gcleaner | 4f427368f409e158faf447e0fed42ce6815cf6929a8f21b9c40dcd75a1260179

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-02-2024 20:46

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General

Target

a48f6e675c4631d5b969073fe23024b6.exe
Size

320KB
MD5

a48f6e675c4631d5b969073fe23024b6
SHA1

6414cac87c0cf28eb977a87744d7f0f10979369d
SHA256

4f427368f409e158faf447e0fed42ce6815cf6929a8f21b9c40dcd75a1260179
SHA512

f31047f9c0f7edc16b3b3499db0641eba828ca79f8cdc5d724eb0141f8f358b1d8f6904c3314107a9348895a23bb50680a932c455472638f97295514cd080f76
SSDEEP

6144:unLX/3KUQWcQA+egSRpr7xKToYp3FSwcckLezORO6hCi:wb/aUQWZA+7SRpRuj+9MOui

Score

10^/10

gcleaner onlylogger loader

Malware Config

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
behavioral1/memory/1716-2-0x0000000000240000-0x000000000028F000-memory.dmp	family_onlylogger
behavioral1/memory/1716-3-0x0000000000400000-0x0000000002C86000-memory.dmp	family_onlylogger
behavioral1/memory/1716-4-0x0000000000400000-0x0000000002C86000-memory.dmp	family_onlylogger
behavioral1/memory/1716-5-0x0000000000240000-0x000000000028F000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
364	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
3016	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 364	1716	a48f6e675c4631d5b969073fe23024b6.exe	28
PID 1716 wrote to memory of 364	1716	a48f6e675c4631d5b969073fe23024b6.exe	28
PID 1716 wrote to memory of 364	1716	a48f6e675c4631d5b969073fe23024b6.exe	28
PID 1716 wrote to memory of 364	1716	a48f6e675c4631d5b969073fe23024b6.exe	28
PID 364 wrote to memory of 3016	364	cmd.exe	30
PID 364 wrote to memory of 3016	364	cmd.exe	30
PID 364 wrote to memory of 3016	364	cmd.exe	30
PID 364 wrote to memory of 3016	364	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\a48f6e675c4631d5b969073fe23024b6.exe
"C:\Users\Admin\AppData\Local\Temp\a48f6e675c4631d5b969073fe23024b6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a48f6e675c4631d5b969073fe23024b6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a48f6e675c4631d5b969073fe23024b6.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:364
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a48f6e675c4631d5b969073fe23024b6.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3016

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/1716-1-0x0000000002E30000-0x0000000002F30000-memory.dmp

Filesize
1024KB

Download
memory/1716-2-0x0000000000240000-0x000000000028F000-memory.dmp

Filesize
316KB

Download
memory/1716-3-0x0000000000400000-0x0000000002C86000-memory.dmp

Filesize
40.5MB

Download
memory/1716-4-0x0000000000400000-0x0000000002C86000-memory.dmp

Filesize
40.5MB

Download
memory/1716-5-0x0000000000240000-0x000000000028F000-memory.dmp

Filesize
316KB

Download