Analysis
- max time kernel
106s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
07/01/2024, 19:18
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ac90fcd53be3fbd030f01a4f4f83fa73.exe
Resource
win7-20231215-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
ac90fcd53be3fbd030f01a4f4f83fa73.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target ac90fcd53be3fbd030f01a4f4f83fa73.exe
- Size 268KB
- Sample240107-xz1vvsdbe7
- SHA256 7d4f23f032a7aac3b541f9d1e27365d7857af71d76be331418c5a8ffe905ce01
- MD5 ac90fcd53be3fbd030f01a4f4f83fa73
- SHA1 6befb9210904674ed3c7902a89876a4d138a7dba
- SHA512 fa584c8b1a837f0965feb67f7823334e922fd68798fd3da788d1a844bc8b9998fde3fc19fdbf2e96ed78efafcfbab5b93f9c2a7c49efa44c5313b944d64e4292
- SSDEEP 3072:2sSQrIhUDY1zuBvLen8DlZniqBXv7yOsWvgbsmgHB0W+A:2CMj1qFy8xZnisyOs2tSW+A
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" ac90fcd53be3fbd030f01a4f4f83fa73.exe Set value (int) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" maewuow.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation ac90fcd53be3fbd030f01a4f4f83fa73.exe - Executes dropped EXE 1 IoCs
pid Process 1004 maewuow.exe - Adds Run key to start application 2 TTPs 27 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /y" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /w" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /k" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /r" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /h" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /n" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /j" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /v" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /p" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /a" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /g" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /c" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /u" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /q" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /l" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /x" ac90fcd53be3fbd030f01a4f4f83fa73.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /i" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /s" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /o" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /x" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /d" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /b" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /e" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /f" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /t" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /z" maewuow.exe Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\maewuow = "C:\\Users\\Admin\\maewuow.exe /m" maewuow.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4180 ac90fcd53be3fbd030f01a4f4f83fa73.exe 4180 ac90fcd53be3fbd030f01a4f4f83fa73.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe 1004 maewuow.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4180 ac90fcd53be3fbd030f01a4f4f83fa73.exe 1004 maewuow.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4180 wrote to memory of 1004 4180 ac90fcd53be3fbd030f01a4f4f83fa73.exe 92 PID 4180 wrote to memory of 1004 4180 ac90fcd53be3fbd030f01a4f4f83fa73.exe 92 PID 4180 wrote to memory of 1004 4180 ac90fcd53be3fbd030f01a4f4f83fa73.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac90fcd53be3fbd030f01a4f4f83fa73.exe"C:\Users\Admin\AppData\Local\Temp\ac90fcd53be3fbd030f01a4f4f83fa73.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Users\Admin\maewuow.exe"C:\Users\Admin\maewuow.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:1004
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\maewuow.exe
- Size 268KB
- SHA256 a482887af9b75be42950d7910c7f258747e1e1cca88fcc8d0ec63d758f936552
- MD5 141d60e6316b3d43145105ffd16f214c
- SHA1 28a3c45856327d55a3718d8196cbd3cfe05271bb
- SHA512 17d6e1d15d3db0ec180c627e947199283621ed0707af0f7c3b051c6301e667975c990e175c18886087af14e982220a11d0d98bf1417aafbe4796b98c6d0f40aa
- SSDEEP 3072:UsSQrIhneDY1zuBvLen8DlZniqBXv7yOsWvgbsmgHB0W+A:UCMp1qFy8xZnisyOs2tSW+A
- MD5 SHA1 SHA512 SSDEEP