gcleaner | 6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad

General

Target

6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
Size

400KB
MD5

0eec5f8386be524d1640d405c8d88d0c
SHA1

cd5795af2275eebadcde6dc68ffddb67a41b3a53
SHA256

6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad
SHA512

67f0229bc454d778391dc40ea29817e362d1b6efafc4d042c2ec93bff8b109adf7d78b91dbd070db7f4ba9e24993dc4423d1ce377bf32525e5cd14a353291aef
SSDEEP

6144:2xLfWtTGQlHGOg0mtx1fsr4x6ZN9iBMXuPg2X:kjCTG/30S3fNoZbzn

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

System Information Discovery
T1082

Program crash 9 IoCs

Processes:

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

pid	pid_target	process	target process
4252	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
2868	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
3620	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
4808	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
400	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
1976	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
3272	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
2808	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
4864	4756	WerFault.exe	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

432 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 432 taskkill.exe

pid	process
432	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	432	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.execmd.exe

description	pid	process	target process
PID 4756 wrote to memory of 2680	4756	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe	cmd.exe
PID 4756 wrote to memory of 2680	4756	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe	cmd.exe
PID 4756 wrote to memory of 2680	4756	6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe	cmd.exe
PID 2680 wrote to memory of 432	2680	cmd.exe	taskkill.exe
PID 2680 wrote to memory of 432	2680	cmd.exe	taskkill.exe
PID 2680 wrote to memory of 432	2680	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe
"C:\Users\Admin\AppData\Local\Temp\6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 480
2⤵
- Program crash
PID:4252

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 796
2⤵
- Program crash
PID:2868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 816
2⤵
- Program crash
PID:3620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 796
2⤵
- Program crash
PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 868
2⤵
- Program crash
PID:400

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1000
2⤵
- Program crash
PID:1976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1008
2⤵
- Program crash
PID:3272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1804
2⤵
- Program crash
PID:2808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2680

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "6967336154b8873d95da2ad1f20d99d66365dabc73ec3844141d76234afeb0ad.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1756
2⤵
- Program crash
PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4756 -ip 4756
1⤵
PID:240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4756 -ip 4756
1⤵
PID:2308

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4756 -ip 4756
1⤵
PID:972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4756 -ip 4756
1⤵
PID:1972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4756 -ip 4756
1⤵
PID:3104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4756 -ip 4756
1⤵
PID:1436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4756 -ip 4756
1⤵
PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4756 -ip 4756
1⤵
PID:496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4756 -ip 4756
1⤵
PID:4968

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\NDYWT7Z5\advdlc[1].htm
Filesize
1B

MD5
cfcd208495d565ef66e7dff9f98764da

SHA1
b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

SHA256
5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

SHA512
31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

Download Submit
memory/4756-1-0x00000000029C0000-0x0000000002AC0000-memory.dmp

Filesize
1024KB

Download
memory/4756-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4756-2-0x0000000004460000-0x000000000449C000-memory.dmp

Filesize
240KB

Download
memory/4756-8-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/4756-15-0x0000000000400000-0x0000000002751000-memory.dmp

Filesize
35.3MB

Download
memory/4756-19-0x00000000029C0000-0x0000000002AC0000-memory.dmp

Filesize
1024KB

Download
memory/4756-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4756-34-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/4756-33-0x0000000000400000-0x0000000002751000-memory.dmp

Filesize
35.3MB

Download

Analysis

Sharing