Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
15-02-2023 20:11
Static task
static1
Behavioral task
behavioral1
Sample
PO.230029.js
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
PO.230029.js
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
PO.230029.js
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Size
3.5MB
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MD5
2760f9a45e9e74c4eedfe9b0ee918e6b
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SHA1
277c62b14c987da3cf4c9e7d4ee4478cf61580c7
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SHA256
18827fed6ecd5e4d2c548dcad1eb21730a95f52b578bed75e3003b06a7390482
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SHA512
45aa5c7a51f644e82fc436029187fef542ee9a3be80ed8c3535c0383c938509f4d3f4414c97328430092bec1eed5a5105d47f45f36664f49c63a146b12a9fb7e
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SSDEEP
6144:nDKcCNX9cMH0svW5he7NbWSRU9qB02HkyjM6P:nDupdf
Score
10/10
Malware Config
Extracted
Family
wshrat
C2
http://datalogs33.ddns.net:48665
Signatures
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Blocklisted process makes network request 61 IoCs
flow pid Process 7 4340 wscript.exe 8 1764 wscript.exe 10 2300 wscript.exe 21 2300 wscript.exe 22 1764 wscript.exe 23 4340 wscript.exe 24 2300 wscript.exe 30 2300 wscript.exe 31 1764 wscript.exe 32 4340 wscript.exe 34 2300 wscript.exe 46 2300 wscript.exe 55 4340 wscript.exe 57 1764 wscript.exe 75 2300 wscript.exe 99 2300 wscript.exe 100 4340 wscript.exe 101 1764 wscript.exe 102 2300 wscript.exe 105 4340 wscript.exe 106 2300 wscript.exe 107 1764 wscript.exe 108 2300 wscript.exe 109 4340 wscript.exe 110 1764 wscript.exe 113 2300 wscript.exe 114 2300 wscript.exe 115 4340 wscript.exe 116 1764 wscript.exe 117 2300 wscript.exe 118 2300 wscript.exe 119 4340 wscript.exe 120 1764 wscript.exe 121 2300 wscript.exe 122 2300 wscript.exe 123 4340 wscript.exe 124 1764 wscript.exe 125 2300 wscript.exe 126 2300 wscript.exe 127 4340 wscript.exe 128 1764 wscript.exe 129 2300 wscript.exe 130 2300 wscript.exe 131 1764 wscript.exe 132 4340 wscript.exe 133 2300 wscript.exe 134 1764 wscript.exe 135 4340 wscript.exe 136 2300 wscript.exe 137 2300 wscript.exe 138 1764 wscript.exe 139 4340 wscript.exe 140 2300 wscript.exe 142 2300 wscript.exe 143 1764 wscript.exe 144 4340 wscript.exe 145 2300 wscript.exe 146 2300 wscript.exe 147 1764 wscript.exe 148 4340 wscript.exe 149 2300 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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\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\PO.230029.js wscript.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EgxzFQzayc.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EgxzFQzayc.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.230029.js wscript.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\EgxzFQzayc.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.230029.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO.230029.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.230029.js\"" wscript.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\PO = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\PO.230029.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 29 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 133 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 142 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 102 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 118 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 121 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 46 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 75 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 140 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 114 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 117 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 136 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 106 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 146 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 24 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 125 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 129 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 108 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 113 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 130 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 137 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 34 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 99 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 122 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 126 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 145 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 10 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 21 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 30 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript HTTP User-Agent header 149 WSHRAT|EEC18509|COXNLIOB|Admin|Microsoft Windows 10 Pro|plus|nan-av|false - 15/2/2023|JavaScript -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1224 wrote to memory of 4340 1224 wscript.exe 81 PID 1224 wrote to memory of 4340 1224 wscript.exe 81 PID 1224 wrote to memory of 2300 1224 wscript.exe 82 PID 1224 wrote to memory of 2300 1224 wscript.exe 82 PID 2300 wrote to memory of 1764 2300 wscript.exe 83 PID 2300 wrote to memory of 1764 2300 wscript.exe 83
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\PO.230029.js1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1224 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\EgxzFQzayc.js"2⤵
- Blocklisted process makes network request
- Drops startup file
PID:4340
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C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\PO.230029.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:2300 -
C:\Windows\System32\wscript.exe"C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\EgxzFQzayc.js"3⤵
- Blocklisted process makes network request
- Drops startup file
PID:1764
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
346KB
MD55aa142c9e33d0c5d72f0fc4951e6c080
SHA1b20626787b7e3f16c2c8aa46489c60002be05b79
SHA256d0dbf9b445cc01f36e0d7b3483ade4479a2f1b54bf531716330b32b0d904d303
SHA512a8c9769fc98a8e867b0b5e8bd73fc602f906d63ead71ad85da084c00c32e0a12dd8c124d82fffe8117fc325a7325e2e9caf2e3e49a6ebed2cd5daf6d27b60e77
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Filesize
346KB
MD55aa142c9e33d0c5d72f0fc4951e6c080
SHA1b20626787b7e3f16c2c8aa46489c60002be05b79
SHA256d0dbf9b445cc01f36e0d7b3483ade4479a2f1b54bf531716330b32b0d904d303
SHA512a8c9769fc98a8e867b0b5e8bd73fc602f906d63ead71ad85da084c00c32e0a12dd8c124d82fffe8117fc325a7325e2e9caf2e3e49a6ebed2cd5daf6d27b60e77
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Filesize
346KB
MD55aa142c9e33d0c5d72f0fc4951e6c080
SHA1b20626787b7e3f16c2c8aa46489c60002be05b79
SHA256d0dbf9b445cc01f36e0d7b3483ade4479a2f1b54bf531716330b32b0d904d303
SHA512a8c9769fc98a8e867b0b5e8bd73fc602f906d63ead71ad85da084c00c32e0a12dd8c124d82fffe8117fc325a7325e2e9caf2e3e49a6ebed2cd5daf6d27b60e77
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Filesize
3.5MB
MD52760f9a45e9e74c4eedfe9b0ee918e6b
SHA1277c62b14c987da3cf4c9e7d4ee4478cf61580c7
SHA25618827fed6ecd5e4d2c548dcad1eb21730a95f52b578bed75e3003b06a7390482
SHA51245aa5c7a51f644e82fc436029187fef542ee9a3be80ed8c3535c0383c938509f4d3f4414c97328430092bec1eed5a5105d47f45f36664f49c63a146b12a9fb7e
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Filesize
3.5MB
MD52760f9a45e9e74c4eedfe9b0ee918e6b
SHA1277c62b14c987da3cf4c9e7d4ee4478cf61580c7
SHA25618827fed6ecd5e4d2c548dcad1eb21730a95f52b578bed75e3003b06a7390482
SHA51245aa5c7a51f644e82fc436029187fef542ee9a3be80ed8c3535c0383c938509f4d3f4414c97328430092bec1eed5a5105d47f45f36664f49c63a146b12a9fb7e