gcleaner | 2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec

General

Target
2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe
Size 393KB
Sample240625-yrsd7asdpp
SHA256 2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec
MD5 55704459d96566a55663437cb1870633
SHA1 11b0727c68e9e842706e6513740ffcdac1ecabf8
SHA512 15938748de3377b6d5e0064d845c5fdb6c578031f1da1049b3a26b9609e83527369327a91d3edf1682afffb8a489bd6e2663eab7214894562ef5f3bfa788ec29
SSDEEP 3072:uLzLixERj5ffY4Q6RDu6Vd8VKjgNh1Cvui6jpO+4MCMuMFRLS7q5Pt4Ltmbf5aKX:OLoETd1N78sEtjY+FXnu7e8mb5Nz
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 9 IoCs

pid	pid_target	Process	procid_target
4816	4396	WerFault.exe	76
4084	4396	WerFault.exe	76
1096	4396	WerFault.exe	76
2944	4396	WerFault.exe	76
3552	4396	WerFault.exe	76
3664	4396	WerFault.exe	76
4052	4396	WerFault.exe	76
2684	4396	WerFault.exe	76
668	4396	WerFault.exe	76

Kills process with taskkill 1 IoCs

evasion

pid	Process
2056	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4396 wrote to memory of 696	4396	2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe	94
PID 4396 wrote to memory of 696	4396	2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe	94
PID 4396 wrote to memory of 696	4396	2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe	94
PID 696 wrote to memory of 2056	696	cmd.exe	97
PID 696 wrote to memory of 2056	696	cmd.exe	97
PID 696 wrote to memory of 2056	696	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe
"C:\Users\Admin\AppData\Local\Temp\2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 484
  2⤵
  - Program crash
  PID:4816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 796
  2⤵
  - Program crash
  PID:4084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 836
  2⤵
  - Program crash
  PID:1096
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 796
  2⤵
  - Program crash
  PID:2944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 888
  2⤵
  - Program crash
  PID:3552
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 1000
  2⤵
  - Program crash
  PID:3664
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 1084
  2⤵
  - Program crash
  PID:4052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 1436
  2⤵
  - Program crash
  PID:2684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:696
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "2954099324f4dbaab7227d543c7fd8df09fb108239cbf76a1f679c31d9b812ec.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 544
  2⤵
  - Program crash
  PID:668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4396 -ip 4396
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4396 -ip 4396
1⤵
PID:3176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4396 -ip 4396
1⤵
PID:1204

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4396 -ip 4396
1⤵
PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4396 -ip 4396
1⤵
PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4396 -ip 4396
1⤵
PID:3384

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4396 -ip 4396
1⤵
PID:3968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4396 -ip 4396
1⤵
PID:428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4396 -ip 4396
1⤵
PID:1592

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\I6I473PF\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/4396-1-0x00000000026C0000-0x00000000027C0000-memory.dmp

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memory/4396-2-0x00000000040A0000-0x00000000040DC000-memory.dmp

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memory/4396-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4396-8-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/4396-14-0x0000000000400000-0x000000000237E000-memory.dmp

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memory/4396-18-0x00000000026C0000-0x00000000027C0000-memory.dmp

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memory/4396-21-0x00000000040A0000-0x00000000040DC000-memory.dmp

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memory/4396-25-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4396-35-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/4396-34-0x0000000000400000-0x000000000237E000-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