Analysis
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max time kernel
143s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
24/09/2022, 14:29
Static task
static1
Behavioral task
behavioral1
Sample
document-130722.10498.lnk
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
document-130722.10498.lnk
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
wfNRQyZ3.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
wfNRQyZ3.dll
Resource
win10v2004-20220901-en
General
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Target
document-130722.10498.lnk
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Size
1KB
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MD5
4fc5487f3a00ebde42c1f00e338fb9b0
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SHA1
c129fef267cf6e76c565b9206a078fc1f2f78889
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SHA256
32de9a1f6a2a109cb6dedc1cfa9b14e0ce443c53e1232b8c459fe0ad25f473b7
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SHA512
1d77f640b27b0a537ab9121601e00956347b2641febe04261d1ef40688004344fa0d8e144d9167c273136162b346c9e565e394fc6fa008e11e529caefaf1e00b
Malware Config
Signatures
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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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5076 wrote to memory of 4840 5076 cmd.exe 82 PID 5076 wrote to memory of 4840 5076 cmd.exe 82
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\document-130722.10498.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5076 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c "start RvimAikr.png && start ru^n^d^l^l3^2 wfNRQyZ3.d^l^l, maincase"2⤵PID:4840
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