Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2023 10:43

General

  • Target

    sUTJVHThqUw8FNT.exe

  • Size

    797KB

  • MD5

    5a21695a4cf1f0c6dafc040fa2934c4b

  • SHA1

    cddb0a9db8493e2740717d4f59fb4f6521c2c1de

  • SHA256

    178ba4d2df748d17f3000be116289cfe301e6140dfef6fa3c917771fccea79ff

  • SHA512

    fa2187a0cbe3e7b66188adc70272d13ac888e09bc3be99839292a8a6f7cf460ce2aa046dafcfa87b7fcc0eecc9e79c13becca032f85dafa813d3d2a672a9be31

  • SSDEEP

    12288:gZoaBMXHdjrM9ahKIhcyiuPaN9A+QvtPI3OZbPdZ4OEpjL:FXHdjIOK7ngiA+Qv1YOZXd

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.apcoflex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Dorrah@2889

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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sUTJVHThqUw8FNT.exe
    "C:\Users\Admin\AppData\Local\Temp\sUTJVHThqUw8FNT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:344
    • 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\sUTJVHThqUw8FNT.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CFtZpf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CFtZpf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFFE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2664
    • C:\Users\Admin\AppData\Local\Temp\sUTJVHThqUw8FNT.exe
      "C:\Users\Admin\AppData\Local\Temp\sUTJVHThqUw8FNT.exe"
      2⤵
        PID:2888
      • C:\Users\Admin\AppData\Local\Temp\sUTJVHThqUw8FNT.exe
        "C:\Users\Admin\AppData\Local\Temp\sUTJVHThqUw8FNT.exe"
        2⤵
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2920

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      7d4423cbb7c59fe48adaa43f1b68f1f3

      SHA1

      6763e0c4fc2353dc58e7e3141033cf46b49e713e

      SHA256

      37b76583cdfa353431951c61d1189b20b74613dd170e84f6a179978450c47b0d

      SHA512

      523c40e205b28e74e7d95ce36c0bb880d446b07b8219d8e8a260ca96381bc0812db8fb8a6c2ac6351c933d485cc9e505052c89950d48ebd781cb10c2f42b9d5b

    • C:\Users\Admin\AppData\Local\Temp\CabDA3B.tmp

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

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

      Filesize

      163KB

      MD5

      9441737383d21192400eca82fda910ec

      SHA1

      725e0d606a4fc9ba44aa8ffde65bed15e65367e4

      SHA256

      bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

      SHA512

      7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

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

      Filesize

      1KB

      MD5

      9213a58d221a2a5cb4d4c91dfb54c4e7

      SHA1

      4ec38aff2181505cd22d49e6a777f42697cdcbda

      SHA256

      64952e8ab6b4c071acd4db02ccc486cfa5f553e453886f1266a9001b75c02897

      SHA512

      3594a52391b3918741b9ab4c05b6064c9932f93729db0145691d9e024f9c68c7d4dfa3983881657b39bbdc182ac24f3b7263126d4681c8e706c2f08b64cf8926

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\10C3JW6DZTJYAZZF2RPS.temp

      Filesize

      7KB

      MD5

      4378d08fa44a780b3bd63d0a80992f3a

      SHA1

      9d6b341ae9fcdf43f32042a4454b63df3c76ee2e

      SHA256

      45765a7f68abfb7ad34908ffe13c95a98753619d764efa2009011c2a1c8640f3

      SHA512

      5846c01c2e84514eb8b1133d0c2395d671b14fe764edbed94ffe17df41f1974eaa89a79b939bb7ded296bdb1f86b00ba4eaca66ebcc48015c9020a7eacb5b7ea

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      4378d08fa44a780b3bd63d0a80992f3a

      SHA1

      9d6b341ae9fcdf43f32042a4454b63df3c76ee2e

      SHA256

      45765a7f68abfb7ad34908ffe13c95a98753619d764efa2009011c2a1c8640f3

      SHA512

      5846c01c2e84514eb8b1133d0c2395d671b14fe764edbed94ffe17df41f1974eaa89a79b939bb7ded296bdb1f86b00ba4eaca66ebcc48015c9020a7eacb5b7ea

    • memory/344-5-0x0000000000390000-0x00000000003D0000-memory.dmp

      Filesize

      256KB

    • memory/344-2-0x0000000000390000-0x00000000003D0000-memory.dmp

      Filesize

      256KB

    • memory/344-8-0x0000000004EB0000-0x0000000004F4C000-memory.dmp

      Filesize

      624KB

    • memory/344-6-0x0000000000330000-0x0000000000336000-memory.dmp

      Filesize

      24KB

    • memory/344-32-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/344-4-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/344-3-0x0000000000300000-0x0000000000310000-memory.dmp

      Filesize

      64KB

    • memory/344-7-0x0000000000380000-0x000000000038A000-memory.dmp

      Filesize

      40KB

    • memory/344-1-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/344-0-0x0000000000120000-0x00000000001EE000-memory.dmp

      Filesize

      824KB

    • memory/2632-37-0x000000006EB40000-0x000000006F0EB000-memory.dmp

      Filesize

      5.7MB

    • memory/2632-42-0x000000006EB40000-0x000000006F0EB000-memory.dmp

      Filesize

      5.7MB

    • memory/2632-35-0x00000000025A0000-0x00000000025E0000-memory.dmp

      Filesize

      256KB

    • memory/2632-34-0x000000006EB40000-0x000000006F0EB000-memory.dmp

      Filesize

      5.7MB

    • memory/2640-36-0x000000006EB40000-0x000000006F0EB000-memory.dmp

      Filesize

      5.7MB

    • memory/2640-38-0x0000000002600000-0x0000000002640000-memory.dmp

      Filesize

      256KB

    • memory/2640-41-0x000000006EB40000-0x000000006F0EB000-memory.dmp

      Filesize

      5.7MB

    • memory/2640-33-0x000000006EB40000-0x000000006F0EB000-memory.dmp

      Filesize

      5.7MB

    • memory/2920-39-0x00000000048C0000-0x0000000004900000-memory.dmp

      Filesize

      256KB

    • memory/2920-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2920-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2920-29-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2920-40-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2920-31-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2920-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2920-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2920-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2920-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2920-104-0x0000000073FF0000-0x00000000746DE000-memory.dmp

      Filesize

      6.9MB