gcleaner | c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2

General

Target

c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe
Size

222KB
MD5

2256f9ad822d36b19d38a33242049988
SHA1

adf2754bf11c0d714b9bb3cb43b0e2fb820ebd05
SHA256

c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2
SHA512

a1a65e79b59f8cf2986c5c490d72edcbf55c0a9fe548013dc7ab60458fa6e729e39b596b810fcad7a018fab911222f09291ff2a4d23461604dafa10aa71172b7
SSDEEP

3072:6RuLMBsrDdxmxsGtHJzOAmXSPrCDdackcFw3J9TIkPA8W8Pa56Q0hB4LzAMnbxHP:LLYsaVjPkdackcFfkP55jHETF

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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 8 IoCs

pid	pid_target	Process	procid_target
4980	2732	WerFault.exe	82
3488	2732	WerFault.exe	82
2736	2732	WerFault.exe	82
1328	2732	WerFault.exe	82
472	2732	WerFault.exe	82
4544	2732	WerFault.exe	82
1940	2732	WerFault.exe	82
4568	2732	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
4912	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4912	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 1856	2732	c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe	104
PID 2732 wrote to memory of 1856	2732	c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe	104
PID 2732 wrote to memory of 1856	2732	c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe	104
PID 1856 wrote to memory of 4912	1856	cmd.exe	108
PID 1856 wrote to memory of 4912	1856	cmd.exe	108
PID 1856 wrote to memory of 4912	1856	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe
"C:\Users\Admin\AppData\Local\Temp\c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 748
  2⤵
  - Program crash
  PID:4980
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 732
  2⤵
  - Program crash
  PID:3488
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 748
  2⤵
  - Program crash
  PID:2736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 824
  2⤵
  - Program crash
  PID:1328
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 904
  2⤵
  - Program crash
  PID:472
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 912
  2⤵
  - Program crash
  PID:4544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 1340
  2⤵
  - Program crash
  PID:1940
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1856
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "c8143dee4a9f37b2414be0e924a3069f46d122d9be8cb94e8ef119eeef10d4f2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 1460
  2⤵
  - Program crash
  PID:4568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2732 -ip 2732
1⤵
PID:2472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2732 -ip 2732
1⤵
PID:2176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2732 -ip 2732
1⤵
PID:5048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2732 -ip 2732
1⤵
PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2732 -ip 2732
1⤵
PID:852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2732 -ip 2732
1⤵
PID:736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2732 -ip 2732
1⤵
PID:3920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2732 -ip 2732
1⤵
PID:3428

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\R9TFLRJ7\advdlc[1].htm

Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/2732-1-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2732-2-0x00000000020E0000-0x000000000210D000-memory.dmp

Filesize
180KB

Download
memory/2732-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2732-7-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/2732-14-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2732-15-0x00000000020E0000-0x000000000210D000-memory.dmp

Filesize
180KB

Download
memory/2732-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2732-22-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/2732-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing