gcleaner | d1a299c8b89530ee091ceeb89c172bdd9317816825b68926b0e368714e74d27f

Resubmissions

07-01-2024 18:07

240107-wqg6qabfcl 10

16-01-2022 12:55

220116-p5sgnsfdf9 10

Analysis

max time kernel
126s
max time network
133s
platform
windows10-1703_x64
resource
win10-20231215-en
resource tags

arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
submitted
07-01-2024 18:07

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General

Target

57620fe23fe46b9b50f5ec40bdc6b8fa.exe
Size

419KB
MD5

57620fe23fe46b9b50f5ec40bdc6b8fa
SHA1

fe38a4e6d66ad1cc621ea39e3d344d1fcd6227d2
SHA256

d1a299c8b89530ee091ceeb89c172bdd9317816825b68926b0e368714e74d27f
SHA512

671cd11456cc62533acfd62693db39488aa8964db4f4b4729ec1305b8b5550798bd1eae4107957eb5bc1b29d6023c8f28b0f33ccaf21a2b7169e5bf49125f1a3
SSDEEP

6144:1qH4z36C4T4+vJSMo6NH3IuMcWml++Em3aH5WO7qxCico7BEn8Zr1:1q5C64eGuMcWO+o3GzexCoyn85

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

web-stat.biz

privatevolume.bi

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

Processes:

resource	yara_rule
behavioral2/memory/4972-2-0x00000000021A0000-0x00000000021EC000-memory.dmp	family_onlylogger
behavioral2/memory/4972-3-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral2/memory/4972-4-0x0000000000400000-0x0000000000579000-memory.dmp	family_onlylogger
behavioral2/memory/4972-5-0x00000000021A0000-0x00000000021EC000-memory.dmp	family_onlylogger

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

System Information Discovery
T1082

Program crash 6 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
4576	4972	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
2708	4972	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
3000	4972	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
1980	4972	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
2840	4972	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe
2364	4972	WerFault.exe	57620fe23fe46b9b50f5ec40bdc6b8fa.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

928 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 928 taskkill.exe

pid	process
928	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	928	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

57620fe23fe46b9b50f5ec40bdc6b8fa.execmd.exe

description	pid	process	target process
PID 4972 wrote to memory of 3544	4972	57620fe23fe46b9b50f5ec40bdc6b8fa.exe	cmd.exe
PID 4972 wrote to memory of 3544	4972	57620fe23fe46b9b50f5ec40bdc6b8fa.exe	cmd.exe
PID 4972 wrote to memory of 3544	4972	57620fe23fe46b9b50f5ec40bdc6b8fa.exe	cmd.exe
PID 3544 wrote to memory of 928	3544	cmd.exe	taskkill.exe
PID 3544 wrote to memory of 928	3544	cmd.exe	taskkill.exe
PID 3544 wrote to memory of 928	3544	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\57620fe23fe46b9b50f5ec40bdc6b8fa.exe
"C:\Users\Admin\AppData\Local\Temp\57620fe23fe46b9b50f5ec40bdc6b8fa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 744
  2⤵
  - Program crash
  PID:4576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 756
  2⤵
  - Program crash
  PID:2708
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 840
  2⤵
  - Program crash
  PID:3000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 892
  2⤵
  - Program crash
  PID:1980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 892
  2⤵
  - Program crash
  PID:2840
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 848
  2⤵
  - Program crash
  PID:2364
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "57620fe23fe46b9b50f5ec40bdc6b8fa.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\57620fe23fe46b9b50f5ec40bdc6b8fa.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "57620fe23fe46b9b50f5ec40bdc6b8fa.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:928

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/4972-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

Filesize
1024KB

Download
memory/4972-2-0x00000000021A0000-0x00000000021EC000-memory.dmp

Filesize
304KB

Download
memory/4972-3-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/4972-4-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/4972-5-0x00000000021A0000-0x00000000021EC000-memory.dmp

Filesize
304KB

Download