Analysis
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max time kernel
151s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
04-12-2022 02:20
General
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Target
9ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d.exe
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Size
269KB
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MD5
1f41a328c73922939c08f4a158d5698a
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SHA1
b4edfed1c5a4b6b91673bcd31e5aca8156447b3a
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SHA256
9ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d
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SHA512
31246829afa4ee018ffc1016b5d43d4450ffe41e94b711adbb6fca6e449b622a6d46e2f63fa8a5efefa1b334be13258f00e98074db22a5aef8e6996b42891277
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SSDEEP
6144:bwXhRyq926tFIGBFrQee3Kc7vcIVYAEymU4v+GakMFcK:bwL7FrcHvcSEu+XaDFc
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Kills process with taskkill 1 IoCs
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 4 IoCs
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Suspicious use of SendNotifyMessage 4 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\9ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d.exe"C:\Users\Admin\AppData\Local\Temp\9ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /f /pid 580 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\9ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d.exe" & start C:\Users\Admin\AppData\Local\YEXDLU~1.EXE -f2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /pid 5803⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\PING.EXEping -n 3 127.13⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\yexdlubcbn.exeC:\Users\Admin\AppData\Local\YEXDLU~1.EXE -f3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
269KB
MD51f41a328c73922939c08f4a158d5698a
SHA1b4edfed1c5a4b6b91673bcd31e5aca8156447b3a
SHA2569ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d
SHA51231246829afa4ee018ffc1016b5d43d4450ffe41e94b711adbb6fca6e449b622a6d46e2f63fa8a5efefa1b334be13258f00e98074db22a5aef8e6996b42891277
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Filesize
269KB
MD51f41a328c73922939c08f4a158d5698a
SHA1b4edfed1c5a4b6b91673bcd31e5aca8156447b3a
SHA2569ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d
SHA51231246829afa4ee018ffc1016b5d43d4450ffe41e94b711adbb6fca6e449b622a6d46e2f63fa8a5efefa1b334be13258f00e98074db22a5aef8e6996b42891277
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Filesize
269KB
MD51f41a328c73922939c08f4a158d5698a
SHA1b4edfed1c5a4b6b91673bcd31e5aca8156447b3a
SHA2569ef50ae7587d43c1c3f58b7567676803f9cd830b383e916082e64294deedce9d
SHA51231246829afa4ee018ffc1016b5d43d4450ffe41e94b711adbb6fca6e449b622a6d46e2f63fa8a5efefa1b334be13258f00e98074db22a5aef8e6996b42891277
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Filesize
660KB
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Filesize
660KB
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Filesize
660KB
-
Filesize
660KB
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Filesize
660KB
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Filesize
660KB