4875a549e9c510bacfaa5623f55ef9296091cc036c48df85e805d46fd9db4b1a

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 23:56

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General

Target

Built.exe
Size

6.0MB
MD5

bd31b7ebbc08595b4198253f23488d85
SHA1

d04f01e85651127df017307b4621832b244b6448
SHA256

4875a549e9c510bacfaa5623f55ef9296091cc036c48df85e805d46fd9db4b1a
SHA512

13e43b46d7264b21c97087fce2e12e5cd8c029964ac8ef01528c88c77156b110ee88e80ff8b293c9f7435789e9258b8c0cd8626660b852fad68d63ee930ca253
SSDEEP

196608:cRuA9hoy6Enwc4GgpG0REtHIrq7LktrbWOjgrV:cceWyotGgpGLtz7AtrbvMrV

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x0006000000017226-21.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2916	Built.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0006000000017226-21.dat	upx
behavioral1/memory/2916-23-0x00000000743B0000-0x00000000748BB000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Built.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Built.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2916	1624	Built.exe	30
PID 1624 wrote to memory of 2916	1624	Built.exe	30
PID 1624 wrote to memory of 2916	1624	Built.exe	30
PID 1624 wrote to memory of 2916	1624	Built.exe	30

C:\Users\Admin\AppData\Local\Temp\Built.exe
"C:\Users\Admin\AppData\Local\Temp\Built.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\Built.exe
  "C:\Users\Admin\AppData\Local\Temp\Built.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2916

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\_MEI16242\python311.dll

Filesize
1.4MB

MD5
0e06f85bcfb1c684469ce62e35b5c272

SHA1
73122369425c1fec9a035975a1834139f6869279

SHA256
6209e55cae73ab3d7bb19a80cd4fb9981b6a3db75bcd5036e84084b23956d9f8

SHA512
c4077f23bf2bc1b2826ad85b4955419b4f79c1bba144372e6706ee8e07ea252d820fdb8c43a6fdd4020fa1e468aff287df443a42b2fdcbd9f41d56f5bbe83b4f

Download Submit
memory/2916-23-0x00000000743B0000-0x00000000748BB000-memory.dmp

Filesize
5.0MB

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