gcleaner | 260b02ef8e2926b9957ca91ca3a2c1d30178a9cb096c5835ff57bcdf75028810

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-03-2024 15:24

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General

Target

bef3b5b031d54620d8ea232e0ceeefc8.exe
Size

363KB
MD5

bef3b5b031d54620d8ea232e0ceeefc8
SHA1

fa4b6282112c8c16bef3fed1bf1f25cf98c41a1e
SHA256

260b02ef8e2926b9957ca91ca3a2c1d30178a9cb096c5835ff57bcdf75028810
SHA512

61503da98efbe34311e4846bbdd1d6d04804659e0b49e28965feafa8757992e8640509aeb44c901069e922cd6ed18681b947f9ee498fc352f9f46e3fc65c407c
SSDEEP

6144:b9cyVvxgfOm/oeVNpIDrsNAdly51yPIM04Qe2YD2K6Q/IytSvn:aivW2m/bpIDrsWdU7cIMrQvQwytS

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 3 IoCs

resource	yara_rule
behavioral1/memory/2084-2-0x0000000000290000-0x00000000002D9000-memory.dmp	family_onlylogger
behavioral1/memory/2084-3-0x0000000000400000-0x00000000023C4000-memory.dmp	family_onlylogger
behavioral1/memory/2084-4-0x0000000000400000-0x00000000023C4000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2728	cmd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
3056	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2728	2084	bef3b5b031d54620d8ea232e0ceeefc8.exe	28
PID 2084 wrote to memory of 2728	2084	bef3b5b031d54620d8ea232e0ceeefc8.exe	28
PID 2084 wrote to memory of 2728	2084	bef3b5b031d54620d8ea232e0ceeefc8.exe	28
PID 2084 wrote to memory of 2728	2084	bef3b5b031d54620d8ea232e0ceeefc8.exe	28
PID 2728 wrote to memory of 3056	2728	cmd.exe	30
PID 2728 wrote to memory of 3056	2728	cmd.exe	30
PID 2728 wrote to memory of 3056	2728	cmd.exe	30
PID 2728 wrote to memory of 3056	2728	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\bef3b5b031d54620d8ea232e0ceeefc8.exe
"C:\Users\Admin\AppData\Local\Temp\bef3b5b031d54620d8ea232e0ceeefc8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "bef3b5b031d54620d8ea232e0ceeefc8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bef3b5b031d54620d8ea232e0ceeefc8.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "bef3b5b031d54620d8ea232e0ceeefc8.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3056

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2084-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2084-2-0x0000000000290000-0x00000000002D9000-memory.dmp

Filesize
292KB

Download
memory/2084-3-0x0000000000400000-0x00000000023C4000-memory.dmp

Filesize
31.8MB

Download
memory/2084-4-0x0000000000400000-0x00000000023C4000-memory.dmp

Filesize
31.8MB

Download