Analysis
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max time kernel
142s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
06/03/2023, 03:00
Static task
static1
Behavioral task
behavioral1
Sample
4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe
Resource
win10v2004-20230220-en
General
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Target
4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe
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Size
2.4MB
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MD5
1744f515c323c0ef6f1d0391be4e91f6
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SHA1
ea7f5e102e1293cac155067575fb57660bda6bb7
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SHA256
4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b
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SHA512
22e9fb5978870f3d00dc786783e71d5eb5d6067af8314c93961a04321c7db04831ff31143e09ec273af41ed8af8bd2cb4b4013a82f98b3a0edf99deb2d31dfc1
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SSDEEP
49152:fjcclWxLdFtHuh7iKo1QaCDM1pPo3w/UoNg5zF4C:x
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-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.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: EnumeratesProcesses 2 IoCs
pid Process 4632 powershell.exe 4632 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4632 powershell.exe Token: SeDebugPrivilege 1656 4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1656 wrote to memory of 4632 1656 4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe 85 PID 1656 wrote to memory of 4632 1656 4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe 85 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe"C:\Users\Admin\AppData\Local\Temp\4383cef59e52f0b76f739f147cbd6ee7a99c5e1a2a90559cab040fe72cd39a1b.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4632
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82