fd84148426c6188c0bdec2e66d1f4fda9392342adb0c225d64aaacce24ce8653

Analysis

max time kernel
3s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 03:43

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General

Target

file.exe
Size

256KB
MD5

56fe9f129308ccb3a1babe9169f2414c
SHA1

74809983aa3e0562d69ba5ea5da09b75cd5d1d1e
SHA256

6b9611c64a82acc1bcb4ee26b372e6b1717e4acb790139d5e296bfc3c440ec24
SHA512

ac0d0a3610a3bdeaeea0b087c9dc9b86a61971b98c91bca6efa22989debccbc4b8fce1b202a978e10d06d0c38fc93e97a8b68986416b8488bc70101eb01003eb
SSDEEP

3072:YetaGBy9OYojUkNHEk+qza+ik8X9ETCx5z00kEQMwti2rmSy0PMy50UCnLFUgKaX:l9GLkJEk+guZXD5mI2rm3U6FJKaIOJ

Score

5^/10

discovery upx

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

file.exe

description pid process target process

PID 2496 set thread context of 4872 2496 file.exe file.exe

description	pid	process	target process
PID 2496 set thread context of 4872	2496	file.exe	file.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral26/memory/4872-4-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral26/memory/4872-5-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral26/memory/4872-6-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral26/memory/4872-7-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral26/memory/4872-8-0x0000000000400000-0x0000000000487000-memory.dmp	upx

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

Processes:

file.exefile.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	file.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

file.exefile.exe

pid process

2496 file.exe
4872 file.exe

pid	process
2496	file.exe
4872	file.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

file.exe

description	pid	process	target process
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe
PID 2496 wrote to memory of 4872	2496	file.exe	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\file.exe
  C:\Users\Admin\AppData\Local\Temp\file.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4872

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

memory/4872-4-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4872-5-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4872-6-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4872-7-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/4872-8-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download