gcleaner | ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
20-05-2024 15:37

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General

Target

ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe
Size

288KB
MD5

0f092d084b59e8bc15eb0bc5a4fc8af6
SHA1

bacb2fdd56370757e8a3de61ac1ccafd05eaad12
SHA256

ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003
SHA512

ae25f76d1995d7c567f2f1b92aecdeb7c27c1cfaf55a21c69dfe4577538a5f1ed4af8ad9fd9014fbfaa2b61f48ffebdbdff22129730b4b86a1c2690a6453848e
SSDEEP

6144:96bUQ6JV47ELMcNFsJzRhHjFWKo0btEfKZ40:0UQ6J8GnsJzDQV0Z3q0

Score

10^/10

gcleaner loader

Malware Config

Extracted

Family

gcleaner

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
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2860 cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

3036 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 3036 taskkill.exe

pid	process
2860	cmd.exe

pid	process
3036	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	3036	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.execmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 2860	2028	ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe	cmd.exe
PID 2028 wrote to memory of 2860	2028	ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe	cmd.exe
PID 2028 wrote to memory of 2860	2028	ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe	cmd.exe
PID 2028 wrote to memory of 2860	2028	ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe	cmd.exe
PID 2860 wrote to memory of 3036	2860	cmd.exe	taskkill.exe
PID 2860 wrote to memory of 3036	2860	cmd.exe	taskkill.exe
PID 2860 wrote to memory of 3036	2860	cmd.exe	taskkill.exe
PID 2860 wrote to memory of 3036	2860	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe
"C:\Users\Admin\AppData\Local\Temp\ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2860

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "ef63c07c903abdfa350d4827343845f72c9685369182f45a1c6d12e199781003.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3036

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2028-1-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/2028-4-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download