Analysis

  • max time kernel
    118s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 17:14

General

  • Target

    8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7.exe

  • Size

    875KB

  • MD5

    10a12d74b0af33d14a4923d86fe73c11

  • SHA1

    9fbdb5bc06316b92ecaea2cec3354654a9dff3bc

  • SHA256

    8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7

  • SHA512

    0755f1b30ee83f550686b46c2f77a69c9fde72b8a1c2870aed94405dd6fa7327ce4f6ab50f567fb354b577dc95f6b3f61d1dd74b8db0bd8f8db7919a42082842

  • SSDEEP

    24576:cmzfJNIl+jJLp4wFRo3yc03LWhZDW5sIO1A:cUzh7o3R03LWr2O

Malware Config

Extracted

Family

agenttesla

C2

https://discordapp.com/api/webhooks/1181498491458035742/1cF67FyYbH5hKZiQFxnepGP9ouAxF_JrbATJrR-c9cynhriJsqMv6wgLBGq6n67jkbl-

Signatures

  • AgentTesla

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

  • 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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7.exe
    "C:\Users\Admin\AppData\Local\Temp\8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7.exe
      "C:\Users\Admin\AppData\Local\Temp\8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7.exe"
      2⤵
        PID:2772
      • C:\Users\Admin\AppData\Local\Temp\8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7.exe
        "C:\Users\Admin\AppData\Local\Temp\8fc72d1b6bc15fbb7bcae8822b98c280b19359f20ed59dcec111ce4d70efbaa7.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2768

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar70C2.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • memory/2180-21-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/2180-1-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/2180-2-0x0000000004E80000-0x0000000004EC0000-memory.dmp

      Filesize

      256KB

    • memory/2180-3-0x0000000000340000-0x0000000000358000-memory.dmp

      Filesize

      96KB

    • memory/2180-4-0x0000000000360000-0x0000000000368000-memory.dmp

      Filesize

      32KB

    • memory/2180-5-0x00000000003C0000-0x00000000003CA000-memory.dmp

      Filesize

      40KB

    • memory/2180-6-0x0000000005DC0000-0x0000000005E52000-memory.dmp

      Filesize

      584KB

    • memory/2180-7-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/2180-0-0x00000000009A0000-0x0000000000A82000-memory.dmp

      Filesize

      904KB

    • memory/2768-18-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2768-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2768-16-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2768-12-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2768-10-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2768-9-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2768-23-0x0000000002340000-0x0000000002380000-memory.dmp

      Filesize

      256KB

    • memory/2768-22-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/2768-20-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2768-8-0x0000000000400000-0x0000000000444000-memory.dmp

      Filesize

      272KB

    • memory/2768-60-0x0000000074930000-0x000000007501E000-memory.dmp

      Filesize

      6.9MB

    • memory/2768-61-0x0000000002340000-0x0000000002380000-memory.dmp

      Filesize

      256KB