gcleaner | 0e210d01bb1c4e7c5e51ff2ad08123ee62d74d52d1261af015f1aa28164ec40a

General

Target

ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe
Size

276KB
MD5

ec336edd8cf03c2f36b82074517d2a17
SHA1

24ae6454e5eb3ff34b7ca96d693aac60e8a8cb00
SHA256

0e210d01bb1c4e7c5e51ff2ad08123ee62d74d52d1261af015f1aa28164ec40a
SHA512

19bf4a2f4d5c025d732d3890e3c0cf7c87a7336bed3f59c9f8e268cd936d40205f36ee2149b8c36c4f3fcea2cffd8accb746a78620aa5a00432b749a757c82f8
SSDEEP

3072:XSXRj5cUuriVdk/0qFmy+Zw84k3NkFYGrglmMPQd2MoieAHfEw5P/wkEJQKt:XgAKde/fKKFNglxHMoVAt/Fy

Score

10^/10

gcleaner onlylogger vidar loader stealer

Malware Config

Extracted

Family

gcleaner

C2

194.145.227.161

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/3564-2-0x0000000004A20000-0x0000000004A69000-memory.dmp	family_onlylogger
behavioral2/memory/3564-3-0x0000000000400000-0x0000000002CD4000-memory.dmp	family_onlylogger
behavioral2/memory/3564-4-0x0000000000400000-0x0000000002CD4000-memory.dmp	family_onlylogger
behavioral2/memory/3564-5-0x0000000004A20000-0x0000000004A69000-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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
3364	3564	WerFault.exe	84
3732	3564	WerFault.exe	84
3112	3564	WerFault.exe	84
1980	3564	WerFault.exe	84
2016	3564	WerFault.exe	84
4196	3564	WerFault.exe	84
2628	3564	WerFault.exe	84

Kills process with taskkill 1 IoCs

evasion

pid	Process
4060	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4060	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 4536	3564	ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe	103
PID 3564 wrote to memory of 4536	3564	ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe	103
PID 3564 wrote to memory of 4536	3564	ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe	103
PID 4536 wrote to memory of 4060	4536	cmd.exe	107
PID 4536 wrote to memory of 4060	4536	cmd.exe	107
PID 4536 wrote to memory of 4060	4536	cmd.exe	107

C:\Users\Admin\AppData\Local\Temp\ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 724
  2⤵
  - Program crash
  PID:3364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 776
  2⤵
  - Program crash
  PID:3732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 920
  2⤵
  - Program crash
  PID:3112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 784
  2⤵
  - Program crash
  PID:1980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 956
  2⤵
  - Program crash
  PID:2016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 996
  2⤵
  - Program crash
  PID:4196
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ec336edd8cf03c2f36b82074517d2a17_JaffaCakes118.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3564 -s 732
  2⤵
  - Program crash
  PID:2628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3564 -ip 3564
1⤵
PID:4948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3564 -ip 3564
1⤵
PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3564 -ip 3564
1⤵
PID:644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3564 -ip 3564
1⤵
PID:2400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3564 -ip 3564
1⤵
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3564 -ip 3564
1⤵
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3564 -ip 3564
1⤵
PID:3680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Replay Monitor

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Downloads

memory/3564-1-0x0000000002D00000-0x0000000002E00000-memory.dmp

Filesize
1024KB

Download
memory/3564-2-0x0000000004A20000-0x0000000004A69000-memory.dmp

Filesize
292KB

Download
memory/3564-3-0x0000000000400000-0x0000000002CD4000-memory.dmp

Filesize
40.8MB

Download
memory/3564-4-0x0000000000400000-0x0000000002CD4000-memory.dmp

Filesize
40.8MB

Download
memory/3564-5-0x0000000004A20000-0x0000000004A69000-memory.dmp

Filesize
292KB

Download

Analysis

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