gcleaner | f403e5db7055c16c5608a7c5c5e8d72541f88a83720b84f6ee2a8ed7212f75a8

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-11-2024 08:44

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General

Target

7zS850A099E/61e7502b8389b_Tue233252e9.exe
Size

362KB
MD5

bd97b9bdb9e842a76d084d9aae2157dc
SHA1

05855bb520005e4105f053d40c464cb8c7b2f2d0
SHA256

c739d1ae35aa6c63fb6f07b529bd25f77aad42260ed8a95a69487216fbb2b718
SHA512

3e5112f757f7e54399b14d4a00c695a1268f1cf4534db95fa3e7529c437add41b4cf5429747635c16d8fbe1c0123e4522a8b08867ede9de3b5c73b75987a2c32
SSDEEP

6144:os5wCYvpX57HjBi7g9dO1KIaDm18r7ITsq:oSJYvD7v9kqr7

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
Gcleaner family
gcleaner
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

580 cmd.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service
T1102

Processes:

flow ioc

13 iplogger.org
15 iplogger.org
5 iplogger.org
7 iplogger.org

pid	process
580	cmd.exe

flow	ioc
13	iplogger.org
15	iplogger.org
5	iplogger.org
7	iplogger.org

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

Processes:

61e7502b8389b_Tue233252e9.execmd.exetaskkill.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	61e7502b8389b_Tue233252e9.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

Processes:

taskkill.exe

pid process

2952 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 2952 taskkill.exe

pid	process
2952	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	2952	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

61e7502b8389b_Tue233252e9.execmd.exe

description	pid	process	target process
PID 1292 wrote to memory of 580	1292	61e7502b8389b_Tue233252e9.exe	cmd.exe
PID 1292 wrote to memory of 580	1292	61e7502b8389b_Tue233252e9.exe	cmd.exe
PID 1292 wrote to memory of 580	1292	61e7502b8389b_Tue233252e9.exe	cmd.exe
PID 1292 wrote to memory of 580	1292	61e7502b8389b_Tue233252e9.exe	cmd.exe
PID 580 wrote to memory of 2952	580	cmd.exe	taskkill.exe
PID 580 wrote to memory of 2952	580	cmd.exe	taskkill.exe
PID 580 wrote to memory of 2952	580	cmd.exe	taskkill.exe
PID 580 wrote to memory of 2952	580	cmd.exe	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7502b8389b_Tue233252e9.exe
"C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7502b8389b_Tue233252e9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "61e7502b8389b_Tue233252e9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\7zS850A099E\61e7502b8389b_Tue233252e9.exe" & exit
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:580
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "61e7502b8389b_Tue233252e9.exe" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2952

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1292-0-0x0000000000020000-0x0000000000040000-memory.dmp

Filesize
128KB

Download
memory/1292-1-0x0000000000260000-0x0000000000298000-memory.dmp

Filesize
224KB

Download
memory/1292-2-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1292-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1292-4-0x0000000000020000-0x0000000000040000-memory.dmp

Filesize
128KB

Download
memory/1292-5-0x0000000000260000-0x0000000000298000-memory.dmp

Filesize
224KB

Download
memory/1292-6-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1292-16-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1292-15-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download