1584b1d34445eb9b7bbbdb8cd8d2d8922d649e4509f6a253700a543b1eef86e1

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/04/2024, 03:01

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General

Target

Uninstaller.exe
Size

307KB
MD5

69eb0fada0246cd3c14f4ed7e013f1ae
SHA1

ee931af7b20bdbca933aa940bcbe41c5660c4ff6
SHA256

082e2d84c44fd03c5ca3a0644e7078879a3442c27464034e54bbd372e78596fb
SHA512

837fe569c745cf36b99d684e520233f1e713c08aa8947d0be53fe9a9a92acc5969b92e92f89ca3efee6f53d6c2cdbe9989b658b7dd43521a2439310b0ba45563
SSDEEP

6144:jQ3U77Vo6xnM3DoFFjuvf/toNQ8dqLuJoU0U7Hd8CntQOHHM+HFFTjXdpNnT2yB:977DnM3D0Fw/tN8dkmLtpHHHrh7TB

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2200	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2020	Uninstaller.exe
2200	Au_.exe
2200	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
behavioral11/files/0x0026000000015c3c-6.dat	nsis_installer_1
behavioral11/files/0x0026000000015c3c-6.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2200	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2200	2020	Uninstaller.exe	28
PID 2020 wrote to memory of 2200	2020	Uninstaller.exe	28
PID 2020 wrote to memory of 2200	2020	Uninstaller.exe	28
PID 2020 wrote to memory of 2200	2020	Uninstaller.exe	28

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:2020
- 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
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2200

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
307KB

MD5
69eb0fada0246cd3c14f4ed7e013f1ae

SHA1
ee931af7b20bdbca933aa940bcbe41c5660c4ff6

SHA256
082e2d84c44fd03c5ca3a0644e7078879a3442c27464034e54bbd372e78596fb

SHA512
837fe569c745cf36b99d684e520233f1e713c08aa8947d0be53fe9a9a92acc5969b92e92f89ca3efee6f53d6c2cdbe9989b658b7dd43521a2439310b0ba45563

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\Users\Admin\AppData\Local\Temp\nsd66EE.tmp\System.dll

Filesize
10KB

MD5
7fbda5b7be6256996d4e59e5f6949918

SHA1
2d36c0e0bfbe450675c6ed044e715abaa85a252a

SHA256
9bb31f7f02231e3166bf52385d804c06da9740e9c6f0bda807b01052ae9fdcd4

SHA512
bc0d36aa6f50041bad05cf48d909ed5a387bff5b111f657591161a288c1be5c20b8c5d69e557b5ea395726d91601b9e6303da81555e053090cfcbf5d44be7f82

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\Users\Admin\AppData\Local\Temp\nsd66EE.tmp\nsDialogs.dll

Filesize
9KB

MD5
ef2ba370973a3f8aba1533cb3858921b

SHA1
c2211408f29a46fc26198cddf411694c0e7e0eb8

SHA256
ed575c8bddf21cc6d689646ecfdeafe356e0f9945a282eda79f3b636b77a4453

SHA512
07aac20904fb164ba91b7c619b674d5e0f4d1ec8ba03fbd7e123ef53ff4b134278e01964fb81dfcc2905b760c572a7e13c87114bdb279f1d26632ebe71c628ba

Download Submit