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Analysis

  • max time kernel
    121s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    12/03/2024, 01:03

General

  • Target

    a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe

  • Size

    880KB

  • MD5

    128e223aa9db4e192ad1489b8f5b560b

  • SHA1

    62244be6ba8056a99127f00452b3faa9e56cb4a2

  • SHA256

    a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91

  • SHA512

    84b2c390fb385d8f549d9a8a78cbc37cf819b54d4c577e44ad3be2ce53388af20bbedcc0e80080837099a2c71fc64a837cb89cb46352ce19ac858d210738f4be

  • SSDEEP

    12288:s/Sr+pAQ3inVFaMdklcgKOQw54HoXPxyTaGWkquemE8KMvnsZUn3/JPS8z:X+AQ32HBdklcHSU+0NWkquemE8hs4PV

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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe
    "C:\Users\Admin\AppData\Local\Temp\a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2228
    • 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\a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1608
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XRmlhtwEAncfsU.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1276
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XRmlhtwEAncfsU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8556.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2168
    • C:\Users\Admin\AppData\Local\Temp\a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe
      "C:\Users\Admin\AppData\Local\Temp\a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe"
      2⤵
        PID:580
      • C:\Users\Admin\AppData\Local\Temp\a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe
        "C:\Users\Admin\AppData\Local\Temp\a62335d4771982af2a0b257505a0a3040e108be7ab2f7b5fb5d85d5029685a91.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp8556.tmp

      Filesize

      1KB

      MD5

      e6f7cd7b70268b4e0f31ad54d0c9120e

      SHA1

      16c34f9cbe3ae5a11d0679eae5cd4a5ec56058f6

      SHA256

      aaa19c6de307a3222e72085bbbc72f4dea0f1c19a23325ea328235ed7cf0ef43

      SHA512

      bda56e5364751e5cd4855d1a093384e580453e9b4330e5aeab9a856a99a980027b924da91fff01c90c712fbe0562648d37402ff3160b950e175d78d931e7fe36

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

      Filesize

      7KB

      MD5

      48f26209f3bd5722fe56664910b1204b

      SHA1

      26994c340e15c3e4db8c02fd846fdf729235b9d7

      SHA256

      10650afe28c86571ad5e5f0c89a404538ab800df350791c52f01e84c11439ed1

      SHA512

      6c68fb4d3b7cd69a72041109c60262ae3a4000f4a8cee1fff608571fc3ed22f571c9f29691f9335a55f1bb9647ee0a03ea8725888d091fdb81669008e2155b45

    • memory/676-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/676-27-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/676-45-0x0000000004A50000-0x0000000004A90000-memory.dmp

      Filesize

      256KB

    • memory/676-44-0x0000000073C50000-0x000000007433E000-memory.dmp

      Filesize

      6.9MB

    • memory/676-38-0x0000000073C50000-0x000000007433E000-memory.dmp

      Filesize

      6.9MB

    • memory/676-32-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/676-30-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/676-19-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/676-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/676-21-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/676-23-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/1276-36-0x000000006FD70000-0x000000007031B000-memory.dmp

      Filesize

      5.7MB

    • memory/1276-34-0x000000006FD70000-0x000000007031B000-memory.dmp

      Filesize

      5.7MB

    • memory/1276-42-0x000000006FD70000-0x000000007031B000-memory.dmp

      Filesize

      5.7MB

    • memory/1276-39-0x00000000021F0000-0x0000000002230000-memory.dmp

      Filesize

      256KB

    • memory/1276-35-0x00000000021F0000-0x0000000002230000-memory.dmp

      Filesize

      256KB

    • memory/1608-41-0x0000000002630000-0x0000000002670000-memory.dmp

      Filesize

      256KB

    • memory/1608-33-0x000000006FD70000-0x000000007031B000-memory.dmp

      Filesize

      5.7MB

    • memory/1608-37-0x000000006FD70000-0x000000007031B000-memory.dmp

      Filesize

      5.7MB

    • memory/1608-40-0x0000000002630000-0x0000000002670000-memory.dmp

      Filesize

      256KB

    • memory/1608-43-0x000000006FD70000-0x000000007031B000-memory.dmp

      Filesize

      5.7MB

    • memory/2228-29-0x0000000074ED0000-0x00000000755BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2228-2-0x0000000004B50000-0x0000000004B90000-memory.dmp

      Filesize

      256KB

    • memory/2228-6-0x0000000005C70000-0x0000000005CF4000-memory.dmp

      Filesize

      528KB

    • memory/2228-3-0x00000000004A0000-0x00000000004BC000-memory.dmp

      Filesize

      112KB

    • memory/2228-0-0x0000000000DC0000-0x0000000000EA2000-memory.dmp

      Filesize

      904KB

    • memory/2228-1-0x0000000074ED0000-0x00000000755BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2228-5-0x00000000006B0000-0x00000000006BE000-memory.dmp

      Filesize

      56KB

    • memory/2228-4-0x00000000004C0000-0x00000000004CC000-memory.dmp

      Filesize

      48KB