gcleaner | bf660b0cac15e662d16c3f015c0f77e997164dc8035f90aafe120c9f260a1920

Analysis

max time kernel
138s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 20:27

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General

Target
94692fc89e38272a1dd9c322f2b34aa0.exe
Size 294KB
Sample231219-y8ppmaeadm
SHA256 bf660b0cac15e662d16c3f015c0f77e997164dc8035f90aafe120c9f260a1920
MD5 94692fc89e38272a1dd9c322f2b34aa0
SHA1 5a88901a0a795e9fa51760caf08b228a6ca61bb2
SHA512 2d9216054e8f54e7706d709b1ac6aa3267199d10355b9e2ec77e01ff0da2971dddf52ae96724d2e83239c59d41c046cc3e237e8774e8ba92814acd0102234715
SSDEEP 6144:BZZqJNObNhEHBFb5AA6s9WGCVhjZD+2/o0BFNOQAcfFFOgG3:7cJNwQBFNAA6s9WG8hVD+2YQ+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

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/528-2-0x0000000000540000-0x0000000000588000-memory.dmp	family_onlylogger
behavioral2/memory/528-3-0x0000000000400000-0x0000000000462000-memory.dmp	family_onlylogger
behavioral2/memory/528-7-0x0000000000540000-0x0000000000588000-memory.dmp	family_onlylogger
behavioral2/memory/528-10-0x0000000000400000-0x0000000000462000-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-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	94692fc89e38272a1dd9c322f2b34aa0.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
2288	528	WerFault.exe	64
3276	528	WerFault.exe	64
1164	528	WerFault.exe	64
3116	528	WerFault.exe	64
3380	528	WerFault.exe	64
4340	528	WerFault.exe	64
4568	528	WerFault.exe	64

Kills process with taskkill 1 IoCs

evasion

pid	Process
4404	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4404	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 2844	528	94692fc89e38272a1dd9c322f2b34aa0.exe	107
PID 528 wrote to memory of 2844	528	94692fc89e38272a1dd9c322f2b34aa0.exe	107
PID 528 wrote to memory of 2844	528	94692fc89e38272a1dd9c322f2b34aa0.exe	107
PID 2844 wrote to memory of 4404	2844	cmd.exe	111
PID 2844 wrote to memory of 4404	2844	cmd.exe	111
PID 2844 wrote to memory of 4404	2844	cmd.exe	111

C:\Users\Admin\AppData\Local\Temp\94692fc89e38272a1dd9c322f2b34aa0.exe
"C:\Users\Admin\AppData\Local\Temp\94692fc89e38272a1dd9c322f2b34aa0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 736
  2⤵
  - Program crash
  PID:2288
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 796
  2⤵
  - Program crash
  PID:3276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 952
  2⤵
  - Program crash
  PID:1164
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 804
  2⤵
  - Program crash
  PID:3116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 804
  2⤵
  - Program crash
  PID:3380
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 808
  2⤵
  - Program crash
  PID:4340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "94692fc89e38272a1dd9c322f2b34aa0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\94692fc89e38272a1dd9c322f2b34aa0.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "94692fc89e38272a1dd9c322f2b34aa0.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 528 -s 1096
  2⤵
  - Program crash
  PID:4568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 528 -ip 528
1⤵
PID:468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 528 -ip 528
1⤵
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 528 -ip 528
1⤵
PID:1956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 528 -ip 528
1⤵
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 528 -ip 528
1⤵
PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 528 -ip 528
1⤵
PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 528 -ip 528
1⤵
PID:1348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/528-1-0x0000000000720000-0x0000000000820000-memory.dmp

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memory/528-2-0x0000000000540000-0x0000000000588000-memory.dmp

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memory/528-3-0x0000000000400000-0x0000000000462000-memory.dmp

Download

memory/528-6-0x0000000000720000-0x0000000000820000-memory.dmp

Download

memory/528-7-0x0000000000540000-0x0000000000588000-memory.dmp

Download

memory/528-10-0x0000000000400000-0x0000000000462000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads