gcleaner | 9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
22/06/2024, 08:43

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General

Target
9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe
Size 264KB
Sample240622-kmtvkasbla
SHA256 9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a
MD5 ac1b9dbf2cde29e1d6106b6016866617
SHA1 7cf864139dd0675db6fc14c0fb810650c4282f77
SHA512 19e45af09b3b507c89a4a09cf8f35e87a400ca8357aed6b7301687def9b982f742d4ab69e61217dc8d494422f8bebab5236acc7a25cb0f314c3ad22c5b588e79
SSDEEP 3072:m3Uq9xqR0SHtsrltkgtRL2/GyyL66HyapV2rAVtlMr0XvivTk3VInF23MUV:pV0SHCPrcBKcEVHMkK70VUF23M
MD5 SHA1 SHA512 SSDEEP

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4008	4816	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
1904	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 612	4816	9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe	95
PID 4816 wrote to memory of 612	4816	9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe	95
PID 4816 wrote to memory of 612	4816	9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe	95
PID 612 wrote to memory of 1904	612	cmd.exe	99
PID 612 wrote to memory of 1904	612	cmd.exe	99
PID 612 wrote to memory of 1904	612	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe
"C:\Users\Admin\AppData\Local\Temp\9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4816
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:612
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "9c4e690febdf0c40f8ea25ca7ea34153230e77807aa8b088028004becd44079a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 1244
  2⤵
  - Program crash
  PID:4008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4816 -ip 4816
1⤵
PID:1300

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

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\G7AAJOBN\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/4816-1-0x0000000000690000-0x0000000000790000-memory.dmp

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memory/4816-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4816-2-0x00000000005B0000-0x00000000005DD000-memory.dmp

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memory/4816-8-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/4816-13-0x0000000000690000-0x0000000000790000-memory.dmp

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memory/4816-16-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4816-21-0x0000000000400000-0x000000000044C000-memory.dmp

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memory/4816-22-0x0000000000400000-0x000000000042F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads