gcleaner | 7da8151aae38faa10b8f20bb012b4c3a403f0624c1c9600f42aea2f29bdcbc42

General

Target

d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe
Size

248KB
MD5

d354116e0df4c415e8d9de5a80ed61bc
SHA1

4999f52569672041dfa90b48bc200e42e419c57d
SHA256

7da8151aae38faa10b8f20bb012b4c3a403f0624c1c9600f42aea2f29bdcbc42
SHA512

0341042ffd11a661bebd7a0b036201d9095924640b67e3e246de0c87fdc1191c702010a531ae67a293fd9ff2731ce055bfe8e8045308a773149dece5c627e0ed
SSDEEP

3072:bnF7ClEjclOvBeC7a7/J75PtAnyahl3Xbt+3vKimjdu0FniB0QyFO8iHWw6mP553:bThX7o/JXuyCp2vKimjUIiBSeWwPD

Score

10^/10

gcleaner onlylogger loader

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

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/1368-2-0x0000000002210000-0x0000000002258000-memory.dmp	family_onlylogger
behavioral2/memory/1368-3-0x0000000000400000-0x00000000004C4000-memory.dmp	family_onlylogger
behavioral2/memory/1368-5-0x0000000000400000-0x00000000004C4000-memory.dmp	family_onlylogger
behavioral2/memory/1368-6-0x0000000002210000-0x0000000002258000-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	d354116e0df4c415e8d9de5a80ed61bc_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
3984	1368	WerFault.exe	93
3572	1368	WerFault.exe	93
3512	1368	WerFault.exe	93
1632	1368	WerFault.exe	93
1904	1368	WerFault.exe	93
1884	1368	WerFault.exe	93
3060	1368	WerFault.exe	93

Kills process with taskkill 1 IoCs

evasion

pid	Process
3336	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3336	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1592	1368	d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe	118
PID 1368 wrote to memory of 1592	1368	d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe	118
PID 1368 wrote to memory of 1592	1368	d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe	118
PID 1592 wrote to memory of 3336	1592	cmd.exe	121
PID 1592 wrote to memory of 3336	1592	cmd.exe	121
PID 1592 wrote to memory of 3336	1592	cmd.exe	121

C:\Users\Admin\AppData\Local\Temp\d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 716
  2⤵
  - Program crash
  PID:3984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 784
  2⤵
  - Program crash
  PID:3572
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 792
  2⤵
  - Program crash
  PID:3512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 688
  2⤵
  - Program crash
  PID:1632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 688
  2⤵
  - Program crash
  PID:1904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 964
  2⤵
  - Program crash
  PID:1884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1592
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d354116e0df4c415e8d9de5a80ed61bc_JaffaCakes118.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3336
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1368 -s 744
  2⤵
  - Program crash
  PID:3060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1368 -ip 1368
1⤵
PID:1592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1368 -ip 1368
1⤵
PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1368 -ip 1368
1⤵
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1368 -ip 1368
1⤵
PID:1788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1368 -ip 1368
1⤵
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1368 -ip 1368
1⤵
PID:2880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1368 -ip 1368
1⤵
PID:2296

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=4140 --field-trial-handle=2320,i,3025503729105798828,9325691672526736153,262144 --variations-seed-version /prefetch:8
1⤵
PID:2004

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/1368-2-0x0000000002210000-0x0000000002258000-memory.dmp

Filesize
288KB

Download
memory/1368-1-0x0000000000620000-0x0000000000720000-memory.dmp

Filesize
1024KB

Download
memory/1368-3-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1368-5-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download
memory/1368-6-0x0000000002210000-0x0000000002258000-memory.dmp

Filesize
288KB

Download

Analysis

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