onlylogger | 94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df

General

Target

94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe
Size

330KB
MD5

b1d2c89e74f0ec2ada4a2e22bc2b3cf3
SHA1

e39914dc8958516442e0c8e2cbe8050162dbca55
SHA256

94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df
SHA512

c2f20835f66ef28c48a11ab7579d928c9dedb639a1b7af40b13bed8b16be9985da573819ddbebe85ac44cc91406d1bbe3e74c6e59b5a85277070d58d2ca27200

Score

10^/10

onlylogger loader upx

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/3212-131-0x0000000004900000-0x0000000004946000-memory.dmp	family_onlylogger
behavioral2/memory/3212-132-0x0000000000400000-0x00000000047D3000-memory.dmp	family_onlylogger
behavioral2/memory/3212-136-0x0000000000400000-0x00000000047D3000-memory.dmp	family_onlylogger

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3212-130-0x0000000000400000-0x00000000047D3000-memory.dmp	upx

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:

94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.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

4688 3212 WerFault.exe 94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2732 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2732 taskkill.exe

pid	pid_target	process	target process
4688	3212	WerFault.exe	94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe

pid	process
2732	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2732	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.execmd.exe

description	pid	process	target process
PID 3212 wrote to memory of 1428	3212	94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe	cmd.exe
PID 3212 wrote to memory of 1428	3212	94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe	cmd.exe
PID 3212 wrote to memory of 1428	3212	94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe	cmd.exe
PID 1428 wrote to memory of 2732	1428	cmd.exe	taskkill.exe
PID 1428 wrote to memory of 2732	1428	cmd.exe	taskkill.exe
PID 1428 wrote to memory of 2732	1428	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe
"C:\Users\Admin\AppData\Local\Temp\94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3212

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1428

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "94dbe686e1458a9eec6d49ec38e1b98b3b4710dfb86d451fd1b28ad3fe3fc5df.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3212 -s 1264
2⤵
- Program crash
PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3212 -ip 3212
1⤵
PID:4324

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/1428-134-0x0000000000000000-mapping.dmp

Download
memory/2732-135-0x0000000000000000-mapping.dmp

Download
memory/3212-130-0x0000000000400000-0x00000000047D3000-memory.dmp

Filesize
67.8MB

Download
memory/3212-131-0x0000000004900000-0x0000000004946000-memory.dmp

Filesize
280KB

Download
memory/3212-132-0x0000000000400000-0x00000000047D3000-memory.dmp

Filesize
67.8MB

Download
memory/3212-133-0x00000000001C0000-0x00000000001E8000-memory.dmp

Filesize
160KB

Download
memory/3212-136-0x0000000000400000-0x00000000047D3000-memory.dmp

Filesize
67.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads