Analysis

  • max time kernel
    120s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-04-2024 01:44

General

  • Target

    0eb344998acdd255fd30d4925dea6713459e476a29f0e64ffa4f701a21c9e061.exe

  • Size

    694KB

  • MD5

    6e5efdf71be37b38ee03b013d13e1c41

  • SHA1

    f5cd451d73124937e980413eea59dbc644037b27

  • SHA256

    0eb344998acdd255fd30d4925dea6713459e476a29f0e64ffa4f701a21c9e061

  • SHA512

    f2862d4c7405c682bf29920f8631e742ae96ae4481e677864043412b5f8e4d2da0052459182513400bfb15eee7df248ef6ec7a55d1919e1c4b27cf0e0d05d65e

  • SSDEEP

    12288:aYIPXjf/oimgHwSxvPNxgWQC3sHm0TnTCaV8cgrNX:aYIPj/xmyhEvT2C8Rr

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • Program crash 1 IoCs
  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0eb344998acdd255fd30d4925dea6713459e476a29f0e64ffa4f701a21c9e061.exe
    "C:\Users\Admin\AppData\Local\Temp\0eb344998acdd255fd30d4925dea6713459e476a29f0e64ffa4f701a21c9e061.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1440
    • 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\0eb344998acdd255fd30d4925dea6713459e476a29f0e64ffa4f701a21c9e061.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2912
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ppyzZV.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ppyzZV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0FE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2688
    • C:\Users\Admin\AppData\Local\Temp\0eb344998acdd255fd30d4925dea6713459e476a29f0e64ffa4f701a21c9e061.exe
      "C:\Users\Admin\AppData\Local\Temp\0eb344998acdd255fd30d4925dea6713459e476a29f0e64ffa4f701a21c9e061.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1440 -s 992
      2⤵
      • Program crash
      PID:2488

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC0FE.tmp
    Filesize

    1KB

    MD5

    1a5d7152478bf3937bc83a915c90c195

    SHA1

    3d1e0f750d86a6f0e415005eb50aad1fc465c0dc

    SHA256

    a26b5762445e868905581f2a15839ea607bb43093f68f569345d5b24e1a91386

    SHA512

    970c5030803aef04f6d83ee8e4b3c91415ed695e4a2db5c4882c01da3b6f7800657394c1bee5b07ac62c2d558e40db75ad6999e7991554654ccc1502a7946dd5

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\C23BQ4X3OKBMYFKUH9UN.temp
    Filesize

    7KB

    MD5

    3975fb647ec07bc987c29ded1f55a2c5

    SHA1

    d0f9a0a91445a80c6d42cbc9707d0f540b3051ea

    SHA256

    2eff2523de17289c64e250f528723956c5a37e2688a29b84f66b2b869edaf9e4

    SHA512

    e9aab85f0b055742279739ee1dfecf4d22b09dda079bbacde20aedc13539046c2289fd97f35901864800bf7f7334ad2a513a54688eab167efca47877add31716

  • memory/1440-0-0x00000000008C0000-0x0000000000974000-memory.dmp
    Filesize

    720KB

  • memory/1440-1-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/1440-2-0x0000000002110000-0x0000000002150000-memory.dmp
    Filesize

    256KB

  • memory/1440-3-0x0000000000670000-0x0000000000690000-memory.dmp
    Filesize

    128KB

  • memory/1440-4-0x0000000000760000-0x0000000000774000-memory.dmp
    Filesize

    80KB

  • memory/1440-5-0x0000000005FE0000-0x0000000006064000-memory.dmp
    Filesize

    528KB

  • memory/1440-32-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2592-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-43-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2592-23-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2592-26-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-39-0x0000000074050000-0x000000007473E000-memory.dmp
    Filesize

    6.9MB

  • memory/2592-18-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2592-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2636-31-0x000000006EC10000-0x000000006F1BB000-memory.dmp
    Filesize

    5.7MB

  • memory/2636-41-0x000000006EC10000-0x000000006F1BB000-memory.dmp
    Filesize

    5.7MB

  • memory/2636-36-0x000000006EC10000-0x000000006F1BB000-memory.dmp
    Filesize

    5.7MB

  • memory/2636-38-0x0000000002750000-0x0000000002790000-memory.dmp
    Filesize

    256KB

  • memory/2912-33-0x000000006EC10000-0x000000006F1BB000-memory.dmp
    Filesize

    5.7MB

  • memory/2912-37-0x00000000025E0000-0x0000000002620000-memory.dmp
    Filesize

    256KB

  • memory/2912-35-0x000000006EC10000-0x000000006F1BB000-memory.dmp
    Filesize

    5.7MB

  • memory/2912-40-0x000000006EC10000-0x000000006F1BB000-memory.dmp
    Filesize

    5.7MB

  • memory/2912-34-0x00000000025E0000-0x0000000002620000-memory.dmp
    Filesize

    256KB