gcleaner | 61d7be6bb79af781ef912f5750f88a76ebf6ab0debd57213860b76508fbc8226

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 02:09

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General

Target

32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe
Size

454KB
MD5

32d712e49d20b4a084ce8a0ece18b495
SHA1

1edd625d0cf072a38d0b21a4a73c8e00e2d1c2bb
SHA256

61d7be6bb79af781ef912f5750f88a76ebf6ab0debd57213860b76508fbc8226
SHA512

77820b59b0b2361e823ce74735ac442f9ea3af60347e1a8436c8365054a199954e4293eebcfcf2b16622576b673d6d48bce0bec85804f0c6b945e530c0bb486d
SSDEEP

6144:gxiiALtsCxdenfDpdXCeoA+MXIryHUZBOl3TqyKrB9gHQlOPpzt0nPF:AALtnbQdXC9Lry0YFE9v

Score

10^/10

gcleaner discovery loader

Malware Config

Signatures

GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
loader gcleaner

Deletes itself 1 IoCs

pid	Process
2640	cmd.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
7	iplogger.org
5	iplogger.org

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11	freegeoip.app

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

System Information Discovery
T1082

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	32d712e49d20b4a084ce8a0ece18b495_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
2796	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2640	944	32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe	32
PID 944 wrote to memory of 2640	944	32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe	32
PID 944 wrote to memory of 2640	944	32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe	32
PID 944 wrote to memory of 2640	944	32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe	32
PID 2640 wrote to memory of 2796	2640	cmd.exe	34
PID 2640 wrote to memory of 2796	2640	cmd.exe	34
PID 2640 wrote to memory of 2796	2640	cmd.exe	34
PID 2640 wrote to memory of 2796	2640	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:944
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "32d712e49d20b4a084ce8a0ece18b495_JaffaCakes118.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/944-1-0x0000000000250000-0x0000000000350000-memory.dmp

Filesize
1024KB

Download
memory/944-2-0x0000000003310000-0x000000000335A000-memory.dmp

Filesize
296KB

Download
memory/944-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/944-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/944-5-0x0000000003310000-0x000000000335A000-memory.dmp

Filesize
296KB

Download
memory/944-4-0x0000000000400000-0x000000000330F000-memory.dmp

Filesize
47.1MB

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