gcleaner | 7c6528ddebf48f0199d66b42f5d38452c4665638c33d918392c4cb0b4dd4f24f

General

Target

f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe
Size

436KB
MD5

f417a42407e03aa745b6eceeb4994b7c
SHA1

33f6be92bc9cc096c4ed5f4a27b5da7fce790e8c
SHA256

7c6528ddebf48f0199d66b42f5d38452c4665638c33d918392c4cb0b4dd4f24f
SHA512

05201d549682963c9a77ec644fe1d860a3b3dbc54df09d2731492ce05e67bb7a4abc80dfe561808f1faae27a9a1e7a859bd2d1df4ea08237f11325b13d7c3cb5
SSDEEP

12288:ZVYrj0c2rNKuY47UjZ5nW98tIAKbFK9mp6atb:gnNKNK/47M5nW9nAkKo5

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/232-2-0x0000000001880000-0x00000000018C8000-memory.dmp	family_onlylogger
behavioral2/memory/232-3-0x0000000000400000-0x00000000016E0000-memory.dmp	family_onlylogger
behavioral2/memory/232-4-0x0000000000400000-0x00000000016E0000-memory.dmp	family_onlylogger
behavioral2/memory/232-5-0x0000000001880000-0x00000000018C8000-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-1-5-21-2288054676-1871194608-3559553667-1000\Control Panel\International\Geo\Nation	f417a42407e03aa745b6eceeb4994b7c_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
3976	232	WerFault.exe	85
3440	232	WerFault.exe	85
3204	232	WerFault.exe	85
4140	232	WerFault.exe	85
1216	232	WerFault.exe	85
3600	232	WerFault.exe	85
3320	232	WerFault.exe	85

Kills process with taskkill 1 IoCs

evasion

pid	Process
1732	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 4472	232	f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe	106
PID 232 wrote to memory of 4472	232	f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe	106
PID 232 wrote to memory of 4472	232	f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe	106
PID 4472 wrote to memory of 1732	4472	cmd.exe	110
PID 4472 wrote to memory of 1732	4472	cmd.exe	110
PID 4472 wrote to memory of 1732	4472	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 688
  2⤵
  - Program crash
  PID:3976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 776
  2⤵
  - Program crash
  PID:3440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 920
  2⤵
  - Program crash
  PID:3204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 780
  2⤵
  - Program crash
  PID:4140
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 780
  2⤵
  - Program crash
  PID:1216
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 932
  2⤵
  - Program crash
  PID:3600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4472
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "f417a42407e03aa745b6eceeb4994b7c_JaffaCakes118.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 976
  2⤵
  - Program crash
  PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 232 -ip 232
1⤵
PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 232 -ip 232
1⤵
PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 232 -ip 232
1⤵
PID:2236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 232 -ip 232
1⤵
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 232 -ip 232
1⤵
PID:1880

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 232 -ip 232
1⤵
PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 232 -ip 232
1⤵
PID:3960

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/232-1-0x00000000018D0000-0x00000000019D0000-memory.dmp

Filesize
1024KB

Download
memory/232-2-0x0000000001880000-0x00000000018C8000-memory.dmp

Filesize
288KB

Download
memory/232-3-0x0000000000400000-0x00000000016E0000-memory.dmp

Filesize
18.9MB

Download
memory/232-4-0x0000000000400000-0x00000000016E0000-memory.dmp

Filesize
18.9MB

Download
memory/232-5-0x0000000001880000-0x00000000018C8000-memory.dmp

Filesize
288KB

Download

Analysis

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