915e637e9e56872ab8f1318ea2aa2434c5161cd6bf289076ebecac66db6bd25b

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 16:02

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General

Target

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

32KB
MD5

faef2ffcd408eda3698879ad1bc0bff7
SHA1

ea8bdc37b82e66a7492b30af7174dd4fd0f69ce8
SHA256

be0fdf6ef1bd4bc0768b90bbb001995b572d65993e23c7fe04d4ba516a0f51b7
SHA512

cab31df32bea8abd7a31ff4dfec9aaf6683bd9a887672da98eb252b01a7972d5cb016c8262f6c64417c600f4c55717d6f6674246ef9a63976f96a5e77c57875a
SSDEEP

768:44wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJlJRnSMhCKQD:jLXB65939tY6HBg4sXJ4MkZD

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2260	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1036	uninstall-particle-toolchain.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
behavioral7/files/0x000900000001866c-2.dat	nsis_installer_1
behavioral7/files/0x000900000001866c-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 2260	1036	uninstall-particle-toolchain.exe	31
PID 1036 wrote to memory of 2260	1036	uninstall-particle-toolchain.exe	31
PID 1036 wrote to memory of 2260	1036	uninstall-particle-toolchain.exe	31
PID 1036 wrote to memory of 2260	1036	uninstall-particle-toolchain.exe	31

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⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036
- 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:2260

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

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
32KB

MD5
faef2ffcd408eda3698879ad1bc0bff7

SHA1
ea8bdc37b82e66a7492b30af7174dd4fd0f69ce8

SHA256
be0fdf6ef1bd4bc0768b90bbb001995b572d65993e23c7fe04d4ba516a0f51b7

SHA512
cab31df32bea8abd7a31ff4dfec9aaf6683bd9a887672da98eb252b01a7972d5cb016c8262f6c64417c600f4c55717d6f6674246ef9a63976f96a5e77c57875a

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