gcleaner | 4b0e4fd6806fe1cd9dd277211a3aa9ab0510a3795355190acf8a84f6a2e5a508

Analysis

max time kernel
31s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
08/03/2023, 19:40

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General

Target
d554d767e490e4a920b0efde009c1ee2.exe
Size 276KB
Sample230308-ydhmtsff21
SHA256 4b0e4fd6806fe1cd9dd277211a3aa9ab0510a3795355190acf8a84f6a2e5a508
MD5 d554d767e490e4a920b0efde009c1ee2
SHA1 685f5852949a32832eb38314a699b7697550ad2d
SHA512 5643111c5370d9afdc677ade1e168bfd90ff0f518ad6d680c5b053336df7e88a20e34efd03352dda53931b0d87bcad484184036a7a9af8e4aa6927082862d888
SSDEEP 6144:IzaompYs/FnG2Hq9h8GE2u73uySVApc+:uEYs/hG2K9hjeSK
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

Deletes itself 1 IoCs

pid	Process
1484	cmd.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1112	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1484	2012	d554d767e490e4a920b0efde009c1ee2.exe	30
PID 2012 wrote to memory of 1484	2012	d554d767e490e4a920b0efde009c1ee2.exe	30
PID 2012 wrote to memory of 1484	2012	d554d767e490e4a920b0efde009c1ee2.exe	30
PID 2012 wrote to memory of 1484	2012	d554d767e490e4a920b0efde009c1ee2.exe	30
PID 1484 wrote to memory of 1112	1484	cmd.exe	32
PID 1484 wrote to memory of 1112	1484	cmd.exe	32
PID 1484 wrote to memory of 1112	1484	cmd.exe	32
PID 1484 wrote to memory of 1112	1484	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\d554d767e490e4a920b0efde009c1ee2.exe
"C:\Users\Admin\AppData\Local\Temp\d554d767e490e4a920b0efde009c1ee2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "d554d767e490e4a920b0efde009c1ee2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d554d767e490e4a920b0efde009c1ee2.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1484
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "d554d767e490e4a920b0efde009c1ee2.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2012-55-0x00000000003C0000-0x0000000000400000-memory.dmp

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memory/2012-56-0x0000000000400000-0x0000000000462000-memory.dmp

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memory/2012-58-0x0000000000400000-0x0000000000462000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads