Analysis
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max time kernel
147s -
max time network
150s -
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 06:42
Static task
static1
Behavioral task
behavioral1
Sample
PO.js
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
PO.js
Resource
win10v2004-20220812-en
General
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Target
PO.js
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Size
24KB
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MD5
963ca126766bbcd9e8384b9ef2c74673
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SHA1
59ac9982bde3dcf4d4a89e99b8ab08fedce02ba5
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SHA256
7549db05702b59ca48c9faaab687273bbe8abad0c8d27540ca89f63ed3c9ed5a
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SHA512
0df472aa3d72ab2cb7269eb55c3b4a05a3b654a280ccec9f5bd10f6dca07d98ea9c3cb0be101fa5ad973fa718e16c0605ac4a4d8e94952b18140f4c9394d2480
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SSDEEP
384:Aq0a8IOmVLZAQOksb6frbfRHdBtvhaI4JX1w6nofZMCaZQzun4Gg6O3JoYiXP3sw:ANIOU7smvgISofbNOaJEvcQF
Malware Config
Extracted
wshrat
http://212.193.30.230:7780
Signatures
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Blocklisted process makes network request 26 IoCs
flow pid Process 4 2120 wscript.exe 11 2120 wscript.exe 17 2120 wscript.exe 18 2120 wscript.exe 20 2120 wscript.exe 22 2120 wscript.exe 28 2120 wscript.exe 29 2120 wscript.exe 34 2120 wscript.exe 35 2120 wscript.exe 41 2120 wscript.exe 42 2120 wscript.exe 45 2120 wscript.exe 46 2120 wscript.exe 47 2120 wscript.exe 48 2120 wscript.exe 49 2120 wscript.exe 50 2120 wscript.exe 53 2120 wscript.exe 54 2120 wscript.exe 55 2120 wscript.exe 56 2120 wscript.exe 57 2120 wscript.exe 58 2120 wscript.exe 59 2120 wscript.exe 60 2120 wscript.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation wscript.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.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 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO.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 = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO.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 25 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 11 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 20 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 22 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 29 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 35 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 45 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 49 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 53 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 58 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 42 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 46 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 50 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 55 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 60 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 4 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 17 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 41 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 59 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 18 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 28 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 34 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 47 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 48 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 56 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript HTTP User-Agent header 57 WSHRAT|94D95F5C|GBQHURCC|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 1/11/2022|JavaScript -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4816 wrote to memory of 2120 4816 wscript.exe 80 PID 4816 wrote to memory of 2120 4816 wscript.exe 80
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PO.js1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4816 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\PO.js"2⤵
- Blocklisted process makes network request
- Drops startup file
- Adds Run key to start application
PID:2120
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
24KB
MD5963ca126766bbcd9e8384b9ef2c74673
SHA159ac9982bde3dcf4d4a89e99b8ab08fedce02ba5
SHA2567549db05702b59ca48c9faaab687273bbe8abad0c8d27540ca89f63ed3c9ed5a
SHA5120df472aa3d72ab2cb7269eb55c3b4a05a3b654a280ccec9f5bd10f6dca07d98ea9c3cb0be101fa5ad973fa718e16c0605ac4a4d8e94952b18140f4c9394d2480
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Filesize
24KB
MD5963ca126766bbcd9e8384b9ef2c74673
SHA159ac9982bde3dcf4d4a89e99b8ab08fedce02ba5
SHA2567549db05702b59ca48c9faaab687273bbe8abad0c8d27540ca89f63ed3c9ed5a
SHA5120df472aa3d72ab2cb7269eb55c3b4a05a3b654a280ccec9f5bd10f6dca07d98ea9c3cb0be101fa5ad973fa718e16c0605ac4a4d8e94952b18140f4c9394d2480