gcleaner | 33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6

Analysis

max time kernel
139s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
21-06-2024 18:27

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General

Target

33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe
Size

264KB
MD5

2f08961611a8551a6eca8c1283282f4c
SHA1

28569893137943505163fb12b95dca696dec9043
SHA256

33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6
SHA512

6e861ebfdd6edad1f80220c9a24373e08213c16109f9de5fd4fdf4111060b20b2b32d63cd085ce97a67578ac7fe40f4d6a087d2c2399b1675145db6dcf198aa0
SSDEEP

3072:3B248aZ5NhPtrB/8jhLCgr+dT2I9uhrroaoXreZByQvOqMM7UX1u+I0D2ZQaH3W:3SaHNhNBMhOS+kIxa0oByQmtBGD

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90

185.172.128.69

Attributes

url_path
/advdlc.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

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

Processes:

33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3665033694-1447845302-680750983-1000\Control Panel\International\Geo\Nation	33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4600 1280 WerFault.exe 33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1520 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1520 taskkill.exe

pid	pid_target	process	target process
4600	1280	WerFault.exe	33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe

pid	process
1520	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1520	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.execmd.exe

description	pid	process	target process
PID 1280 wrote to memory of 4824	1280	33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe	cmd.exe
PID 1280 wrote to memory of 4824	1280	33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe	cmd.exe
PID 1280 wrote to memory of 4824	1280	33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe	cmd.exe
PID 4824 wrote to memory of 1520	4824	cmd.exe	taskkill.exe
PID 4824 wrote to memory of 1520	4824	cmd.exe	taskkill.exe
PID 4824 wrote to memory of 1520	4824	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe
"C:\Users\Admin\AppData\Local\Temp\33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4824
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "33d5b1e3e8370c452d43a5214243c39161aec8807af4bf3d7fc2e3c0c75d16a6.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1280 -s 1388
  2⤵
  - Program crash
  PID:4600

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4088,i,10925946972013221578,8820669985803190952,262144 --variations-seed-version --mojo-platform-channel-handle=4252 /prefetch:8
1⤵
PID:3472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1280 -ip 1280
1⤵
PID:4744

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\RD8M0ENG\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/1280-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1280-1-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/1280-2-0x00000000005B0000-0x00000000005DD000-memory.dmp

Filesize
180KB

Download
memory/1280-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1280-14-0x0000000000600000-0x0000000000700000-memory.dmp

Filesize
1024KB

Download
memory/1280-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1280-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1280-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download