Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    09-10-2023 07:48

General

  • Target

    Shipping_Document-001222890.exe

  • Size

    782KB

  • MD5

    f2fe88b581743e12a33d2218ea90c470

  • SHA1

    8538b393ee59d2e0fc286e23d8a1d999f3249f14

  • SHA256

    1f22495e0f459d46c901746a490c146552173cb83d629bdb694f5961c09be657

  • SHA512

    4596943cd12032dbcd8b962050fe43abff7c78030c471b6df56644ffa95bfd27ea0a1a42adedfc188c3933f0d33ba190f26de98ecc8347a2633c5b1857a21a35

  • SSDEEP

    12288:Ktx1TuJM7w/QwacdVS6j4xgZYv/cNoPLx+hkQPFtF:iJZw3Nj4hcePLxukQPF

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping_Document-001222890.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping_Document-001222890.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2620
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jhEapWyuDHo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE273.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2916
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE273.tmp

    Filesize

    1KB

    MD5

    98ecbaf67c60c6f140f4f0fa728c6479

    SHA1

    042a2eeee98d7416398072530641d9ab582fb7d1

    SHA256

    303d7e6ee91e70bc73cf57972227afb3f7859f920ebb9acc53d9746cc9fd0eb0

    SHA512

    6faf7b191d688347ac6f5c87e18e28664de81f13d381e630b1e60275f3cc1f261db3daf79790571cf98873a0c21d68bc30f57db7d69ba84602322ccec2452e84

  • memory/2548-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2548-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2548-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2548-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2548-28-0x0000000073F00000-0x00000000745EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2548-26-0x00000000020A0000-0x00000000020E0000-memory.dmp

    Filesize

    256KB

  • memory/2548-25-0x0000000073F00000-0x00000000745EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2548-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2548-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2548-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2548-29-0x00000000020A0000-0x00000000020E0000-memory.dmp

    Filesize

    256KB

  • memory/2548-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2620-7-0x00000000051D0000-0x0000000005250000-memory.dmp

    Filesize

    512KB

  • memory/2620-1-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-0-0x0000000000180000-0x0000000000248000-memory.dmp

    Filesize

    800KB

  • memory/2620-21-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB

  • memory/2620-3-0x0000000000590000-0x000000000059C000-memory.dmp

    Filesize

    48KB

  • memory/2620-8-0x0000000002100000-0x0000000002142000-memory.dmp

    Filesize

    264KB

  • memory/2620-2-0x0000000004CD0000-0x0000000004D10000-memory.dmp

    Filesize

    256KB

  • memory/2620-6-0x0000000004CD0000-0x0000000004D10000-memory.dmp

    Filesize

    256KB

  • memory/2620-5-0x0000000004CD0000-0x0000000004D10000-memory.dmp

    Filesize

    256KB

  • memory/2620-4-0x0000000073F80000-0x000000007466E000-memory.dmp

    Filesize

    6.9MB