gcleaner | 096bfa3e2f4fed058fb0e59c58cdeb20e2e19fa321f77bfcdf1215160afdd753

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-10-2024 11:14

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General

Target

7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe
Size

338KB
MD5

7ef9fc6490d54da33055614b608cbf2e
SHA1

2b4c1379e1fdd86cf94e588ec98e0a8c7207a064
SHA256

096bfa3e2f4fed058fb0e59c58cdeb20e2e19fa321f77bfcdf1215160afdd753
SHA512

f6fb6da9996310c2f5ba08fd9f7023c13e88b21b0d4b8a8ce19716e63240982f0e23b61f5c426a4ae224734a6f49ebca3fe4e859504c130d7dc68a838db1bf77
SSDEEP

6144:pvg9I9HtsWVrwzq3tgtBkOZ45t1RRBZx:pvg9I966rwgP9

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

gcl-page.biz

194.145.227.161

Signatures

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

OnlyLogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2112-2-0x0000000000220000-0x0000000000268000-memory.dmp	family_onlylogger
behavioral1/memory/2112-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/2112-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/2112-5-0x0000000000220000-0x0000000000268000-memory.dmp	family_onlylogger
behavioral1/memory/2112-4-0x0000000000400000-0x0000000000885000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2544	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3016	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2544	2112	7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2544	2112	7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2544	2112	7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe	31
PID 2112 wrote to memory of 2544	2112	7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe	31
PID 2544 wrote to memory of 3016	2544	cmd.exe	33
PID 2544 wrote to memory of 3016	2544	cmd.exe	33
PID 2544 wrote to memory of 3016	2544	cmd.exe	33
PID 2544 wrote to memory of 3016	2544	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "7ef9fc6490d54da33055614b608cbf2e_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2112-1-0x0000000000960000-0x0000000000A60000-memory.dmp

Filesize
1024KB

Download
memory/2112-2-0x0000000000220000-0x0000000000268000-memory.dmp

Filesize
288KB

Download
memory/2112-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2112-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2112-5-0x0000000000220000-0x0000000000268000-memory.dmp

Filesize
288KB

Download
memory/2112-4-0x0000000000400000-0x0000000000885000-memory.dmp

Filesize
4.5MB

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