djvu | 96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882

Analysis

max time kernel
123s
max time network
123s
platform
windows10_x64
resource
win10-en-20211014
submitted
24-10-2021 03:30

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General

Target

96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
Size

855KB
MD5

83a4d9dcd5872e7e40571e4f2a54cfab
SHA1

b4b7882c06ada85aebae0f41dfd5c7406ad237e5
SHA256

96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882
SHA512

cfb6a1becefac3f23223715e546550ec4a0593a6b725677210bc7fa0d3abc4b010451567771ac9d2dfa39622749d9a07482ce171211fcfb63207c7b41282990b

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

https://mas.to/@xeroxxx

Attributes

profile_id
517

Extracted

Family

djvu

http://rlrz.org/fhsgtsspen6

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2704-116-0x0000000000D00000-0x0000000000E1B000-memory.dmp	family_djvu
behavioral1/memory/2636-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2636-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/2636-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/532-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/532-126-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata

Vidar Stealer 7 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/576-135-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/576-136-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/1616-141-0x0000000004BD0000-0x0000000004CA6000-memory.dmp	family_vidar
behavioral1/memory/576-142-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/360-148-0x0000000003340000-0x000000000348A000-memory.dmp	family_vidar
behavioral1/memory/3208-168-0x0000000003250000-0x00000000032FE000-memory.dmp	family_vidar
behavioral1/memory/1900-174-0x0000000003250000-0x000000000339A000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

build2.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

1616 build2.exe
576 build2.exe
360 build3.exe
836 build3.exe
3208 mstsca.exe
3096 mstsca.exe
1900 mstsca.exe
2176 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

576 build2.exe
576 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

1312 icacls.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
1616	build2.exe
576	build2.exe
360	build3.exe
836	build3.exe
3208	mstsca.exe
3096	mstsca.exe
1900	mstsca.exe
2176	mstsca.exe

pid	process
576	build2.exe
576	build2.exe

pid	process
1312	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5ebb2839-449e-4d12-ac88-39db30aebfdb\\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe\" --AutoStart"	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

11 api.2ip.ua
12 api.2ip.ua
19 api.2ip.ua

flow	ioc
11	api.2ip.ua
12	api.2ip.ua
19	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2704 set thread context of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 set thread context of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1616 set thread context of 576	1616	build2.exe	build2.exe
PID 360 set thread context of 836	360	build3.exe	build3.exe
PID 3208 set thread context of 3096	3208	mstsca.exe	mstsca.exe
PID 1900 set thread context of 2176	1900	mstsca.exe	mstsca.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

344 schtasks.exe
3456 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1712 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2200 taskkill.exe

pid	process
344	schtasks.exe
3456	schtasks.exe

pid	process
1712	timeout.exe

pid	process
2200	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exebuild2.exe

pid	process
2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe
576	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2200 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2200	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2704 wrote to memory of 2636	2704	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2636 wrote to memory of 1312	2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	icacls.exe
PID 2636 wrote to memory of 1312	2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	icacls.exe
PID 2636 wrote to memory of 1312	2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	icacls.exe
PID 2636 wrote to memory of 1052	2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2636 wrote to memory of 1052	2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 2636 wrote to memory of 1052	2636	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 1052 wrote to memory of 532	1052	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
PID 532 wrote to memory of 1616	532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	build2.exe
PID 532 wrote to memory of 1616	532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	build2.exe
PID 532 wrote to memory of 1616	532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 1616 wrote to memory of 576	1616	build2.exe	build2.exe
PID 532 wrote to memory of 360	532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	build3.exe
PID 532 wrote to memory of 360	532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	build3.exe
PID 532 wrote to memory of 360	532	96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 360 wrote to memory of 836	360	build3.exe	build3.exe
PID 836 wrote to memory of 344	836	build3.exe	schtasks.exe
PID 836 wrote to memory of 344	836	build3.exe	schtasks.exe
PID 836 wrote to memory of 344	836	build3.exe	schtasks.exe
PID 576 wrote to memory of 1516	576	build2.exe	cmd.exe
PID 576 wrote to memory of 1516	576	build2.exe	cmd.exe
PID 576 wrote to memory of 1516	576	build2.exe	cmd.exe
PID 1516 wrote to memory of 2200	1516	cmd.exe	taskkill.exe
PID 1516 wrote to memory of 2200	1516	cmd.exe	taskkill.exe
PID 1516 wrote to memory of 2200	1516	cmd.exe	taskkill.exe
PID 1516 wrote to memory of 1712	1516	cmd.exe	timeout.exe
PID 1516 wrote to memory of 1712	1516	cmd.exe	timeout.exe
PID 1516 wrote to memory of 1712	1516	cmd.exe	timeout.exe
PID 3208 wrote to memory of 3096	3208	mstsca.exe	mstsca.exe
PID 3208 wrote to memory of 3096	3208	mstsca.exe	mstsca.exe
PID 3208 wrote to memory of 3096	3208	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
"C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2704

C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
"C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2636

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\5ebb2839-449e-4d12-ac88-39db30aebfdb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:1312

C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
"C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1052

C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
"C:\Users\Admin\AppData\Local\Temp\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:532

C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe
"C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1616

C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe
"C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:576

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2200

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:1712

C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build3.exe
"C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:360

C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build3.exe
"C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:836

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
7⤵
- Creates scheduled task(s)
PID:344

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3208

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:3096

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
3⤵
- Creates scheduled task(s)
PID:3456

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:1900

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:2176

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\freebl3.dll
MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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C:\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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C:\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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C:\ProgramData\softokn3.dll
MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

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C:\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
eb580dc014e8a0ba57b05717d9b2c7a1

SHA1
1b9f2cb35263b103d05af84a8b41f74186afed72

SHA256
59c9f91919d8cf9c0c8dd5089eb737460ee002f17bdc2cf90c4872263c426fd9

SHA512
ad031d69240c9e33faad5a7f07e5b524c06fb54f2360095f23a7accf28b17958fb52e40fb01f45498f8c19d00289f1f579b6cb995ec1ad6c468fd27aa33f16df

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
3168035090977b01e2b15a045297d6cd

SHA1
baec8a47d00d0904648b385aca5778d947456dc7

SHA256
e57b9ecf72046536715f2b8dfad9f0e5560d325149f0ac80598d2d7a5703744a

SHA512
377ac77af3dd55e07683a0ed76df64b517ead18a2ce278f5ca2db41fd5559e44a533ffb325e14ac34186ee03efc483c8841207da042cae3e9ea9ec3eacc63942

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
7f8f5e7783448b74dbfbdce41b7c7c81

SHA1
3cf0b41682f5b632213fe548337ffa20c13c0952

SHA256
970b6d1b12d5c25b5ba0d09aa7d7c85d371ab486415d4e1648ccf5419104595b

SHA512
a093b5c3fcbd6cfcc975e8b996ff270c789e787cd48eeea57c32b4ea7fd19d3089179927b10f4e8dd96de624ef7a75861ddbc62dc7e8961f0e98263437a66061

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
37b7674b4a230e0476b6d09117fa2907

SHA1
b3c9a48d32a62078bd380ec419c288fc5c7e5c8f

SHA256
0d2430fb0b8a98984575e1bbb5b00d92f4b4af2f10ef204bbfb77e9d7a1bb159

SHA512
460c7878ebe284e5da8a472e2a4b3d1d1400cd413b6b6b01adf32e9db44a33abab2fa9ab61154fd71bbcb02eefe5c8069217e5900fb224bac9f11cfd60016399

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C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\5849a5d5-58ed-48d1-bd43-07b82b447575\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\5ebb2839-449e-4d12-ac88-39db30aebfdb\96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882.exe
MD5
83a4d9dcd5872e7e40571e4f2a54cfab

SHA1
b4b7882c06ada85aebae0f41dfd5c7406ad237e5

SHA256
96028175155184bd953d69fcf1733d89673dcf1104177ee5fa32c49f1dec8882

SHA512
cfb6a1becefac3f23223715e546550ec4a0593a6b725677210bc7fa0d3abc4b010451567771ac9d2dfa39622749d9a07482ce171211fcfb63207c7b41282990b

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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memory/344-147-0x0000000000000000-mapping.dmp

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memory/360-138-0x0000000000000000-mapping.dmp

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memory/360-148-0x0000000003340000-0x000000000348A000-memory.dmp

Filesize
1.3MB

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memory/532-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/532-125-0x0000000000424141-mapping.dmp

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memory/576-135-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/576-142-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/576-136-0x00000000004A18CD-mapping.dmp

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memory/836-145-0x0000000000401AFA-mapping.dmp

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memory/836-144-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/836-149-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1052-122-0x0000000000000000-mapping.dmp

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memory/1312-120-0x0000000000000000-mapping.dmp

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memory/1516-152-0x0000000000000000-mapping.dmp

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memory/1616-141-0x0000000004BD0000-0x0000000004CA6000-memory.dmp

Filesize
856KB

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memory/1616-134-0x00000000031F9000-0x0000000003275000-memory.dmp

Filesize
496KB

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memory/1616-131-0x0000000000000000-mapping.dmp

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memory/1712-154-0x0000000000000000-mapping.dmp

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memory/1900-174-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/1900-170-0x000000000350E000-0x000000000351E000-memory.dmp

Filesize
64KB

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memory/2176-172-0x0000000000401AFA-mapping.dmp

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memory/2200-153-0x0000000000000000-mapping.dmp

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memory/2636-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2636-118-0x0000000000424141-mapping.dmp

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memory/2636-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2704-115-0x0000000000BEE000-0x0000000000C80000-memory.dmp

Filesize
584KB

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memory/2704-116-0x0000000000D00000-0x0000000000E1B000-memory.dmp

Filesize
1.1MB

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memory/3096-165-0x0000000000401AFA-mapping.dmp

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memory/3208-168-0x0000000003250000-0x00000000032FE000-memory.dmp

Filesize
696KB

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memory/3456-167-0x0000000000000000-mapping.dmp

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