gcleaner | ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d

Analysis

max time kernel
64s
max time network
70s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
23/06/2024, 08:51

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General

Target
ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe
Size 366KB
Sample240623-kseb3azfpl
SHA256 ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d
MD5 adfe559d2d129240fb8cfa555e236012
SHA1 c35a22ac7033a78749a90611d9346a591c9e79f6
SHA512 9f1cb0bed19417c08ddf38a97be672253759f515e5bbd68bb26e15f0c00c8b3516572583217da2375fea1d6c310ef8f70fc083f5018b725ce548bfc6f9f9ce6e
SSDEEP 6144:5AVeipLtjIqA0KzeU6a+LZDltUcwoXEf12X6:szpLtjIqAgfbTZq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90
5.42.64.56
185.172.128.69

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
Downloads MZ/PE file
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
1704	2900	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
1180	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1180	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4188	2900	ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe	82
PID 2900 wrote to memory of 4188	2900	ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe	82
PID 2900 wrote to memory of 4188	2900	ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe	82
PID 4188 wrote to memory of 1180	4188	cmd.exe	85
PID 4188 wrote to memory of 1180	4188	cmd.exe	85
PID 4188 wrote to memory of 1180	4188	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe
"C:\Users\Admin\AppData\Local\Temp\ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4188
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ace210987cdbcaec97c6aaa0d130b5ee62ec85a321636a488b116c0a0b6a5a2d.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 512
  2⤵
  - Program crash
  PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2900 -ip 2900
1⤵
PID:4140

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

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1H94306K\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/2900-1-0x0000000000670000-0x0000000000770000-memory.dmp

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memory/2900-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2900-2-0x0000000002090000-0x00000000020CC000-memory.dmp

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memory/2900-8-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/2900-15-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/2900-20-0x0000000000670000-0x0000000000770000-memory.dmp

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memory/2900-24-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2900-33-0x0000000000400000-0x0000000000467000-memory.dmp

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memory/2900-34-0x0000000000400000-0x0000000000440000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads