Analysis
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max time kernel
119s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
08-09-2024 18:10
Static task
static1
Behavioral task
behavioral1
Sample
27b04b42d5706f5e29f7eb80e232d6d0N.exe
Resource
win7-20240903-en
General
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Target
27b04b42d5706f5e29f7eb80e232d6d0N.exe
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Size
282KB
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MD5
27b04b42d5706f5e29f7eb80e232d6d0
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SHA1
8baddc8fe43478936c7b3571468be68832b03890
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SHA256
536487a863b91906226c0697373b5374e78246dc58bcb9afa281676901080277
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SHA512
1167d68007e053b89038796203757424fda5fe2387748ba3dfbecc26107c91cbe958ef2c8bfdea302e0fc5b2c312529d802a6b931f8cc3809a754399b9aef7e8
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SSDEEP
6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfz:boSeGUA5YZazpXUmZhZ6SS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2764 a1punf5t2of.exe -
Loads dropped DLL 2 IoCs
pid Process 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 2764 a1punf5t2of.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" 27b04b42d5706f5e29f7eb80e232d6d0N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 27b04b42d5706f5e29f7eb80e232d6d0N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1punf5t2of.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1036 wrote to memory of 2764 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 30 PID 1036 wrote to memory of 2764 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 30 PID 1036 wrote to memory of 2764 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 30 PID 1036 wrote to memory of 2764 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 30 PID 1036 wrote to memory of 2764 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 30 PID 1036 wrote to memory of 2764 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 30 PID 1036 wrote to memory of 2764 1036 27b04b42d5706f5e29f7eb80e232d6d0N.exe 30 PID 2764 wrote to memory of 2956 2764 a1punf5t2of.exe 31 PID 2764 wrote to memory of 2956 2764 a1punf5t2of.exe 31 PID 2764 wrote to memory of 2956 2764 a1punf5t2of.exe 31 PID 2764 wrote to memory of 2956 2764 a1punf5t2of.exe 31 PID 2764 wrote to memory of 2956 2764 a1punf5t2of.exe 31 PID 2764 wrote to memory of 2956 2764 a1punf5t2of.exe 31 PID 2764 wrote to memory of 2956 2764 a1punf5t2of.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\27b04b42d5706f5e29f7eb80e232d6d0N.exe"C:\Users\Admin\AppData\Local\Temp\27b04b42d5706f5e29f7eb80e232d6d0N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1036 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"3⤵PID:2956
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
282KB
MD5dc8e421faa436dffe6e0df67e0537e1d
SHA122495acf97d20c843e8181069401021e06092f9a
SHA256ab42f92b991110968240d0fa2e1f6368c5e23b1257f6654140fc676d7a7334af
SHA512d790bc2f5b2c7a70790a5fe7e272ac29da9352f7ec0e62de3977324f71111055e9f15e159b1501862f1abf67f3d3968ccd1e085c6d71c930d2111a3210755c04