Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
30-04-2024 00:31
General
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Target
SecuriteInfo.com.Heur.32701.exe
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Size
783KB
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MD5
f17de52fcf8876fe0f7dfe27938821ad
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SHA1
643627151448795c6d296cc2c9c5be59937da4d9
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SHA256
98b85ee0663117740bdac3c6af9fd2c637206f83be0978b865bc9cce1cc2eb51
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SHA512
a6a3266955c430eff1a78612de56b4442d2818ec4363f8efd91a44c7dbbcf94a6d3731d47959496c05851c306e223f6826ab140ec373cd1e0ee5f052dcb1bce0
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SSDEEP
24576:QlPmicd0uitF0I/tI6WHft8xjmq5c30l:QluicdaWHl8xy/k
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.starmech.net - Port:
587 - Username:
[email protected] - Password:
nics123 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 21 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.32701.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.32701.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.32701.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\tNRjyjsAFX.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tNRjyjsAFX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp390A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.32701.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.32701.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp390A.tmpFilesize
1KB
MD586eb25ac45c4b043bbd0938a49917902
SHA1215205fe35e65c166c3973593e0bbfbbd58a318a
SHA2565ca81899a536a5ff28d09e185a4255682f6cebdaca0ed540961d9665daa09e22
SHA5126cfc3062d3bd8a5ebb6813f683d45322cd19b0dc9dbdc76f8519f1d57f9542ce37ecbd07be9ef42b0980fd98da5243ecbd48072675bbaffb4f2bb6b7ce534b1c
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-msFilesize
7KB
MD598f5e7097b65c9bf46534958eecda5aa
SHA1540f6537b5f00fc5ac30e7b808b167f472132c31
SHA256739fe2c4f7fde6fecb81c3e2aad8592b05bb95efef0c118788ea836b6714a85f
SHA512f0f18d210f6c9624f8b5771a74dabaf38ca5b60ff777d1da527f48392f458526647730db2a33518c8a45917baa2dc034750bc2b8895573698ee1410690363fd3
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memory/1740-4-0x00000000006C0000-0x00000000006CE000-memory.dmpFilesize
56KB
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memory/1740-31-0x0000000074E40000-0x000000007552E000-memory.dmpFilesize
6.9MB
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memory/1740-0-0x0000000000050000-0x000000000011A000-memory.dmpFilesize
808KB
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memory/1740-5-0x00000000006E0000-0x00000000006F6000-memory.dmpFilesize
88KB
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memory/1740-6-0x0000000004DB0000-0x0000000004E34000-memory.dmpFilesize
528KB
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memory/1740-2-0x0000000004D70000-0x0000000004DB0000-memory.dmpFilesize
256KB
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memory/1740-1-0x0000000074E40000-0x000000007552E000-memory.dmpFilesize
6.9MB
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memory/1740-3-0x00000000006A0000-0x00000000006B8000-memory.dmpFilesize
96KB
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memory/2580-19-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2580-29-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2580-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2580-25-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2580-21-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2580-30-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2580-24-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB
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memory/2580-28-0x0000000000400000-0x0000000000442000-memory.dmpFilesize
264KB