onlylogger | e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b

General

Target
e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe
Size 228KB
Sample220511-c56cbadhc5
SHA256 e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b
MD5 824d13b6e398268665ef821d69bc2725
SHA1 b49ed939e73ff6d031591a6c6f937b3f1d55acdf
SHA512 deb82aeb06d4651f758e5b8de11f7a6722bf6658c83a954d97ecbc87ea6c570b9b0303ac8109b228b39e275b5876a3070a924cb057c3ee9d96ba146aa87297ee
MD5 SHA1 SHA512

Score

10^/10

onlylogger loader

Malware Config

Signatures

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

OnlyLogger Payload 2 IoCs

resource	yara_rule
behavioral2/memory/4860-131-0x0000000002D50000-0x0000000002D96000-memory.dmp	family_onlylogger
behavioral2/memory/4860-132-0x0000000000400000-0x0000000000F96000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.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

pid	pid_target	Process	procid_target
1384	4860	WerFault.exe	79
5084	4860	WerFault.exe	79
2300	4860	WerFault.exe	79
4944	4860	WerFault.exe	79
5088	4860	WerFault.exe	79
4976	4860	WerFault.exe	79
4836	4860	WerFault.exe	79
2972	4860	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
3756	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3756	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 2896	4860	e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe	103
PID 4860 wrote to memory of 2896	4860	e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe	103
PID 4860 wrote to memory of 2896	4860	e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe	103
PID 2896 wrote to memory of 3756	2896	cmd.exe	106
PID 2896 wrote to memory of 3756	2896	cmd.exe	106
PID 2896 wrote to memory of 3756	2896	cmd.exe	106

C:\Users\Admin\AppData\Local\Temp\e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe
"C:\Users\Admin\AppData\Local\Temp\e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 612
  2⤵
  - Program crash
  PID:1384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 620
  2⤵
  - Program crash
  PID:5084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 736
  2⤵
  - Program crash
  PID:2300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 744
  2⤵
  - Program crash
  PID:4944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 872
  2⤵
  - Program crash
  PID:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 1092
  2⤵
  - Program crash
  PID:4976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 1236
  2⤵
  - Program crash
  PID:4836
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "e2eb5aa43cc071dfbfc438623729d0ccc6d4510cba1e729271ac9753e1fefc5b.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4860 -s 1240
  2⤵
  - Program crash
  PID:2972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4860 -ip 4860
1⤵
PID:2908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4860 -ip 4860
1⤵
PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4860 -ip 4860
1⤵
PID:2448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4860 -ip 4860
1⤵
PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4860 -ip 4860
1⤵
PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4860 -ip 4860
1⤵
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 4860 -ip 4860
1⤵
PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4860 -ip 4860
1⤵
PID:1960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4860-130-0x0000000001079000-0x00000000010A1000-memory.dmp

Download

memory/4860-131-0x0000000002D50000-0x0000000002D96000-memory.dmp

Download

memory/4860-132-0x0000000000400000-0x0000000000F96000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads