Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 02:47

General

  • Target

    f5e5065093aba6e737332f46cfd1b0672dd9c7025e599d9832f8b25b65033c94.exe

  • Size

    708KB

  • MD5

    cc3d25e47bf31f862ecf842f2f174951

  • SHA1

    91904f35dbe6a77a50766fef0d769674d96bd720

  • SHA256

    f5e5065093aba6e737332f46cfd1b0672dd9c7025e599d9832f8b25b65033c94

  • SHA512

    81e3b6e106491777e31558eee7afca3324bde7df45beb3dd93fc9d040b5b5b32b694ad07197a8842636cf19ba50080ff28e8d437e1d4592f496047ddfc276f29

  • SSDEEP

    12288:lCz/Ba5W2Meyb2GHVCAPwepEHIcQgS7bFnTMjt5a6hd1SeralhD:MrzlRZI6wOEocQgSXFTMZptrghD

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 3 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 3 IoCs
  • Detects executables packed with SmartAssembly 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 3 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 3 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 3 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5e5065093aba6e737332f46cfd1b0672dd9c7025e599d9832f8b25b65033c94.exe
    "C:\Users\Admin\AppData\Local\Temp\f5e5065093aba6e737332f46cfd1b0672dd9c7025e599d9832f8b25b65033c94.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2428
    • 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\f5e5065093aba6e737332f46cfd1b0672dd9c7025e599d9832f8b25b65033c94.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\msumoHssgOfI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2480
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\msumoHssgOfI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7EB1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2860
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2788

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp7EB1.tmp
      Filesize

      1KB

      MD5

      dc832b6851afc2d60987962b7ac9e46a

      SHA1

      32fb7a4a936450bb3155ed7af85c548bc1d10be2

      SHA256

      7fe44a032bdc3fdf030995e6083d4f22922f50c8c81a5af8bb36b049e592edca

      SHA512

      a81ecf8a7b6ff8b4dd52f48a09d4d39a90e9c7a0bc37a554425283e207222a874e3cb06aed0f9792c5c3cc780f5a92b641e46df14203a7d4b3e4840db22cd7fc

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
      Filesize

      7KB

      MD5

      f6f52bca7b39ef8e475fac420dd19827

      SHA1

      81d38a6d942c1b71d386f55697b18912163e8061

      SHA256

      d6e9904a6f3db1518b5a73b14fad1b715ad371aebffbdae5ce8a8635e8f1289e

      SHA512

      26d33d581ca5bece4e70832c5cc5293cc52d15ffefd5ec631c4928f6b2c9c2d177d9e8b34c5aa67453f2ead663000dc444fad8c8d9d2aa21aae12fe0b4f043c9

    • memory/2428-3-0x0000000000310000-0x0000000000322000-memory.dmp
      Filesize

      72KB

    • memory/2428-4-0x0000000000370000-0x000000000037C000-memory.dmp
      Filesize

      48KB

    • memory/2428-5-0x0000000005350000-0x00000000053D2000-memory.dmp
      Filesize

      520KB

    • memory/2428-2-0x0000000004D80000-0x0000000004DC0000-memory.dmp
      Filesize

      256KB

    • memory/2428-1-0x0000000074490000-0x0000000074B7E000-memory.dmp
      Filesize

      6.9MB

    • memory/2428-32-0x0000000004D80000-0x0000000004DC0000-memory.dmp
      Filesize

      256KB

    • memory/2428-0-0x0000000000F80000-0x0000000001036000-memory.dmp
      Filesize

      728KB

    • memory/2428-27-0x0000000074490000-0x0000000074B7E000-memory.dmp
      Filesize

      6.9MB

    • memory/2480-30-0x0000000001BC0000-0x0000000001C00000-memory.dmp
      Filesize

      256KB

    • memory/2480-18-0x000000006DF60000-0x000000006E50B000-memory.dmp
      Filesize

      5.7MB

    • memory/2480-33-0x000000006DF60000-0x000000006E50B000-memory.dmp
      Filesize

      5.7MB

    • memory/2480-22-0x000000006DF60000-0x000000006E50B000-memory.dmp
      Filesize

      5.7MB

    • memory/2480-28-0x0000000001BC0000-0x0000000001C00000-memory.dmp
      Filesize

      256KB

    • memory/2608-24-0x000000006DF60000-0x000000006E50B000-memory.dmp
      Filesize

      5.7MB

    • memory/2608-20-0x000000006DF60000-0x000000006E50B000-memory.dmp
      Filesize

      5.7MB

    • memory/2608-34-0x000000006DF60000-0x000000006E50B000-memory.dmp
      Filesize

      5.7MB

    • memory/2788-31-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2788-25-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2788-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2788-23-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2788-21-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2788-19-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB