Analysis
- max time kernel
142s - max time network
149s - 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, 17:10
Static task
static1
Behavioral task
behavioral1
Sample
PO.230029.js
Resource
win7-20221111-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
PO.230029.js
Resource
win10v2004-20221111-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target PO.230029.js
- Size 3.5MB
- Sample230215-vpr4vscg2t
- SHA256 18827fed6ecd5e4d2c548dcad1eb21730a95f52b578bed75e3003b06a7390482
- MD5 2760f9a45e9e74c4eedfe9b0ee918e6b
- SHA1 277c62b14c987da3cf4c9e7d4ee4478cf61580c7
- SHA512 45aa5c7a51f644e82fc436029187fef542ee9a3be80ed8c3535c0383c938509f4d3f4414c97328430092bec1eed5a5105d47f45f36664f49c63a146b12a9fb7e
- SSDEEP 6144:nDKcCNX9cMH0svW5he7NbWSRU9qB02HkyjM6P:nDupdf
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Blocklisted process makes network request 38 IoCs
flow pid Process 5 4956 wscript.exe 9 1480 wscript.exe 10 5116 wscript.exe 17 4956 wscript.exe 18 1480 wscript.exe 19 4956 wscript.exe 20 1480 wscript.exe 24 5116 wscript.exe 25 4956 wscript.exe 27 1480 wscript.exe 36 4956 wscript.exe 37 1480 wscript.exe 39 4956 wscript.exe 41 1480 wscript.exe 48 5116 wscript.exe 51 4956 wscript.exe 52 1480 wscript.exe 60 4956 wscript.exe 61 1480 wscript.exe 62 4956 wscript.exe 63 1480 wscript.exe 64 5116 wscript.exe 65 4956 wscript.exe 66 1480 wscript.exe 69 4956 wscript.exe 70 1480 wscript.exe 71 4956 wscript.exe 72 1480 wscript.exe 73 5116 wscript.exe 74 4956 wscript.exe 75 1480 wscript.exe 76 4956 wscript.exe 77 1480 wscript.exe 78 5116 wscript.exe 79 4956 wscript.exe 80 1480 wscript.exe 81 4956 wscript.exe 82 1480 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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation wscript.exe Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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 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-1-5-21-4246620582-653642754-1174164128-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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-1-5-21-4246620582-653642754-1174164128-1000\software\microsoft\windows\currentversion\run wscript.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4600 wrote to memory of 4956 4600 wscript.exe 79 PID 4600 wrote to memory of 4956 4600 wscript.exe 79 PID 4600 wrote to memory of 5116 4600 wscript.exe 80 PID 4600 wrote to memory of 5116 4600 wscript.exe 80 PID 5116 wrote to memory of 1480 5116 wscript.exe 81 PID 5116 wrote to memory of 1480 5116 wscript.exe 81
Processes
-
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:4600 -
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:4956
-
-
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:5116 -
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:1480
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\EgxzFQzayc.js
- Size 346KB
- SHA256 d0dbf9b445cc01f36e0d7b3483ade4479a2f1b54bf531716330b32b0d904d303
- MD5 5aa142c9e33d0c5d72f0fc4951e6c080
- SHA1 b20626787b7e3f16c2c8aa46489c60002be05b79
- SHA512 a8c9769fc98a8e867b0b5e8bd73fc602f906d63ead71ad85da084c00c32e0a12dd8c124d82fffe8117fc325a7325e2e9caf2e3e49a6ebed2cd5daf6d27b60e77
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV88i:eQ3B7qgpx
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\EgxzFQzayc.js
- Size 346KB
- SHA256 d0dbf9b445cc01f36e0d7b3483ade4479a2f1b54bf531716330b32b0d904d303
- MD5 5aa142c9e33d0c5d72f0fc4951e6c080
- SHA1 b20626787b7e3f16c2c8aa46489c60002be05b79
- SHA512 a8c9769fc98a8e867b0b5e8bd73fc602f906d63ead71ad85da084c00c32e0a12dd8c124d82fffe8117fc325a7325e2e9caf2e3e49a6ebed2cd5daf6d27b60e77
- SSDEEP 6144:eQfPBx5q0sQ1o7rsbHC01mDBpNW2mTMSbpuV88i:eQ3B7qgpx
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\PO.230029.js
- Size 3.5MB
- SHA256 9e462a46b50bb4ffba1489f2c754d9533081710ea81b960603f5fda2ec88a650
- MD5 3494f4c4132df791fd76ada5680da886
- SHA1 2d4e40729cf93fa504d5b3dc678769e57a906e79
- SHA512 cfd18c9faf5f9e9928b6c38bfa224a27a6353f07de3b10852e2212561158b432e6bbabe58c7c09ef5187f9ca976600617ee6fb6e03ab17ef4a7f8448fd467248
- SSDEEP 6144:2DKcCNX9cMH0svW5he7NbWSRU9qB02HkyjM6P:2Dupdf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\PO.230029.js
- Size 3.5MB
- SHA256 18827fed6ecd5e4d2c548dcad1eb21730a95f52b578bed75e3003b06a7390482
- MD5 2760f9a45e9e74c4eedfe9b0ee918e6b
- SHA1 277c62b14c987da3cf4c9e7d4ee4478cf61580c7
- SHA512 45aa5c7a51f644e82fc436029187fef542ee9a3be80ed8c3535c0383c938509f4d3f4414c97328430092bec1eed5a5105d47f45f36664f49c63a146b12a9fb7e
- SSDEEP 6144:nDKcCNX9cMH0svW5he7NbWSRU9qB02HkyjM6P:nDupdf
- MD5 SHA1 SHA512 SSDEEP