Analysis
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max time kernel
147s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2022 12:56
Static task
static1
Behavioral task
behavioral1
Sample
PO N°CF004303.js
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
PO N°CF004303.js
Resource
win10v2004-20220812-en
General
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Target
PO N°CF004303.js
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Size
52KB
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MD5
587ad35d06bccec7b8ff387dc0e5797e
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SHA1
f8729b7d69e638887de8de9afd49f134b8c58025
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SHA256
63def6511d6202684199b8135f9294a1ed0842f30cdb9788a6e6af08ded2bf0b
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SHA512
9d71e0eda2492f26bbabab0344b9ab8ad9f11955d8b6a0a9ae4cb0486055ceb83afdcd95747c9739c56477b9346366ccc3e8f1f2a63f101a1c75d4d631cdb96c
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SSDEEP
1536:Ol/31MQwrtOdTFUErwEXQZvrLmhg36pnGAZE+AK:OGErw+l
Malware Config
Extracted
wshrat
http://194.5.98.198:1604
Signatures
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Blocklisted process makes network request 37 IoCs
flow pid Process 6 1936 wscript.exe 7 1336 wscript.exe 8 3220 wscript.exe 14 3220 wscript.exe 21 3220 wscript.exe 22 3220 wscript.exe 23 3220 wscript.exe 25 3220 wscript.exe 26 1936 wscript.exe 27 1336 wscript.exe 36 3220 wscript.exe 37 3220 wscript.exe 41 1936 wscript.exe 42 1336 wscript.exe 44 3220 wscript.exe 45 3220 wscript.exe 46 3220 wscript.exe 47 3220 wscript.exe 48 3220 wscript.exe 49 1936 wscript.exe 50 1336 wscript.exe 51 3220 wscript.exe 53 3220 wscript.exe 54 3220 wscript.exe 55 3220 wscript.exe 56 3220 wscript.exe 57 1936 wscript.exe 58 1336 wscript.exe 59 3220 wscript.exe 60 3220 wscript.exe 61 3220 wscript.exe 62 3220 wscript.exe 63 3220 wscript.exe 64 1936 wscript.exe 65 1336 wscript.exe 66 3220 wscript.exe 67 3220 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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 5 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xaRVcbREmE.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO N°CF004303.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xaRVcbREmE.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xaRVcbREmE.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO N°CF004303.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\PO N°CF004303 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO N°CF004303.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO N°CF004303 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO N°CF004303.js\"" wscript.exe Key created \REGISTRY\MACHINE\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO N°CF004303 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO N°CF004303.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO N°CF004303 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO N°CF004303.js\"" wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Script User-Agent 24 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 8 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 47 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 55 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 59 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 56 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 60 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 14 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 21 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 23 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 25 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 44 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 53 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 66 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 36 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 48 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 51 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 54 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 63 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 22 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 45 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 46 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 61 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 62 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 67 WSHRAT|18024990|TMKNGOMU|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4692 wrote to memory of 1936 4692 wscript.exe 77 PID 4692 wrote to memory of 1936 4692 wscript.exe 77 PID 4692 wrote to memory of 3220 4692 wscript.exe 78 PID 4692 wrote to memory of 3220 4692 wscript.exe 78 PID 3220 wrote to memory of 1336 3220 wscript.exe 80 PID 3220 wrote to memory of 1336 3220 wscript.exe 80
Processes
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C:\Windows\system32\wscript.exewscript.exe "C:\Users\Admin\AppData\Local\Temp\PO N°CF004303.js"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4692 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\xaRVcbREmE.js"2⤵
- Blocklisted process makes network request
- Drops startup file
PID:1936
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\PO N°CF004303.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:3220 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\xaRVcbREmE.js"3⤵
- Blocklisted process makes network request
- Drops startup file
PID:1336
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
52KB
MD5587ad35d06bccec7b8ff387dc0e5797e
SHA1f8729b7d69e638887de8de9afd49f134b8c58025
SHA25663def6511d6202684199b8135f9294a1ed0842f30cdb9788a6e6af08ded2bf0b
SHA5129d71e0eda2492f26bbabab0344b9ab8ad9f11955d8b6a0a9ae4cb0486055ceb83afdcd95747c9739c56477b9346366ccc3e8f1f2a63f101a1c75d4d631cdb96c
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Filesize
10KB
MD5f9332f9e18de0d77598ea6b6ca069da2
SHA109f7ba47ca4f682f500b2aa262326d7f60ef1cfa
SHA256c0f0acfd56e2319b12d4a903e3fa99dce5d9afe751cfb13c939615b4fa92bb99
SHA51276bdb8a2a519c788f4d2248474e8b68d96eba76e3609d1c7e87f0bed684231d66e01868ea358fe02634b2feac147655e20274adef4920dee07d199d7e1e82aac
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Filesize
52KB
MD5587ad35d06bccec7b8ff387dc0e5797e
SHA1f8729b7d69e638887de8de9afd49f134b8c58025
SHA25663def6511d6202684199b8135f9294a1ed0842f30cdb9788a6e6af08ded2bf0b
SHA5129d71e0eda2492f26bbabab0344b9ab8ad9f11955d8b6a0a9ae4cb0486055ceb83afdcd95747c9739c56477b9346366ccc3e8f1f2a63f101a1c75d4d631cdb96c
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Filesize
10KB
MD5f9332f9e18de0d77598ea6b6ca069da2
SHA109f7ba47ca4f682f500b2aa262326d7f60ef1cfa
SHA256c0f0acfd56e2319b12d4a903e3fa99dce5d9afe751cfb13c939615b4fa92bb99
SHA51276bdb8a2a519c788f4d2248474e8b68d96eba76e3609d1c7e87f0bed684231d66e01868ea358fe02634b2feac147655e20274adef4920dee07d199d7e1e82aac
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Filesize
10KB
MD5f9332f9e18de0d77598ea6b6ca069da2
SHA109f7ba47ca4f682f500b2aa262326d7f60ef1cfa
SHA256c0f0acfd56e2319b12d4a903e3fa99dce5d9afe751cfb13c939615b4fa92bb99
SHA51276bdb8a2a519c788f4d2248474e8b68d96eba76e3609d1c7e87f0bed684231d66e01868ea358fe02634b2feac147655e20274adef4920dee07d199d7e1e82aac