gcleaner | dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68

General

Target
dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe
Size 307KB
Sample240531-prxt8shf57
SHA256 dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68
MD5 9dc3f76bae48a8f7602b725f5fd7ce06
SHA1 373408e6d800ed4404f10a391fa5718a5c88db21
SHA512 442451bb8ce061ded8097e65ebdb9c446e748eca9840bbd205bfbb86fd07e9b0dd7e4fc28547ab7b1b3410525de6f6bae2841eb40fed40752311cb3217e8ffce
SSDEEP 3072:gYiuYbrWfxnSql2W4vtwsCss1YyX/I3oBXoD/hu1tN05MFB8sFB8Th:gxbqSq2W4FWX13u3u1T0h
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
3044	232	WerFault.exe	78
1584	232	WerFault.exe	78
2920	232	WerFault.exe	78
3592	232	WerFault.exe	78
388	232	WerFault.exe	78
4844	232	WerFault.exe	78
984	232	WerFault.exe	78
4060	232	WerFault.exe	78
1280	232	WerFault.exe	78
4864	232	WerFault.exe	78

Kills process with taskkill 1 IoCs

evasion

pid	Process
2416	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 2268	232	dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe	101
PID 232 wrote to memory of 2268	232	dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe	101
PID 232 wrote to memory of 2268	232	dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe	101
PID 2268 wrote to memory of 2416	2268	cmd.exe	105
PID 2268 wrote to memory of 2416	2268	cmd.exe	105
PID 2268 wrote to memory of 2416	2268	cmd.exe	105

C:\Users\Admin\AppData\Local\Temp\dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe
"C:\Users\Admin\AppData\Local\Temp\dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 476
  2⤵
  - Program crash
  PID:3044
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 800
  2⤵
  - Program crash
  PID:1584
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 808
  2⤵
  - Program crash
  PID:2920
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 856
  2⤵
  - Program crash
  PID:3592
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 864
  2⤵
  - Program crash
  PID:388
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 1000
  2⤵
  - Program crash
  PID:4844
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 1084
  2⤵
  - Program crash
  PID:984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 1104
  2⤵
  - Program crash
  PID:4060
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 1672
  2⤵
  - Program crash
  PID:1280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "dd7c1efdc750e2e27530687372220700df14db0b5e0ff40afb0b91f23eeb7e68.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2416
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 232 -s 492
  2⤵
  - Program crash
  PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 232 -ip 232
1⤵
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 232 -ip 232
1⤵
PID:1540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 232 -ip 232
1⤵
PID:3940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 232 -ip 232
1⤵
PID:3036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 232 -ip 232
1⤵
PID:4576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 232 -ip 232
1⤵
PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 232 -ip 232
1⤵
PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 232 -ip 232
1⤵
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 232 -ip 232
1⤵
PID:488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 232 -ip 232
1⤵
PID:1960

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\Q0WXOB7C\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/232-2-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/232-1-0x0000000001EC0000-0x0000000001FC0000-memory.dmp

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memory/232-3-0x0000000000400000-0x0000000001BC7000-memory.dmp

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memory/232-8-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/232-14-0x0000000000400000-0x0000000001BC7000-memory.dmp

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memory/232-19-0x0000000001EC0000-0x0000000001FC0000-memory.dmp

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memory/232-22-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/232-28-0x0000000000400000-0x0000000001BC7000-memory.dmp

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memory/232-36-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/232-35-0x0000000000400000-0x0000000001BC7000-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