gcleaner | 0c66455c62f9e8d2755760f97d5e51e26267682cc9a6ec15bae1f1d0bbeaaa65

Resubmissions

23/08/2023, 11:12

230823-naxbpsbf7810

13/06/2023, 22:16

230613-16sdvaca6410

Analysis

max time kernel
30s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
13/06/2023, 22:16

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General

Target
94a8cb37cf0aa2d1fedb893167f4dc67.exe
Size 276KB
Sample230613-16sdvaca64
SHA256 0c66455c62f9e8d2755760f97d5e51e26267682cc9a6ec15bae1f1d0bbeaaa65
MD5 94a8cb37cf0aa2d1fedb893167f4dc67
SHA1 08b2d1d0ff9c73128faa4180377c7f1a0290252b
SHA512 52475d7a08673be460b4429692043aee04b1db9b6a700c96760d55bd339234574d8b739e8920fcb617da35a863eab1c21451b3b5b1fc5b2f85a25facc2c6a075
SSDEEP 6144:mQ2gt7NFrXs89+lmrZoYErwBPDAZ9DMkU1Zxt:ggzFf9ArwBLAjD+Zxt
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
532	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

pid	Process
856	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	856	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 532	1992	94a8cb37cf0aa2d1fedb893167f4dc67.exe	30
PID 1992 wrote to memory of 532	1992	94a8cb37cf0aa2d1fedb893167f4dc67.exe	30
PID 1992 wrote to memory of 532	1992	94a8cb37cf0aa2d1fedb893167f4dc67.exe	30
PID 1992 wrote to memory of 532	1992	94a8cb37cf0aa2d1fedb893167f4dc67.exe	30
PID 532 wrote to memory of 856	532	cmd.exe	32
PID 532 wrote to memory of 856	532	cmd.exe	32
PID 532 wrote to memory of 856	532	cmd.exe	32
PID 532 wrote to memory of 856	532	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\94a8cb37cf0aa2d1fedb893167f4dc67.exe
"C:\Users\Admin\AppData\Local\Temp\94a8cb37cf0aa2d1fedb893167f4dc67.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "94a8cb37cf0aa2d1fedb893167f4dc67.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\94a8cb37cf0aa2d1fedb893167f4dc67.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:532
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "94a8cb37cf0aa2d1fedb893167f4dc67.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:856

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/1992-55-0x00000000003B0000-0x00000000003F0000-memory.dmp

Download

memory/1992-56-0x0000000000400000-0x00000000006ED000-memory.dmp

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memory/1992-58-0x0000000000400000-0x00000000006ED000-memory.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads