onlylogger | 38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d

General

Target

38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe
Size

389KB
MD5

f5abc35fad96869497e633cae6700671
SHA1

cef6b41ce37acd5b7f461a05943ab4ace115c37f
SHA256

38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d
SHA512

6ff68fdeea28d749c46456b02ae234c838c68e58d42288a7fedba9cf6eb428230ee2fa0ddaf280576a6ad7cfcb69dc27c33d2f6b6cce746b9780472aca2d7dc6

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/5072-131-0x0000000003020000-0x0000000003069000-memory.dmp	family_onlylogger
behavioral2/memory/5072-134-0x0000000000400000-0x0000000002F29000-memory.dmp	family_onlylogger
behavioral2/memory/5072-136-0x0000000000400000-0x0000000002F29000-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:

38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.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 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

544 5072 WerFault.exe 38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2436 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2436 taskkill.exe

pid	pid_target	process	target process
544	5072	WerFault.exe	38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe

pid	process
2436	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2436	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.execmd.exe

description	pid	process	target process
PID 5072 wrote to memory of 3152	5072	38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe	cmd.exe
PID 5072 wrote to memory of 3152	5072	38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe	cmd.exe
PID 5072 wrote to memory of 3152	5072	38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe	cmd.exe
PID 3152 wrote to memory of 2436	3152	cmd.exe	taskkill.exe
PID 3152 wrote to memory of 2436	3152	cmd.exe	taskkill.exe
PID 3152 wrote to memory of 2436	3152	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe
"C:\Users\Admin\AppData\Local\Temp\38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5072

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3152

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "38d4d109d3ce2682a180db69c7fcfd430d17185efd3125d4c8d771effcf1a27d.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 1128
2⤵
- Program crash
PID:544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 5072 -ip 5072
1⤵
PID:804

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/2436-133-0x0000000000000000-mapping.dmp

Download
memory/3152-132-0x0000000000000000-mapping.dmp

Download
memory/5072-130-0x000000000308D000-0x00000000030B6000-memory.dmp

Filesize
164KB

Download
memory/5072-131-0x0000000003020000-0x0000000003069000-memory.dmp

Filesize
292KB

Download
memory/5072-134-0x0000000000400000-0x0000000002F29000-memory.dmp

Filesize
43.2MB

Download
memory/5072-135-0x000000000308D000-0x00000000030B6000-memory.dmp

Filesize
164KB

Download
memory/5072-136-0x0000000000400000-0x0000000002F29000-memory.dmp

Filesize
43.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads