Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 07:19

General

  • Target

    Payment Advice - Advice Ref[A1T9IvYc5tfi].exe

  • Size

    696KB

  • MD5

    4e981ade4af75b762286a9c134dc3c02

  • SHA1

    13ca08fd8f8be794663a7f396f13a5352d3bb90a

  • SHA256

    db7b9213e70bb9bed60555f01c763d0be56e6cff67c8b9c8f6b4929a88f6e15c

  • SHA512

    a88da38cc544de1392da7332ee9f97dcec88e44f8d7f2f0ebd6c12326e8fe8d01ca7937646f8cdca049cbda8d98b6fe38defbd489592258a3f292f97f380be67

  • SSDEEP

    12288:ASl5nF8ZVdqrlb69kLgl8QwdGZdLi82KgnunRFhtCG3ySrGI/:hlcqhb6qgl8bGZdi8GnYRFnHiSrG8

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jfmwzZKGfB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jfmwzZKGfB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5ABD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2292
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice - Advice Ref[A1T9IvYc5tfi].exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5ABD.tmp

    Filesize

    1KB

    MD5

    a5ddd8aa84d80305b9bdd3215ba092a6

    SHA1

    33717c93428e28d25956a5ae2456f96670b94e07

    SHA256

    8a5cc0b99dc37d1910a3874008c73b4fa0427de8ffba78ea1e67e2465dd8c844

    SHA512

    508ad991a54f6c9b69389ede972fba2d6f6b3384c805bcc64b732f25dfa56a61e9248b9699019bbaa6621557cffcea1d71a3e66b499ab22bcd3d9c14773e03fd

  • memory/2144-33-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-32-0x0000000002C80000-0x0000000002CC0000-memory.dmp

    Filesize

    256KB

  • memory/2144-30-0x0000000002C80000-0x0000000002CC0000-memory.dmp

    Filesize

    256KB

  • memory/2144-28-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2144-27-0x000000006E9F0000-0x000000006EF9B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-6-0x00000000051C0000-0x000000000523A000-memory.dmp

    Filesize

    488KB

  • memory/2400-23-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-1-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-2-0x00000000045B0000-0x00000000045F0000-memory.dmp

    Filesize

    256KB

  • memory/2400-3-0x0000000001F40000-0x0000000001F58000-memory.dmp

    Filesize

    96KB

  • memory/2400-4-0x0000000001FE0000-0x0000000001FE8000-memory.dmp

    Filesize

    32KB

  • memory/2400-5-0x0000000001FF0000-0x0000000001FFA000-memory.dmp

    Filesize

    40KB

  • memory/2400-0-0x00000000000A0000-0x0000000000152000-memory.dmp

    Filesize

    712KB

  • memory/2716-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2716-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-29-0x0000000004A90000-0x0000000004AD0000-memory.dmp

    Filesize

    256KB

  • memory/2716-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-31-0x0000000073330000-0x0000000073A1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2716-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2716-34-0x0000000073330000-0x0000000073A1E000-memory.dmp

    Filesize

    6.9MB