gcleaner | d8adfd0011b6140079ee523f76e3b02c158768a57cdea193e8f602e7f3756117

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-03-2024 09:48

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General

Target

be4c2f5f2e00c17b06080726837edab8.exe
Size

362KB
MD5

be4c2f5f2e00c17b06080726837edab8
SHA1

5566075c0628c72d06d9426c8d9a85d9efd13a1c
SHA256

d8adfd0011b6140079ee523f76e3b02c158768a57cdea193e8f602e7f3756117
SHA512

ef6b87d4b533ba30b1661a13097048d74adf38c5b848e6ffb60f150b98af53b7095716b21609adef560ec004cc50139c78684f3f032e2bd2b83ac201dbc43eaa
SSDEEP

6144:g/tnXvZuPGXRVs7JPfqq8mfcwaE7jIEYIM:g2Mq8aQE

Score

10^/10

gcleaner onlylogger loader

Malware Config

Extracted

Family

gcleaner

gc-prtnrs.top

gcc-prtnrs.top

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 3 IoCs

resource	yara_rule
behavioral1/memory/2232-2-0x0000000000280000-0x00000000002CF000-memory.dmp	family_onlylogger
behavioral1/memory/2232-3-0x0000000000400000-0x00000000008BB000-memory.dmp	family_onlylogger
behavioral1/memory/2232-4-0x0000000000400000-0x00000000008BB000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2168	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
1248	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1248	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2168	2232	be4c2f5f2e00c17b06080726837edab8.exe	28
PID 2232 wrote to memory of 2168	2232	be4c2f5f2e00c17b06080726837edab8.exe	28
PID 2232 wrote to memory of 2168	2232	be4c2f5f2e00c17b06080726837edab8.exe	28
PID 2232 wrote to memory of 2168	2232	be4c2f5f2e00c17b06080726837edab8.exe	28
PID 2168 wrote to memory of 1248	2168	cmd.exe	30
PID 2168 wrote to memory of 1248	2168	cmd.exe	30
PID 2168 wrote to memory of 1248	2168	cmd.exe	30
PID 2168 wrote to memory of 1248	2168	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\be4c2f5f2e00c17b06080726837edab8.exe
"C:\Users\Admin\AppData\Local\Temp\be4c2f5f2e00c17b06080726837edab8.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "be4c2f5f2e00c17b06080726837edab8.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\be4c2f5f2e00c17b06080726837edab8.exe" & exit
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2168
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "be4c2f5f2e00c17b06080726837edab8.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1248

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/2232-2-0x0000000000280000-0x00000000002CF000-memory.dmp

Filesize
316KB

Download
memory/2232-1-0x0000000000A60000-0x0000000000B60000-memory.dmp

Filesize
1024KB

Download
memory/2232-3-0x0000000000400000-0x00000000008BB000-memory.dmp

Filesize
4.7MB

Download
memory/2232-4-0x0000000000400000-0x00000000008BB000-memory.dmp

Filesize
4.7MB

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