Analysis
- max time kernel
152s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
07/11/2022, 20:31
Static task
static1
Behavioral task
behavioral1
Sample
53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe
- Size 336KB
- Sample221107-za62pagdc8
- SHA256 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb
- MD5 0b97f7f80926694b191a4deeb4a14270
- SHA1 c5bc5942634c0e1702739026dcc1beae2bef0c63
- SHA512 9469ea92d739c74f59e429b56bc5164fecc69001fb1fc001da989504918886ae6fb253467d51b0cdc27018902a05399212ab65a5cabcc78d568a01f29545bf8b
- SSDEEP 6144:ADNxR2WGk1Y3nmQcuyKx5DKEJrwavj9+dU5S5NR:Kd2WGk1Y3nmQcjKvWEJCj
- 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-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" muedue.exe - Executes dropped EXE 1 IoCs
pid Process 4852 muedue.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe - Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /u" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /q" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /r" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /g" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /c" muedue.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /o" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /w" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /y" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /m" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /d" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /n" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /v" muedue.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /h" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /k" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /e" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /a" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /z" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /l" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /i" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /f" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /g" 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /s" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /p" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /b" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /t" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /x" muedue.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\muedue = "C:\\Users\\Admin\\muedue.exe /j" muedue.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4684 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe 4684 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe 4852 muedue.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4684 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe 4852 muedue.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4684 wrote to memory of 4852 4684 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe 80 PID 4684 wrote to memory of 4852 4684 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe 80 PID 4684 wrote to memory of 4852 4684 53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.exe"C:\Users\Admin\AppData\Local\Temp\53b1b5a21ea6db35db7c1d472520502f755398677b4dd80336a7aa8261f49dfb.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:4684 -
C:\Users\Admin\muedue.exe"C:\Users\Admin\muedue.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:4852
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\muedue.exe
- Size 336KB
- SHA256 4aa9b19e34bc6faf88ec68cfa92ca13b207cf5d0d93f480af3c4370b24209d2c
- MD5 2303818daf256f27031c45e728789766
- SHA1 a52ecfe2a88e4d23fa180695385856cfa785c8ed
- SHA512 e25d2a328d32d92281d9710ae26d762ec5fd05c830cd5825e4e4b58e0331e2ccfb16e943adbce2c9593f492f40df9cdfa1deec6cae2dbcb22a6686a6f4da1872
- SSDEEP 6144:8DNxM2WGk1Y3nmQcuyKx5DKEJrwavj9+dU5S5NR:+g2WGk1Y3nmQcjKvWEJCj
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\muedue.exe
- Size 336KB
- SHA256 4aa9b19e34bc6faf88ec68cfa92ca13b207cf5d0d93f480af3c4370b24209d2c
- MD5 2303818daf256f27031c45e728789766
- SHA1 a52ecfe2a88e4d23fa180695385856cfa785c8ed
- SHA512 e25d2a328d32d92281d9710ae26d762ec5fd05c830cd5825e4e4b58e0331e2ccfb16e943adbce2c9593f492f40df9cdfa1deec6cae2dbcb22a6686a6f4da1872
- SSDEEP 6144:8DNxM2WGk1Y3nmQcuyKx5DKEJrwavj9+dU5S5NR:+g2WGk1Y3nmQcjKvWEJCj
- MD5 SHA1 SHA512 SSDEEP