gcleaner | d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f

General

Target
d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe
Size 275KB
Sample240531-vrp3aafa2v
SHA256 d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f
MD5 238df9f29ddbf2d1708ce408193ad6e6
SHA1 27053db3ecc6cb3d25b85841c9dc15ff1466bdea
SHA512 cf358ea0e040325e6f5cfb97c6ab5ee97a5e532a69675a4e1e5d93016d6dce654c9cd94824de3a39153227972b70beaa439640b6e664c3c0d1ea28343867c117
SSDEEP 3072:wsgnT+opbqa2X7CFFS0CEdP+uyrX3gcV8NTvS5UhczXczb/IYE:w3JHYkFGEd4X3VUv2S5E
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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.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
1436	2816	WerFault.exe	81
4048	2816	WerFault.exe	81
2128	2816	WerFault.exe	81
1916	2816	WerFault.exe	81
1536	2816	WerFault.exe	81
1648	2816	WerFault.exe	81
3588	2816	WerFault.exe	81
636	2816	WerFault.exe	81

Kills process with taskkill 1 IoCs

evasion

pid	Process
2440	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2440	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 3216	2816	d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe	108
PID 2816 wrote to memory of 3216	2816	d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe	108
PID 2816 wrote to memory of 3216	2816	d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe	108
PID 3216 wrote to memory of 2440	3216	cmd.exe	112
PID 3216 wrote to memory of 2440	3216	cmd.exe	112
PID 3216 wrote to memory of 2440	3216	cmd.exe	112

C:\Users\Admin\AppData\Local\Temp\d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe
"C:\Users\Admin\AppData\Local\Temp\d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 744
  2⤵
  - Program crash
  PID:1436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 752
  2⤵
  - Program crash
  PID:4048
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 752
  2⤵
  - Program crash
  PID:2128
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 836
  2⤵
  - Program crash
  PID:1916
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 904
  2⤵
  - Program crash
  PID:1536
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 980
  2⤵
  - Program crash
  PID:1648
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 1340
  2⤵
  - Program crash
  PID:3588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3216
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d3e8b56980294c8395a840622e1e13f9c72805f8c780589ccf9c444c80afe16f.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2816 -s 1460
  2⤵
  - Program crash
  PID:636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2816 -ip 2816
1⤵
PID:1136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2816 -ip 2816
1⤵
PID:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2816 -ip 2816
1⤵
PID:996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2816 -ip 2816
1⤵
PID:632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2816 -ip 2816
1⤵
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2816 -ip 2816
1⤵
PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2816 -ip 2816
1⤵
PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 2816 -ip 2816
1⤵
PID:3520

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\DD719OCW\advdlc[1].htm
Size 1B
SHA256 5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
MD5 cfcd208495d565ef66e7dff9f98764da
SHA1 b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA512 31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
MD5 SHA1 SHA512

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memory/2816-2-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2816-1-0x0000000001C20000-0x0000000001D20000-memory.dmp

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memory/2816-3-0x0000000000400000-0x0000000001BBF000-memory.dmp

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memory/2816-8-0x0000000000400000-0x0000000001BBF000-memory.dmp

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memory/2816-11-0x0000000001C20000-0x0000000001D20000-memory.dmp

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memory/2816-14-0x0000000000400000-0x000000000042F000-memory.dmp

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memory/2816-22-0x0000000000400000-0x0000000001BBF000-memory.dmp

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memory/2816-23-0x0000000000400000-0x000000000042F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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