debf351be78e09aba6a74dd649077d4b7ed011f244b6e0e0ab3c75577828862f

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 08:24

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General

Target

uninstaller.exe
Size

494KB
MD5

f50c3caca9359145759d59af529dc537
SHA1

ad42e0494b1f98cba61806c3fb0a8a71a0db6ede
SHA256

00feb53d790da059e6863c3c45a062fc4038d72b079ab642ce9fd0e37f4dce7e
SHA512

07c7e0c089673da2be8aafe22cb975a8834fb365f8034bd7676b99e838995b9465fb5d20bc470ef95544985ba2583d135a44a6e7ee8dfa758135f625fe540ba5
SSDEEP

3072:dS17XJiDxmJ+0IyUlgE5UQ3MHJL10j68+zFgE7s6u15LUPFg0z23k3DCLuIyvQ31:dGiHl7eQ3C5xPFgjc1SB/Njz

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2116	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2116	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
1728	uninstaller.exe
2116	Au_.exe
2116	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
behavioral23/files/0x000d000000012323-5.dat	nsis_installer_1
behavioral23/files/0x000d000000012323-5.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2116	1728	uninstaller.exe	15
PID 1728 wrote to memory of 2116	1728	uninstaller.exe	15
PID 1728 wrote to memory of 2116	1728	uninstaller.exe	15
PID 1728 wrote to memory of 2116	1728	uninstaller.exe	15
PID 1728 wrote to memory of 2116	1728	uninstaller.exe	15
PID 1728 wrote to memory of 2116	1728	uninstaller.exe	15
PID 1728 wrote to memory of 2116	1728	uninstaller.exe	15

C:\Users\Admin\AppData\Local\Temp\uninstaller.exe
"C:\Users\Admin\AppData\Local\Temp\uninstaller.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2116

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
92KB

MD5
0bf1e7d87ad756b19b829cfa21c1a024

SHA1
25181bb1c9cb45ddd13cad2d9a068b6eb3bbe38a

SHA256
ec627544b38148315d9be56ede7f8911b685b471f63a30c8fc2ad8a925bf8591

SHA512
f02365a70acf7c907660480599ac0ffac551001436f9399c3fe389942537b28a2a54e9eaa34f899b1d8e4ed326ad4f3005b92fcdbcb3171a66ed4d3e68003108

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