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Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2023, 17:16

General

  • Target

    Tracking#INV-IV1905-029.exe

  • Size

    681KB

  • MD5

    828636842c69b4e453f5735e77c89d36

  • SHA1

    b1c928ed1f9926fc64cee98be211a5e77c9551b5

  • SHA256

    1d2add4e6e6f86f45aa1a4b75c32e4efbf43bc117cc5b3a3927b4e548cf2732c

  • SHA512

    64b8f4ad28fd005936898e4fc244c8acab8257e04a033459a8b463fb5171a814ab20c7d5933577ef10562b8adba35eb4addd1060d1f18ce5448cfeec32cdfeb8

  • SSDEEP

    12288:OaiOid7BR6wTuHfH7eXkhH2iRr2nILMUrniYqW3WbKLrcPwp9euwjz8lIc2pvBpV:O1OipB+H+yR8VDvW3/cPwL3wj+i5pDmv

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 3 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).

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe
    "C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rKfsquLB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1736
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rKfsquLB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0C9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe
      "C:\Users\Admin\AppData\Local\Temp\Tracking#INV-IV1905-029.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB0C9.tmp

    Filesize

    1KB

    MD5

    8654185923d6057c3d2b4fadbbcc30bc

    SHA1

    5868e56a65883c7a11275d87bda34b914858e1c1

    SHA256

    bbf2806ceff19ba78b7b9ac1717058833fdfb56b6a2dbe6c088fe660f95d7d25

    SHA512

    9d7005d2b1797993949b07f71a184f8bcc4b3a3b174ac2a4d2b726ef41eaf2642600bdbd3bf3521cc04482e68a912edfa1968cb187e1164c487eadf8d643fcab

  • memory/1736-30-0x000000006F3F0000-0x000000006F99B000-memory.dmp

    Filesize

    5.7MB

  • memory/1736-31-0x000000006F3F0000-0x000000006F99B000-memory.dmp

    Filesize

    5.7MB

  • memory/1736-32-0x0000000002980000-0x00000000029C0000-memory.dmp

    Filesize

    256KB

  • memory/1736-33-0x000000006F3F0000-0x000000006F99B000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-3-0x0000000000500000-0x000000000051A000-memory.dmp

    Filesize

    104KB

  • memory/1964-6-0x00000000059A0000-0x0000000005A1C000-memory.dmp

    Filesize

    496KB

  • memory/1964-5-0x0000000000400000-0x000000000040A000-memory.dmp

    Filesize

    40KB

  • memory/1964-4-0x0000000000360000-0x0000000000368000-memory.dmp

    Filesize

    32KB

  • memory/1964-24-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1964-2-0x0000000000310000-0x0000000000350000-memory.dmp

    Filesize

    256KB

  • memory/1964-0-0x00000000013A0000-0x0000000001450000-memory.dmp

    Filesize

    704KB

  • memory/1964-1-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2880-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-28-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-29-0x0000000004D00000-0x0000000004D40000-memory.dmp

    Filesize

    256KB

  • memory/2880-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2880-34-0x0000000074310000-0x00000000749FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2880-35-0x0000000004D00000-0x0000000004D40000-memory.dmp

    Filesize

    256KB