gcleaner | 24947721f59a0ce3e171f32a33182005a857a2a67c78a28f6303a5d56b3fef58

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 09:03

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General

Target

JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe
Size

362KB
MD5

0fff3a233688f29baba586bed98eb460
SHA1

c5e498a2374431dc283703a4e6dd998925b52043
SHA256

24947721f59a0ce3e171f32a33182005a857a2a67c78a28f6303a5d56b3fef58
SHA512

bedf9b550407ab16e8c98eee364a550c2983e89801fface509522700ea18139274105ef4d2e8621815d3961d4fdbbeab635473163b924694e12bccc42f2b45bc
SSDEEP

6144:WtlntEqzHQW23MMYL6Fhnw3AxR7DWv+nIG37wLebuIADG8el:WjntEhW23MMHF8uRvXoxD

Score

10^/10

gcleaner onlylogger discovery loader

Malware Config

Extracted

Family

gcleaner

gcl-gb.biz

45.9.20.13

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
behavioral2/memory/2404-1-0x00000000031F0000-0x0000000003239000-memory.dmp	family_onlylogger
behavioral2/memory/2404-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral2/memory/2404-6-0x0000000000400000-0x000000000044C000-memory.dmp	family_onlylogger
behavioral2/memory/2404-5-0x00000000031F0000-0x0000000003239000-memory.dmp	family_onlylogger
behavioral2/memory/2404-3-0x0000000000400000-0x0000000002F21000-memory.dmp	family_onlylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2612	2404	WerFault.exe	81

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	JaffaCakes118_0fff3a233688f29baba586bed98eb460.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
3548	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3548	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 3040	2404	JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe	82
PID 2404 wrote to memory of 3040	2404	JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe	82
PID 2404 wrote to memory of 3040	2404	JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe	82
PID 3040 wrote to memory of 3548	3040	cmd.exe	86
PID 3040 wrote to memory of 3548	3040	cmd.exe	86
PID 3040 wrote to memory of 3548	3040	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "JaffaCakes118_0fff3a233688f29baba586bed98eb460.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3548
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 976
  2⤵
  - Program crash
  PID:2612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2404 -ip 2404
1⤵
PID:4916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2404-0-0x00000000031C0000-0x00000000031E9000-memory.dmp

Filesize
164KB

Download
memory/2404-1-0x00000000031F0000-0x0000000003239000-memory.dmp

Filesize
292KB

Download
memory/2404-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2404-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2404-5-0x00000000031F0000-0x0000000003239000-memory.dmp

Filesize
292KB

Download
memory/2404-4-0x00000000031C0000-0x00000000031E9000-memory.dmp

Filesize
164KB

Download
memory/2404-3-0x0000000000400000-0x0000000002F21000-memory.dmp

Filesize
43.1MB

Download