gcleaner | 7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f

General

Target
7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe
Size 320KB
Sample240714-by2vwavbrd
SHA256 7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f
MD5 e38fd50fc009b6eacccc04af63435452
SHA1 1921a04066237adbbebcf3e3f1beb1e6c7fee15c
SHA512 d8a93cf65c2c4e481e2f64a6f695b5ea2cbfab5e6b3b9c84feb32d1c2227d7adf0e69e6fc3c7eb4759e684261768e9ddf149676633ee55136f7dc75d3c7d5c59
SSDEEP 3072:s+AgTrwgXX3x57Aw7OaS6oVNT/1Xgs1nJXlV02BZmwwdCbKS4:sMrzn8wlADnJXD02/7KS
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
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
5004	3576	WerFault.exe	79
1792	3576	WerFault.exe	79
3004	3576	WerFault.exe	79
4036	3576	WerFault.exe	79
4820	3576	WerFault.exe	79
748	3576	WerFault.exe	79
2084	3576	WerFault.exe	79
2328	3576	WerFault.exe	79

Kills process with taskkill 1 IoCs

evasion

pid	Process
3612	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 4644	3576	7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe	96
PID 3576 wrote to memory of 4644	3576	7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe	96
PID 3576 wrote to memory of 4644	3576	7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe	96
PID 4644 wrote to memory of 3612	4644	cmd.exe	100
PID 4644 wrote to memory of 3612	4644	cmd.exe	100
PID 4644 wrote to memory of 3612	4644	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe
"C:\Users\Admin\AppData\Local\Temp\7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 764
  2⤵
  - Program crash
  PID:5004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 812
  2⤵
  - Program crash
  PID:1792
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 832
  2⤵
  - Program crash
  PID:3004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 824
  2⤵
  - Program crash
  PID:4036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 952
  2⤵
  - Program crash
  PID:4820
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1036
  2⤵
  - Program crash
  PID:748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1464
  2⤵
  - Program crash
  PID:2084
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "7317f71a2df1b902823f48f98bf1e685e60a7819f1041ff35491a5124af4439f.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 1416
  2⤵
  - Program crash
  PID:2328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3576 -ip 3576
1⤵
PID:4608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3576 -ip 3576
1⤵
PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3576 -ip 3576
1⤵
PID:1508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3576 -ip 3576
1⤵
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3576 -ip 3576
1⤵
PID:132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3576 -ip 3576
1⤵
PID:4788

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 3576 -ip 3576
1⤵
PID:664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3576 -ip 3576
1⤵
PID:3696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\41XQO3A1\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/3576-2-0x0000000003EF0000-0x0000000003F1D000-memory.dmp

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memory/3576-1-0x0000000002290000-0x0000000002390000-memory.dmp

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memory/3576-3-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3576-8-0x0000000000400000-0x0000000002098000-memory.dmp

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memory/3576-15-0x0000000003EF0000-0x0000000003F1D000-memory.dmp

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memory/3576-14-0x0000000002290000-0x0000000002390000-memory.dmp

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memory/3576-17-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3576-23-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/3576-22-0x0000000000400000-0x0000000002098000-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