gcleaner | 9e1a644207c2a07ac139facaabcd917251dd8f4c206fc6410123cb94a1ba0f2f

General

Target

9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe
Size

304KB
MD5

9cfac4002ec8a607d46108caa006db5c
SHA1

ef2d2a47958214f9a5516952e2ac16a9dc520182
SHA256

9e1a644207c2a07ac139facaabcd917251dd8f4c206fc6410123cb94a1ba0f2f
SHA512

8090fe20ef6138004d3ff72dd645f29d8d36224cb4dcd9d1c2031ce479e0d13adafca1a5d079c4bf5ce063a820c060f40319f9e0b9aade62f35a1de70f65bff9
SSDEEP

6144:zAJ3TFCjXZdswk4STHak9Dnu7vHWj/LgnFJDAVx98aCdNE:0J3TKXswk/THx9z+vVkH8

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

C2

ggg-cl.biz

45.9.20.13

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

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/2652-2-0x0000000000470000-0x00000000004B8000-memory.dmp	family_onlylogger
behavioral2/memory/2652-3-0x0000000000400000-0x0000000000463000-memory.dmp	family_onlylogger
behavioral2/memory/2652-5-0x0000000000400000-0x0000000000463000-memory.dmp	family_onlylogger
behavioral2/memory/2652-6-0x0000000000470000-0x00000000004B8000-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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	9cfac4002ec8a607d46108caa006db5c_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
4408	2652	WerFault.exe	92
1500	2652	WerFault.exe	92
1628	2652	WerFault.exe	92
3212	2652	WerFault.exe	92
1408	2652	WerFault.exe	92
5044	2652	WerFault.exe	92
4356	2652	WerFault.exe	92

Kills process with taskkill 1 IoCs

evasion

pid	Process
4392	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4392	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 4848	2652	9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe	118
PID 2652 wrote to memory of 4848	2652	9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe	118
PID 2652 wrote to memory of 4848	2652	9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe	118
PID 4848 wrote to memory of 4392	4848	cmd.exe	122
PID 4848 wrote to memory of 4392	4848	cmd.exe	122
PID 4848 wrote to memory of 4392	4848	cmd.exe	122

C:\Users\Admin\AppData\Local\Temp\9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 736
  2⤵
  - Program crash
  PID:4408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 784
  2⤵
  - Program crash
  PID:1500
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 920
  2⤵
  - Program crash
  PID:1628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 944
  2⤵
  - Program crash
  PID:3212
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 920
  2⤵
  - Program crash
  PID:1408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 984
  2⤵
  - Program crash
  PID:5044
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4848
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "9cfac4002ec8a607d46108caa006db5c_JaffaCakes118.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 728
  2⤵
  - Program crash
  PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2652 -ip 2652
1⤵
PID:2096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2652 -ip 2652
1⤵
PID:700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2652 -ip 2652
1⤵
PID:1504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2652 -ip 2652
1⤵
PID:2128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2652 -ip 2652
1⤵
PID:520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2652 -ip 2652
1⤵
PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2652 -ip 2652
1⤵
PID:4608

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4200 --field-trial-handle=2232,i,10468259530860544675,2192522633371581869,262144 --variations-seed-version /prefetch:8
1⤵
PID:2192

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/2652-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2652-2-0x0000000000470000-0x00000000004B8000-memory.dmp

Filesize
288KB

Download
memory/2652-3-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2652-6-0x0000000000470000-0x00000000004B8000-memory.dmp

Filesize
288KB

Download

Analysis

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