gcleaner | 960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f

General

Target

960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
Size

267KB
MD5

9273df3941105736734b0290a252b913
SHA1

cd9e15bedf7268654c83cfc5abed0b64f2dbcbf8
SHA256

960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f
SHA512

a27d816ad9b7ec4ef2d5adb2be2abf585943687d0c9e8855e2dc9b4cab980d91b3b3c359e4d04140461144402a3008f559a292d2159007877a775ca3392aca21
SSDEEP

6144:zVK2RNslSdEjxtpsT0JBhzjO0uYrmxCx:s2ba//wUXO0F

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 9 IoCs

Processes:

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

pid	pid_target	process	target process
4416	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
3044	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
2960	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
4464	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
1076	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
2692	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
860	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
2756	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
3668	796	WerFault.exe	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

5040 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 5040 taskkill.exe

pid	process
5040	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	5040	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.execmd.exe

description	pid	process	target process
PID 796 wrote to memory of 2204	796	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe	cmd.exe
PID 796 wrote to memory of 2204	796	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe	cmd.exe
PID 796 wrote to memory of 2204	796	960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe	cmd.exe
PID 2204 wrote to memory of 5040	2204	cmd.exe	taskkill.exe
PID 2204 wrote to memory of 5040	2204	cmd.exe	taskkill.exe
PID 2204 wrote to memory of 5040	2204	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe
"C:\Users\Admin\AppData\Local\Temp\960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 476
2⤵
- Program crash
PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 796
2⤵
- Program crash
PID:3044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 836
2⤵
- Program crash
PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 872
2⤵
- Program crash
PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 812
2⤵
- Program crash
PID:1076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 1000
2⤵
- Program crash
PID:2692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 1088
2⤵
- Program crash
PID:860

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 1336
2⤵
- Program crash
PID:2756

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:2204

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "960c0bbb7fc3c013fe22b97f33f1d15189136350e25e05c67b9b0eb904ca1d8f.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:5040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 796 -s 488
2⤵
- Program crash
PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 796 -ip 796
1⤵
PID:1688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 796 -ip 796
1⤵
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 796 -ip 796
1⤵
PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 796 -ip 796
1⤵
PID:4652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 796 -ip 796
1⤵
PID:4132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 796 -ip 796
1⤵
PID:1684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 796 -ip 796
1⤵
PID:3576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 796 -ip 796
1⤵
PID:2496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 796 -ip 796
1⤵
PID:848

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/796-1-0x00000000024A0000-0x00000000025A0000-memory.dmp

Filesize
1024KB

Download
memory/796-2-0x00000000040A0000-0x00000000040DC000-memory.dmp

Filesize
240KB

Download
memory/796-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/796-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/796-6-0x0000000000400000-0x000000000235F000-memory.dmp

Filesize
31.4MB

Download

Analysis

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