f53d22a170fad5a62416ad82220d188bbda9ca64c9dc509920019698bff1cb74

Analysis

max time kernel
95s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2024 17:36

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General

Target

NBProjects/ParticleFirmware/nbproject/private/uninstall-particle-toolchain.exe
Size

84KB
MD5

17b75e1a3997e2667a3a51885e9620ba
SHA1

2c29f37c9d8f2c6cec308644f3a1fbcd61e97dec
SHA256

02d30295a5f079deeee621ca82fa577e60d96a31804098c4dd25d6c5a7b8f012
SHA512

52d242f943d0b3946816c1c271682eeb89ae3f16f14efb5f6a2009375f93311900f6b115b6bc9849df41dc0ceab432615644111b1332588fb92aa4b1d370db25
SSDEEP

768:h4wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJtPJRn1s9uQjQMhCKQD:6LXB65939tY6HBg4sXJt9s9PjQMkZD

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1404	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	uninstall-particle-toolchain.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral8/files/0x000b000000023b97-3.dat	nsis_installer_1
behavioral8/files/0x000b000000023b97-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 1404	4656	uninstall-particle-toolchain.exe	83
PID 4656 wrote to memory of 1404	4656	uninstall-particle-toolchain.exe	83
PID 4656 wrote to memory of 1404	4656	uninstall-particle-toolchain.exe	83

C:\Users\Admin\AppData\Local\Temp\NBProjects\ParticleFirmware\nbproject\private\uninstall-particle-toolchain.exe
"C:\Users\Admin\AppData\Local\Temp\NBProjects\ParticleFirmware\nbproject\private\uninstall-particle-toolchain.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\NBProjects\ParticleFirmware\nbproject\private\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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\~nsu.tmp\Au_.exe

Filesize
84KB

MD5
17b75e1a3997e2667a3a51885e9620ba

SHA1
2c29f37c9d8f2c6cec308644f3a1fbcd61e97dec

SHA256
02d30295a5f079deeee621ca82fa577e60d96a31804098c4dd25d6c5a7b8f012

SHA512
52d242f943d0b3946816c1c271682eeb89ae3f16f14efb5f6a2009375f93311900f6b115b6bc9849df41dc0ceab432615644111b1332588fb92aa4b1d370db25

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