gcleaner | 624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c

General

Target

624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
Size

275KB
MD5

b8affe7ee3200536b86ef7ca42777779
SHA1

2a6131a362a0fd88093487a40415e9467cc3352f
SHA256

624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c
SHA512

b74c3d7f28c6092312960f0857abe68af089f5d678d3a6ed2cb7d6c74a7b6c362dbf89961d745041405e0d73b66bd80e17b71184f205bb60d01507d9c7c5169c
SSDEEP

6144:RPSV1TCZg3UX5qkYJYwyaK/3NKGZ/q+yoy9MvC:M/SgEXApYwyaK1MF9Ma

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.64.56

185.172.128.69

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 10 IoCs

Processes:

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

pid	pid_target	process	target process
3312	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
3872	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
4744	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
4740	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
3624	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
968	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
4412	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
4440	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
1948	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
3008	2624	WerFault.exe	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1288 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1288 taskkill.exe

pid	process
1288	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1288	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.execmd.exe

description	pid	process	target process
PID 2624 wrote to memory of 2256	2624	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe	cmd.exe
PID 2624 wrote to memory of 2256	2624	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe	cmd.exe
PID 2624 wrote to memory of 2256	2624	624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe	cmd.exe
PID 2256 wrote to memory of 1288	2256	cmd.exe	taskkill.exe
PID 2256 wrote to memory of 1288	2256	cmd.exe	taskkill.exe
PID 2256 wrote to memory of 1288	2256	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe
"C:\Users\Admin\AppData\Local\Temp\624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 484
2⤵
- Program crash
PID:3312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 488
2⤵
- Program crash
PID:3872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 780
2⤵
- Program crash
PID:4744

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 820
2⤵
- Program crash
PID:4740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 820
2⤵
- Program crash
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 840
2⤵
- Program crash
PID:968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 960
2⤵
- Program crash
PID:4412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 1068
2⤵
- Program crash
PID:4440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 1460
2⤵
- Program crash
PID:1948

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2256

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "624d909e07e22de49fbab256ed70dd82892f38aea3f62d80783a4a0d6bda2a6c.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 1520
2⤵
- Program crash
PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2624 -ip 2624
1⤵
PID:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2624 -ip 2624
1⤵
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2624 -ip 2624
1⤵
PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2624 -ip 2624
1⤵
PID:4612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2624 -ip 2624
1⤵
PID:2460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2624 -ip 2624
1⤵
PID:1664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2624 -ip 2624
1⤵
PID:992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2624 -ip 2624
1⤵
PID:2184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2624 -ip 2624
1⤵
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2624 -ip 2624
1⤵
PID:2288

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/2624-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/2624-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Filesize
240KB

Download
memory/2624-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2624-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2624-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Filesize
40.6MB

Download

Analysis

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