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Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    17/11/2023, 11:15

General

  • Target

    PO -173.exe

  • Size

    1.2MB

  • MD5

    cf11d3a64d8ea9fd79db10cc83d71179

  • SHA1

    6a6935eef567e89aeed45df1c4b353e142d06da0

  • SHA256

    f8aa3880202328a119071117878db0c3b5dc03a5cae3cb16e00cd2353598a913

  • SHA512

    0303cfad56585e073d5681055249147c67b0608949cf7578f300173e9913e1167f24fbc91c86a884efea171ea5aef86852bc63357c9824fba434f3c13666fca6

  • SSDEEP

    24576:xKlE6nS1oQRNPjqD+xujqtTOD2+w1O15Yp4v+:wE6nS1oQRNOgujwOD3wQYq

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO -173.exe
    "C:\Users\Admin\AppData\Local\Temp\PO -173.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2272
    • 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\PO -173.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2392
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GdygdFRxyRN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2524
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GdygdFRxyRN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp57B1.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2676
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp57B1.tmp

    Filesize

    1KB

    MD5

    ef8f9d391320bdb519d205b4f7361f23

    SHA1

    caadb4becf0970f70f5c367c2ae0727f87b9380a

    SHA256

    0bcdfdae0b8503f0faf528ce2c3f25c2bfc3e73d79332e52a6a7389f1c7d1456

    SHA512

    3366cd72dc62e55bf83b83e26df720527e9795175d9397142f9c6d3d9fbb39abde57cd04c7a069fae50c86ba5b8e1382efa15bc39a4b52bfb3d444adca88c641

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4N70WSXXWBRJKSIX3GQL.temp

    Filesize

    7KB

    MD5

    7f58ff34990b88933da0f81e90e9e930

    SHA1

    e3e2004b7c5d3bf5ec29dab9ac797ae190a6b099

    SHA256

    1add286d426208ef4b86a0cb7e584c92386f0d49ad97cd581ef4cf30eee37100

    SHA512

    1efd5075a2ba84c6fb95ac383c5099b16aa6e0bee8b6674dc5ee81d2199a022b0801163d2db79f6acfb419fdd995e64ec0bc59cf08c8cea33a35672263607c64

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

    Filesize

    7KB

    MD5

    7f58ff34990b88933da0f81e90e9e930

    SHA1

    e3e2004b7c5d3bf5ec29dab9ac797ae190a6b099

    SHA256

    1add286d426208ef4b86a0cb7e584c92386f0d49ad97cd581ef4cf30eee37100

    SHA512

    1efd5075a2ba84c6fb95ac383c5099b16aa6e0bee8b6674dc5ee81d2199a022b0801163d2db79f6acfb419fdd995e64ec0bc59cf08c8cea33a35672263607c64

  • memory/2272-36-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-0-0x0000000000A00000-0x0000000000B40000-memory.dmp

    Filesize

    1.2MB

  • memory/2272-2-0x0000000004980000-0x00000000049C0000-memory.dmp

    Filesize

    256KB

  • memory/2272-3-0x00000000005D0000-0x00000000005E6000-memory.dmp

    Filesize

    88KB

  • memory/2272-4-0x00000000005F0000-0x00000000005FA000-memory.dmp

    Filesize

    40KB

  • memory/2272-5-0x0000000005510000-0x00000000055B4000-memory.dmp

    Filesize

    656KB

  • memory/2272-6-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2272-7-0x0000000004980000-0x00000000049C0000-memory.dmp

    Filesize

    256KB

  • memory/2272-1-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/2392-35-0x00000000024F0000-0x0000000002530000-memory.dmp

    Filesize

    256KB

  • memory/2392-41-0x00000000024F0000-0x0000000002530000-memory.dmp

    Filesize

    256KB

  • memory/2392-43-0x000000006FAB0000-0x000000007005B000-memory.dmp

    Filesize

    5.7MB

  • memory/2392-24-0x000000006FAB0000-0x000000007005B000-memory.dmp

    Filesize

    5.7MB

  • memory/2392-28-0x000000006FAB0000-0x000000007005B000-memory.dmp

    Filesize

    5.7MB

  • memory/2520-22-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-46-0x00000000049E0000-0x0000000004A20000-memory.dmp

    Filesize

    256KB

  • memory/2520-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2520-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-45-0x0000000073C50000-0x000000007433E000-memory.dmp

    Filesize

    6.9MB

  • memory/2520-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-37-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-39-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2520-40-0x0000000073C50000-0x000000007433E000-memory.dmp

    Filesize

    6.9MB

  • memory/2524-31-0x000000006FAB0000-0x000000007005B000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-42-0x00000000020D0000-0x0000000002110000-memory.dmp

    Filesize

    256KB

  • memory/2524-21-0x000000006FAB0000-0x000000007005B000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-44-0x000000006FAB0000-0x000000007005B000-memory.dmp

    Filesize

    5.7MB

  • memory/2524-33-0x00000000020D0000-0x0000000002110000-memory.dmp

    Filesize

    256KB

  • memory/2524-26-0x00000000020D0000-0x0000000002110000-memory.dmp

    Filesize

    256KB