gcleaner | ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8

General

Target
ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe
Size 228KB
Sample240702-wjjqzaycmp
SHA256 ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8
MD5 53359c9f826a4668be076e49c96a9cb7
SHA1 1339f0ea0250663e216da34125490baed93e2b1f
SHA512 b900e7830cc91b2ccaf6bb054e7c680e60decb5149191e986e1d95d03241cefd1004586d406df973f1cfb8a8ccf665b8016297c18e4c5e71eee8b91b633bfebf
SSDEEP 6144:2ELo6jIKrJh/NHlSLkad5oWy63CroyrYh7:2Es6jDPZEYIeWyyCrFrY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

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-1-5-21-3169499791-3545231813-3156325206-1000\Control Panel\International\Geo\Nation	ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe

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

System Information Discovery
T1082

Program crash 8 IoCs

pid	pid_target	Process	procid_target
3156	1404	WerFault.exe	82
2280	1404	WerFault.exe	82
3456	1404	WerFault.exe	82
3108	1404	WerFault.exe	82
4440	1404	WerFault.exe	82
2672	1404	WerFault.exe	82
852	1404	WerFault.exe	82
1776	1404	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
3204	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3204	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 4772	1404	ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe	113
PID 1404 wrote to memory of 4772	1404	ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe	113
PID 1404 wrote to memory of 4772	1404	ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe	113
PID 4772 wrote to memory of 3204	4772	cmd.exe	117
PID 4772 wrote to memory of 3204	4772	cmd.exe	117
PID 4772 wrote to memory of 3204	4772	cmd.exe	117

C:\Users\Admin\AppData\Local\Temp\ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe
"C:\Users\Admin\AppData\Local\Temp\ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 744
  2⤵
  - Program crash
  PID:3156
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 784
  2⤵
  - Program crash
  PID:2280
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 784
  2⤵
  - Program crash
  PID:3456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 744
  2⤵
  - Program crash
  PID:3108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 904
  2⤵
  - Program crash
  PID:4440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 980
  2⤵
  - Program crash
  PID:2672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 1464
  2⤵
  - Program crash
  PID:852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4772
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ba1c9a5ec6aa3c4fce995803e11c0ff8479ee34729d79e5ac5b313f4d65e94c8.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1404 -s 1292
  2⤵
  - Program crash
  PID:1776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1404 -ip 1404
1⤵
PID:4988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1404 -ip 1404
1⤵
PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1404 -ip 1404
1⤵
PID:1500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1404 -ip 1404
1⤵
PID:4352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1404 -ip 1404
1⤵
PID:1640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1404 -ip 1404
1⤵
PID:4660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 1404 -ip 1404
1⤵
PID:2144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1404 -ip 1404
1⤵
PID:4216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\4NMOWK91\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/1404-1-0x0000000002AE0000-0x0000000002BE0000-memory.dmp

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memory/1404-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1404-2-0x0000000002880000-0x00000000028AD000-memory.dmp

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memory/1404-4-0x0000000000400000-0x0000000002727000-memory.dmp

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memory/1404-5-0x0000000002AE0000-0x0000000002BE0000-memory.dmp

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memory/1404-13-0x0000000000400000-0x0000000002727000-memory.dmp

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memory/1404-25-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1404-24-0x0000000000400000-0x0000000002727000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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