onlylogger | 89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2

General

Target
89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe
Size 312KB
Sample220511-c569lsdhc6
SHA256 89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2
MD5 1ac7d60c72e8b77f9365c8e119eb675b
SHA1 c8aba969c02188b754d752b0c6624d81b7ea2549
SHA512 43a037dd388c56e48e8e9f08bbd78ec974f27e02089c2f488c96ed7aa74b48dc9a91eff53c902ec6597243ead7cdfb5b2f6ac5a704ccc410fed37ddb53607aad
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/1928-131-0x0000000006B30000-0x0000000006B76000-memory.dmp	family_onlylogger
behavioral2/memory/1928-132-0x0000000000400000-0x0000000004DCB000-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-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.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
5048	1928	WerFault.exe	82
4596	1928	WerFault.exe	82
4640	1928	WerFault.exe	82
936	1928	WerFault.exe	82
740	1928	WerFault.exe	82
4452	1928	WerFault.exe	82
1892	1928	WerFault.exe	82
4648	1928	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
5032	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 4056	1928	89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe	104
PID 1928 wrote to memory of 4056	1928	89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe	104
PID 1928 wrote to memory of 4056	1928	89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe	104
PID 4056 wrote to memory of 5032	4056	cmd.exe	108
PID 4056 wrote to memory of 5032	4056	cmd.exe	108
PID 4056 wrote to memory of 5032	4056	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe
"C:\Users\Admin\AppData\Local\Temp\89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 612
  2⤵
  - Program crash
  PID:5048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 632
  2⤵
  - Program crash
  PID:4596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 724
  2⤵
  - Program crash
  PID:4640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 784
  2⤵
  - Program crash
  PID:936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 744
  2⤵
  - Program crash
  PID:740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 1112
  2⤵
  - Program crash
  PID:4452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 1240
  2⤵
  - Program crash
  PID:1892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4056
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "89b9116e5a46daeb299bd90628afd8fc484581e53c31f71e3fac81b009a238c2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:5032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1928 -s 1408
  2⤵
  - Program crash
  PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1928 -ip 1928
1⤵
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1928 -ip 1928
1⤵
PID:3088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1928 -ip 1928
1⤵
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1928 -ip 1928
1⤵
PID:3964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1928 -ip 1928
1⤵
PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1928 -ip 1928
1⤵
PID:764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1928 -ip 1928
1⤵
PID:1856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1928 -ip 1928
1⤵
PID:4288

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/1928-130-0x0000000004F68000-0x0000000004F90000-memory.dmp

Download

memory/1928-131-0x0000000006B30000-0x0000000006B76000-memory.dmp

Download

memory/1928-132-0x0000000000400000-0x0000000004DCB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads