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Analysis
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max time kernel
141s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/09/2022, 18:11
Static task
static1
Behavioral task
behavioral1
Sample
41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe
Resource
win10v2004-20220812-en
General
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Target
41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe
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Size
10KB
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MD5
df0c1062b69207999a01093275d9d1b0
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SHA1
e3babe3de97cd12955ca8655506d551995cc58c0
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SHA256
41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72
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SHA512
2e0e0a729d0da6e737b64705c9d18c320b1888609f940a187c2d8732006923022150d497d81e58925f615dbdedc58a564e4b93dd940cdc07a00ec09a92ab6cec
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SSDEEP
96:sRfBtVTqIdVe6G+TgJcrX4AaC6PDxicgh8TqtPn9Vltv15HNEB1P9Bqm9bFnU:SV7d8j+TgJ+EDIcgh8T2PnHXHgvBc
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe -
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 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1192 set thread context of 3424 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 80 PID 208 set thread context of 1692 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 90 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 2876 powershell.exe 2876 powershell.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe Token: SeDebugPrivilege 3424 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe Token: SeDebugPrivilege 2876 powershell.exe Token: SeDebugPrivilege 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe Token: SeDebugPrivilege 1692 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1192 wrote to memory of 3424 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 80 PID 1192 wrote to memory of 3424 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 80 PID 1192 wrote to memory of 3424 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 80 PID 1192 wrote to memory of 3424 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 80 PID 1192 wrote to memory of 3424 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 80 PID 1192 wrote to memory of 3424 1192 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 80 PID 3424 wrote to memory of 2876 3424 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 87 PID 3424 wrote to memory of 2876 3424 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 87 PID 208 wrote to memory of 1692 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 90 PID 208 wrote to memory of 1692 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 90 PID 208 wrote to memory of 1692 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 90 PID 208 wrote to memory of 1692 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 90 PID 208 wrote to memory of 1692 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 90 PID 208 wrote to memory of 1692 208 41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe"C:\Users\Admin\AppData\Local\Temp\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192 -
C:\Users\Admin\AppData\Local\Temp\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exeC:\Users\Admin\AppData\Local\Temp\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe2⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA7ACAAUwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2876
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C:\Users\Admin\AppData\Roaming\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exeC:\Users\Admin\AppData\Roaming\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:208 -
C:\Users\Admin\AppData\Roaming\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exeC:\Users\Admin\AppData\Roaming\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1692
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\41bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72.exe.log
Filesize1KB
MD5165bccf3bb1841eaf1a73ff52d65f59e
SHA18450f78886ff5ee9f0a1590582ed455624ae7eca
SHA256d063952c091e25214469458e65b33da9ef9b413ede9cc2b8a5c28970bb1a5b69
SHA512519d9ffd811bea83a16c234e25172ea186932c45b7004a309d536d0b3b465cc9c3409afc0fdf481fa215a395e305bbb5f2e209f6e0139875d710f23ff38fd5a4
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Filesize
10KB
MD5df0c1062b69207999a01093275d9d1b0
SHA1e3babe3de97cd12955ca8655506d551995cc58c0
SHA25641bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72
SHA5122e0e0a729d0da6e737b64705c9d18c320b1888609f940a187c2d8732006923022150d497d81e58925f615dbdedc58a564e4b93dd940cdc07a00ec09a92ab6cec
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Filesize
10KB
MD5df0c1062b69207999a01093275d9d1b0
SHA1e3babe3de97cd12955ca8655506d551995cc58c0
SHA25641bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72
SHA5122e0e0a729d0da6e737b64705c9d18c320b1888609f940a187c2d8732006923022150d497d81e58925f615dbdedc58a564e4b93dd940cdc07a00ec09a92ab6cec
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Filesize
10KB
MD5df0c1062b69207999a01093275d9d1b0
SHA1e3babe3de97cd12955ca8655506d551995cc58c0
SHA25641bc88d88e0e521e833308475539f3427edd5bb2f6966729605e8fe58901db72
SHA5122e0e0a729d0da6e737b64705c9d18c320b1888609f940a187c2d8732006923022150d497d81e58925f615dbdedc58a564e4b93dd940cdc07a00ec09a92ab6cec