gcleaner | bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46

Analysis

max time kernel
90s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20240611-en
resource tags

arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system
submitted
21/06/2024, 23:09

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General

Target
bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe
Size 296KB
Sample240621-25grdsvbnc
SHA256 bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46
MD5 b6977758268c61c04cd76f5f46c1f61e
SHA1 cb052cc47eda1d8f04bbb77b1fc8924098ecb0f8
SHA512 16104238d7bb101826a069298c8ae45e78e811e228ccc6490e4e00b6de40e6f851202aa97f1110adbff37a6fc0f57580a833be6dd38463382d85459d8fa21880
SSDEEP 6144:jeMIvBjrcollXy9OrHXGaIcUX0HWPM6cpVUF23M:jeMIvBjrflEwWaIcUERP3
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
2224	4008	WerFault.exe	76

Kills process with taskkill 1 IoCs

evasion

pid	Process
3152	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3152	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 3084	4008	bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe	77
PID 4008 wrote to memory of 3084	4008	bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe	77
PID 4008 wrote to memory of 3084	4008	bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe	77
PID 3084 wrote to memory of 3152	3084	cmd.exe	81
PID 3084 wrote to memory of 3152	3084	cmd.exe	81
PID 3084 wrote to memory of 3152	3084	cmd.exe	81

C:\Users\Admin\AppData\Local\Temp\bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe
"C:\Users\Admin\AppData\Local\Temp\bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "bacf69c50d5446f9e07d9a6513b8b0fec399ad1ba809efb6e2473d6716072b46.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 1396
  2⤵
  - Program crash
  PID:2224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4008 -ip 4008
1⤵
PID:1768

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\PIYE1NLF\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/4008-1-0x0000000000710000-0x0000000000810000-memory.dmp

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memory/4008-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4008-2-0x00000000021B0000-0x00000000021EC000-memory.dmp

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memory/4008-8-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/4008-14-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/4008-20-0x0000000000710000-0x0000000000810000-memory.dmp

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memory/4008-24-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4008-33-0x0000000000400000-0x0000000000454000-memory.dmp

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memory/4008-34-0x0000000000400000-0x0000000000440000-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