gcleaner | ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c

General

Target

ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
Size

292KB
MD5

4a8ff4e266c45f7f91d6411aa29fa31d
SHA1

ca25598b55add2850734bb82d3f0ff6bce67563d
SHA256

ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c
SHA512

914a83a8187f0c4031450e4cc558965015b9f9520aad9868ebbefa7e1e329bfd3a496680f57986b86e335d9e50e5e9d2844ab4c165f537a50aeb7e5a38b6fee3
SSDEEP

3072:CKSELGd8CTrCbL6aS6hhRKI1YUfAEGJL7ExGxPDalxDTIfQ5NUSSSSSSSZr:dfLC8CX5a7jYuAEeDPyDTTUSSSSSSSh

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

System Information Discovery
T1082

Program crash 8 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
196	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
4540	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
4232	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
4424	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
2136	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
2296	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
2364	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
2952	3188	WerFault.exe	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

708 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 708 taskkill.exe

pid	process
708	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	708	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.execmd.exe

description	pid	process	target process
PID 3188 wrote to memory of 1848	3188	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe	cmd.exe
PID 3188 wrote to memory of 1848	3188	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe	cmd.exe
PID 3188 wrote to memory of 1848	3188	ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe	cmd.exe
PID 1848 wrote to memory of 708	1848	cmd.exe	taskkill.exe
PID 1848 wrote to memory of 708	1848	cmd.exe	taskkill.exe
PID 1848 wrote to memory of 708	1848	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe
"C:\Users\Admin\AppData\Local\Temp\ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 764
2⤵
- Program crash
PID:196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 776
2⤵
- Program crash
PID:4540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 844
2⤵
- Program crash
PID:4232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 888
2⤵
- Program crash
PID:4424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 976
2⤵
- Program crash
PID:2136

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 1096
2⤵
- Program crash
PID:2296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 1128
2⤵
- Program crash
PID:2364

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3188 -s 1376
2⤵
- Program crash
PID:2952

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1848

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ecdacbe813a176ef0be4cf5d421cd08d9940ac7f343e20a2bd66079a7a43f14c.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:708

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OHP8MVFQ\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3188-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3188-1-0x0000000001D50000-0x0000000001E50000-memory.dmp

Filesize
1024KB

Download
memory/3188-2-0x00000000037F0000-0x000000000381D000-memory.dmp

Filesize
180KB

Download
memory/3188-9-0x0000000000400000-0x0000000001BC5000-memory.dmp

Filesize
23.8MB

Download
memory/3188-12-0x0000000001D50000-0x0000000001E50000-memory.dmp

Filesize
1024KB

Download
memory/3188-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3188-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3188-21-0x0000000000400000-0x0000000001BC5000-memory.dmp

Filesize
23.8MB

Download

Analysis

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