gcleaner | 9298e3252c84af5631a95ba5174794beada8b746917c971459ad0bdedd91d4d8

Analysis

max time kernel
146s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 01:58

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General

Target
bd5e92e335c0bccfb3fd1d30153febaa.exe
Size 376KB
Sample240310-cd72tshb52
SHA256 9298e3252c84af5631a95ba5174794beada8b746917c971459ad0bdedd91d4d8
MD5 bd5e92e335c0bccfb3fd1d30153febaa
SHA1 4e769223c6388321ab6cb5c71a130779c98fa468
SHA512 890d2e8b86771e15e6feac65f21458fe543f1fe49f156ae64155cfe61135ac35f92f66e21ba3827584f440645359a6a9b35f96af5461f38f9e5570a7b97224ef
SSDEEP 6144:tnCryGiAV3dhUcC5rXPRjWUyLYwl8bRgfmDnWpSSwmfk6LNuv+JQMz:Ir9iGthUcyXP9N4/l3fQTSRfnwv+JP
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner onlylogger vidar loader stealer

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
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral2/memory/432-2-0x0000000002570000-0x00000000025B9000-memory.dmp	family_onlylogger
behavioral2/memory/432-3-0x0000000000400000-0x00000000023C8000-memory.dmp	family_onlylogger
behavioral2/memory/432-4-0x0000000000400000-0x00000000023C8000-memory.dmp	family_onlylogger
behavioral2/memory/432-5-0x0000000002570000-0x00000000025B9000-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-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	bd5e92e335c0bccfb3fd1d30153febaa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 6 IoCs

pid	pid_target	Process	procid_target
1860	432	WerFault.exe	87
2268	432	WerFault.exe	87
3940	432	WerFault.exe	87
2576	432	WerFault.exe	87
3160	432	WerFault.exe	87
3548	432	WerFault.exe	87

Kills process with taskkill 1 IoCs

evasion

pid	Process
2344	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2344	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 3472	432	bd5e92e335c0bccfb3fd1d30153febaa.exe	110
PID 432 wrote to memory of 3472	432	bd5e92e335c0bccfb3fd1d30153febaa.exe	110
PID 432 wrote to memory of 3472	432	bd5e92e335c0bccfb3fd1d30153febaa.exe	110
PID 3472 wrote to memory of 2344	3472	cmd.exe	112
PID 3472 wrote to memory of 2344	3472	cmd.exe	112
PID 3472 wrote to memory of 2344	3472	cmd.exe	112

C:\Users\Admin\AppData\Local\Temp\bd5e92e335c0bccfb3fd1d30153febaa.exe
"C:\Users\Admin\AppData\Local\Temp\bd5e92e335c0bccfb3fd1d30153febaa.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 704
  2⤵
  - Program crash
  PID:1860
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 784
  2⤵
  - Program crash
  PID:2268
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 792
  2⤵
  - Program crash
  PID:3940
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 936
  2⤵
  - Program crash
  PID:2576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 916
  2⤵
  - Program crash
  PID:3160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 432 -s 972
  2⤵
  - Program crash
  PID:3548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "bd5e92e335c0bccfb3fd1d30153febaa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bd5e92e335c0bccfb3fd1d30153febaa.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3472
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "bd5e92e335c0bccfb3fd1d30153febaa.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2344

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 432 -ip 432
1⤵
PID:1008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 432 -ip 432
1⤵
PID:4568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 432 -ip 432
1⤵
PID:2592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 432 -ip 432
1⤵
PID:4748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 432 -ip 432
1⤵
PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 432 -ip 432
1⤵
PID:2380

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/432-1-0x0000000002630000-0x0000000002730000-memory.dmp

Download

memory/432-2-0x0000000002570000-0x00000000025B9000-memory.dmp

Download

memory/432-3-0x0000000000400000-0x00000000023C8000-memory.dmp

Download

memory/432-4-0x0000000000400000-0x00000000023C8000-memory.dmp

Download

memory/432-5-0x0000000002570000-0x00000000025B9000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads