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Analysis
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max time kernel
94s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/10/2022, 13:31
Static task
static1
Behavioral task
behavioral1
Sample
d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe
Resource
win10v2004-20220812-en
General
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Target
d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe
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Size
124KB
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MD5
a125f68f1c56eb9cdc6c7583bd374729
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SHA1
8e66792873a24a75ca3c2d3bbe1f4b9447250a23
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SHA256
d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a
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SHA512
873972d7754daff240bd2de3d292ec739c5177d01a6a31ea68e8f431eb52d574b0676870eea8f753f227fa4cd4d740da76794a3a84b98580339f02f3e6a3414b
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SSDEEP
3072:yJryjatMX+BALyV0f2JoTm1eCCberkoavlf:k0atMX+BALyV0f2JoTm1eCeWw
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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 2748 tasklist.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2748 tasklist.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3956 d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3956 wrote to memory of 1956 3956 d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe 83 PID 3956 wrote to memory of 1956 3956 d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe 83 PID 3956 wrote to memory of 1956 3956 d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe 83 PID 1956 wrote to memory of 2748 1956 cmd.exe 85 PID 1956 wrote to memory of 2748 1956 cmd.exe 85 PID 1956 wrote to memory of 2748 1956 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe"C:\Users\Admin\AppData\Local\Temp\d1bf1e58f653a3517df8930517003fe46eef66c9d636bae225b6025655291c5a.exe"1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3956 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del d1bf1e58f653a3517df8930517003fe46e2⤵
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2748
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