dfd89eb4e5f4d2be79ef7a1a4c828300e17f8feb2c1e852ac0871c062e3177bf

Analysis

max time kernel
145s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08/09/2024, 11:17

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General

Target

Gmod_Updater.exe
Size

2.2MB
MD5

50e570aa28fa78f1c3029d4db50e1099
SHA1

fdee7d28208179e1f859db4f4bc97f96df2b7b6a
SHA256

dfd89eb4e5f4d2be79ef7a1a4c828300e17f8feb2c1e852ac0871c062e3177bf
SHA512

a7858a9372f5c2500da1faeff536945833e29ca96343e1c46904f210cdb04885931226e3dfbd13e218447f2522a5b81a499ec4dd3cb5fc899fe9e18e742c7904
SSDEEP

49152:1kUQIF2Aa7TAaVnGHP0q7x5o0WnfnL9t:1kUj5aVnSsU/0nL9t

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
3116	Gmod_Updater.new.exe
3332	Gmod_Updater.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	Gmod_Updater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gmod_Updater.new.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gmod_Updater.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2636	Gmod_Updater.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2636	Gmod_Updater.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
2636	Gmod_Updater.exe
2636	Gmod_Updater.exe
2636	Gmod_Updater.exe
2636	Gmod_Updater.exe
3116	Gmod_Updater.new.exe
3116	Gmod_Updater.new.exe
3332	Gmod_Updater.exe
3332	Gmod_Updater.exe
3332	Gmod_Updater.exe
3332	Gmod_Updater.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 3116	2636	Gmod_Updater.exe	91
PID 2636 wrote to memory of 3116	2636	Gmod_Updater.exe	91
PID 2636 wrote to memory of 3116	2636	Gmod_Updater.exe	91
PID 3116 wrote to memory of 3332	3116	Gmod_Updater.new.exe	92
PID 3116 wrote to memory of 3332	3116	Gmod_Updater.new.exe	92
PID 3116 wrote to memory of 3332	3116	Gmod_Updater.new.exe	92

C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.exe
"C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.new.exe
  "C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.new.exe" /update "C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3116
- - C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.exe
    "C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.exe" /delete "C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.new.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:3332

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

C:\Users\Admin\AppData\Local\Temp\Gmod_Updater.new.exe

Filesize
2.2MB

MD5
50e570aa28fa78f1c3029d4db50e1099

SHA1
fdee7d28208179e1f859db4f4bc97f96df2b7b6a

SHA256
dfd89eb4e5f4d2be79ef7a1a4c828300e17f8feb2c1e852ac0871c062e3177bf

SHA512
a7858a9372f5c2500da1faeff536945833e29ca96343e1c46904f210cdb04885931226e3dfbd13e218447f2522a5b81a499ec4dd3cb5fc899fe9e18e742c7904

Download Submit
memory/2636-0-0x0000000000960000-0x0000000000961000-memory.dmp

Filesize
4KB

Download
memory/2636-1-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/2636-8-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3116-7-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/3116-12-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download
memory/3332-13-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/3332-15-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/3332-25-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/3332-26-0x0000000000400000-0x0000000000641000-memory.dmp

Filesize
2.3MB

Download