Resubmissions

28-03-2024 07:09

240328-hyxz9ach39 10

28-03-2024 07:09

240328-hys2asch37 10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 07:09

General

  • Target

    DHL AWB_5934_5682.pdf.exe

  • Size

    1.1MB

  • MD5

    847bf4ff34d621e5c01b919c0e63621d

  • SHA1

    c8540089067d721c3a0b9cad59535b819199bca4

  • SHA256

    0c37804bab8e0a7989e85c5ad1a917e9daf2d9e10c96af9e4f0e5449bfb527aa

  • SHA512

    d90347c1e1cea250d1b7c9e66f90296c1c18d4d9ecd9b4dcb04709e2acabec694958107520108afc09130500d0df1d66cad9787efbe73a4d1580a1674f0ff7ff

  • SSDEEP

    24576:kqDEvCTbMWu7rQYlBQcBiT6rprG8aKuIhcQNWWWYV:kTvC/MTQYxsWR7aK5/NWWR

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6776344622:AAE2QGMduuZ12VrNAxC91B7E3v-RBpjCMNI/

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL AWB_5934_5682.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL AWB_5934_5682.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL AWB_5934_5682.pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2980 -s 664
      2⤵
      • Program crash
      PID:216
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2980 -ip 2980
    1⤵
      PID:2968

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2980-10-0x0000000000D50000-0x0000000000D54000-memory.dmp
      Filesize

      16KB

    • memory/3900-11-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/3900-12-0x00000000745A0000-0x0000000074D50000-memory.dmp
      Filesize

      7.7MB

    • memory/3900-13-0x0000000005E90000-0x0000000006434000-memory.dmp
      Filesize

      5.6MB

    • memory/3900-14-0x00000000059E0000-0x00000000059F0000-memory.dmp
      Filesize

      64KB

    • memory/3900-15-0x00000000059F0000-0x0000000005A56000-memory.dmp
      Filesize

      408KB

    • memory/3900-16-0x0000000006B60000-0x0000000006BB0000-memory.dmp
      Filesize

      320KB

    • memory/3900-17-0x0000000006C50000-0x0000000006CE2000-memory.dmp
      Filesize

      584KB

    • memory/3900-18-0x0000000006BD0000-0x0000000006BDA000-memory.dmp
      Filesize

      40KB

    • memory/3900-19-0x00000000745A0000-0x0000000074D50000-memory.dmp
      Filesize

      7.7MB

    • memory/3900-20-0x00000000059E0000-0x00000000059F0000-memory.dmp
      Filesize

      64KB