Analysis
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max time kernel
150s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
05-09-2024 12:23
Static task
static1
Behavioral task
behavioral1
Sample
b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe
Resource
win10v2004-20240802-en
General
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Target
b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe
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Size
3.2MB
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MD5
06dcb15ae610d9451fb568bc536069ee
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SHA1
611af21b221bd004e7546d2603793de501b4f38d
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SHA256
b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252
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SHA512
9ce44cf3089f267b8db94ae4bdb3e78655fefe0aab4125cae956f0fbef4aa161e6eaca1f3ac0b755d75e10a1e31a5231c450ac8a04fc461bd1dbf45ee92c19fb
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SSDEEP
49152:tJkY6l5vePmrlqqZZp/wuERzibxCfAz7x:bkY6l5vePGlp99b/x
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" svchost.exe -
AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/1208-30-0x00000000064E0000-0x00000000066F2000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe -
Executes dropped EXE 6 IoCs
pid Process 1208 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3276 icsys.icn.exe 2036 explorer.exe 2620 spoolsv.exe 3112 svchost.exe 3216 spoolsv.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\resources\\svchost.exe RO" explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\resources\\themes\\explorer.exe RO" svchost.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\explorer.exe explorer.exe File opened for modification C:\Windows\SysWOW64\explorer.exe svchost.exe -
Drops file in Windows directory 5 IoCs
description ioc Process File opened for modification C:\Windows\Resources\Themes\icsys.icn.exe b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe File opened for modification \??\c:\windows\resources\themes\explorer.exe icsys.icn.exe File opened for modification \??\c:\windows\resources\spoolsv.exe explorer.exe File opened for modification \??\c:\windows\resources\svchost.exe spoolsv.exe File opened for modification C:\Windows\Resources\tjud.exe explorer.exe -
System Location Discovery: System Language Discovery 1 TTPs 7 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 spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language icsys.icn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language explorer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 1208 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 1208 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 3276 icsys.icn.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 2036 explorer.exe 3112 svchost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1208 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 3276 icsys.icn.exe 3276 icsys.icn.exe 2036 explorer.exe 2036 explorer.exe 2620 spoolsv.exe 2620 spoolsv.exe 3112 svchost.exe 3112 svchost.exe 3216 spoolsv.exe 3216 spoolsv.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3584 wrote to memory of 1208 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 92 PID 3584 wrote to memory of 1208 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 92 PID 3584 wrote to memory of 1208 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 92 PID 3584 wrote to memory of 3276 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 96 PID 3584 wrote to memory of 3276 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 96 PID 3584 wrote to memory of 3276 3584 b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe 96 PID 3276 wrote to memory of 2036 3276 icsys.icn.exe 98 PID 3276 wrote to memory of 2036 3276 icsys.icn.exe 98 PID 3276 wrote to memory of 2036 3276 icsys.icn.exe 98 PID 2036 wrote to memory of 2620 2036 explorer.exe 99 PID 2036 wrote to memory of 2620 2036 explorer.exe 99 PID 2036 wrote to memory of 2620 2036 explorer.exe 99 PID 2620 wrote to memory of 3112 2620 spoolsv.exe 101 PID 2620 wrote to memory of 3112 2620 spoolsv.exe 101 PID 2620 wrote to memory of 3112 2620 spoolsv.exe 101 PID 3112 wrote to memory of 3216 3112 svchost.exe 102 PID 3112 wrote to memory of 3216 3112 svchost.exe 102 PID 3112 wrote to memory of 3216 3112 svchost.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe"C:\Users\Admin\AppData\Local\Temp\b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3584 -
\??\c:\users\admin\appdata\local\temp\b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exec:\users\admin\appdata\local\temp\b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe2⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Executes dropped EXE
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1208
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C:\Windows\Resources\Themes\icsys.icn.exeC:\Windows\Resources\Themes\icsys.icn.exe2⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3276 -
\??\c:\windows\resources\themes\explorer.exec:\windows\resources\themes\explorer.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2036 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe SE4⤵
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2620 -
\??\c:\windows\resources\svchost.exec:\windows\resources\svchost.exe5⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3112 -
\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3216
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4276,i,13995403245988825027,7033610968827661507,262144 --variations-seed-version --mojo-platform-channel-handle=3864 /prefetch:81⤵PID:3168
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Modify Registry
2Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\b6d43405e5d36e6e74de2ff2d22d864edb0db18f9db4e928def7155054b4e252.exe
Filesize3.1MB
MD50c33284728a138decf9bf5229bc1272a
SHA141bac3740aee663620d82503e7dda4cd3f564eb7
SHA256ad013bc1676f0fb7f9dd576d5d96e4b121770756abeb70379e01d0003dca8681
SHA5120c9a0647418ffdf03ca31db1fbe7152a301953d1fe9a7115f18271c4690ed72af0e2b0acf9f6ad05234e6faa7cba759d815435cb67536a1253f1959a953a6622
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Filesize
135KB
MD5e0ce927092f7bbe4c3ff2d33e0ddd784
SHA1fd8ff5eb972de4488fc280ce50a9b3c923a4d4ca
SHA25618c456fa2da34d7f9c2ea9e041a5fb137c641f491e0da4c8a1c60390d52c7596
SHA5121e9fb6696d2dd03d81065de9ee246f2f406170f5aa442380bd84cd69445f23a1f3553b9fbf4c42a051c9feeeb80067c1573542ac7b661647e3e594bd30785b95
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Filesize
135KB
MD5a082983f3d6f012f8b211bcac9df371d
SHA18f13e36f5ec891cf4eccfc77694b6268f50f07d9
SHA2569a45fb25503111878442721305dfd9f5c9bd9cf3e60e1d5b5e9c754b48166253
SHA512b5d3c96efb0d84ee4d7c968ea90d7c75b8203667ea9beaa655e6507f03d146e5fccbfb45561559085fdba9e016c645959f6e510cb8a43a351aa4ac856253b04a
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Filesize
135KB
MD574fa9fabaaba7cbb2db5ef3cdfca597e
SHA1c47599b53ff58f2c2e008f9828757df23846df41
SHA2568c3ae3dc64e8959a43dfb9bf8f7209755aed09c8b9dc9bcf91e6cf55c4693a63
SHA512a718674860a5a7cbbca48be921f14e543c3f1728896c6ce93dc295da58f57ac4212799e58287720251d7d0c33d3d6af32d0b87f09c2c9570b3f1017e84474a9b
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Filesize
135KB
MD5ba0e67b578123d12d2f270e0ad1ef48c
SHA1d29ae52c2d4327bbae984f42876ea7959b8ca13e
SHA2560a4988c138e98f4cfa5a452b7a1192f0ea36dc323d8d8b458034790e5bb6c500
SHA512a584a8889d2939c37a2d49f66f02ee79163987d2f782f3db02e9041923df26a1fc6aacc128a0eb24c6e6d1afc01ece51e7f70c9d37f269d8a062ebf6e6545f79