djvu | 287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2

Analysis

max time kernel
128s
max time network
127s
platform
windows10_x64
resource
win10-en-20210920
submitted
14-10-2021 06:51

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General

Target

287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
Size

762KB
MD5

faf2bf2f20df6a5eb4659272d24b5791
SHA1

50aec0b376835c580b39f43e3c32f5393a65a2f4
SHA256

287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2
SHA512

d2c5e62d78a2a17e6c7498a5d81656584aa0176c6893bbee08be9ee7fdf6c8c2aa2b7176ebd3203663add70f55ea40abee01de7117dd198742d350402f1c5f15

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

41.3

Botnet

517

https://mas.to/@oleg98

Attributes

profile_id
517

Extracted

Family

djvu

http://rlrz.org/fhsgtsspen6

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3704-116-0x00000000006F0000-0x000000000080B000-memory.dmp	family_djvu
behavioral1/memory/4076-118-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/4076-117-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4076-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3836-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3836-130-0x0000000000400000-0x0000000000537000-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/864-135-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/864-136-0x00000000004A192D-mapping.dmp	family_vidar
behavioral1/memory/516-138-0x00000000033B0000-0x0000000003486000-memory.dmp	family_vidar
behavioral1/memory/864-139-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 6 IoCs

Processes:

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

pid process

516 build2.exe
864 build2.exe
1160 build3.exe
1504 build3.exe
5028 mstsca.exe
1272 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

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

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

4480 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
516	build2.exe
864	build2.exe
1160	build3.exe
1504	build3.exe
5028	mstsca.exe
1272	mstsca.exe

pid	process
864	build2.exe
864	build2.exe

pid	process
4480	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.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\\affeb405-a7c9-400c-a1af-49df3ec73b02\\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe\" --AutoStart"	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.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

26 api.2ip.ua
16 api.2ip.ua
17 api.2ip.ua

flow	ioc
26	api.2ip.ua
16	api.2ip.ua
17	api.2ip.ua

Suspicious use of SetThreadContext 5 IoCs

Processes:

287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exebuild2.exebuild3.exemstsca.exe

description	pid	process	target process
PID 3704 set thread context of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 set thread context of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 516 set thread context of 864	516	build2.exe	build2.exe
PID 1160 set thread context of 1504	1160	build3.exe	build3.exe
PID 5028 set thread context of 1272	5028	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

1596 schtasks.exe
2324 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4228 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3992 taskkill.exe

pid	process
1596	schtasks.exe
2324	schtasks.exe

pid	process
4228	timeout.exe

pid	process
3992	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exebuild2.exe

pid	process
4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
864	build2.exe
864	build2.exe
864	build2.exe
864	build2.exe
864	build2.exe
864	build2.exe
864	build2.exe
864	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3992 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3992	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3704 wrote to memory of 4076	3704	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4076 wrote to memory of 4480	4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	icacls.exe
PID 4076 wrote to memory of 4480	4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	icacls.exe
PID 4076 wrote to memory of 4480	4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	icacls.exe
PID 4076 wrote to memory of 4592	4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4076 wrote to memory of 4592	4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4076 wrote to memory of 4592	4076	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 4592 wrote to memory of 3836	4592	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
PID 3836 wrote to memory of 516	3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	build2.exe
PID 3836 wrote to memory of 516	3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	build2.exe
PID 3836 wrote to memory of 516	3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 516 wrote to memory of 864	516	build2.exe	build2.exe
PID 3836 wrote to memory of 1160	3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	build3.exe
PID 3836 wrote to memory of 1160	3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	build3.exe
PID 3836 wrote to memory of 1160	3836	287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1160 wrote to memory of 1504	1160	build3.exe	build3.exe
PID 1504 wrote to memory of 1596	1504	build3.exe	schtasks.exe
PID 1504 wrote to memory of 1596	1504	build3.exe	schtasks.exe
PID 1504 wrote to memory of 1596	1504	build3.exe	schtasks.exe
PID 864 wrote to memory of 3096	864	build2.exe	cmd.exe
PID 864 wrote to memory of 3096	864	build2.exe	cmd.exe
PID 864 wrote to memory of 3096	864	build2.exe	cmd.exe
PID 3096 wrote to memory of 3992	3096	cmd.exe	taskkill.exe
PID 3096 wrote to memory of 3992	3096	cmd.exe	taskkill.exe
PID 3096 wrote to memory of 3992	3096	cmd.exe	taskkill.exe
PID 3096 wrote to memory of 4228	3096	cmd.exe	timeout.exe
PID 3096 wrote to memory of 4228	3096	cmd.exe	timeout.exe
PID 3096 wrote to memory of 4228	3096	cmd.exe	timeout.exe
PID 5028 wrote to memory of 1272	5028	mstsca.exe	mstsca.exe
PID 5028 wrote to memory of 1272	5028	mstsca.exe	mstsca.exe
PID 5028 wrote to memory of 1272	5028	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
"C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3704

C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
"C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4076

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\affeb405-a7c9-400c-a1af-49df3ec73b02" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4480

C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
"C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4592

C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
"C:\Users\Admin\AppData\Local\Temp\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3836

C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe
"C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:516

C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe
"C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:864

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\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:3096

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3992

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:4228

C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build3.exe
"C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1160

C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build3.exe
"C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1504

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:1596

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:5028

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:1272

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:2324

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
62dfa95908bb144287ca1cfc58c0138c

SHA1
0a6fb48c00c2c972500151f4486bd55733106b95

SHA256
81627223119eee8ba0f9649466c6a3eabfe09406938c2685cfb31f1854ea84ee

SHA512
8dc5e05666d26e1bf5f6bc2a3d1aad32c776523e116b3b279bf827ca1a470cf2c0fab7713db6b0f587dc80bd8d22e491d34fadfdb4321ac5f5dc2bfc257eaa52

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
912828481bfc5db19a9d631805fe0df8

SHA1
9de9d2fc5629a2112783b736135eecab2778be3e

SHA256
db5cb79b9a459f369f24f7463d71c70f8d3cc2e76f6ed3848eeaffbb5077056a

SHA512
773dde3b5add33bd5ce7cd088e45d3e227c428e28f4f8bf6a599a48869e4114d56063ff9f0eb56eb5d64db630f2b6329e69862f6ad60f39e25c9f3d96e60e76c

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
cd1e38acfdbac73d8f18b4c123b89397

SHA1
1c1c47b44601a9b397f10c887c6ab4ef634f2315

SHA256
6d52a41e6c01ba542e04f4f7143757d823f9ff8360a4cb8fe4272be0879a1243

SHA512
171c9d7a69ed049750299122b97951fa3472def49c911527775683d9c77715dd429ee7967c9c4d0bac7367c7bcae333ef779b99595c3dd8f4823054c8a1a9d85

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
82fb618390443f6a4af0b58388a9af01

SHA1
9e56c28c8557429aef062940fd5d41e2598d8864

SHA256
ad2b91adb835d897a8d8ce01dc3f761fa90966fad1a05a00bb808ff3d3ce7090

SHA512
1efd16e9d467be3a5a34eecb239cf85a4dc3250a8c49a1dd87a64b28df99af42a0446cd27f3351752294ddd62203473ddbb01aba24f2ca18697dc8685921ab15

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C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe
MD5
673a786d98cb5709caaf1797142e0e6e

SHA1
4e2abf2aa7c9418a34815dc02c272a859eea23a6

SHA256
b115531ef23c109fb58c392379b7f55eff11169e1317b263da60edd9ac98f6b1

SHA512
83fcccd08944e8c578482a945d38f756ef7cb959d6796c3830fb3e582205c5924b7bb1fb495aaffeacb2f7ac838730e5e7c01e6dcce54ea624be98635b3e3044

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C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe
MD5
673a786d98cb5709caaf1797142e0e6e

SHA1
4e2abf2aa7c9418a34815dc02c272a859eea23a6

SHA256
b115531ef23c109fb58c392379b7f55eff11169e1317b263da60edd9ac98f6b1

SHA512
83fcccd08944e8c578482a945d38f756ef7cb959d6796c3830fb3e582205c5924b7bb1fb495aaffeacb2f7ac838730e5e7c01e6dcce54ea624be98635b3e3044

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C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build2.exe
MD5
673a786d98cb5709caaf1797142e0e6e

SHA1
4e2abf2aa7c9418a34815dc02c272a859eea23a6

SHA256
b115531ef23c109fb58c392379b7f55eff11169e1317b263da60edd9ac98f6b1

SHA512
83fcccd08944e8c578482a945d38f756ef7cb959d6796c3830fb3e582205c5924b7bb1fb495aaffeacb2f7ac838730e5e7c01e6dcce54ea624be98635b3e3044

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C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

Download Submit
C:\Users\Admin\AppData\Local\41a13d81-dd1b-48bf-bb4c-a8a0faaf9b74\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\affeb405-a7c9-400c-a1af-49df3ec73b02\287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2.exe
MD5
faf2bf2f20df6a5eb4659272d24b5791

SHA1
50aec0b376835c580b39f43e3c32f5393a65a2f4

SHA256
287b93a12f32b38603175e0149cedc0b9f96584b6c49e362adc887d29b5c10b2

SHA512
d2c5e62d78a2a17e6c7498a5d81656584aa0176c6893bbee08be9ee7fdf6c8c2aa2b7176ebd3203663add70f55ea40abee01de7117dd198742d350402f1c5f15

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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

Download Submit
\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/516-131-0x0000000000000000-mapping.dmp

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memory/516-134-0x0000000001776000-0x00000000017F2000-memory.dmp

Filesize
496KB

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memory/516-138-0x00000000033B0000-0x0000000003486000-memory.dmp

Filesize
856KB

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memory/864-139-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/864-136-0x00000000004A192D-mapping.dmp

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memory/864-135-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/1160-140-0x0000000000000000-mapping.dmp

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memory/1160-143-0x0000000003609000-0x0000000003619000-memory.dmp

Filesize
64KB

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memory/1160-148-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/1272-165-0x0000000000401AFA-mapping.dmp

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memory/1504-145-0x0000000000401AFA-mapping.dmp

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memory/1504-144-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1504-149-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1596-147-0x0000000000000000-mapping.dmp

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memory/2324-167-0x0000000000000000-mapping.dmp

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memory/3096-152-0x0000000000000000-mapping.dmp

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memory/3704-116-0x00000000006F0000-0x000000000080B000-memory.dmp

Filesize
1.1MB

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memory/3704-115-0x000000000060C000-0x000000000069E000-memory.dmp

Filesize
584KB

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memory/3836-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/3836-125-0x0000000000424141-mapping.dmp

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memory/3992-153-0x0000000000000000-mapping.dmp

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memory/4076-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4076-117-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4076-118-0x0000000000424141-mapping.dmp

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memory/4228-154-0x0000000000000000-mapping.dmp

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memory/4480-120-0x0000000000000000-mapping.dmp

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memory/4592-122-0x0000000000000000-mapping.dmp

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memory/4592-123-0x0000000000605000-0x0000000000697000-memory.dmp

Filesize
584KB

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memory/5028-168-0x0000000003250000-0x00000000032FE000-memory.dmp

Filesize
696KB

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