gcleaner | bcda7ddad8c1e3bfdc9f07d5177b5fc75f434ad2f4f5c4da7f47ada299e02409

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 05:57

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General

Target
2ae0c5d34044e761b90a9aee99f1dab0.exe
Size 336KB
Sample231231-gnnhdscfa4
SHA256 bcda7ddad8c1e3bfdc9f07d5177b5fc75f434ad2f4f5c4da7f47ada299e02409
MD5 2ae0c5d34044e761b90a9aee99f1dab0
SHA1 3289e4b30a9efb75e33851f7dcd87333d2cb9780
SHA512 2448193232378eab522fd13b3e5aa628a62bb7adc1716cdc5c0faa0eba584cbb0cac4240d8d41e40ead5335b7dc723482552509c0b3874957096073c838f3903
SSDEEP 6144:87/y0kDA/o/xOddVS5MDJSDVOXRyCQNuV2qvvxZrRQmRmkVpcx4:c3kkwJONS5MNaVOYCIKnxVRQmoepcx4
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

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/1700-2-0x0000000002530000-0x0000000002579000-memory.dmp	family_onlylogger
behavioral2/memory/1700-3-0x0000000000400000-0x00000000023BE000-memory.dmp	family_onlylogger
behavioral2/memory/1700-4-0x0000000000400000-0x00000000023BE000-memory.dmp	family_onlylogger
behavioral2/memory/1700-5-0x0000000002530000-0x0000000002579000-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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	2ae0c5d34044e761b90a9aee99f1dab0.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
4904	1700	WerFault.exe	70
2360	1700	WerFault.exe	70
2148	1700	WerFault.exe	70
928	1700	WerFault.exe	70
4344	1700	WerFault.exe	70
1060	1700	WerFault.exe	70
1760	1700	WerFault.exe	70

Kills process with taskkill 1 IoCs

evasion

pid	Process
4956	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 1340	1700	2ae0c5d34044e761b90a9aee99f1dab0.exe	104
PID 1700 wrote to memory of 1340	1700	2ae0c5d34044e761b90a9aee99f1dab0.exe	104
PID 1700 wrote to memory of 1340	1700	2ae0c5d34044e761b90a9aee99f1dab0.exe	104
PID 1340 wrote to memory of 4956	1340	cmd.exe	108
PID 1340 wrote to memory of 4956	1340	cmd.exe	108
PID 1340 wrote to memory of 4956	1340	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\2ae0c5d34044e761b90a9aee99f1dab0.exe
"C:\Users\Admin\AppData\Local\Temp\2ae0c5d34044e761b90a9aee99f1dab0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 688
  2⤵
  - Program crash
  PID:4904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 792
  2⤵
  - Program crash
  PID:2360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 920
  2⤵
  - Program crash
  PID:2148
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 780
  2⤵
  - Program crash
  PID:928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 780
  2⤵
  - Program crash
  PID:4344
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 932
  2⤵
  - Program crash
  PID:1060
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2ae0c5d34044e761b90a9aee99f1dab0.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2ae0c5d34044e761b90a9aee99f1dab0.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2ae0c5d34044e761b90a9aee99f1dab0.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1700 -s 1100
  2⤵
  - Program crash
  PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1700 -ip 1700
1⤵
PID:2972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1700 -ip 1700
1⤵
PID:4424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1700 -ip 1700
1⤵
PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1700 -ip 1700
1⤵
PID:116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1700 -ip 1700
1⤵
PID:840

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1700 -ip 1700
1⤵
PID:2876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1700 -ip 1700
1⤵
PID:3996

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/1700-1-0x00000000025B0000-0x00000000026B0000-memory.dmp

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memory/1700-2-0x0000000002530000-0x0000000002579000-memory.dmp

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memory/1700-3-0x0000000000400000-0x00000000023BE000-memory.dmp

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memory/1700-4-0x0000000000400000-0x00000000023BE000-memory.dmp

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memory/1700-5-0x0000000002530000-0x0000000002579000-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