3cb27dfceb8b48a75b7cba0886ab9d7696057dd1186298114d7f5af9b497a0b5

Analysis

max time kernel
210s
max time network
278s
platform
windows11-21h2_x64
resource
win11-20240709-en
resource tags

arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
submitted
17-07-2024 10:48

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General

Target

uninstall.exe
Size

38KB
MD5

4d80cf1dcb4050035ababe91073376ed
SHA1

66479ddbc4426fb45a526d7a6fb1df1ad09eedde
SHA256

09511049b3b5d519bd9ad7fffe29fbae5bde288364e69cff6490a64d6e4f601e
SHA512

972bddb89968cb422c6e35aad471b3ca262a40169ff624a207d5a4053efd211251fa04f6381a34230163d0a22239897e751b24dbfa8390444ffe77b7d3c261cb
SSDEEP

768:c4wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJ3Tc8F1:PLXB65939tY6HBg4sXJ3TJ

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3904	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral32/files/0x000500000002aad5-3.dat	nsis_installer_1
behavioral32/files/0x000500000002aad5-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 784 wrote to memory of 3904	784	uninstall.exe	78
PID 784 wrote to memory of 3904	784	uninstall.exe	78
PID 784 wrote to memory of 3904	784	uninstall.exe	78

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:784
- 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
  PID:3904

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
38KB

MD5
4d80cf1dcb4050035ababe91073376ed

SHA1
66479ddbc4426fb45a526d7a6fb1df1ad09eedde

SHA256
09511049b3b5d519bd9ad7fffe29fbae5bde288364e69cff6490a64d6e4f601e

SHA512
972bddb89968cb422c6e35aad471b3ca262a40169ff624a207d5a4053efd211251fa04f6381a34230163d0a22239897e751b24dbfa8390444ffe77b7d3c261cb

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