gcleaner | f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779

General

Target

f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
Size

290KB
MD5

2b14fbbc19303ce96a67bd452ad2fbc8
SHA1

74a4978ddd2cac8e06ef471ca67ae5e61defbb8c
SHA256

f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779
SHA512

e6534dc14e1f3d3990409d25567899da2bcd543669e39182ccb250c038e615e04d24231ecb64df6b82477af1b8b6d90f4dccba828ece84e4758c2c68ead4fdeb
SSDEEP

3072:2MKmbp7fIEhvrIy54O7+0kcYsNQnTfQxusMq3IXw9uqR4l5wP9HCL65WBxGX+hpR:sm97QQMy2UeTYAlP3yihBxv9EN2T

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 11 IoCs

Processes:

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

pid	pid_target	process	target process
1092	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
3000	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
5060	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
1372	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
2440	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
4088	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
5012	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
4036	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
1628	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
3116	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
4516	408	WerFault.exe	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

2244 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2244 taskkill.exe

pid	process
2244	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2244	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.execmd.exe

description	pid	process	target process
PID 408 wrote to memory of 4104	408	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe	cmd.exe
PID 408 wrote to memory of 4104	408	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe	cmd.exe
PID 408 wrote to memory of 4104	408	f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe	cmd.exe
PID 4104 wrote to memory of 2244	4104	cmd.exe	taskkill.exe
PID 4104 wrote to memory of 2244	4104	cmd.exe	taskkill.exe
PID 4104 wrote to memory of 2244	4104	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe
"C:\Users\Admin\AppData\Local\Temp\f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 368
2⤵
- Program crash
PID:1092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 516
2⤵
- Program crash
PID:3000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 780
2⤵
- Program crash
PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 788
2⤵
- Program crash
PID:1372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 820
2⤵
- Program crash
PID:2440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 868
2⤵
- Program crash
PID:4088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 964
2⤵
- Program crash
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 956
2⤵
- Program crash
PID:4036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 1124
2⤵
- Program crash
PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 1396
2⤵
- Program crash
PID:3116

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4104

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f45bbbaa2fae3d163f04125fa324b403bb11a4d7b588a8c72fccbeb988655779.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2244

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 1488
2⤵
- Program crash
PID:4516

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 408 -ip 408
1⤵
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 408 -ip 408
1⤵
PID:3888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 408 -ip 408
1⤵
PID:5068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 408 -ip 408
1⤵
PID:1300

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 408 -ip 408
1⤵
PID:1112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 408 -ip 408
1⤵
PID:2916

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 408 -ip 408
1⤵
PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 408 -ip 408
1⤵
PID:3544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 408 -ip 408
1⤵
PID:1176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 408 -ip 408
1⤵
PID:1172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 408 -ip 408
1⤵
PID:2108

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/408-1-0x0000000002E20000-0x0000000002F20000-memory.dmp

Filesize
1024KB

Download
memory/408-2-0x00000000049D0000-0x0000000004A0C000-memory.dmp

Filesize
240KB

Download
memory/408-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/408-6-0x0000000000400000-0x0000000002CA7000-memory.dmp

Filesize
40.7MB

Download
memory/408-9-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/408-8-0x00000000049D0000-0x0000000004A0C000-memory.dmp

Filesize
240KB

Download
memory/408-7-0x0000000000400000-0x0000000002CA7000-memory.dmp

Filesize
40.7MB

Download

Analysis

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