gcleaner | d7e4b3b4affb5fb8b91a843bd26b2b453856641557c32ab27674af85dede2c3c

General

Target
5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe
Size 421KB
Sample240331-w4621agg3s
SHA256 d7e4b3b4affb5fb8b91a843bd26b2b453856641557c32ab27674af85dede2c3c
MD5 5ac515cf1fb2ab700146569f59c4e4bf
SHA1 e0cc0be1e1e9f4e8a14acecc43aeefd84631d53e
SHA512 79229706b50b725f050e7de7f95d44f61f2536097809d6088b6e86dc57e5f232af48306cc4ade4acc5c38b8bf7db0c47c652b067d72d20891363087b0a133256
SSDEEP 6144:tIAXJoFTiRL/AKU+Mwq4lk0VfDjLCwt6e0ZGOEhnCszkFmTzbhiqbof0va0:ZXJoga+84dbjew0e0zEhnCsYFohiqba
MD5 SHA1 SHA512 SSDEEP

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/1620-2-0x0000000003420000-0x0000000003468000-memory.dmp	family_onlylogger
behavioral2/memory/1620-3-0x0000000000400000-0x00000000016DC000-memory.dmp	family_onlylogger
behavioral2/memory/1620-5-0x0000000000400000-0x00000000016DC000-memory.dmp	family_onlylogger
behavioral2/memory/1620-6-0x0000000003420000-0x0000000003468000-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	5ac515cf1fb2ab700146569f59c4e4bf_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
4464	1620	WerFault.exe	91
4948	1620	WerFault.exe	91
2732	1620	WerFault.exe	91
2196	1620	WerFault.exe	91
5116	1620	WerFault.exe	91
1300	1620	WerFault.exe	91
3684	1620	WerFault.exe	91

Kills process with taskkill 1 IoCs

evasion

pid	Process
4820	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4820	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 1968	1620	5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe	113
PID 1620 wrote to memory of 1968	1620	5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe	113
PID 1620 wrote to memory of 1968	1620	5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe	113
PID 1968 wrote to memory of 4820	1968	cmd.exe	117
PID 1968 wrote to memory of 4820	1968	cmd.exe	117
PID 1968 wrote to memory of 4820	1968	cmd.exe	117

C:\Users\Admin\AppData\Local\Temp\5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 744
  2⤵
  - Program crash
  PID:4464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 784
  2⤵
  - Program crash
  PID:4948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 880
  2⤵
  - Program crash
  PID:2732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 752
  2⤵
  - Program crash
  PID:2196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 752
  2⤵
  - Program crash
  PID:5116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 956
  2⤵
  - Program crash
  PID:1300
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "5ac515cf1fb2ab700146569f59c4e4bf_JaffaCakes118.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 880
  2⤵
  - Program crash
  PID:3684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1620 -ip 1620
1⤵
PID:2864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1620 -ip 1620
1⤵
PID:1624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1620 -ip 1620
1⤵
PID:2524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1620 -ip 1620
1⤵
PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1620 -ip 1620
1⤵
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1620 -ip 1620
1⤵
PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1620 -ip 1620
1⤵
PID:4964

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=3756 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:1912

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

Loading Replay Monitor...

Downloads

memory/1620-1-0x0000000001980000-0x0000000001A80000-memory.dmp

Download

memory/1620-2-0x0000000003420000-0x0000000003468000-memory.dmp

Download

memory/1620-3-0x0000000000400000-0x00000000016DC000-memory.dmp

Download

memory/1620-5-0x0000000000400000-0x00000000016DC000-memory.dmp

Download

memory/1620-6-0x0000000003420000-0x0000000003468000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads