gcleaner | 35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b

General

Target

35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
Size

387KB
MD5

d20fd5dc9eeb64b6c849162539571883
SHA1

eb91e0b4ab4cd6be0e53a3793e9142d2e9c80deb
SHA256

35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b
SHA512

a73ff50b45cf79362b25f01ee4f5e35e452f73e7ff581f14edd3807df7e4a5e09c4a2851281b8136ec6d576fe124fda42e5e81438b67c0160d40314f9c3d5de4
SSDEEP

6144:0JL3thLANC3cHLEENBanAfHHJ8+1wKpUz+1w0VFeW:0jtdb3crjvmAfH9wj8X

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
1832	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
4620	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
3628	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
2168	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
3620	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
1452	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
4684	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
4052	3608	WerFault.exe	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3808 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3808 taskkill.exe

pid	process
3808	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3808	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.execmd.exe

description	pid	process	target process
PID 3608 wrote to memory of 3204	3608	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe	cmd.exe
PID 3608 wrote to memory of 3204	3608	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe	cmd.exe
PID 3608 wrote to memory of 3204	3608	35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe	cmd.exe
PID 3204 wrote to memory of 3808	3204	cmd.exe	taskkill.exe
PID 3204 wrote to memory of 3808	3204	cmd.exe	taskkill.exe
PID 3204 wrote to memory of 3808	3204	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe
"C:\Users\Admin\AppData\Local\Temp\35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 764
2⤵
- Program crash
PID:1832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 812
2⤵
- Program crash
PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 844
2⤵
- Program crash
PID:3628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 1000
2⤵
- Program crash
PID:2168

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 960
2⤵
- Program crash
PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 1116
2⤵
- Program crash
PID:1452

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 1156
2⤵
- Program crash
PID:4684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3608 -s 1456
2⤵
- Program crash
PID:4052

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:3204

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "35eb1a2c661c40fed578529df4e2594f0b2aa5da5ea5b6fb4bf2477036106f5b.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3808

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\E49JWOHD\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/3608-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3608-2-0x0000000001C40000-0x0000000001C6D000-memory.dmp

Filesize
180KB

Download
memory/3608-1-0x0000000001E60000-0x0000000001F60000-memory.dmp

Filesize
1024KB

Download
memory/3608-6-0x0000000000400000-0x0000000001BDC000-memory.dmp

Filesize
23.9MB

Download
memory/3608-9-0x0000000001E60000-0x0000000001F60000-memory.dmp

Filesize
1024KB

Download
memory/3608-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3608-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3608-22-0x0000000000400000-0x0000000001BDC000-memory.dmp

Filesize
23.9MB

Download

Analysis

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