gcleaner | cbf537e68db0faba75151f6219eaee109313a023ce0cf624b3ca88b5bdf268a7

General

Target

f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe
Size

369KB
MD5

f23d00861ef6d34c79158c12dc8fe503
SHA1

f862c934d47df8fd9d8788958b34eb28aeab35f3
SHA256

cbf537e68db0faba75151f6219eaee109313a023ce0cf624b3ca88b5bdf268a7
SHA512

ed36554bce46f3e62faf4a54a7f71b039d684d6a28d5ee2491457e42ea3257c208b7a1476b226984fb48d4267b966925f520cb6e3b24bddb19300da85a294fc4
SSDEEP

6144:mzTJ0OE7eVtJM9hEAjk9TgP7lEP6RTFOQrf3Ex1TtccqQz:SyOE76twhvwK+QTrf3Ebt3qw

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/3312-2-0x0000000002530000-0x0000000002579000-memory.dmp	family_onlylogger
behavioral2/memory/3312-3-0x0000000000400000-0x00000000023C7000-memory.dmp	family_onlylogger
behavioral2/memory/3312-7-0x0000000002530000-0x0000000002579000-memory.dmp	family_onlylogger
behavioral2/memory/3312-6-0x0000000000400000-0x00000000023C7000-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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	f23d00861ef6d34c79158c12dc8fe503_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
4652	3312	WerFault.exe	91
4664	3312	WerFault.exe	91
4812	3312	WerFault.exe	91
4412	3312	WerFault.exe	91
112	3312	WerFault.exe	91
3172	3312	WerFault.exe	91
4584	3312	WerFault.exe	91

Kills process with taskkill 1 IoCs

evasion

pid	Process
4888	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 568	3312	f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe	110
PID 3312 wrote to memory of 568	3312	f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe	110
PID 3312 wrote to memory of 568	3312	f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe	110
PID 568 wrote to memory of 4888	568	cmd.exe	115
PID 568 wrote to memory of 4888	568	cmd.exe	115
PID 568 wrote to memory of 4888	568	cmd.exe	115

C:\Users\Admin\AppData\Local\Temp\f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 740
  2⤵
  - Program crash
  PID:4652
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 784
  2⤵
  - Program crash
  PID:4664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 900
  2⤵
  - Program crash
  PID:4812
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 908
  2⤵
  - Program crash
  PID:4412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 940
  2⤵
  - Program crash
  PID:112
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 900
  2⤵
  - Program crash
  PID:3172
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3312 -s 720
  2⤵
  - Program crash
  PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3312 -ip 3312
1⤵
PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3312 -ip 3312
1⤵
PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3312 -ip 3312
1⤵
PID:3752

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 3312 -ip 3312
1⤵
PID:1060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3312 -ip 3312
1⤵
PID:1836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3312 -ip 3312
1⤵
PID:2656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3312 -ip 3312
1⤵
PID:1388

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=3808 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
1⤵
PID:3404

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/3312-1-0x00000000025C0000-0x00000000026C0000-memory.dmp

Filesize
1024KB

Download
memory/3312-2-0x0000000002530000-0x0000000002579000-memory.dmp

Filesize
292KB

Download
memory/3312-3-0x0000000000400000-0x00000000023C7000-memory.dmp

Filesize
31.8MB

Download
memory/3312-7-0x0000000002530000-0x0000000002579000-memory.dmp

Filesize
292KB

Download
memory/3312-6-0x0000000000400000-0x00000000023C7000-memory.dmp

Filesize
31.8MB

Download

Analysis

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