267bdfcd1012dd782dc67d24841b02c793efb43aa7cafb65f17c85fd63c70a1e

Analysis

max time kernel
95s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 15:09

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General

Target

uninst.exe
Size

46KB
MD5

95e89b1e4a5d8deec95a4cf33a573d2b
SHA1

147283a4a65535fa17dda67e0c0882c0bff65a27
SHA256

c63d4002857e41e9aa9527a1c8ba3c7363e73d06907c1f6ecd54bd1f7a1728e9
SHA512

3de03c0800bc2ba470edb566d5290790a229b52bbd7ae09e4d619f33746e36dbcee73debcbb6e1fbb6e1c0dce9f952e215363e6defe1738a96046abde2b1f9e5
SSDEEP

768:s/UpAHiGjRQ1kkjH918xnyzOp7OssT1pF/O71mJ/6gd2iZQAm6kRRS+NoJRneH:QUeHiWRgkkjH8nyWmJygdLeAyNxH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4780	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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral12/files/0x0007000000023447-3.dat	nsis_installer_1
behavioral12/files/0x0007000000023447-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 4780	1396	uninst.exe	83
PID 1396 wrote to memory of 4780	1396	uninst.exe	83
PID 1396 wrote to memory of 4780	1396	uninst.exe	83

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1396
- 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\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4780

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
46KB

MD5
95e89b1e4a5d8deec95a4cf33a573d2b

SHA1
147283a4a65535fa17dda67e0c0882c0bff65a27

SHA256
c63d4002857e41e9aa9527a1c8ba3c7363e73d06907c1f6ecd54bd1f7a1728e9

SHA512
3de03c0800bc2ba470edb566d5290790a229b52bbd7ae09e4d619f33746e36dbcee73debcbb6e1fbb6e1c0dce9f952e215363e6defe1738a96046abde2b1f9e5

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