onlylogger | 8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762

General

Target

8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
Size

252KB
MD5

8e6e835dede4156784b26cb01339f050
SHA1

d0f3846526cf7ed69b67301e419f72ce8ba981fd
SHA256

8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762
SHA512

05a4bda590b1d147aeb2a32b5c0c758700c585502083c003295b4ebe46927455e646b67b3570c11981441c3f90fb89e1441b72b7192755c8b8fa3efb50979516
SSDEEP

6144:pIYAQk0weX2qSCpwv3+Ag/DomARu+Vd9Unv:CY3k2X2qJpC3PoX+VP

Score

10^/10

onlylogger loader

Malware Config

Signatures

OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4372-133-0x0000000000530000-0x000000000057C000-memory.dmp	family_onlylogger
behavioral2/memory/4372-134-0x0000000000400000-0x00000000004EA000-memory.dmp	family_onlylogger
behavioral2/memory/4372-138-0x0000000000400000-0x00000000004EA000-memory.dmp	family_onlylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe

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

System Information Discovery
T1082

Program crash 8 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
668	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
3976	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
1364	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
4912	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
4264	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
204	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
3252	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
2148	4372	WerFault.exe	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1792 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1792 taskkill.exe

pid	process
1792	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1792	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.execmd.exe

description	pid	process	target process
PID 4372 wrote to memory of 3256	4372	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe	cmd.exe
PID 4372 wrote to memory of 3256	4372	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe	cmd.exe
PID 4372 wrote to memory of 3256	4372	8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe	cmd.exe
PID 3256 wrote to memory of 1792	3256	cmd.exe	taskkill.exe
PID 3256 wrote to memory of 1792	3256	cmd.exe	taskkill.exe
PID 3256 wrote to memory of 1792	3256	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe
"C:\Users\Admin\AppData\Local\Temp\8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 620
2⤵
- Program crash
PID:668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 328
2⤵
- Program crash
PID:3976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 740
2⤵
- Program crash
PID:1364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 740
2⤵
- Program crash
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 1088
2⤵
- Program crash
PID:4264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 1244
2⤵
- Program crash
PID:204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 1144
2⤵
- Program crash
PID:3252

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3256

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "8ad6deb9fd771066e35d6a4806f5164a9c4df53418966715778c1d7ffc063762.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 1112
2⤵
- Program crash
PID:2148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4372 -ip 4372
1⤵
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4372 -ip 4372
1⤵
PID:580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4372 -ip 4372
1⤵
PID:4980

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4372 -ip 4372
1⤵
PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 4372 -ip 4372
1⤵
PID:1872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4372 -ip 4372
1⤵
PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4372 -ip 4372
1⤵
PID:4792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4372 -ip 4372
1⤵
PID:3792

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1792-136-0x0000000000000000-mapping.dmp

Download
memory/3256-135-0x0000000000000000-mapping.dmp

Download
memory/4372-132-0x0000000000697000-0x00000000006C3000-memory.dmp

Filesize
176KB

Download
memory/4372-133-0x0000000000530000-0x000000000057C000-memory.dmp

Filesize
304KB

Download
memory/4372-134-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download
memory/4372-137-0x0000000000697000-0x00000000006C3000-memory.dmp

Filesize
176KB

Download
memory/4372-138-0x0000000000400000-0x00000000004EA000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads