Analysis

  • max time kernel
    125s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231201-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231201-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 04:33

General

  • Target

    SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe

  • Size

    623KB

  • MD5

    92b364ff04da94c50941ac26728b398e

  • SHA1

    0ef8a6e061b52e34a31b691cd03153ce7b22c70a

  • SHA256

    7cba6ce993da55a8706e4c726e120ce59a40622f20ed4f0beb971c1fb03b9519

  • SHA512

    75d82e51d905febbb0fd6f3f0450c325faad7307bf84a5e508fca0aa3a75645873661f84a1bace1faa3edc6d0c0d8d3606f00228618f24510611e631fe03d37c

  • SSDEEP

    12288:Xl5nF8PVdqrlbLP8DL98J/1aswLR7HgaC/Me5Qes5ib46iJgw:Xlaqhb7Gp8DatpC/Me5GM/iJZ

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:8
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pHkBnvqIJtDl.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3844
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pHkBnvqIJtDl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7B2B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3300
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4072

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.MSIL.GenKryptik.GOZC.tr.24868.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xf33oy4t.i1o.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7B2B.tmp

    Filesize

    1KB

    MD5

    1ddb83b7da1f32ead3543abc07c6bdc8

    SHA1

    3f4a14884cc71f4f6a0f147d261a74f62bd45c83

    SHA256

    5c597faa7f821c8c195a864b5cfd39746e4d0fccfcadff6fb4895156ba093d97

    SHA512

    a4a45988ff78e74bc12d53542acb7042c64196f4cd138a240ee1112b61e98dc82cd52ae5d2dbe9de63ab22d88b13cae74b4c74c845ecbc632e57debc36960872

  • memory/8-4-0x0000000004CF0000-0x0000000004D00000-memory.dmp

    Filesize

    64KB

  • memory/8-10-0x0000000005EF0000-0x0000000005F8C000-memory.dmp

    Filesize

    624KB

  • memory/8-5-0x0000000004A00000-0x0000000004A0A000-memory.dmp

    Filesize

    40KB

  • memory/8-6-0x0000000004CD0000-0x0000000004CE8000-memory.dmp

    Filesize

    96KB

  • memory/8-7-0x0000000004D50000-0x0000000004D58000-memory.dmp

    Filesize

    32KB

  • memory/8-8-0x0000000004D60000-0x0000000004D6A000-memory.dmp

    Filesize

    40KB

  • memory/8-9-0x0000000006020000-0x000000000608A000-memory.dmp

    Filesize

    424KB

  • memory/8-25-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/8-3-0x0000000004A90000-0x0000000004B22000-memory.dmp

    Filesize

    584KB

  • memory/8-2-0x0000000004FA0000-0x0000000005544000-memory.dmp

    Filesize

    5.6MB

  • memory/8-0-0x0000000000100000-0x00000000001A0000-memory.dmp

    Filesize

    640KB

  • memory/8-1-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/8-20-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/8-27-0x0000000004CF0000-0x0000000004D00000-memory.dmp

    Filesize

    64KB

  • memory/3844-30-0x0000000005640000-0x00000000056A6000-memory.dmp

    Filesize

    408KB

  • memory/3844-56-0x0000000004800000-0x0000000004810000-memory.dmp

    Filesize

    64KB

  • memory/3844-22-0x0000000004800000-0x0000000004810000-memory.dmp

    Filesize

    64KB

  • memory/3844-19-0x0000000004E40000-0x0000000005468000-memory.dmp

    Filesize

    6.2MB

  • memory/3844-69-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/3844-18-0x0000000004800000-0x0000000004810000-memory.dmp

    Filesize

    64KB

  • memory/3844-66-0x0000000007370000-0x0000000007378000-memory.dmp

    Filesize

    32KB

  • memory/3844-29-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/3844-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/3844-15-0x0000000004790000-0x00000000047C6000-memory.dmp

    Filesize

    216KB

  • memory/3844-40-0x0000000005890000-0x0000000005BE4000-memory.dmp

    Filesize

    3.3MB

  • memory/3844-42-0x0000000005D70000-0x0000000005DBC000-memory.dmp

    Filesize

    304KB

  • memory/3844-41-0x0000000005D20000-0x0000000005D3E000-memory.dmp

    Filesize

    120KB

  • memory/3844-44-0x000000007EFD0000-0x000000007EFE0000-memory.dmp

    Filesize

    64KB

  • memory/3844-43-0x00000000062F0000-0x0000000006322000-memory.dmp

    Filesize

    200KB

  • memory/3844-45-0x0000000070440000-0x000000007048C000-memory.dmp

    Filesize

    304KB

  • memory/3844-55-0x0000000006F00000-0x0000000006F1E000-memory.dmp

    Filesize

    120KB

  • memory/3844-65-0x0000000007390000-0x00000000073AA000-memory.dmp

    Filesize

    104KB

  • memory/3844-57-0x0000000006F20000-0x0000000006FC3000-memory.dmp

    Filesize

    652KB

  • memory/3844-58-0x0000000007690000-0x0000000007D0A000-memory.dmp

    Filesize

    6.5MB

  • memory/3844-59-0x0000000007050000-0x000000000706A000-memory.dmp

    Filesize

    104KB

  • memory/3844-60-0x00000000070C0000-0x00000000070CA000-memory.dmp

    Filesize

    40KB

  • memory/3844-61-0x00000000072D0000-0x0000000007366000-memory.dmp

    Filesize

    600KB

  • memory/3844-62-0x0000000007250000-0x0000000007261000-memory.dmp

    Filesize

    68KB

  • memory/3844-63-0x0000000007280000-0x000000000728E000-memory.dmp

    Filesize

    56KB

  • memory/3844-64-0x0000000007290000-0x00000000072A4000-memory.dmp

    Filesize

    80KB

  • memory/4072-21-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/4072-28-0x0000000005500000-0x0000000005566000-memory.dmp

    Filesize

    408KB

  • memory/4072-26-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-70-0x0000000006CA0000-0x0000000006CF0000-memory.dmp

    Filesize

    320KB

  • memory/4072-71-0x0000000006EC0000-0x0000000007082000-memory.dmp

    Filesize

    1.8MB

  • memory/4072-72-0x00000000747C0000-0x0000000074F70000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-73-0x0000000005600000-0x0000000005610000-memory.dmp

    Filesize

    64KB