gcleaner | 75bbf52fb165c887877cf2bb525656b2ea10cfe0585fab997789f74a73156ccd

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:04

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General

Target
9700a09a3bf281d8307f602ec4e1c8cd.exe
Size 363KB
Sample231222-qa671sffe2
SHA256 75bbf52fb165c887877cf2bb525656b2ea10cfe0585fab997789f74a73156ccd
MD5 9700a09a3bf281d8307f602ec4e1c8cd
SHA1 e7b34adb8a1c72abc3ee8076b3139d236b69a3ab
SHA512 d7e5b4c2d7d005c6720e4c51c399d01699a934f9b8b148cc08e078be5572cea9720c39ce02d429db83d67d9c1b3c66c27c77b08563b8379ba56881baa5aac2df
SSDEEP 6144:XbL40jFVv3sfVJomPHnXPhKjSSDlgw3bT2zd4sL7boJ20Pkf1gbzzWAOA:zDv8fVJ7HnXJKj1Gw3bTUd4sfbologby
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/4996-2-0x00000000047D0000-0x0000000004818000-memory.dmp	family_onlylogger
behavioral2/memory/4996-3-0x0000000000400000-0x0000000002B66000-memory.dmp	family_onlylogger
behavioral2/memory/4996-5-0x00000000047D0000-0x0000000004818000-memory.dmp	family_onlylogger
behavioral2/memory/4996-4-0x0000000000400000-0x0000000002B66000-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-1-5-21-3336304223-2978740688-3645194410-1000\Control Panel\International\Geo\Nation	9700a09a3bf281d8307f602ec4e1c8cd.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
1904	4996	WerFault.exe	87
1116	4996	WerFault.exe	87
4948	4996	WerFault.exe	87
3780	4996	WerFault.exe	87
2936	4996	WerFault.exe	87
1380	4996	WerFault.exe	87
3172	4996	WerFault.exe	87

Kills process with taskkill 1 IoCs

evasion

pid	Process
1924	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 3772	4996	9700a09a3bf281d8307f602ec4e1c8cd.exe	106
PID 4996 wrote to memory of 3772	4996	9700a09a3bf281d8307f602ec4e1c8cd.exe	106
PID 4996 wrote to memory of 3772	4996	9700a09a3bf281d8307f602ec4e1c8cd.exe	106
PID 3772 wrote to memory of 1924	3772	cmd.exe	108
PID 3772 wrote to memory of 1924	3772	cmd.exe	108
PID 3772 wrote to memory of 1924	3772	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\9700a09a3bf281d8307f602ec4e1c8cd.exe
"C:\Users\Admin\AppData\Local\Temp\9700a09a3bf281d8307f602ec4e1c8cd.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4996
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 724
  2⤵
  - Program crash
  PID:1904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 796
  2⤵
  - Program crash
  PID:1116
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 932
  2⤵
  - Program crash
  PID:4948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 940
  2⤵
  - Program crash
  PID:3780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 940
  2⤵
  - Program crash
  PID:2936
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 952
  2⤵
  - Program crash
  PID:1380
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "9700a09a3bf281d8307f602ec4e1c8cd.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9700a09a3bf281d8307f602ec4e1c8cd.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3772
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "9700a09a3bf281d8307f602ec4e1c8cd.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 1096
  2⤵
  - Program crash
  PID:3172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4996 -ip 4996
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4996 -ip 4996
1⤵
PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4996 -ip 4996
1⤵
PID:936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4996 -ip 4996
1⤵
PID:2104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4996 -ip 4996
1⤵
PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4996 -ip 4996
1⤵
PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4996 -ip 4996
1⤵
PID:3684

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/4996-1-0x0000000002EF0000-0x0000000002FF0000-memory.dmp

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memory/4996-2-0x00000000047D0000-0x0000000004818000-memory.dmp

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memory/4996-3-0x0000000000400000-0x0000000002B66000-memory.dmp

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memory/4996-5-0x00000000047D0000-0x0000000004818000-memory.dmp

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memory/4996-4-0x0000000000400000-0x0000000002B66000-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