gcleaner | b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e

General

Target

b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
Size

319KB
MD5

d030c03304a6bc22676fd347a1136608
SHA1

3d5c292674729a0d379b9be91f46f7169225f54c
SHA256

b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e
SHA512

13110ce8c8e54b093d9598b12362184a946abe9ef1f8405a6ee89537ad426bde0a57c6d3a0fbd46f89f2fb4e36f78bd71966fb9c867f3c1701b250700e33e307
SSDEEP

6144:8xO8CtmKkcVXG5vqNjNe2swUwCn2KIbk7LWT:x8Ckcc5iNP7oa

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
4216	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
4904	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
3572	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
3936	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
3436	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
2964	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
1164	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
3352	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
4808	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
2036	3624	WerFault.exe	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe

Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

472 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 472 taskkill.exe

pid	process
472	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	472	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.execmd.exe

description	pid	process	target process
PID 3624 wrote to memory of 4960	3624	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe	cmd.exe
PID 3624 wrote to memory of 4960	3624	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe	cmd.exe
PID 3624 wrote to memory of 4960	3624	b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe	cmd.exe
PID 4960 wrote to memory of 472	4960	cmd.exe	taskkill.exe
PID 4960 wrote to memory of 472	4960	cmd.exe	taskkill.exe
PID 4960 wrote to memory of 472	4960	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe
"C:\Users\Admin\AppData\Local\Temp\b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 488
2⤵
- Program crash
PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 532
2⤵
- Program crash
PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 780
2⤵
- Program crash
PID:3572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 800
2⤵
- Program crash
PID:3936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 800
2⤵
- Program crash
PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 852
2⤵
- Program crash
PID:2964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 984
2⤵
- Program crash
PID:1164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 1072
2⤵
- Program crash
PID:3352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 1444
2⤵
- Program crash
PID:4808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:4960

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "b48df173fd8874b9355216c970640c84fde976f8caefee23824135aff29e734e.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:472

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 1348
2⤵
- Program crash
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3624 -ip 3624
1⤵
PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3624 -ip 3624
1⤵
PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3624 -ip 3624
1⤵
PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3624 -ip 3624
1⤵
PID:4112

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3624 -ip 3624
1⤵
PID:952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3624 -ip 3624
1⤵
PID:4856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3624 -ip 3624
1⤵
PID:1764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3624 -ip 3624
1⤵
PID:4844

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3624 -ip 3624
1⤵
PID:3736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3624 -ip 3624
1⤵
PID:1856

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/3624-1-0x0000000003010000-0x0000000003110000-memory.dmp

Filesize
1024KB

Download
memory/3624-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3624-2-0x00000000049F0000-0x0000000004A2C000-memory.dmp

Filesize
240KB

Download
memory/3624-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3624-6-0x0000000000400000-0x0000000002CAD000-memory.dmp

Filesize
40.7MB

Download

Analysis

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