Analysis

  • max time kernel
    117s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 17:17

General

  • Target

    SWFT_794.exe

  • Size

    812KB

  • MD5

    a21e01d4c2ce154de0e9a89b63c8ec63

  • SHA1

    21f9ca2d21c8a1d021273f6149e4638cf4cc700b

  • SHA256

    17fde7224cda251d6be65b425428b449341d631737a269f77a8bceb4164b4512

  • SHA512

    55b06ba03ac549c3bd6690a33c33a003c671acbad5e0798d4065cd68d1b6dac10e5040722f564664ad3a92e22c021fd4072be21a6d21a8eb65616831d3c4eab4

  • SSDEEP

    24576:R34/up+pJxZJVKSo8l0WIFBdHGR9W/uq:R38PJxZD/l0FY6u

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.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe
    "C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2276
    • C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe
      "C:\Users\Admin\AppData\Local\Temp\SWFT_794.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1076-21-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-1-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/1076-2-0x00000000005C0000-0x0000000000600000-memory.dmp

    Filesize

    256KB

  • memory/1076-3-0x0000000000580000-0x0000000000598000-memory.dmp

    Filesize

    96KB

  • memory/1076-4-0x0000000000560000-0x0000000000568000-memory.dmp

    Filesize

    32KB

  • memory/1076-5-0x00000000005A0000-0x00000000005AA000-memory.dmp

    Filesize

    40KB

  • memory/1076-6-0x00000000051F0000-0x000000000526A000-memory.dmp

    Filesize

    488KB

  • memory/1076-0-0x0000000001310000-0x00000000013E2000-memory.dmp

    Filesize

    840KB

  • memory/2276-26-0x000000006F610000-0x000000006FBBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2276-27-0x000000006F610000-0x000000006FBBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2276-29-0x000000006F610000-0x000000006FBBB000-memory.dmp

    Filesize

    5.7MB

  • memory/2276-28-0x0000000002120000-0x0000000002160000-memory.dmp

    Filesize

    256KB

  • memory/2676-22-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-23-0x0000000004C70000-0x0000000004CB0000-memory.dmp

    Filesize

    256KB

  • memory/2676-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2676-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-30-0x00000000742A0000-0x000000007498E000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-31-0x0000000004C70000-0x0000000004CB0000-memory.dmp

    Filesize

    256KB