Analysis

  • max time kernel
    129s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/01/2023, 22:32

General

  • Target

    7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe

  • Size

    1.1MB

  • MD5

    c8f78f4ec916de2a794ada0f74524a92

  • SHA1

    c5e78e9d7fbac0572d8b276968799bbced619cc7

  • SHA256

    7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db

  • SHA512

    b2c2fe87e2a335477a179ef184a0f10c389965e9774a6b4608de24ca2a37cc42592a43d7f7e2a50bc9c5a16dfaacefe970f87454acfdac7b6b4a7d2a338fe009

  • SSDEEP

    12288:YV4g0gWsfISQ5KDYmMjlyCwv8GJhzVJMAv5gSi8riwUTiLdw/6WHvYM16ffrifPc:y0gWBSM8j/JhxZiSi8lUTyvWX1Qf+c

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5590596148:AAFELAezvK26mOp3KWIpAgxEVzQMQ56n6zg/

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe
    "C:\Users\Admin\AppData\Local\Temp\7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1944
    • 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\7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1836
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\YPAKilfGihHhm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3244
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YPAKilfGihHhm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp445C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1756
    • C:\Users\Admin\AppData\Local\Temp\7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe
      "C:\Users\Admin\AppData\Local\Temp\7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe"
      2⤵
        PID:928
      • C:\Users\Admin\AppData\Local\Temp\7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe
        "C:\Users\Admin\AppData\Local\Temp\7f7322dd08a3f54e840b31b0c1c01a65676701cb15ed97ea3cdb6b0edf5402db.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1776

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      936B

      MD5

      a6b393f4670ae78d18784531f640a903

      SHA1

      80d36c8dea9f3e29ffdc4af28fd4caa2f95b9deb

      SHA256

      d57c23fef3f5d5f2dcfb1aa3e589e79d55614a94c2a82b9e875d3667caec22a0

      SHA512

      ecb35e25f3d17756855f425b8f4b06fe7cae5d70e0cd537e2cdc2d0fb5c6215f1628ebd8aacb3126928fdf9277372241ff188c753fdfd769a045dc3166bd97cc

    • C:\Users\Admin\AppData\Local\Temp\tmp445C.tmp

      Filesize

      1KB

      MD5

      09aa7f5eaaebf552c02fe4bd08363898

      SHA1

      353a2555bf4d7da843fffbb645795dc9d9194ade

      SHA256

      88ebea97aa79fdc59a285bdfa41464ddd472e41cf45cff322b92b5194e7b38c1

      SHA512

      869355e877c915f7888398096a3e53c74185459ae7ee4ee66fc01238ad8a7ba00a52aa8a939403fcc2439e0b31c0afd56b45693ad850d67ba7bcaf6cae33620a

    • memory/1776-148-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/1776-158-0x0000000007030000-0x0000000007080000-memory.dmp

      Filesize

      320KB

    • memory/1836-138-0x00000000053D0000-0x0000000005406000-memory.dmp

      Filesize

      216KB

    • memory/1836-143-0x00000000059A0000-0x00000000059C2000-memory.dmp

      Filesize

      136KB

    • memory/1836-153-0x0000000006F10000-0x0000000006F2E000-memory.dmp

      Filesize

      120KB

    • memory/1836-145-0x0000000006330000-0x0000000006396000-memory.dmp

      Filesize

      408KB

    • memory/1836-160-0x0000000007FA0000-0x0000000007FBA000-memory.dmp

      Filesize

      104KB

    • memory/1836-152-0x0000000071800000-0x000000007184C000-memory.dmp

      Filesize

      304KB

    • memory/1836-141-0x0000000005B30000-0x0000000006158000-memory.dmp

      Filesize

      6.2MB

    • memory/1836-155-0x0000000007C60000-0x0000000007C7A000-memory.dmp

      Filesize

      104KB

    • memory/1836-161-0x0000000007F80000-0x0000000007F88000-memory.dmp

      Filesize

      32KB

    • memory/1944-132-0x0000000000470000-0x0000000000584000-memory.dmp

      Filesize

      1.1MB

    • memory/1944-135-0x0000000004F30000-0x0000000004F3A000-memory.dmp

      Filesize

      40KB

    • memory/1944-134-0x0000000004FB0000-0x0000000005042000-memory.dmp

      Filesize

      584KB

    • memory/1944-136-0x0000000007380000-0x000000000741C000-memory.dmp

      Filesize

      624KB

    • memory/1944-133-0x00000000054C0000-0x0000000005A64000-memory.dmp

      Filesize

      5.6MB

    • memory/3244-150-0x0000000006010000-0x0000000006042000-memory.dmp

      Filesize

      200KB

    • memory/3244-156-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

      Filesize

      40KB

    • memory/3244-157-0x0000000006FD0000-0x0000000007066000-memory.dmp

      Filesize

      600KB

    • memory/3244-154-0x00000000073A0000-0x0000000007A1A000-memory.dmp

      Filesize

      6.5MB

    • memory/3244-159-0x0000000006F80000-0x0000000006F8E000-memory.dmp

      Filesize

      56KB

    • memory/3244-151-0x0000000071800000-0x000000007184C000-memory.dmp

      Filesize

      304KB

    • memory/3244-149-0x0000000005A50000-0x0000000005A6E000-memory.dmp

      Filesize

      120KB

    • memory/3244-144-0x00000000052C0000-0x0000000005326000-memory.dmp

      Filesize

      408KB