onlylogger | c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424

General

Target

c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
Size

416KB
MD5

42100baf34c4b1b0e89f1c2ef94cf8f8
SHA1

b3fff2af153383c85807db00522f81508b90c17c
SHA256

c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424
SHA512

d20c2ce366072782a49a87d3244584fe94059383e52cd3c6c964b37dac911828ae332f84110ac3f88d42c287243eb4eff0dafc34b6079a291cbf211a5b2eae34
SSDEEP

6144:+KSp7sxXMESXp+aTd+X7IJmSGPiu7ITsq9wVfG:+ZpvhoaTd+SmSGKu7Y

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/1556-133-0x00000000021E0000-0x0000000002231000-memory.dmp	family_onlylogger
behavioral2/memory/1556-134-0x0000000000400000-0x000000000046F000-memory.dmp	family_onlylogger
behavioral2/memory/1556-137-0x0000000000400000-0x000000000046F000-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:

c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.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 7 IoCs

Processes:

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

pid	pid_target	process	target process
2912	1556	WerFault.exe	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
2812	1556	WerFault.exe	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
3600	1556	WerFault.exe	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
5072	1556	WerFault.exe	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
3552	1556	WerFault.exe	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
4908	1556	WerFault.exe	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
4812	1556	WerFault.exe	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1260 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1260 taskkill.exe

pid	process
1260	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1260	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.execmd.exe

description	pid	process	target process
PID 1556 wrote to memory of 5020	1556	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe	cmd.exe
PID 1556 wrote to memory of 5020	1556	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe	cmd.exe
PID 1556 wrote to memory of 5020	1556	c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe	cmd.exe
PID 5020 wrote to memory of 1260	5020	cmd.exe	taskkill.exe
PID 5020 wrote to memory of 1260	5020	cmd.exe	taskkill.exe
PID 5020 wrote to memory of 1260	5020	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe
"C:\Users\Admin\AppData\Local\Temp\c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 740
2⤵
- Program crash
PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 748
2⤵
- Program crash
PID:2812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 796
2⤵
- Program crash
PID:3600

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 860
2⤵
- Program crash
PID:5072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 944
2⤵
- Program crash
PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 952
2⤵
- Program crash
PID:4908

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:5020

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "c1129e176c471c9fad5d25605c2628af02449d422be69788e53501abfbbc7424.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 980
2⤵
- Program crash
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1556 -ip 1556
1⤵
PID:3744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1556 -ip 1556
1⤵
PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1556 -ip 1556
1⤵
PID:1928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1556 -ip 1556
1⤵
PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1556 -ip 1556
1⤵
PID:4320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1556 -ip 1556
1⤵
PID:4480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1556 -ip 1556
1⤵
PID:2316

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/1260-136-0x0000000000000000-mapping.dmp

Download
memory/1556-132-0x0000000000700000-0x000000000072E000-memory.dmp

Filesize
184KB

Download
memory/1556-133-0x00000000021E0000-0x0000000002231000-memory.dmp

Filesize
324KB

Download
memory/1556-134-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/1556-137-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/5020-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads