gcleaner | ea0a69fb6f1d0394dc98405912e438f7206f9996d0d2ef3c00a9fb6fe5846919

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2023, 22:30

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General

Target
e70b578e92748def527de53c69df4b25.exe
Size 261KB
Sample230213-2esqzagg65
SHA256 ea0a69fb6f1d0394dc98405912e438f7206f9996d0d2ef3c00a9fb6fe5846919
MD5 e70b578e92748def527de53c69df4b25
SHA1 b53b5ad6d683250069a8416c46870b96f9c8bd3e
SHA512 7d4377e9f1162f39eb162b18eeb3a2044f0b2e5d056b44670193469ec0b567791fa683cec1d0ad7d31d4a8e9ac6e77bb15ff04d64dc6a3fa148b31ec6a293123
SSDEEP 6144:g0FSl9wV9AfbmVFDWg6HcK21S7sL57WtWYCgN:g088V9ADmVFCg+Z2M7ySpC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	e70b578e92748def527de53c69df4b25.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
4228	2264	WerFault.exe	82
3376	2264	WerFault.exe	82
5092	2264	WerFault.exe	82
3420	2264	WerFault.exe	82
4244	2264	WerFault.exe	82
592	2264	WerFault.exe	82
4552	2264	WerFault.exe	82

Kills process with taskkill 1 IoCs

evasion

pid	Process
4304	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4304	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 4116	2264	e70b578e92748def527de53c69df4b25.exe	96
PID 2264 wrote to memory of 4116	2264	e70b578e92748def527de53c69df4b25.exe	96
PID 2264 wrote to memory of 4116	2264	e70b578e92748def527de53c69df4b25.exe	96
PID 4116 wrote to memory of 4304	4116	cmd.exe	100
PID 4116 wrote to memory of 4304	4116	cmd.exe	100
PID 4116 wrote to memory of 4304	4116	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\e70b578e92748def527de53c69df4b25.exe
"C:\Users\Admin\AppData\Local\Temp\e70b578e92748def527de53c69df4b25.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 684
  2⤵
  - Program crash
  PID:4228
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 736
  2⤵
  - Program crash
  PID:3376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 916
  2⤵
  - Program crash
  PID:5092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 720
  2⤵
  - Program crash
  PID:3420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 732
  2⤵
  - Program crash
  PID:4244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 964
  2⤵
  - Program crash
  PID:592
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "e70b578e92748def527de53c69df4b25.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\e70b578e92748def527de53c69df4b25.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4116
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "e70b578e92748def527de53c69df4b25.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4304
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 756
  2⤵
  - Program crash
  PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 2264 -ip 2264
1⤵
PID:2036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 2264 -ip 2264
1⤵
PID:2208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2264 -ip 2264
1⤵
PID:3412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2264 -ip 2264
1⤵
PID:1236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 2264 -ip 2264
1⤵
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 2264 -ip 2264
1⤵
PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 2264 -ip 2264
1⤵
PID:4416

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2264-132-0x0000000000918000-0x000000000093F000-memory.dmp

Download

memory/2264-133-0x00000000021A0000-0x00000000021E0000-memory.dmp

Download

memory/2264-134-0x0000000000400000-0x0000000000573000-memory.dmp

Download

memory/2264-137-0x0000000000918000-0x000000000093F000-memory.dmp

Download

memory/2264-138-0x0000000000400000-0x0000000000573000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads