Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:25

General

  • Target

    167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe

  • Size

    844KB

  • MD5

    2b09b0e829ae8e3baf44ea7597e9d83a

  • SHA1

    23e22129c79e41808ba77bf99a1bf8e77d8e5182

  • SHA256

    167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad

  • SHA512

    82a3e5a413fd985ab0e868fba65312429a5686fa49f91d19ca670bf85988f3548205bd7b6ab69c6f0080555726a83bbc309b57917004c7bb7957f94235da9a4e

  • SSDEEP

    12288:SJx504bFtx504bFWxETdmtCJET9OziEECUBOwHOGnaOjiobasXd37G:gw4bjw4bnpRzMOQbTN7

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe
    "C:\Users\Admin\AppData\Local\Temp\167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2356
    • 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\167a7a33c321ff9bf91a313c19edb14c195c34662c465560a868e6d2d8f214ad.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SePSCGQw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SePSCGQw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp534E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp534E.tmp

    Filesize

    1KB

    MD5

    54f9f8b2b3e88e12685db98bb4e258cf

    SHA1

    69b73263fb767fc193115a70aa4bf209dd1ab7e4

    SHA256

    33c8fd0f8fac14e6ab6c45fadb8ca7ace5d4750ad1e1f6d9c0af611ab27641f9

    SHA512

    48cd06c4355100e3fc90ac69f086d1b5419c71465a7ca0319097abb5b815ffa2f6521d0b16302bbca61570a0db46054c2afa156a7f3a9b74e6ab81867482d5d7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\7NUW944IQGXY5Y3URABT.temp

    Filesize

    7KB

    MD5

    855517f9d85877b08c885bcc0f5c8066

    SHA1

    1ccb6db0dae2ce5b6844fe7efa405a517bfce7ac

    SHA256

    508fdf9000d4653dbc97c3afea04aad7a04b182e7dd1ab10ce2a0a2f6c6efb1b

    SHA512

    5a308db8689d36e7d18d57ac9a08ebcd24832bdba634c58f01524be80c3b4ba4407904626fcdb3b8bdfa2a15cb4953084c293860ecfad9e99405c9aadfb208d6

  • memory/2356-0-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/2356-1-0x00000000001A0000-0x0000000000276000-memory.dmp

    Filesize

    856KB

  • memory/2356-3-0x0000000074990000-0x000000007507E000-memory.dmp

    Filesize

    6.9MB

  • memory/2356-2-0x0000000000730000-0x000000000074A000-memory.dmp

    Filesize

    104KB

  • memory/2356-4-0x0000000000390000-0x00000000003A0000-memory.dmp

    Filesize

    64KB

  • memory/2356-5-0x0000000005620000-0x00000000056A4000-memory.dmp

    Filesize

    528KB

  • memory/2356-18-0x00000000009A0000-0x00000000009E2000-memory.dmp

    Filesize

    264KB

  • memory/2356-19-0x000000007499E000-0x000000007499F000-memory.dmp

    Filesize

    4KB

  • memory/2356-20-0x0000000074990000-0x000000007507E000-memory.dmp

    Filesize

    6.9MB