djvu | ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053

Analysis

max time kernel
81s
max time network
124s
platform
windows10_x64
resource
win10-en-20210920
submitted
20-10-2021 00:20

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General

Target

ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
Size

826KB
MD5

ca802a3962404b53ea83d9c5bf837726
SHA1

5f580edcf8f5e6f1ef58cb36d41b4155141bce82
SHA256

ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053
SHA512

ef41bc50b5278cc2185391aeebbb34bcb67968d7615bafaa6804d3ed60c6e095649615566f6087908b5dc00d788c490504f4ab9483ac72eb23f84ee287538776

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/3980-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3980-117-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3556-118-0x0000000004C30000-0x0000000004D4B000-memory.dmp	family_djvu
behavioral1/memory/3980-121-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4500-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/4500-126-0x0000000000400000-0x0000000000537000-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 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2780-138-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/2780-139-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/2780-143-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/4520-142-0x00000000030F0000-0x00000000031C6000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 4 IoCs

Processes:

build2.exebuild3.exebuild2.exebuild3.exe

pid process

4520 build2.exe
1420 build3.exe
2780 build2.exe
512 build3.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

2780 build2.exe
2780 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

3924 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
4520	build2.exe
1420	build3.exe
2780	build2.exe
512	build3.exe

pid	process
2780	build2.exe
2780	build2.exe

pid	process
3924	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\7068c578-b433-4154-8832-6a8098408c0e\\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe\" --AutoStart"	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.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

12 api.2ip.ua
13 api.2ip.ua
18 api.2ip.ua

flow	ioc
12	api.2ip.ua
13	api.2ip.ua
18	api.2ip.ua

Suspicious use of SetThreadContext 4 IoCs

Processes:

ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exeae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exebuild2.exebuild3.exe

description	pid	process	target process
PID 3556 set thread context of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 set thread context of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4520 set thread context of 2780	4520	build2.exe	build2.exe
PID 1420 set thread context of 512	1420	build3.exe	build3.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

656 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3416 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2720 taskkill.exe

pid	process
656	schtasks.exe

pid	process
3416	timeout.exe

pid	process
2720	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exeae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exebuild2.exe

pid	process
3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
2780	build2.exe
2780	build2.exe
2780	build2.exe
2780	build2.exe
2780	build2.exe
2780	build2.exe
2780	build2.exe
2780	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2720 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2720	taskkill.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exeae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exeae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exeae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exe

description	pid	process	target process
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3556 wrote to memory of 3980	3556	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3980 wrote to memory of 3924	3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	icacls.exe
PID 3980 wrote to memory of 3924	3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	icacls.exe
PID 3980 wrote to memory of 3924	3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	icacls.exe
PID 3980 wrote to memory of 4244	3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3980 wrote to memory of 4244	3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 3980 wrote to memory of 4244	3980	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4244 wrote to memory of 4500	4244	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
PID 4500 wrote to memory of 4520	4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	build2.exe
PID 4500 wrote to memory of 4520	4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	build2.exe
PID 4500 wrote to memory of 4520	4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	build2.exe
PID 4500 wrote to memory of 1420	4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	build3.exe
PID 4500 wrote to memory of 1420	4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	build3.exe
PID 4500 wrote to memory of 1420	4500	ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe	build3.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 4520 wrote to memory of 2780	4520	build2.exe	build2.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 1420 wrote to memory of 512	1420	build3.exe	build3.exe
PID 512 wrote to memory of 656	512	build3.exe	schtasks.exe
PID 512 wrote to memory of 656	512	build3.exe	schtasks.exe
PID 512 wrote to memory of 656	512	build3.exe	schtasks.exe
PID 2780 wrote to memory of 2664	2780	build2.exe	cmd.exe
PID 2780 wrote to memory of 2664	2780	build2.exe	cmd.exe
PID 2780 wrote to memory of 2664	2780	build2.exe	cmd.exe
PID 2664 wrote to memory of 2720	2664	cmd.exe	taskkill.exe
PID 2664 wrote to memory of 2720	2664	cmd.exe	taskkill.exe
PID 2664 wrote to memory of 2720	2664	cmd.exe	taskkill.exe
PID 2664 wrote to memory of 3416	2664	cmd.exe	timeout.exe
PID 2664 wrote to memory of 3416	2664	cmd.exe	timeout.exe
PID 2664 wrote to memory of 3416	2664	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
"C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3556

C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
"C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3980

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\7068c578-b433-4154-8832-6a8098408c0e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:3924

C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
"C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4244

C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
"C:\Users\Admin\AppData\Local\Temp\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4500

C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe
"C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4520

C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe
"C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2780

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\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:2664

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2720

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:3416

C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build3.exe
"C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1420

C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build3.exe
"C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:512

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:656

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
3183751859498c44f6d0ee8e2aab2c17

SHA1
3948927d001256209b5e4b25003c3c4ccb9ad6bc

SHA256
fd7b40ffbaccd347c4daa2d0530a3b74114fcb55c78423d67750a8be92c70a28

SHA512
88de4b4c2818650f7080a9afdcbe8764f1604bbf77f08f2ce286beb5a00e6cb30352f6180f64e7b5d9790a1e5ebefde6e62d8221e55228942d5652a1e0cd4fa6

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
98a2414b3a6062f69b5e91e8ef853e60

SHA1
a7c76d8cc77cc535d73bc6b0ee4f64527572145d

SHA256
cea0b3398c3a6ac31f4582a21afb131878dfd3e489d101af94fd3d682000dba3

SHA512
d186ac4f87a04cc56d2a120d1aa7d96f1574ac7353a7d8b237452260f11a3ebfadb556eb46ee894c75ae1bdc6dae480599c6109eb25873074546847d158dddda

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
7862009419f455cb6ac917503ab2a231

SHA1
88e4087fbcadbe50f91df762066750b1e7b7b5df

SHA256
ab8104740a4d31aad3ff7fcfde48a7660a25cb961c9f246d213fbcc7f2af60ec

SHA512
aba357d80cf094176a4954e90a5e75a427fe06dca1cc3815abd1c8732bc3354ad9f2d2854c897bd93cee8a34b88385a205502970963567fc8ad752ebce302d22

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
9a4406fb0ef27c78ce1ec91727266537

SHA1
5aece4b16fef486c9c9aa5a207781ecd091dcb27

SHA256
b0b8bb41d16a0061445a914220446ab0db046018fdbf3eb4ce0a4ee9c57342c1

SHA512
f874f3d0b866d5367a9052a2b9310e2d9abe59775bbb4b6bfbe106b006b21575714b841ec264325a6e16252dc8d87abb4ca1fdc32624ef3e8171363e6b3d3840

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C:\Users\Admin\AppData\Local\7068c578-b433-4154-8832-6a8098408c0e\ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053.exe
MD5
ca802a3962404b53ea83d9c5bf837726

SHA1
5f580edcf8f5e6f1ef58cb36d41b4155141bce82

SHA256
ae32c946908ef4757fbe5435f9b8dc2f07c490c94846d4019f821b7908fe7053

SHA512
ef41bc50b5278cc2185391aeebbb34bcb67968d7615bafaa6804d3ed60c6e095649615566f6087908b5dc00d788c490504f4ab9483ac72eb23f84ee287538776

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C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\a72dee72-5a67-4371-ab85-423691fd4751\build3.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/512-149-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/512-145-0x0000000000401AFA-mapping.dmp

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memory/512-144-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/656-147-0x0000000000000000-mapping.dmp

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memory/1420-148-0x0000000003430000-0x0000000003434000-memory.dmp

Filesize
16KB

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memory/1420-141-0x00000000035D9000-0x00000000035E9000-memory.dmp

Filesize
64KB

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memory/1420-135-0x0000000000000000-mapping.dmp

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memory/2664-152-0x0000000000000000-mapping.dmp

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memory/2720-153-0x0000000000000000-mapping.dmp

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memory/2780-139-0x00000000004A18CD-mapping.dmp

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memory/2780-143-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/2780-138-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/3416-154-0x0000000000000000-mapping.dmp

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memory/3556-118-0x0000000004C30000-0x0000000004D4B000-memory.dmp

Filesize
1.1MB

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memory/3556-115-0x0000000002FD8000-0x0000000003069000-memory.dmp

Filesize
580KB

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memory/3924-119-0x0000000000000000-mapping.dmp

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memory/3980-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3980-121-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3980-117-0x0000000000424141-mapping.dmp

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memory/4244-122-0x0000000000000000-mapping.dmp

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memory/4244-123-0x0000000004AE7000-0x0000000004B78000-memory.dmp

Filesize
580KB

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memory/4500-125-0x0000000000424141-mapping.dmp

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memory/4500-126-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4520-131-0x0000000000000000-mapping.dmp

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memory/4520-134-0x00000000031F9000-0x0000000003275000-memory.dmp

Filesize
496KB

Download
memory/4520-142-0x00000000030F0000-0x00000000031C6000-memory.dmp

Filesize
856KB

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