Analysis
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max time kernel
94s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-11-2024 01:01
Static task
static1
Behavioral task
behavioral1
Sample
8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe
Resource
win10v2004-20241007-en
General
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Target
8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe
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Size
255KB
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MD5
99818b30fad7b1cf91e8a7ffb6417630
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SHA1
cd3a1c3d3c0233d023c8b3f0a6c04b7f0271c6ba
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SHA256
8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339
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SHA512
94ee4039ee97cdba52809556d17f2ec6b0facd1f51082f797b7522348b98520479cbb3c196da5944cbb42b0a8960ff7be66b4ef1724112a2e782203d2b54c873
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SSDEEP
6144:85p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ+r:EeGUA5YZazpXUmZhlr
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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe -
Executes dropped EXE 1 IoCs
pid Process 2928 a1punf5t2of.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" 8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.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 8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1punf5t2of.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1364 wrote to memory of 2928 1364 8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe 100 PID 1364 wrote to memory of 2928 1364 8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe 100 PID 1364 wrote to memory of 2928 1364 8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe 100 PID 2928 wrote to memory of 1500 2928 a1punf5t2of.exe 101 PID 2928 wrote to memory of 1500 2928 a1punf5t2of.exe 101 PID 2928 wrote to memory of 1500 2928 a1punf5t2of.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe"C:\Users\Admin\AppData\Local\Temp\8c62ea1c8a275d9c558c2f8f2ef0d917a1007d86de7273025dd50249fa5e3339N.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"3⤵PID:1500
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
255KB
MD5a63ca49a0aa4d85250d56441405f32fa
SHA13c0c4c8a6f35323065c4abc0b2f784cdfd40e2ff
SHA2566f3495d70776c5a637f79740eafd8438aaffccd6bc55b5134290a922bb9a12b2
SHA512af5ad255dc35b6b0a1a3e883c8e28a764e15f27bb685b670458051fe5d02be61e7e0575dd80ecb4e063d815ba4ba113f8fce74c160f74360f6d5cc1c99eb21c9