gcleaner | bb5d78931ceb7836f22fe7f18d5a75d6a6fb6bd4fa5698b6dbc8758c0d6724f3

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 12:18

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General

Target

ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe
Size

356KB
MD5

ccf66bd00babb14dfcbf7d1f13625c94
SHA1

2a4c6e9245c473bc18f3dabcacbf59a9588f7ebd
SHA256

bb5d78931ceb7836f22fe7f18d5a75d6a6fb6bd4fa5698b6dbc8758c0d6724f3
SHA512

79db965b9995f327457d9de5ee37fe0ec656610e395c9b8f5541928e479c4932b937998cecc613bc10e5e36cbf89c7408b5e31a92f10cad989cbacd5d49ab830
SSDEEP

6144:uvVJBGUIyAZCup0M8PTBnBK3lCnlAgIhqeyoV7NBaz4k7xO21DON:udPLIyA5p25BOlum/Yey+BBCxO6ON

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/2488-2-0x00000000003B0000-0x00000000003F8000-memory.dmp	family_onlylogger
behavioral1/memory/2488-3-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/2488-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_onlylogger
behavioral1/memory/2488-5-0x00000000003B0000-0x00000000003F8000-memory.dmp	family_onlylogger
behavioral1/memory/2488-4-0x0000000000400000-0x0000000000889000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

pid	Process
2060	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	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1400	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1400	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2060	2488	ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2060	2488	ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2060	2488	ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe	31
PID 2488 wrote to memory of 2060	2488	ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe	31
PID 2060 wrote to memory of 1400	2060	cmd.exe	33
PID 2060 wrote to memory of 1400	2060	cmd.exe	33
PID 2060 wrote to memory of 1400	2060	cmd.exe	33
PID 2060 wrote to memory of 1400	2060	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "ccf66bd00babb14dfcbf7d1f13625c94_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1400

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/2488-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

Filesize
1024KB

Download
memory/2488-2-0x00000000003B0000-0x00000000003F8000-memory.dmp

Filesize
288KB

Download
memory/2488-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2488-5-0x00000000003B0000-0x00000000003F8000-memory.dmp

Filesize
288KB

Download
memory/2488-4-0x0000000000400000-0x0000000000889000-memory.dmp

Filesize
4.5MB

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