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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 09:25

General

  • Target

    AE23SDS04-3 BL.exe

  • Size

    686KB

  • MD5

    d5db9ee8c6502979187bd03d07242915

  • SHA1

    85cefbee57f4f4912a81631eb664afdf9962096e

  • SHA256

    82f32be71d9c226d53658209924e4e534383b0db5481dbd49923692ef5666940

  • SHA512

    e3732c42e867555e13453cc60062c3c4ef6909aafe84d8fc9d601133e122c3af705db9e159bb36bfc0499dd8b505cf23b838aaa364d7f64fbb8e6408177b29e3

  • SSDEEP

    12288:5sSnEw8i28IGrqd1F1Wlw7OjOv8MoVgNoVsbzGXZdOVVeLZaKk5Tu9:LnEw8i2MrI1F1yw7OjW8M5oUGjOVULZT

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AE23SDS04-3 BL.exe
    "C:\Users\Admin\AppData\Local\Temp\AE23SDS04-3 BL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3048
    • 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\AE23SDS04-3 BL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIsLfgqGnzPAtt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIsLfgqGnzPAtt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp49BD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2596
    • C:\Users\Admin\AppData\Local\Temp\AE23SDS04-3 BL.exe
      "C:\Users\Admin\AppData\Local\Temp\AE23SDS04-3 BL.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp49BD.tmp

    Filesize

    1KB

    MD5

    2f9b9cac9ee8a825c18e8973190eeff9

    SHA1

    db0e7b5e429ea03a484f56754ebb631e36dea7f5

    SHA256

    2ceada0d2930142ee7a6cd0812c014b44649c473bf6fa4755a878139fa9bf942

    SHA512

    57180ded59f2230b2aa9821e3e989aaad84daada2589e07b44e4c9ee2b3d0c4941945cfe39bd9f247d72fe9c19dfc24dee76743206f55dbcbf3ad4c64a4f5ecf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3SK1PRDLOLJ6BGF2QVD2.temp

    Filesize

    7KB

    MD5

    b0c5de29b9c01cb6bbeac13944f3539a

    SHA1

    f3a5189b8918c29b31981285513f35cd44529274

    SHA256

    0150d1793ff8f5747ae0ef5fa5d9499a75e5e65f01c4596a0e069ff8dbe62373

    SHA512

    c8991473f0198dada2b0551561c0117460d2e3a95c6ad29de8e615a1ffc1650b95929b6b92d4075097d095fe7f5e19358531e68bfb827af02427b0e12c8727d6

  • memory/2588-34-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2588-47-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2588-42-0x0000000002C90000-0x0000000002CD0000-memory.dmp

    Filesize

    256KB

  • memory/2588-41-0x0000000002C90000-0x0000000002CD0000-memory.dmp

    Filesize

    256KB

  • memory/2588-39-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2588-37-0x0000000002C90000-0x0000000002CD0000-memory.dmp

    Filesize

    256KB

  • memory/2664-32-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-46-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-43-0x000000006F6A0000-0x000000006FC4B000-memory.dmp

    Filesize

    5.7MB

  • memory/2664-40-0x0000000001BE0000-0x0000000001C20000-memory.dmp

    Filesize

    256KB

  • memory/2736-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2736-44-0x0000000073520000-0x0000000073C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2736-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2736-49-0x00000000003A0000-0x00000000003E0000-memory.dmp

    Filesize

    256KB

  • memory/2736-48-0x0000000073520000-0x0000000073C0E000-memory.dmp

    Filesize

    6.9MB

  • memory/2736-24-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2736-33-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2736-22-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2736-26-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2736-38-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2736-45-0x00000000003A0000-0x00000000003E0000-memory.dmp

    Filesize

    256KB

  • memory/3048-2-0x00000000008E0000-0x0000000000920000-memory.dmp

    Filesize

    256KB

  • memory/3048-7-0x00000000050D0000-0x0000000005152000-memory.dmp

    Filesize

    520KB

  • memory/3048-6-0x0000000000AC0000-0x0000000000ACC000-memory.dmp

    Filesize

    48KB

  • memory/3048-1-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/3048-0-0x0000000001360000-0x0000000001410000-memory.dmp

    Filesize

    704KB

  • memory/3048-5-0x0000000000A40000-0x0000000000A48000-memory.dmp

    Filesize

    32KB

  • memory/3048-4-0x00000000004A0000-0x00000000004B4000-memory.dmp

    Filesize

    80KB

  • memory/3048-36-0x0000000074820000-0x0000000074F0E000-memory.dmp

    Filesize

    6.9MB

  • memory/3048-3-0x0000000000B10000-0x0000000000BAE000-memory.dmp

    Filesize

    632KB