gcleaner | cbf537e68db0faba75151f6219eaee109313a023ce0cf624b3ca88b5bdf268a7

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 00:10

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General

Target

f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe
Size

369KB
MD5

f23d00861ef6d34c79158c12dc8fe503
SHA1

f862c934d47df8fd9d8788958b34eb28aeab35f3
SHA256

cbf537e68db0faba75151f6219eaee109313a023ce0cf624b3ca88b5bdf268a7
SHA512

ed36554bce46f3e62faf4a54a7f71b039d684d6a28d5ee2491457e42ea3257c208b7a1476b226984fb48d4267b966925f520cb6e3b24bddb19300da85a294fc4
SSDEEP

6144:mzTJ0OE7eVtJM9hEAjk9TgP7lEP6RTFOQrf3Ex1TtccqQz:SyOE76twhvwK+QTrf3Ebt3qw

Score

10^/10

gcleaner onlylogger vidar loader stealer

Malware Config

Extracted

Family

gcleaner

194.145.227.161

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
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

OnlyLogger payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1968-2-0x0000000000280000-0x00000000002C9000-memory.dmp	family_onlylogger
behavioral1/memory/1968-3-0x0000000000400000-0x00000000023C7000-memory.dmp	family_onlylogger
behavioral1/memory/1968-4-0x0000000000400000-0x00000000023C7000-memory.dmp	family_onlylogger

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2224 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

Processes:

taskkill.exe

pid process

2232 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2232 taskkill.exe

pid	process
2224	cmd.exe

pid	process
2232	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2232	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.execmd.exe

description	pid	process	target process
PID 1968 wrote to memory of 2224	1968	f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe	cmd.exe
PID 1968 wrote to memory of 2224	1968	f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe	cmd.exe
PID 1968 wrote to memory of 2224	1968	f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe	cmd.exe
PID 1968 wrote to memory of 2224	1968	f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe	cmd.exe
PID 2224 wrote to memory of 2232	2224	cmd.exe	taskkill.exe
PID 2224 wrote to memory of 2232	2224	cmd.exe	taskkill.exe
PID 2224 wrote to memory of 2232	2224	cmd.exe	taskkill.exe
PID 2224 wrote to memory of 2232	2224	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1968

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im "f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe" & exit
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2224

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "f23d00861ef6d34c79158c12dc8fe503_JaffaCakes118.exe" /f
3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2232

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1968-2-0x0000000000280000-0x00000000002C9000-memory.dmp

Filesize
292KB

Download
memory/1968-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

Filesize
1024KB

Download
memory/1968-3-0x0000000000400000-0x00000000023C7000-memory.dmp

Filesize
31.8MB

Download
memory/1968-4-0x0000000000400000-0x00000000023C7000-memory.dmp

Filesize
31.8MB

Download