331c4b65cc3859aabcf21d012e8e7e89ae68a591de66e1b61064b3263694ebe1

Analysis

max time kernel
132s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 06:26

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General

Target
Uninstall.exe
Size 333KB
Sample240528-g7a2eahc5y
SHA256 22a9cb8b4084439cbbe7bd8640a6f42fcc348adf8351e37be9443e833fa8a89e
MD5 20b85a50d0d0f299a49dd5c2d8ad67a3
SHA1 5d6f563aa45adace8c6934cef7d3f60ff29a2f38
SHA512 502d99d9e6bf53cbeeec699abb9fda8f66ddcbe5785aa0d99d826c32e3b6d6c5f98add31f8674b3c0d856e97a85786cc354938dcae68cb0bbb66f58630e78386
SSDEEP 6144:pwN+CPA7aIXBdtsXXxio8mmiX5V0yPO0JwyWAAtt96pU+muTcG:wFo7avXXymmiX5VVO06AGqbT5
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3268	Un_A.exe

Loads dropped DLL 2 IoCs

pid	Process
3268	Un_A.exe
3268	Un_A.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
behavioral12/files/0x0009000000023413-3.dat	nsis_installer_1
behavioral12/files/0x0009000000023413-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 3268	3224	Uninstall.exe	85
PID 3224 wrote to memory of 3268	3224	Uninstall.exe	85
PID 3224 wrote to memory of 3268	3224	Uninstall.exe	85

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3268

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

UserInfo.dll

Path C:\Users\Admin\AppData\Local\Temp\nsd5CD6.tmp\UserInfo.dll
Size 4KB
SHA256 11adf8916947b5a20a071b494fa034cf62769dcc6293a1340b29a5bb29ac8e87
MD5 7836f464ae0102452e94a363b491b759
SHA1 59909a48448b99e2eb9cd336d81d60764da59f31
SHA512 5ed63eefa1b3b3caad4cb762ccb8419c05bcad3da3a7415235cda2d2a1f79eb018503ca30a0a92d6b72160327decea9a70c48e0c28de94dd67303d4aea4a02db
MD5 SHA1 SHA512

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Un_A.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
Size 333KB
SHA256 22a9cb8b4084439cbbe7bd8640a6f42fcc348adf8351e37be9443e833fa8a89e
MD5 20b85a50d0d0f299a49dd5c2d8ad67a3
SHA1 5d6f563aa45adace8c6934cef7d3f60ff29a2f38
SHA512 502d99d9e6bf53cbeeec699abb9fda8f66ddcbe5785aa0d99d826c32e3b6d6c5f98add31f8674b3c0d856e97a85786cc354938dcae68cb0bbb66f58630e78386
SSDEEP 6144:pwN+CPA7aIXBdtsXXxio8mmiX5V0yPO0JwyWAAtt96pU+muTcG:wFo7avXXymmiX5VVO06AGqbT5
MD5 SHA1 SHA512 SSDEEP