gcleaner | 47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a

General

Target
47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe
Size 372KB
Sample240604-wcj36aeh83
SHA256 47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a
MD5 f2101367263125698461995be40b7887
SHA1 d7076e309f1d336bc1420003269d55fc1afb6bda
SHA512 76f1ab395da6093729591bba97f71097ed66a308fc85505f2d7d8b02204bf69baf2bdc66ee06fb8d7bd019f0301d40d5805ce6241e7a9cb5bb56c8ce7f6779da
SSDEEP 6144:9mLLolmBAaFMD9B8FW6wuyKc7HUa21EPyCzGsXA:9m30mWj9UWTNEmSK
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

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 10 IoCs

pid	pid_target	Process	procid_target
1536	4548	WerFault.exe	77
4732	4548	WerFault.exe	77
4400	4548	WerFault.exe	77
1836	4548	WerFault.exe	77
1644	4548	WerFault.exe	77
2168	4548	WerFault.exe	77
1556	4548	WerFault.exe	77
3780	4548	WerFault.exe	77
4504	4548	WerFault.exe	77
1952	4548	WerFault.exe	77

Kills process with taskkill 1 IoCs

evasion

pid	Process
4844	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 4188	4548	47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe	97
PID 4548 wrote to memory of 4188	4548	47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe	97
PID 4548 wrote to memory of 4188	4548	47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe	97
PID 4188 wrote to memory of 4844	4188	cmd.exe	100
PID 4188 wrote to memory of 4844	4188	cmd.exe	100
PID 4188 wrote to memory of 4844	4188	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe
"C:\Users\Admin\AppData\Local\Temp\47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 476
  2⤵
  - Program crash
  PID:1536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 796
  2⤵
  - Program crash
  PID:4732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 796
  2⤵
  - Program crash
  PID:4400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 828
  2⤵
  - Program crash
  PID:1836
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 888
  2⤵
  - Program crash
  PID:1644
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1000
  2⤵
  - Program crash
  PID:2168
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1084
  2⤵
  - Program crash
  PID:1556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1136
  2⤵
  - Program crash
  PID:3780
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1776
  2⤵
  - Program crash
  PID:4504
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4188
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "47e07f48bbd2783955b3f5c89b65570dc2d4ed97b4996c76571f18359fa59b7a.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 488
  2⤵
  - Program crash
  PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4548 -ip 4548
1⤵
PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4548 -ip 4548
1⤵
PID:360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4548 -ip 4548
1⤵
PID:3264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4548 -ip 4548
1⤵
PID:1440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4548 -ip 4548
1⤵
PID:2124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4548 -ip 4548
1⤵
PID:792

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4548 -ip 4548
1⤵
PID:4492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4548 -ip 4548
1⤵
PID:1496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4548 -ip 4548
1⤵
PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4548 -ip 4548
1⤵
PID:4692

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

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Downloads

advdlc[1].htm

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Q6G58NOJ\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/4548-1-0x0000000001D00000-0x0000000001E00000-memory.dmp

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memory/4548-2-0x00000000038F0000-0x000000000392C000-memory.dmp

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memory/4548-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4548-9-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/4548-15-0x0000000000400000-0x0000000001BD8000-memory.dmp

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memory/4548-19-0x0000000001D00000-0x0000000001E00000-memory.dmp

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memory/4548-24-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4548-34-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4548-33-0x0000000000400000-0x0000000001BD8000-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