Analysis
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max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/10/2022, 03:03
Static task
static1
Behavioral task
behavioral1
Sample
beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe
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Size
172KB
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MD5
5591e8e30a3a5b090c9c1415b51139c0
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SHA1
75cd45a67ba8e18fa79ac6756cd565b1eb264512
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SHA256
beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb
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SHA512
b4588d931c20542128bcc0f5e355158065d325b8e05a565265106c326e370c464f0a929d4a86d3e1b784960f1e7c2599ddd3089a2dd2090ce06226f0b8788824
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SSDEEP
3072:udHhJx9lTmnKep9Chu7Gbwhd5eEQMSZdSkxiAPbmWU09LjM5:e15epqu7CwteASZdBxPbPpM
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe Set value (int) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" zauakud.exe -
Executes dropped EXE 1 IoCs
pid Process 1776 zauakud.exe -
Loads dropped DLL 2 IoCs
pid Process 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe -
Adds Run key to start application 2 TTPs 52 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /w" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /h" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /i" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /b" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /E" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /C" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /H" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /O" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /q" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /t" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /N" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /J" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /X" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /k" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /u" zauakud.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /Z" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /d" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /g" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /A" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /a" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /M" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /y" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /L" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /Y" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /D" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /U" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /j" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /P" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /e" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /B" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /Q" zauakud.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /z" beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /K" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /x" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /r" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /n" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /z" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /c" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /T" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /G" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /S" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /F" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /R" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /V" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /v" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /m" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /f" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /s" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /I" zauakud.exe Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\zauakud = "C:\\Users\\Admin\\zauakud.exe /l" zauakud.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe 1776 zauakud.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe 1776 zauakud.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1184 wrote to memory of 1776 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe 26 PID 1184 wrote to memory of 1776 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe 26 PID 1184 wrote to memory of 1776 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe 26 PID 1184 wrote to memory of 1776 1184 beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe"C:\Users\Admin\AppData\Local\Temp\beaf4b1325363e6eff197c2335c5cf15d06b114eee923d8172aaef287c4b00fb.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1184 -
C:\Users\Admin\zauakud.exe"C:\Users\Admin\zauakud.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1776
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
172KB
MD551c5307626da92e076efc2fda78b560b
SHA1b36963b54e8d790f37a6fabe2f26cfaba1349ac0
SHA256b1d620dbb0582be1e671cc5a566b444204dc1f22bf4c65af5e1d3c0d23f60a61
SHA5129f67be7a3787175e43e94df3779a5593739171f5e48c09cc6acc781e03212806443e472acaa5b74518af69c5981abdd39e18bf82d92f22b5551195234cd48e74
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Filesize
172KB
MD551c5307626da92e076efc2fda78b560b
SHA1b36963b54e8d790f37a6fabe2f26cfaba1349ac0
SHA256b1d620dbb0582be1e671cc5a566b444204dc1f22bf4c65af5e1d3c0d23f60a61
SHA5129f67be7a3787175e43e94df3779a5593739171f5e48c09cc6acc781e03212806443e472acaa5b74518af69c5981abdd39e18bf82d92f22b5551195234cd48e74
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Filesize
172KB
MD551c5307626da92e076efc2fda78b560b
SHA1b36963b54e8d790f37a6fabe2f26cfaba1349ac0
SHA256b1d620dbb0582be1e671cc5a566b444204dc1f22bf4c65af5e1d3c0d23f60a61
SHA5129f67be7a3787175e43e94df3779a5593739171f5e48c09cc6acc781e03212806443e472acaa5b74518af69c5981abdd39e18bf82d92f22b5551195234cd48e74
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Filesize
172KB
MD551c5307626da92e076efc2fda78b560b
SHA1b36963b54e8d790f37a6fabe2f26cfaba1349ac0
SHA256b1d620dbb0582be1e671cc5a566b444204dc1f22bf4c65af5e1d3c0d23f60a61
SHA5129f67be7a3787175e43e94df3779a5593739171f5e48c09cc6acc781e03212806443e472acaa5b74518af69c5981abdd39e18bf82d92f22b5551195234cd48e74