gcleaner | 38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 20:06

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General

Target

38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe
Size

276KB
MD5

1d8af748a0d4762f642b1f5dc1f37a6e
SHA1

e1bd1c12d1119aa3e9151d1cfcdeefc7ea47021d
SHA256

38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3
SHA512

cf83c5b0bab7fe0d91ade6c94cedf3fedec5ee17ea4780579fecb07da2842e0e4b935c15805dc47e0a216932c647eea04b9d6dd02ac39555973ca407cc25a312
SSDEEP

6144:ynHHYxvqL5XHUmb0rAUbtOZc2ZuozpPMXKMlB/1:kHYxqL1UmOButPMtlB

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

2536 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

2652 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2652 taskkill.exe

pid	process
2536	cmd.exe

pid	process
2652	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2652	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.execmd.exe

description	pid	process	target process
PID 2236 wrote to memory of 2536	2236	38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe	cmd.exe
PID 2236 wrote to memory of 2536	2236	38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe	cmd.exe
PID 2236 wrote to memory of 2536	2236	38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe	cmd.exe
PID 2236 wrote to memory of 2536	2236	38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe	cmd.exe
PID 2536 wrote to memory of 2652	2536	cmd.exe	taskkill.exe
PID 2536 wrote to memory of 2652	2536	cmd.exe	taskkill.exe
PID 2536 wrote to memory of 2652	2536	cmd.exe	taskkill.exe
PID 2536 wrote to memory of 2652	2536	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe
"C:\Users\Admin\AppData\Local\Temp\38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2236

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2536

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "38def01fd86b01bd4c1b24709a8be37233961e3f04074ebcd5ed98c6948dc9a3.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2652

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/2236-1-0x0000000003110000-0x0000000003210000-memory.dmp

Filesize
1024KB

Download
memory/2236-3-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2236-2-0x0000000000220000-0x000000000025C000-memory.dmp

Filesize
240KB

Download
memory/2236-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2236-7-0x0000000003110000-0x0000000003210000-memory.dmp

Filesize
1024KB

Download
memory/2236-6-0x0000000000400000-0x0000000002CA3000-memory.dmp

Filesize
40.6MB

Download