Analysis
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max time kernel
135s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
06/02/2023, 21:44
Static task
static1
Behavioral task
behavioral1
Sample
67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe
Resource
win10v2004-20221111-en
General
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Target
67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe
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Size
10.9MB
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MD5
a34f517fcc6d7e01c16de85bc840463f
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SHA1
ddb1513d65a2017d921d77551eabf4b7bdb52be2
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SHA256
67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e
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SHA512
69e9d8a805eb4924ed0514f787aa0fd7ef01abdf98d19307c4a2b063745b8d9b36755e867a55793c9a209bf954acc73271ec010b6696873faeeca2be1264141b
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SSDEEP
196608:ZMz5MoWhAS/HUC3YHTJR0RKT262Ag1FeWGSkyvrqjNbbFbfpQV:29f2x/j6TJRg62AnSk3j1p2
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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe -
Executes dropped EXE 1 IoCs
pid Process 4368 USOPrivateMicrosoft-type6.8.5.4.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\USOPrivateMicrosoft-type6.8.5.4 = "C:\\ProgramData\\USOPrivateMicrosoft-type6.8.5.4\\USOPrivateMicrosoft-type6.8.5.4.exe" 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.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 4 IoCs
pid Process 456 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe 456 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe 4368 USOPrivateMicrosoft-type6.8.5.4.exe 4368 USOPrivateMicrosoft-type6.8.5.4.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 456 wrote to memory of 4368 456 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe 80 PID 456 wrote to memory of 4368 456 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe 80 PID 456 wrote to memory of 4368 456 67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe"C:\Users\Admin\AppData\Local\Temp\67c3a31dbdebe5d26d86110a2e8191bd38bf39ec762273d5b762c148be72f35e.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:456 -
C:\ProgramData\USOPrivateMicrosoft-type6.8.5.4\USOPrivateMicrosoft-type6.8.5.4.exe"C:\ProgramData\USOPrivateMicrosoft-type6.8.5.4\USOPrivateMicrosoft-type6.8.5.4.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:4368
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
616.6MB
MD55264d6a7ebb39c1821f234ea26abae76
SHA12446a19623d8ee4cda0cb97171a097040acd563a
SHA256c0bd3373f10ccac0a29793677a35c10e86443d62303b1ed8f305fb9107a9a4de
SHA5122f4528807238d23c6fcf6880bc2a2371651938b103db41fc01d29605eb58483433d0e84615af6133e8fe918fc097dfd5a46e60a8f10ffd5e6172d50cea007005
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Filesize
616.6MB
MD55264d6a7ebb39c1821f234ea26abae76
SHA12446a19623d8ee4cda0cb97171a097040acd563a
SHA256c0bd3373f10ccac0a29793677a35c10e86443d62303b1ed8f305fb9107a9a4de
SHA5122f4528807238d23c6fcf6880bc2a2371651938b103db41fc01d29605eb58483433d0e84615af6133e8fe918fc097dfd5a46e60a8f10ffd5e6172d50cea007005