Analysis
- max time kernel
145s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
24/01/2023, 16:41
Static task
static1
Behavioral task
behavioral1
Sample
Fully Executed Contract.js
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
Fully Executed Contract.js
Resource
win10v2004-20220812-en
windows10-2004-x64
9 signatures
150 seconds
General
- Target Fully Executed Contract.js
- Size 984KB
- Sample230124-t64csacf78
- SHA256 7c0df5e5dc598888c62cb7ebfb76b940e310b45f7c78a4a0797aabd4b6e1f1b2
- MD5 6896610816747b15420b9c1b481283ec
- SHA1 2a942e057e0d1427cca9827a2e268d2aca207e16
- SHA512 291f0314936b742383a20b4a5bb6abf6f39bc4d97e09346e275ef2de9d9c97c9788c7f0d11e6bf41cbfce7645df89586b98ed94200bd2d7df769d605275d98c8
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8exLbSXlZB7AM:eQ3B7qgpKLbE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
wshrat
C2
-
http://auto.stevenpartners.com:23015
Signatures
- Blocklisted process makes network request 57 IoCs
flow pid Process 8 4944 wscript.exe 9 960 wscript.exe 10 3148 wscript.exe 23 4944 wscript.exe 24 3148 wscript.exe 25 960 wscript.exe 27 4944 wscript.exe 35 3148 wscript.exe 36 960 wscript.exe 37 4944 wscript.exe 38 4944 wscript.exe 48 960 wscript.exe 49 3148 wscript.exe 51 4944 wscript.exe 52 4944 wscript.exe 53 960 wscript.exe 54 3148 wscript.exe 55 4944 wscript.exe 56 960 wscript.exe 57 3148 wscript.exe 58 4944 wscript.exe 61 4944 wscript.exe 62 3148 wscript.exe 63 960 wscript.exe 67 4944 wscript.exe 68 3148 wscript.exe 69 960 wscript.exe 70 4944 wscript.exe 71 4944 wscript.exe 72 3148 wscript.exe 73 960 wscript.exe 74 4944 wscript.exe 75 960 wscript.exe 76 3148 wscript.exe 77 4944 wscript.exe 79 4944 wscript.exe 80 3148 wscript.exe 81 960 wscript.exe 82 4944 wscript.exe 83 3148 wscript.exe 84 960 wscript.exe 85 4944 wscript.exe 86 4944 wscript.exe 87 3148 wscript.exe 88 960 wscript.exe 89 4944 wscript.exe 90 4944 wscript.exe 91 960 wscript.exe 92 3148 wscript.exe 93 4944 wscript.exe 94 3148 wscript.exe 95 960 wscript.exe 96 4944 wscript.exe 97 4944 wscript.exe 98 3148 wscript.exe 99 960 wscript.exe 100 4944 wscript.exe - Checks computer location settings 2 TTPs 2 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 wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation wscript.exe - Drops startup file 5 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Fully Executed Contract.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Fully Executed Contract.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vruJgaVwTF.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vruJgaVwTF.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vruJgaVwTF.js wscript.exe - Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fully Executed Contract = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Fully Executed Contract.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fully Executed Contract = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Fully Executed Contract.js\"" wscript.exe Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fully Executed Contract = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Fully Executed Contract.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fully Executed Contract = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\Fully Executed Contract.js\"" wscript.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Script User-Agent 25 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 8 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 85 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 89 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 93 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 67 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 77 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 96 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 23 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 27 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 52 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 61 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 82 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 86 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 37 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 55 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 74 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 79 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 71 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 90 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 97 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 100 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 38 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 51 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 58 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript HTTP User-Agent header 70 WSHRAT|2C4BFA22|XZIOFAVD|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 24/1/2023|JavaScript - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4260 wrote to memory of 3148 4260 wscript.exe 79 PID 4260 wrote to memory of 3148 4260 wscript.exe 79 PID 4260 wrote to memory of 4944 4260 wscript.exe 80 PID 4260 wrote to memory of 4944 4260 wscript.exe 80 PID 4944 wrote to memory of 960 4944 wscript.exe 81 PID 4944 wrote to memory of 960 4944 wscript.exe 81
Processes
-
C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\Fully Executed Contract.js"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4260 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\vruJgaVwTF.js"2⤵
- Blocklisted process makes network request
- Drops startup file
PID:3148
-
-
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\Fully Executed Contract.js"2⤵
- Blocklisted process makes network request
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4944 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\vruJgaVwTF.js"3⤵
- Blocklisted process makes network request
- Drops startup file
PID:960
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\Fully Executed Contract.js
- Size 984KB
- SHA256 7c0df5e5dc598888c62cb7ebfb76b940e310b45f7c78a4a0797aabd4b6e1f1b2
- MD5 6896610816747b15420b9c1b481283ec
- SHA1 2a942e057e0d1427cca9827a2e268d2aca207e16
- SHA512 291f0314936b742383a20b4a5bb6abf6f39bc4d97e09346e275ef2de9d9c97c9788c7f0d11e6bf41cbfce7645df89586b98ed94200bd2d7df769d605275d98c8
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8exLbSXlZB7AM:eQ3B7qgpKLbE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Fully Executed Contract.js
- Size 984KB
- SHA256 7c0df5e5dc598888c62cb7ebfb76b940e310b45f7c78a4a0797aabd4b6e1f1b2
- MD5 6896610816747b15420b9c1b481283ec
- SHA1 2a942e057e0d1427cca9827a2e268d2aca207e16
- SHA512 291f0314936b742383a20b4a5bb6abf6f39bc4d97e09346e275ef2de9d9c97c9788c7f0d11e6bf41cbfce7645df89586b98ed94200bd2d7df769d605275d98c8
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8exLbSXlZB7AM:eQ3B7qgpKLbE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vruJgaVwTF.js
- Size 346KB
- SHA256 a681d7961a9381a8bedbd00fab5bb84128ab3a2990848aeab4c896952e79a8dc
- MD5 02413cd5481c1f9eb58e5bdd5cdbf1a3
- SHA1 024dc9be1421b29bc99bd39ef63c554a01c5caeb
- SHA512 f4f1bebe841c38f6969ba355022af6e9c60621ddeddc0ae6d68ad559bd684c1c93680b8314637a8b6a8c299378ce254863b674d9000d191238ecdca538773011
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8ek:eQ3B7qgpF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\vruJgaVwTF.js
- Size 346KB
- SHA256 a681d7961a9381a8bedbd00fab5bb84128ab3a2990848aeab4c896952e79a8dc
- MD5 02413cd5481c1f9eb58e5bdd5cdbf1a3
- SHA1 024dc9be1421b29bc99bd39ef63c554a01c5caeb
- SHA512 f4f1bebe841c38f6969ba355022af6e9c60621ddeddc0ae6d68ad559bd684c1c93680b8314637a8b6a8c299378ce254863b674d9000d191238ecdca538773011
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8ek:eQ3B7qgpF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\vruJgaVwTF.js
- Size 346KB
- SHA256 a681d7961a9381a8bedbd00fab5bb84128ab3a2990848aeab4c896952e79a8dc
- MD5 02413cd5481c1f9eb58e5bdd5cdbf1a3
- SHA1 024dc9be1421b29bc99bd39ef63c554a01c5caeb
- SHA512 f4f1bebe841c38f6969ba355022af6e9c60621ddeddc0ae6d68ad559bd684c1c93680b8314637a8b6a8c299378ce254863b674d9000d191238ecdca538773011
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV8ek:eQ3B7qgpF
- MD5 SHA1 SHA512 SSDEEP