Analysis

  • max time kernel
    144s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09-04-2024 01:44

General

  • Target

    8e9fea5458c969eaf662771d87e2e9d2487e904e5dbeea5d90fc7e44369c3f95.exe

  • Size

    593KB

  • MD5

    3cb7a144c3a7d35a77044c167749f84d

  • SHA1

    23e83390e052b0ce98e5446768a18cf06669b57d

  • SHA256

    8e9fea5458c969eaf662771d87e2e9d2487e904e5dbeea5d90fc7e44369c3f95

  • SHA512

    09b7b80dcea62ad01e7338ff2ff37f24938457994f93658ddc9d10c4b8b847da7dc67f6f647821ced3ad4f2277f291ffc7510ade550001f30d88327bf8ae4035

  • SSDEEP

    6144:LoGzI1X9PZVheNA+ff0RUt3vCKIH2nqoejh4q/tjkshlTqleM97CtzrwalKI8J2x:LbSnhe2eGUt/jnqrZ1hlTpMVklxVtqev

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. 2 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
  • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 2 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e9fea5458c969eaf662771d87e2e9d2487e904e5dbeea5d90fc7e44369c3f95.exe
    "C:\Users\Admin\AppData\Local\Temp\8e9fea5458c969eaf662771d87e2e9d2487e904e5dbeea5d90fc7e44369c3f95.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell" -windowstyle hidden "$Uigennemskydelig=Get-Content 'C:\Users\Admin\AppData\Roaming\strbt\fragtrate\Alcaydes\Paleolimnology\ansgningsfristernes\Dishonorables\Sweety64.Sch';$Taknemligeres=$Uigennemskydelig.SubString(5985,3);.$Taknemligeres($Uigennemskydelig)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "set /A 1^^0"
        3⤵
          PID:2676
        • C:\Program Files (x86)\windows mail\wab.exe
          "C:\Program Files (x86)\windows mail\wab.exe"
          3⤵
          • Suspicious use of NtCreateThreadExHideFromDebugger
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2612

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\strbt\fragtrate\Alcaydes\Paleolimnology\ansgningsfristernes\Dishonorables\Sweety64.Sch

      Filesize

      61KB

      MD5

      e5c2dca2119f3e664238f0f51539dbb5

      SHA1

      24fc5d8ac634d19acafbf78852482014c052f996

      SHA256

      b3f8b29f9da552c657a02fbadad0745e365ea1d548fe22ddbfb3e9450eb29837

      SHA512

      458178c3e2f344a9f28a505c870667d5f3387c7cdd0b6cde22ff428e460b2d433f2653b7516fc5698837e41a635e31f2f59564a33631e938b0801749c6f7b7a6

    • C:\Users\Admin\AppData\Roaming\strbt\fragtrate\Alcaydes\Paleolimnology\ansgningsfristernes\Dishonorables\Villainies.tra

      Filesize

      332KB

      MD5

      eb365e5cf4a8ec7a8d968bc1792b4e4d

      SHA1

      89c52f3670452362ff4da8f23de870c0ef01bb82

      SHA256

      059a2053042b469979f5755161c39bd951d44b697fb74286b33a36f2f59d7591

      SHA512

      fa76a7fb167595d605ab78665403e2a2bace07da26bbe601093d553980c53cd46a6b624f888ce184059a021dccdf59fb36e20ae234bb20c1dca61906c1ba49b1

    • memory/2612-51-0x0000000000280000-0x00000000002C2000-memory.dmp

      Filesize

      264KB

    • memory/2612-53-0x00000000246E0000-0x0000000024720000-memory.dmp

      Filesize

      256KB

    • memory/2612-52-0x0000000073A30000-0x000000007411E000-memory.dmp

      Filesize

      6.9MB

    • memory/2612-56-0x0000000073A30000-0x000000007411E000-memory.dmp

      Filesize

      6.9MB

    • memory/2612-24-0x0000000077B30000-0x0000000077CD9000-memory.dmp

      Filesize

      1.7MB

    • memory/2612-50-0x0000000077D20000-0x0000000077DF6000-memory.dmp

      Filesize

      856KB

    • memory/2612-57-0x00000000246E0000-0x0000000024720000-memory.dmp

      Filesize

      256KB

    • memory/2612-49-0x0000000000280000-0x00000000012E2000-memory.dmp

      Filesize

      16.4MB

    • memory/2612-45-0x0000000000280000-0x00000000012E2000-memory.dmp

      Filesize

      16.4MB

    • memory/2612-26-0x0000000077D20000-0x0000000077DF6000-memory.dmp

      Filesize

      856KB

    • memory/2612-25-0x0000000077D56000-0x0000000077D57000-memory.dmp

      Filesize

      4KB

    • memory/2956-14-0x0000000000560000-0x00000000005A0000-memory.dmp

      Filesize

      256KB

    • memory/2956-23-0x0000000077D20000-0x0000000077DF6000-memory.dmp

      Filesize

      856KB

    • memory/2956-22-0x0000000077B30000-0x0000000077CD9000-memory.dmp

      Filesize

      1.7MB

    • memory/2956-21-0x00000000060D0000-0x000000000AC7D000-memory.dmp

      Filesize

      75.7MB

    • memory/2956-19-0x0000000000560000-0x00000000005A0000-memory.dmp

      Filesize

      256KB

    • memory/2956-18-0x0000000074420000-0x00000000749CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2956-17-0x0000000005030000-0x0000000005034000-memory.dmp

      Filesize

      16KB

    • memory/2956-15-0x0000000005D70000-0x0000000005E70000-memory.dmp

      Filesize

      1024KB

    • memory/2956-7-0x0000000074420000-0x00000000749CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2956-11-0x0000000000560000-0x00000000005A0000-memory.dmp

      Filesize

      256KB

    • memory/2956-10-0x0000000000560000-0x00000000005A0000-memory.dmp

      Filesize

      256KB

    • memory/2956-8-0x0000000074420000-0x00000000749CB000-memory.dmp

      Filesize

      5.7MB

    • memory/2956-9-0x0000000000560000-0x00000000005A0000-memory.dmp

      Filesize

      256KB