gcleaner | c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2

General

Target
c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe
Size 362KB
Sample240621-a63lpsyajk
SHA256 c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2
MD5 bcb19d0d8c67d09189350dcb304bcad8
SHA1 8ee52d59f418ef462835ce99036feaefde6782a7
SHA512 bff7a51690dbc79c8d5813568bea718da50ef450d6c5fd681b3432d7ea31e47e80e0e0cd8caeb1921107cf11b86935f07606f9d7971776ba05b87e161b0ab2c5
SSDEEP 6144:Vc6L1LQgGOtgTd69zyGVIu/EiRZd4J1BJ1QPg2X:T5kgGOtSdayQIGrRZ6Bp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90
185.172.128.69

Attributes

url_path
/advdlc.php

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

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-1-5-21-4204450073-1267028356-951339405-1000\Control Panel\International\Geo\Nation	c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe

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
208	1516	WerFault.exe	81
568	1516	WerFault.exe	81
2392	1516	WerFault.exe	81
3012	1516	WerFault.exe	81
1600	1516	WerFault.exe	81
2512	1516	WerFault.exe	81
4912	1516	WerFault.exe	81
4476	1516	WerFault.exe	81
4356	1516	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
1984	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 3992	1516	c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe	112
PID 1516 wrote to memory of 3992	1516	c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe	112
PID 1516 wrote to memory of 3992	1516	c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe	112
PID 3992 wrote to memory of 1984	3992	cmd.exe	116
PID 3992 wrote to memory of 1984	3992	cmd.exe	116
PID 3992 wrote to memory of 1984	3992	cmd.exe	116

C:\Users\Admin\AppData\Local\Temp\c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe
"C:\Users\Admin\AppData\Local\Temp\c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 740
  2⤵
  - Program crash
  PID:208
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 748
  2⤵
  - Program crash
  PID:568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 792
  2⤵
  - Program crash
  PID:2392
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 800
  2⤵
  - Program crash
  PID:3012
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 904
  2⤵
  - Program crash
  PID:1600
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1004
  2⤵
  - Program crash
  PID:2512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1060
  2⤵
  - Program crash
  PID:4912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1344
  2⤵
  - Program crash
  PID:4476
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3992
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "c9d8503b7fc83720447ab6f5bb00c2844417eb415129af3438f9f933f43d44c2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1984
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1516 -s 1404
  2⤵
  - Program crash
  PID:4356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1516 -ip 1516
1⤵
PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1516 -ip 1516
1⤵
PID:2008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1516 -ip 1516
1⤵
PID:5032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1516 -ip 1516
1⤵
PID:2920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1516 -ip 1516
1⤵
PID:3972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1516 -ip 1516
1⤵
PID:1812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1516 -ip 1516
1⤵
PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1516 -ip 1516
1⤵
PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1516 -ip 1516
1⤵
PID:4620

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\RYAG7OSV\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

Submit Download

memory/1516-2-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1516-1-0x0000000002760000-0x0000000002860000-memory.dmp

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memory/1516-3-0x0000000000400000-0x0000000002747000-memory.dmp

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memory/1516-8-0x0000000000400000-0x0000000002747000-memory.dmp

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memory/1516-12-0x0000000002760000-0x0000000002860000-memory.dmp

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memory/1516-14-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/1516-21-0x0000000000400000-0x0000000002747000-memory.dmp

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memory/1516-22-0x0000000000400000-0x000000000042F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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