gcleaner | e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b

General

Target

e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
Size

319KB
MD5

45298f591b293c7f4f1758856a2f492c
SHA1

5e0ba92446537b72eed4aef522bfb22e2ba6fbf5
SHA256

e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b
SHA512

a534b17db5c016c4414c41629ab3cd0d3478b5e154e8439d93dd3b57cf5d1250f1ce6fdf2a5937ac0a2b2f3ba311b649f66bd6febba6f78dc7f7ff55a8b5cffa
SSDEEP

6144:9xusY2c2YKiRVL+fP4aK0CW743OZ7LWT:6s82MRFRajCW7Eoa

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
4912	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
424	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
4328	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
2888	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
3236	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
1872	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
3220	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
932	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
4456	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
836	3516	WerFault.exe	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1028 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1028 taskkill.exe

pid	process
1028	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1028	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.execmd.exe

description	pid	process	target process
PID 3516 wrote to memory of 1476	3516	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe	cmd.exe
PID 3516 wrote to memory of 1476	3516	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe	cmd.exe
PID 3516 wrote to memory of 1476	3516	e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe	cmd.exe
PID 1476 wrote to memory of 1028	1476	cmd.exe	taskkill.exe
PID 1476 wrote to memory of 1028	1476	cmd.exe	taskkill.exe
PID 1476 wrote to memory of 1028	1476	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe
"C:\Users\Admin\AppData\Local\Temp\e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 468
2⤵
- Program crash
PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 520
2⤵
- Program crash
PID:424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 780
2⤵
- Program crash
PID:4328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 820
2⤵
- Program crash
PID:2888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 860
2⤵
- Program crash
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 820
2⤵
- Program crash
PID:1872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 984
2⤵
- Program crash
PID:3220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 1068
2⤵
- Program crash
PID:932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 1452
2⤵
- Program crash
PID:4456

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1476

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "e03c449fc1b2b996430377935b9f53381a1e71dab6c2d0f41bee0e398ac5806b.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3516 -s 1512
2⤵
- Program crash
PID:836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3516 -ip 3516
1⤵
PID:4732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3516 -ip 3516
1⤵
PID:1636

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3516 -ip 3516
1⤵
PID:2872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3516 -ip 3516
1⤵
PID:2016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3516 -ip 3516
1⤵
PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3516 -ip 3516
1⤵
PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3516 -ip 3516
1⤵
PID:4928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3516 -ip 3516
1⤵
PID:4760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3516 -ip 3516
1⤵
PID:3592

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3516 -ip 3516
1⤵
PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3516-1-0x0000000002FD0000-0x00000000030D0000-memory.dmp

Filesize
1024KB

Download
memory/3516-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3516-2-0x00000000049B0000-0x00000000049EC000-memory.dmp

Filesize
240KB

Download
memory/3516-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3516-6-0x0000000000400000-0x0000000002CAD000-memory.dmp

Filesize
40.7MB

Download

Analysis

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