gcleaner | b18ba32fede23de87419e2c65fc5588dd95c50db76ec35aec2312ca54e6fc1db

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 20:22

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General

Target

a2ab0049e01ee781efbb04400e10fab5.exe
Size

374KB
MD5

a2ab0049e01ee781efbb04400e10fab5
SHA1

f436e25008900beecd2e9315e2c25064424fa1f6
SHA256

b18ba32fede23de87419e2c65fc5588dd95c50db76ec35aec2312ca54e6fc1db
SHA512

ec48c25abfe2ede667e5204d6a66f790516cc3182905984c45164a350ac66d2023d6b5b714ace948b953a8dbba08ba21d675dec63aeda01d953ddf01d1778126
SSDEEP

6144:PP1iUPxejt4EBaONQ4mlRjHmIxAdMQ3FxQ6W7DCTI/2043QEJ+BGh85pA:lnPkZlBSlRjGIxNQbQV7D0ZVQc2Ge5

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/1784-2-0x00000000002D0000-0x0000000000319000-memory.dmp	family_onlylogger
behavioral1/memory/1784-3-0x0000000000400000-0x00000000023C7000-memory.dmp	family_onlylogger
behavioral1/memory/1784-4-0x0000000000400000-0x00000000023C7000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2580	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
2508	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2580	1784	a2ab0049e01ee781efbb04400e10fab5.exe	28
PID 1784 wrote to memory of 2580	1784	a2ab0049e01ee781efbb04400e10fab5.exe	28
PID 1784 wrote to memory of 2580	1784	a2ab0049e01ee781efbb04400e10fab5.exe	28
PID 1784 wrote to memory of 2580	1784	a2ab0049e01ee781efbb04400e10fab5.exe	28
PID 2580 wrote to memory of 2508	2580	cmd.exe	30
PID 2580 wrote to memory of 2508	2580	cmd.exe	30
PID 2580 wrote to memory of 2508	2580	cmd.exe	30
PID 2580 wrote to memory of 2508	2580	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\a2ab0049e01ee781efbb04400e10fab5.exe
"C:\Users\Admin\AppData\Local\Temp\a2ab0049e01ee781efbb04400e10fab5.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "a2ab0049e01ee781efbb04400e10fab5.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a2ab0049e01ee781efbb04400e10fab5.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "a2ab0049e01ee781efbb04400e10fab5.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2508

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/1784-1-0x0000000002470000-0x0000000002570000-memory.dmp

Filesize
1024KB

Download
memory/1784-2-0x00000000002D0000-0x0000000000319000-memory.dmp

Filesize
292KB

Download
memory/1784-3-0x0000000000400000-0x00000000023C7000-memory.dmp

Filesize
31.8MB

Download
memory/1784-4-0x0000000000400000-0x00000000023C7000-memory.dmp

Filesize
31.8MB

Download