gcleaner | 38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c

Analysis

max time kernel
197s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
06/06/2024, 23:20

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General

Target
38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe
Size 373KB
Sample240606-3bf4fadd9v
SHA256 38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c
MD5 df2016c4f2658e399f6547f00f76228f
SHA1 7a8692434a7b1d554eaae5b07ce11dac8e12c5c8
SHA512 e137b4ac4a4565e3c36891b275fda390a33e7249169150dfb5744fae4464184782262d176bcf22414ba6761a805e8f209bf41717e129e59896ba57913298d78d
SSDEEP 6144:SCyPBzCn6eCietiKZ2q/JQBncA5edyuytWakH1WTU:cPBzcPCieYWl/JQ2YedBakg
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
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
792	4988	WerFault.exe	73
308	4988	WerFault.exe	73
2108	4988	WerFault.exe	73
4780	4988	WerFault.exe	73
4532	4988	WerFault.exe	73
4228	4988	WerFault.exe	73
2716	4988	WerFault.exe	73
1804	4988	WerFault.exe	73

Kills process with taskkill 1 IoCs

evasion

pid	Process
3508	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3508	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 5084	4988	38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe	83
PID 4988 wrote to memory of 5084	4988	38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe	83
PID 4988 wrote to memory of 5084	4988	38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe	83
PID 5084 wrote to memory of 3508	5084	cmd.exe	85
PID 5084 wrote to memory of 3508	5084	cmd.exe	85
PID 5084 wrote to memory of 3508	5084	cmd.exe	85

C:\Users\Admin\AppData\Local\Temp\38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe
"C:\Users\Admin\AppData\Local\Temp\38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 760
  2⤵
  - Program crash
  PID:792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 772
  2⤵
  - Program crash
  PID:308
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 840
  2⤵
  - Program crash
  PID:2108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 816
  2⤵
  - Program crash
  PID:4780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 840
  2⤵
  - Program crash
  PID:4532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1112
  2⤵
  - Program crash
  PID:4228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1152
  2⤵
  - Program crash
  PID:2716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1400
  2⤵
  - Program crash
  PID:1804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5084
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "38790048a1f4ff49a1665879f3ef9ee3700f16096d8466030a10d8f2c798f68c.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3508

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\XCFODRP5\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/4988-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4988-2-0x00000000022B0000-0x00000000022DD000-memory.dmp

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memory/4988-1-0x0000000000810000-0x0000000000910000-memory.dmp

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memory/4988-9-0x0000000000400000-0x0000000000696000-memory.dmp

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memory/4988-14-0x0000000000810000-0x0000000000910000-memory.dmp

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memory/4988-15-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4988-22-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/4988-21-0x0000000000400000-0x0000000000696000-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