Analysis

  • max time kernel
    90s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2023, 15:21

General

  • Target

    839954cbf452a119a435a65a98d282c1.exe

  • Size

    726KB

  • MD5

    839954cbf452a119a435a65a98d282c1

  • SHA1

    a407c39870c97a9d5d2d0a38d84f3ffaf960e0d8

  • SHA256

    929030c5ca3c01f22c8ecbb5fc41e507dd872c8215995aa40312e8d83df4a718

  • SHA512

    01652a2669a24244d425633f10cfa852f822d353d4b7bf529bb6306dfd111b25d76855cba0566c39daa95986218121bd1052b4fe245651771cbb215b5a556a9f

  • SSDEEP

    12288:tlBO5ZZC/W2n9JXQpjYhWEA58u/LsdzhoHo58bSAcGBkstZAEv8qIhn:tlqTC/fmjYhWt/4dFoHlbSSusDAEvHIh

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1360033246:AAF6H8m6YrL09doyxtsvJzZ_cIl__BCF4aU/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe
    "C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe
      "C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"
      2⤵
        PID:268
      • C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe
        "C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"
        2⤵
          PID:668
        • C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe
          "C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"
          2⤵
            PID:1344
          • C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe
            "C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"
            2⤵
              PID:1920
            • C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe
              "C:\Users\Admin\AppData\Local\Temp\839954cbf452a119a435a65a98d282c1.exe"
              2⤵
              • Adds Run key to start application
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:520

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/520-66-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/520-68-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/520-72-0x00000000048A0000-0x00000000048E0000-memory.dmp

            Filesize

            256KB

          • memory/520-71-0x00000000048A0000-0x00000000048E0000-memory.dmp

            Filesize

            256KB

          • memory/520-70-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/520-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/520-64-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/520-61-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/520-62-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/520-63-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/1764-55-0x0000000004870000-0x00000000048B0000-memory.dmp

            Filesize

            256KB

          • memory/1764-60-0x0000000004D00000-0x0000000004D3E000-memory.dmp

            Filesize

            248KB

          • memory/1764-54-0x00000000001F0000-0x00000000002AC000-memory.dmp

            Filesize

            752KB

          • memory/1764-59-0x0000000005350000-0x00000000053C6000-memory.dmp

            Filesize

            472KB

          • memory/1764-58-0x0000000000530000-0x000000000053C000-memory.dmp

            Filesize

            48KB

          • memory/1764-57-0x0000000004870000-0x00000000048B0000-memory.dmp

            Filesize

            256KB

          • memory/1764-56-0x0000000000510000-0x0000000000524000-memory.dmp

            Filesize

            80KB