Analysis

  • max time kernel
    126s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    18-10-2021 20:07

General

  • Target

    HSBC Payment swift Copy emt 103.exe

  • Size

    482KB

  • MD5

    92d46dc497cc7f6fbb8e8dafeb5004c5

  • SHA1

    f2fce89e6f5f7d997f190d8d4aafefcc8048fbea

  • SHA256

    506909940f55e0c21e273759d8f7dcc1a3d76ea0374f212008ce871d706f1fe6

  • SHA512

    795865abb4a3bdcdbb47ed754990b4de69b6ae3554cd769880b407eb5b844d74923bec0ab08026ea843b500a0d164c0346ec0ceef52a59042cb32542e2c378bb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bulletproofprotections.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Everest10account

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HSBC Payment swift Copy emt 103.exe
    "C:\Users\Admin\AppData\Local\Temp\HSBC Payment swift Copy emt 103.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\HSBC Payment swift Copy emt 103.exe
      "C:\Users\Admin\AppData\Local\Temp\HSBC Payment swift Copy emt 103.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2808
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2808 -s 1384
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1340

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HSBC Payment swift Copy emt 103.exe.log

    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/2384-122-0x0000000005700000-0x0000000005708000-memory.dmp

    Filesize

    32KB

  • memory/2384-118-0x0000000005180000-0x0000000005181000-memory.dmp

    Filesize

    4KB

  • memory/2384-119-0x0000000005110000-0x0000000005111000-memory.dmp

    Filesize

    4KB

  • memory/2384-120-0x00000000052A0000-0x000000000579E000-memory.dmp

    Filesize

    5.0MB

  • memory/2384-121-0x000000000AEF0000-0x000000000AEF1000-memory.dmp

    Filesize

    4KB

  • memory/2384-115-0x0000000000850000-0x0000000000851000-memory.dmp

    Filesize

    4KB

  • memory/2384-123-0x000000000B230000-0x000000000B288000-memory.dmp

    Filesize

    352KB

  • memory/2384-117-0x00000000057A0000-0x00000000057A1000-memory.dmp

    Filesize

    4KB

  • memory/2808-124-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2808-125-0x000000000043779E-mapping.dmp

  • memory/2808-131-0x0000000005850000-0x0000000005D4E000-memory.dmp

    Filesize

    5.0MB

  • memory/2808-132-0x0000000006360000-0x0000000006361000-memory.dmp

    Filesize

    4KB

  • memory/2808-133-0x0000000006400000-0x0000000006401000-memory.dmp

    Filesize

    4KB