Analysis
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max time kernel
175s -
max time network
194s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
01/12/2022, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe
Resource
win7-20221111-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe
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Size
88KB
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MD5
5d66df5aad51b1f2ec533983f9915852
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SHA1
46b2a4fffa7f3c3a3c008c6e487c742ea3184031
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SHA256
a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd
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SHA512
f7aa23af00ecb87ac9fd41d743eb0af2daa8ccd8e05e1933cefd349ddeda4945f9bff35145eef96915b47b09f99f2c5d445564d9a2b68c9d77a1a029947ec4d4
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SSDEEP
768:7Lk9rFEGNu34C/lfQzxKztTp8KS5k+qIYvCdUwY7EqVN14+QCnq/K/7ZP:7LksGGloAztd8HtPY7DN14Oqi/7ZP
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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe Set value (int) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" miagax.exe -
Executes dropped EXE 1 IoCs
pid Process 1092 miagax.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe -
Adds Run key to start application 2 TTPs 29 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /r" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /u" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /g" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /f" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /c" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /s" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /v" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /b" miagax.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /n" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /x" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /p" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /h" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /k" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /e" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /y" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /a" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /o" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /q" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /l" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /w" miagax.exe Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\ a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /d" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /m" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /p" a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /t" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /z" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /i" miagax.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\miagax = "C:\\Users\\Admin\\miagax.exe /j" miagax.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 3956 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 3956 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe 1092 miagax.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3956 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 1092 miagax.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3956 wrote to memory of 1092 3956 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 84 PID 3956 wrote to memory of 1092 3956 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 84 PID 3956 wrote to memory of 1092 3956 a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.exe"C:\Users\Admin\AppData\Local\Temp\a591d2628783ceb7fcf2333870324e464451a838ae2878a4667357718a110abd.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:3956 -
C:\Users\Admin\miagax.exe"C:\Users\Admin\miagax.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:1092
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
88KB
MD5e67f6401d64d9e0feab1fc8cd59876b6
SHA1dce8aeb13e57ab8374f3c885be0746f498eb074c
SHA256d9ceda20ca59787afc24d1447f4c2ceb6fe15e09824dea67107f35493fb18fe0
SHA51264040586fec061c5f8de984f0e862566f443f7987d0f14d71a5034bee0ab9150027eb3c9760ddad85982b5bb74f4531f98b8833623a97343c1ec7d5687e9dcdd
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Filesize
88KB
MD5e67f6401d64d9e0feab1fc8cd59876b6
SHA1dce8aeb13e57ab8374f3c885be0746f498eb074c
SHA256d9ceda20ca59787afc24d1447f4c2ceb6fe15e09824dea67107f35493fb18fe0
SHA51264040586fec061c5f8de984f0e862566f443f7987d0f14d71a5034bee0ab9150027eb3c9760ddad85982b5bb74f4531f98b8833623a97343c1ec7d5687e9dcdd