gcleaner | ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64

General

Target

ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
Size

293KB
MD5

3fa7d706bc454825143f16e01ac3a1bb
SHA1

96ddd3ca9af68c938de16ac55fd286a7cf44e782
SHA256

ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64
SHA512

d4d349b3f40535e79997c3ec18caa202164e26ff167aa85b81d52ea805a8804a450209c5cae6495a4518fe761ef5a6278ecf53c88c83155c1c61cee101afea8d
SSDEEP

3072:mLjEvw617PwTBXWjFGT4YpBiF+6J4zTBJ3a2mGYiv05ZxKauhEh:T17aBGjFg4YpBiF+6yzDK1ioxKauQ

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

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
2052	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
4112	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
1520	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
3456	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
3196	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
2760	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
1588	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
4360	8	WerFault.exe	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1100 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1100 taskkill.exe

pid	process
1100	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1100	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.execmd.exe

description	pid	process	target process
PID 8 wrote to memory of 1324	8	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe	cmd.exe
PID 8 wrote to memory of 1324	8	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe	cmd.exe
PID 8 wrote to memory of 1324	8	ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe	cmd.exe
PID 1324 wrote to memory of 1100	1324	cmd.exe	taskkill.exe
PID 1324 wrote to memory of 1100	1324	cmd.exe	taskkill.exe
PID 1324 wrote to memory of 1100	1324	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe
"C:\Users\Admin\AppData\Local\Temp\ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:8

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 772
2⤵
- Program crash
PID:2052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 780
2⤵
- Program crash
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 804
2⤵
- Program crash
PID:1520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 844
2⤵
- Program crash
PID:3456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 952
2⤵
- Program crash
PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 956
2⤵
- Program crash
PID:2760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 1420
2⤵
- Program crash
PID:1588

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ef0dda851eccd4bdd9311d9299a679639299683ec4e6741ff0ce2b0366108d64.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 1496
2⤵
- Program crash
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 8 -ip 8
1⤵
PID:1468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 8 -ip 8
1⤵
PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 8 -ip 8
1⤵
PID:1680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 8 -ip 8
1⤵
PID:4008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 8 -ip 8
1⤵
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 8 -ip 8
1⤵
PID:2988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 8 -ip 8
1⤵
PID:3908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 8 -ip 8
1⤵
PID:4396

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

memory/8-1-0x0000000000B90000-0x0000000000C90000-memory.dmp

Filesize
1024KB

Download
memory/8-2-0x00000000026B0000-0x00000000026DD000-memory.dmp

Filesize
180KB

Download
memory/8-3-0x0000000000400000-0x000000000084A000-memory.dmp

Filesize
4.3MB

Download
memory/8-5-0x0000000000400000-0x000000000084A000-memory.dmp

Filesize
4.3MB

Download
memory/8-6-0x00000000026B0000-0x00000000026DD000-memory.dmp

Filesize
180KB

Download

Analysis

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