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Analysis
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max time kernel
93s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2022, 23:14
Static task
static1
Behavioral task
behavioral1
Sample
a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe
Resource
win10v2004-20220812-en
General
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Target
a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe
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Size
1.1MB
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MD5
0b15143903635fafae49dbf03407af7b
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SHA1
632008a3f5b2d730826e6a95a260e36e38b7d7b0
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SHA256
a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461
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SHA512
9efb69260332cb0f9011c939eae1349710317b611877351d3c607a5811b4fc216e779e16199e6c40fd7aad56d7376cfc0df0c5c29f86470f28ccce0f7625fac4
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SSDEEP
24576:ww0peow6/GmPN760aABzSbE0nc4v2o6IsQPTYDIH17GwoYw:oTbVSrz6nWH1GP/
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3512 search.cmd -
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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3512 search.cmd -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3888 wrote to memory of 3512 3888 a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe 84 PID 3888 wrote to memory of 3512 3888 a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe 84 PID 3888 wrote to memory of 3512 3888 a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe 84 PID 3888 wrote to memory of 2904 3888 a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe 85 PID 3888 wrote to memory of 2904 3888 a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe 85 PID 3888 wrote to memory of 2904 3888 a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe"C:\Users\Admin\AppData\Local\Temp\a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461.exe"1⤵
- Checks computer location settings
- Drops startup file
- Suspicious use of WriteProcessMemory
PID:3888 -
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd"2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
PID:3512
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del c:\users\admin\appdata\local\temp\A61883~1.EXE >> NUL2⤵PID:2904
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.1MB
MD50b15143903635fafae49dbf03407af7b
SHA1632008a3f5b2d730826e6a95a260e36e38b7d7b0
SHA256a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461
SHA5129efb69260332cb0f9011c939eae1349710317b611877351d3c607a5811b4fc216e779e16199e6c40fd7aad56d7376cfc0df0c5c29f86470f28ccce0f7625fac4
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Filesize
1.1MB
MD50b15143903635fafae49dbf03407af7b
SHA1632008a3f5b2d730826e6a95a260e36e38b7d7b0
SHA256a618835791803658f70206b7f697165cecd1ad532c8f14e49bc93d3a0a133461
SHA5129efb69260332cb0f9011c939eae1349710317b611877351d3c607a5811b4fc216e779e16199e6c40fd7aad56d7376cfc0df0c5c29f86470f28ccce0f7625fac4