Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240730-en -
resource tags
arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2024 00:53
Static task
static1
Behavioral task
behavioral1
Sample
283f2c9a8fc3bf7bb658be696981da27.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
283f2c9a8fc3bf7bb658be696981da27.exe
Resource
win10v2004-20240730-en
General
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Target
283f2c9a8fc3bf7bb658be696981da27.exe
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Size
559KB
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MD5
283f2c9a8fc3bf7bb658be696981da27
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SHA1
5ccf04ba9544a0a834975c8f2342d3e628a3806d
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SHA256
f3a27f3d4a44f3c4615a2a3066d766f1c0281d350a20d96ef579ec8f3e24459f
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SHA512
eea5b5a5fcb0ea0f66d6502bab35d5fc250294a029bd2d057c96614da137adff9af71e067aac6fb4680b90a3658d7ad3341c268d495379f846b30597406d819e
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SSDEEP
12288:/ZJtAgzmWOt9BgBtCMvHk2alzDxNApin5w8qGZLUEUVB5fc6qH:BJtAguyjCeHCzDxlVZLUECfc
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\Control Panel\International\Geo\Nation 283f2c9a8fc3bf7bb658be696981da27.exe Key value queried \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\Control Panel\International\Geo\Nation zsdafg.exe -
Executes dropped EXE 3 IoCs
pid Process 4044 zsdafg.exe 4116 zsdafg.exe 2408 zsdafg.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-857544305-989156968-2929034274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\zsdafg.exe" 283f2c9a8fc3bf7bb658be696981da27.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File opened for modification C:\Windows\assembly\Desktop.ini zsdafg.exe File created C:\Windows\assembly\Desktop.ini zsdafg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4044 set thread context of 4116 4044 zsdafg.exe 85 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly zsdafg.exe File created C:\Windows\assembly\Desktop.ini zsdafg.exe File opened for modification C:\Windows\assembly\Desktop.ini zsdafg.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 4 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 283f2c9a8fc3bf7bb658be696981da27.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zsdafg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zsdafg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language zsdafg.exe -
Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 2028 283f2c9a8fc3bf7bb658be696981da27.exe 2028 283f2c9a8fc3bf7bb658be696981da27.exe 2028 283f2c9a8fc3bf7bb658be696981da27.exe 2028 283f2c9a8fc3bf7bb658be696981da27.exe 2028 283f2c9a8fc3bf7bb658be696981da27.exe 2028 283f2c9a8fc3bf7bb658be696981da27.exe 4044 zsdafg.exe 4044 zsdafg.exe 4044 zsdafg.exe 4044 zsdafg.exe 4044 zsdafg.exe 4044 zsdafg.exe 4044 zsdafg.exe 4044 zsdafg.exe 2408 zsdafg.exe 2408 zsdafg.exe 2408 zsdafg.exe 2408 zsdafg.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4116 zsdafg.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 2028 283f2c9a8fc3bf7bb658be696981da27.exe Token: SeDebugPrivilege 4044 zsdafg.exe Token: SeDebugPrivilege 4116 zsdafg.exe Token: 33 4116 zsdafg.exe Token: SeIncBasePriorityPrivilege 4116 zsdafg.exe Token: SeDebugPrivilege 2408 zsdafg.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4116 zsdafg.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2028 wrote to memory of 4044 2028 283f2c9a8fc3bf7bb658be696981da27.exe 84 PID 2028 wrote to memory of 4044 2028 283f2c9a8fc3bf7bb658be696981da27.exe 84 PID 2028 wrote to memory of 4044 2028 283f2c9a8fc3bf7bb658be696981da27.exe 84 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 4116 4044 zsdafg.exe 85 PID 4044 wrote to memory of 2408 4044 zsdafg.exe 86 PID 4044 wrote to memory of 2408 4044 zsdafg.exe 86 PID 4044 wrote to memory of 2408 4044 zsdafg.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\283f2c9a8fc3bf7bb658be696981da27.exe"C:\Users\Admin\AppData\Local\Temp\283f2c9a8fc3bf7bb658be696981da27.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028 -
C:\Users\Admin\AppData\Roaming\zsdafg.exe"C:\Users\Admin\AppData\Roaming\zsdafg.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044 -
C:\Users\Admin\AppData\Roaming\zsdafg.exe"C:\Users\Admin\AppData\Roaming\zsdafg.exe"3⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4116
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C:\Users\Admin\AppData\Roaming\zsdafg.exe"C:\Users\Admin\AppData\Roaming\zsdafg.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2408
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
559KB
MD5283f2c9a8fc3bf7bb658be696981da27
SHA15ccf04ba9544a0a834975c8f2342d3e628a3806d
SHA256f3a27f3d4a44f3c4615a2a3066d766f1c0281d350a20d96ef579ec8f3e24459f
SHA512eea5b5a5fcb0ea0f66d6502bab35d5fc250294a029bd2d057c96614da137adff9af71e067aac6fb4680b90a3658d7ad3341c268d495379f846b30597406d819e