gcleaner | 97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347

General

Target
97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe
Size 383KB
Sample240615-pttwcsvbqq
SHA256 97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347
MD5 6464b510554ea72632d2b746b91d8744
SHA1 b50afb7dc6fd024514d5416bb82b8bce5ee6c3fa
SHA512 e2461beed333a1c586847fac6c147faa831712eddb45dc1cf515a9e2314c84e23b377fafbf9024c0cb13ca50d1fccc5051ccb4e4ef917ab80a053ed1dda26e82
SSDEEP 6144:LFbun5sFf+48TQHOMTGXHWsegZ3pIIl9mFIOujTh:L8nSFf+NUuMTGfZ3mIl9E/s
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe

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
1160	2668	WerFault.exe	81
2472	2668	WerFault.exe	81
3632	2668	WerFault.exe	81
1748	2668	WerFault.exe	81
3804	2668	WerFault.exe	81
4612	2668	WerFault.exe	81
4628	2668	WerFault.exe	81
4364	2668	WerFault.exe	81
3636	2668	WerFault.exe	81
3028	2668	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
1284	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 3476	2668	97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe	106
PID 2668 wrote to memory of 3476	2668	97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe	106
PID 2668 wrote to memory of 3476	2668	97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe	106
PID 3476 wrote to memory of 1284	3476	cmd.exe	110
PID 3476 wrote to memory of 1284	3476	cmd.exe	110
PID 3476 wrote to memory of 1284	3476	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe
"C:\Users\Admin\AppData\Local\Temp\97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 456
  2⤵
  - Program crash
  PID:1160
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 484
  2⤵
  - Program crash
  PID:2472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 748
  2⤵
  - Program crash
  PID:3632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 788
  2⤵
  - Program crash
  PID:1748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 788
  2⤵
  - Program crash
  PID:3804
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 828
  2⤵
  - Program crash
  PID:4612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 912
  2⤵
  - Program crash
  PID:4628
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 1008
  2⤵
  - Program crash
  PID:4364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 1560
  2⤵
  - Program crash
  PID:3636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3476
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "97a9979446cbbcf6d30c4aeca48080714813f84cba13b3fd84dea368989ae347.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2668 -s 1612
  2⤵
  - Program crash
  PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2668 -ip 2668
1⤵
PID:2208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2668 -ip 2668
1⤵
PID:4308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2668 -ip 2668
1⤵
PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2668 -ip 2668
1⤵
PID:2876

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2668 -ip 2668
1⤵
PID:3168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2668 -ip 2668
1⤵
PID:1388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2668 -ip 2668
1⤵
PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2668 -ip 2668
1⤵
PID:1620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2668 -ip 2668
1⤵
PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2668 -ip 2668
1⤵
PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\8Z1Z4637\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/2668-2-0x0000000000600000-0x000000000063C000-memory.dmp

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memory/2668-1-0x00000000006A0000-0x00000000007A0000-memory.dmp

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memory/2668-3-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2668-8-0x0000000010000000-0x000000001001C000-memory.dmp

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memory/2668-14-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/2668-18-0x00000000006A0000-0x00000000007A0000-memory.dmp

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memory/2668-22-0x0000000000600000-0x000000000063C000-memory.dmp

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memory/2668-25-0x0000000000400000-0x0000000000440000-memory.dmp

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memory/2668-35-0x0000000000400000-0x000000000046F000-memory.dmp

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memory/2668-36-0x0000000000400000-0x0000000000440000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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