gcleaner | 84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4

Analysis

max time kernel
90s
max time network
108s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
05/06/2024, 23:21

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe
Size 330KB
Sample240605-3bzwjsce69
SHA256 84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4
MD5 56a0d99a9ade318bbb8465f02bb486ec
SHA1 5a54941881d9349d620354080c02bd430f54eef8
SHA512 34f8d5a6fbba69a2fa7bfaf9722e1a261336878707211d49903d237926e90db6960f584d7c32cd460345f92a95a87521092834359d2ed2c941b3f550ff18ec21
SSDEEP 6144:DtIVmlVA4r55ONZucztHx06pm1z6WhtYVhIBT:OolVAPocz86pm56WXYY
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

185.172.128.90
5.42.64.56

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 11 IoCs

pid	pid_target	Process	procid_target
3704	2128	WerFault.exe	76
1868	2128	WerFault.exe	76
3032	2128	WerFault.exe	76
4764	2128	WerFault.exe	76
4400	2128	WerFault.exe	76
3388	2128	WerFault.exe	76
4920	2128	WerFault.exe	76
3624	2128	WerFault.exe	76
2864	2128	WerFault.exe	76
2036	2128	WerFault.exe	76
1676	2128	WerFault.exe	76

Kills process with taskkill 1 IoCs

evasion

pid	Process
1012	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 4576	2128	84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe	98
PID 2128 wrote to memory of 4576	2128	84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe	98
PID 2128 wrote to memory of 4576	2128	84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe	98
PID 4576 wrote to memory of 1012	4576	cmd.exe	101
PID 4576 wrote to memory of 1012	4576	cmd.exe	101
PID 4576 wrote to memory of 1012	4576	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe
"C:\Users\Admin\AppData\Local\Temp\84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 484
  2⤵
  - Program crash
  PID:3704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 488
  2⤵
  - Program crash
  PID:1868
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 784
  2⤵
  - Program crash
  PID:3032
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 804
  2⤵
  - Program crash
  PID:4764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 784
  2⤵
  - Program crash
  PID:4400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 804
  2⤵
  - Program crash
  PID:3388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 968
  2⤵
  - Program crash
  PID:4920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1088
  2⤵
  - Program crash
  PID:3624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1332
  2⤵
  - Program crash
  PID:2864
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1060
  2⤵
  - Program crash
  PID:2036
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4576
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "84d3a55161728d47c9a2778ed8db93930099f23bc2b08f471776875ac0a394a4.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 1396
  2⤵
  - Program crash
  PID:1676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2128 -ip 2128
1⤵
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2128 -ip 2128
1⤵
PID:1616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2128 -ip 2128
1⤵
PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2128 -ip 2128
1⤵
PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2128 -ip 2128
1⤵
PID:2924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2128 -ip 2128
1⤵
PID:496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2128 -ip 2128
1⤵
PID:3352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2128 -ip 2128
1⤵
PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2128 -ip 2128
1⤵
PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2128 -ip 2128
1⤵
PID:3136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2128 -ip 2128
1⤵
PID:1164

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

Replay Monitor

Loading Replay Monitor...

Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\C7D95PAM\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/2128-2-0x00000000023A0000-0x00000000023DC000-memory.dmp

Download

memory/2128-1-0x0000000000780000-0x0000000000880000-memory.dmp

Download

memory/2128-3-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2128-8-0x0000000010000000-0x000000001001C000-memory.dmp

Download

memory/2128-13-0x0000000000400000-0x0000000000685000-memory.dmp

Download

memory/2128-22-0x00000000023A0000-0x00000000023DC000-memory.dmp

Download

memory/2128-21-0x0000000000780000-0x0000000000880000-memory.dmp

Download

memory/2128-24-0x0000000000400000-0x0000000000440000-memory.dmp

Download

memory/2128-29-0x0000000000400000-0x0000000000685000-memory.dmp

Download

memory/2128-35-0x0000000000400000-0x0000000000685000-memory.dmp

Download

memory/2128-36-0x0000000000400000-0x0000000000440000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads