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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2023, 22:26

General

  • Target

    c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe

  • Size

    659KB

  • MD5

    8115ada57f7a00d6fa797f5ad28d3270

  • SHA1

    faa0942225a1692836b97dd6b0262d57bc8008b1

  • SHA256

    c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b

  • SHA512

    383b064f307f889fd3b5adbfbe77664c8c8d66a8404ea466821badd53be5753810d000c3545af18141405f128e90537a14f65ad00b53d9b571d96c229d8ba7cd

  • SSDEEP

    12288:+tHiCrD6AUPGBCcP3JfjMi8NUppO8LFa6twMvp+Vcm6h9Nsj5ahN5jo:BQDlBCQfjSUppPLF7twMsVcmW9N848

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c0251e3f1226fad0b3c19e8a99c12d8689d1b6b7357f7138aa0ad450519e351b_JC.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/4224-10-0x0000000006860000-0x000000000686C000-memory.dmp

    Filesize

    48KB

  • memory/4224-12-0x000000000AF00000-0x000000000AF9C000-memory.dmp

    Filesize

    624KB

  • memory/4224-3-0x0000000005310000-0x00000000053A2000-memory.dmp

    Filesize

    584KB

  • memory/4224-4-0x0000000005590000-0x00000000055A0000-memory.dmp

    Filesize

    64KB

  • memory/4224-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

    Filesize

    40KB

  • memory/4224-6-0x00000000065B0000-0x00000000065CA000-memory.dmp

    Filesize

    104KB

  • memory/4224-7-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-8-0x0000000005590000-0x00000000055A0000-memory.dmp

    Filesize

    64KB

  • memory/4224-9-0x0000000006850000-0x000000000685A000-memory.dmp

    Filesize

    40KB

  • memory/4224-0-0x0000000000890000-0x000000000093C000-memory.dmp

    Filesize

    688KB

  • memory/4224-2-0x0000000005980000-0x0000000005F24000-memory.dmp

    Filesize

    5.6MB

  • memory/4224-16-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4224-11-0x0000000009B40000-0x0000000009BBC000-memory.dmp

    Filesize

    496KB

  • memory/4224-1-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-17-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4436-18-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB

  • memory/4436-19-0x00000000017B0000-0x0000000001816000-memory.dmp

    Filesize

    408KB

  • memory/4436-20-0x0000000006870000-0x00000000068C0000-memory.dmp

    Filesize

    320KB

  • memory/4436-21-0x00000000751B0000-0x0000000075960000-memory.dmp

    Filesize

    7.7MB

  • memory/4436-22-0x00000000052F0000-0x0000000005300000-memory.dmp

    Filesize

    64KB