Analysis
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max time kernel
150s -
max time network
105s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
05-09-2024 06:31
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
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AgentTesla payload 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE 6 IoCs
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Adds Run key to start application 2 TTPs 4 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory 2 IoCs
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Drops file in Windows directory 5 IoCs
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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.
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Enumerates system info in registry 2 TTPs 3 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 12 IoCs
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Suspicious use of WriteProcessMemory 18 IoCs
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
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\??\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 use of AdjustPrivilegeToken
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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
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\??\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
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\??\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
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\??\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
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\??\c:\windows\resources\spoolsv.exec:\windows\resources\spoolsv.exe PR6⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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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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Filesize
3.1MB
MD50c33284728a138decf9bf5229bc1272a
SHA141bac3740aee663620d82503e7dda4cd3f564eb7
SHA256ad013bc1676f0fb7f9dd576d5d96e4b121770756abeb70379e01d0003dca8681
SHA5120c9a0647418ffdf03ca31db1fbe7152a301953d1fe9a7115f18271c4690ed72af0e2b0acf9f6ad05234e6faa7cba759d815435cb67536a1253f1959a953a6622
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Filesize
135KB
MD500780eb851421de5ac1e674adf2d6231
SHA1e2355b76db66a06cc6aeb2209a6dfdd7fc1058f6
SHA256d4cbdad4a991d006a39b6ba179aa4449371d072a402c4eb83670346ef880cfee
SHA512e06904351f300c9b273c063f630d6d4f56a8258d324575ae633441446ceec48de24c0e763a9bbf5f927242ab12fc1d2541d897f6c1cad0011fb40cf9078725de
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Filesize
135KB
MD5a082983f3d6f012f8b211bcac9df371d
SHA18f13e36f5ec891cf4eccfc77694b6268f50f07d9
SHA2569a45fb25503111878442721305dfd9f5c9bd9cf3e60e1d5b5e9c754b48166253
SHA512b5d3c96efb0d84ee4d7c968ea90d7c75b8203667ea9beaa655e6507f03d146e5fccbfb45561559085fdba9e016c645959f6e510cb8a43a351aa4ac856253b04a
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Filesize
135KB
MD5b0d90b18e84c7ddcf73b7945179ee83a
SHA110344dd21092c3d5e8099a1a485589de1855a58e
SHA256b98547ea39f8b4791d3f56135eb55410f962aebe9771cf4aaa23c7659e028793
SHA51216626bf2b9c1a9bd616e0d62e013dca646a057f9fade24552940fc0f5575e33e4b19d5684d726f69c2c5d3237d756caa7416bee19ac59aa32ab1e8fd94c46415
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Filesize
135KB
MD516f8be46771bf018399fd5847780fdf0
SHA1332b736810a66710c1061b1440cdf2ea7901b8fa
SHA25671caf84b25b929bbba43404e5a97242791e945b4b5989ac8cb9310632ebd91f1
SHA5120457c8e7e0667bfeb15fd41794bfefe0180f613f2a7f636ee889fa49a62ce74f6119aa5b9baea46e67507199cfea51346d9eeb55df7059c51caf9ad678bb6272
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
124KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
2.1MB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
408KB
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Filesize
1.4MB
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Filesize
72KB
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Filesize
712KB
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Filesize
136KB
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Filesize
3.3MB
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Filesize
240KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
3.1MB
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Filesize
4KB