Analysis
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max time kernel
54s -
max time network
61s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
28/09/2024, 19:50
Static task
static1
Behavioral task
behavioral1
Sample
54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe
Resource
win10v2004-20240802-en
General
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Target
54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe
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Size
635KB
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MD5
bfd012c5ae9040bdc2c112884595101b
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SHA1
c76b34ef2786272260efd531deb8f64dca040a32
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SHA256
54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85
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SHA512
3760f43b7074cd237c8e90084796a599579e2ae0e74a9dd534ac072b94c7b67721b5efc013677cd13c9b987afbb246c814841d35905b83889399b5f4efdc3619
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SSDEEP
6144:fBDHmrz4niNy8o3Zp/TWt+g4RQTDUBO8/2vh+ziDV8m56TBac2GuP:5DHmoniNy8L8g4RgoBO8/2vhDX56TY
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe -
Executes dropped EXE 1 IoCs
pid Process 4224 DBSever0.EXE -
Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\WDDBSever0.EXE = "\"C:\\Windows\\DBSever0.EXE\" /Auto" DBSever0.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDDBSever0.EXE = "\"C:\\Windows\\DBSever0.EXE\" /Auto" DBSever0.EXE Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\WDDBSever0.EXE = "\"C:\\Windows\\DBSever0.EXE\" /Auto" 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\DBSever0.EXE 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe File created C:\Windows\DBSever0.EXE 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe File opened for modification C:\Windows\DBSever0.KInf DBSever0.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 3 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 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DBSever0.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4224 DBSever0.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4888 wrote to memory of 4224 4888 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe 82 PID 4888 wrote to memory of 4224 4888 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe 82 PID 4888 wrote to memory of 4224 4888 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe 82 PID 4888 wrote to memory of 4536 4888 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe 83 PID 4888 wrote to memory of 4536 4888 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe 83 PID 4888 wrote to memory of 4536 4888 54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe"C:\Users\Admin\AppData\Local\Temp\54eb180e8eaa667b82be723066f29b14456b00d8a69c100d56f9a530398fba85.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4888 -
C:\Windows\DBSever0.EXEC:\Windows\DBSever0.EXE2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4224
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Temp0.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:4536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
302B
MD53e38bd4381d7436a12050e7d3694f2f4
SHA1b11398839b605f5ff90c44329687f7211cdbacbb
SHA25608cd90f4174f01a6db407ad4eb9a796831c96b3d6dfc0d8094968286c83cecf0
SHA512bc9add20da92e5015307c164dfcbcc53fa35a24f05ccc923071dbb8176dd64ab437429f454f41659bf9b732dfc5cd5a3ccbf8d4f2d75f3ce664c969c52375701
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Filesize
636KB
MD540bfa3555056d3efea92710b7599ef16
SHA1fba07b8f8cdea776326ecddadf2007483414ee33
SHA256345024717c977d02c4821334f6e7cce22cd64c53a28d94ed34e2f238ab4a8320
SHA512d2b959afc72a6b365f80fa5ed69b26dccabcb6579c6c8183d2a193b2a400e96f055fe039374c8773fee1a079e4fecc53e9f7baca94b72e9449004e3f68cefe3b