gcleaner | c98cb5ef26c659b30d3fc26fa45b27595337d83c32405d9298d799a975b736fb

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-03-2024 17:07

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General

Target

ce977f0eaaaba80afc05abb7e1832269.exe
Size

347KB
MD5

ce977f0eaaaba80afc05abb7e1832269
SHA1

fc9f42ea2d0f738d6a3ee4952551a785f6bbac51
SHA256

c98cb5ef26c659b30d3fc26fa45b27595337d83c32405d9298d799a975b736fb
SHA512

585df40af807a799bbba213284f84463ecebba794b7049b417a218263003ab02cf59b461d4820c3832e593c04349766723ecde9f8523fdbc03ddfd546e64d8f3
SSDEEP

6144:dl1Mg/IZB2z4/3bvdLgrVejXPNIUi9rm7knGyHM:dbMg/Iy4/3zNFIUOmI

Score

10^/10

gcleaner onlylogger loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner
OnlyLogger
A tiny loader that uses IPLogger to get its payload.
loader onlylogger

OnlyLogger payload 4 IoCs

resource	yara_rule
behavioral1/memory/2300-2-0x0000000000220000-0x000000000026F000-memory.dmp	family_onlylogger
behavioral1/memory/2300-3-0x0000000000400000-0x0000000002C8D000-memory.dmp	family_onlylogger
behavioral1/memory/2300-4-0x0000000000400000-0x0000000002C8D000-memory.dmp	family_onlylogger
behavioral1/memory/2300-5-0x0000000000220000-0x000000000026F000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2176	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
2980	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2980	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2176	2300	ce977f0eaaaba80afc05abb7e1832269.exe	28
PID 2300 wrote to memory of 2176	2300	ce977f0eaaaba80afc05abb7e1832269.exe	28
PID 2300 wrote to memory of 2176	2300	ce977f0eaaaba80afc05abb7e1832269.exe	28
PID 2300 wrote to memory of 2176	2300	ce977f0eaaaba80afc05abb7e1832269.exe	28
PID 2176 wrote to memory of 2980	2176	cmd.exe	30
PID 2176 wrote to memory of 2980	2176	cmd.exe	30
PID 2176 wrote to memory of 2980	2176	cmd.exe	30
PID 2176 wrote to memory of 2980	2176	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269.exe
"C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ce977f0eaaaba80afc05abb7e1832269.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ce977f0eaaaba80afc05abb7e1832269.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ce977f0eaaaba80afc05abb7e1832269.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2300-1-0x0000000002D60000-0x0000000002E60000-memory.dmp

Filesize
1024KB

Download
memory/2300-2-0x0000000000220000-0x000000000026F000-memory.dmp

Filesize
316KB

Download
memory/2300-3-0x0000000000400000-0x0000000002C8D000-memory.dmp

Filesize
40.6MB

Download
memory/2300-4-0x0000000000400000-0x0000000002C8D000-memory.dmp

Filesize
40.6MB

Download
memory/2300-5-0x0000000000220000-0x000000000026F000-memory.dmp

Filesize
316KB

Download