a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315

Analysis

max time kernel
148s
max time network
124s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/09/2026, 10:17

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General

Target
jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
Size 54KB
Sample260924-mbf6fattav
SHA256 a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315
MD5 f056477d9b87ed074091b0a7aea3803d
SHA1 9f35951533f907e0189ed9f737ff278ed1497189
SHA512 37629dd7f2a2fd12344f4ff6e0c3f994852bef1e3ac9e680b437396fe69745ecccc81538ef3eee1044edf9cf3e377779f847e20faa844df4ee3c585db3e707b7
SSDEEP 768:E3xw9mhZ2zYoOi0x47yI/f3m/M5SsYGrWdo8gWF:E3x4Elx5I/krGjLWF
TLSH
T194434A359B8990F1D7110D3034996EBFE63F3A304625A95ADBA3DDB02433332E479B86
MD5 SHA1 SHA512 SSDEEP TLSH

Score

5^/10

discovery execution

Malware Config

Signatures

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\New.dll	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
File opened for modification	C:\Windows\SysWOW64\1009.ocx	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
File created	C:\Windows\SysWOW64\1009.ocx	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
File opened for modification	C:\Windows\SysWOW64\gameclient01.ocx	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
File created	C:\Windows\SysWOW64\gameclient01.ocx	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
File opened for modification	C:\Windows\SysWOW64\system.ini	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
File created	C:\Windows\SysWOW64\New.dll	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4556	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3136	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
3136	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4556	3136	jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe	89

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_a9f5a0e9bbdf0b90b07c18bc2a49c4b91668476f37dc19093dc26c3bde62a315.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3136
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\gameclient.bat
  2⤵
  - Executes a command shell one-liner
  - System Location Discovery: System Language Discovery
  PID:4556

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

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

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Downloads

gameclient.bat

Path C:\Users\Admin\AppData\Local\Temp\gameclient.bat
Size 1024B
SHA256 f4c7a53d145df6f0731000c83c552294f044d13accb4f81760a5d829d0903f52
MD5 c7c6974e50439785787291bdc936b47e
SHA1 8d099f6c7f2ea9318175cd0a1d0c2e88a3a8d587
SHA512 37e775d1ccb76a1ef7b2193ea58835c363b1035993e62fd01c22aae3c065352fb90df4f7f8403d08d08e350acc2c506e0832a1a118a78f6d6bbf11da02950dea
TLSH
T11A1120058363C57ECDA0B13B4531598DF2B938142D491B01CA31C488502281DEFD670D
MD5 SHA1 SHA512 TLSH

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