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Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/01/2025, 01:51

General

  • Target

    33eac721076c99a55758eae610f5a181346e9b378dc28ff9eb601d7e9ed55c23.exe

  • Size

    1.3MB

  • MD5

    3a5d6126fc6f8eb2a4120964d61c59db

  • SHA1

    faf50512b6898bf7bd01483dbe275afbcc2e8c2d

  • SHA256

    33eac721076c99a55758eae610f5a181346e9b378dc28ff9eb601d7e9ed55c23

  • SHA512

    445d0ffaa74c7456d7ee77a18f03c67fcaa936a4840272daec3765a28b86371f6268679c77cfe9022ba598dbc25ab68af2643eb5dc3a9e33d32fbc1219c47760

  • SSDEEP

    24576:OHj1M7H0FpYOyluYcDv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:O1A0pzxljLoyEkmZ9Y14

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33eac721076c99a55758eae610f5a181346e9b378dc28ff9eb601d7e9ed55c23.exe
    "C:\Users\Admin\AppData\Local\Temp\33eac721076c99a55758eae610f5a181346e9b378dc28ff9eb601d7e9ed55c23.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\33eac721076c99a55758eae610f5a181346e9b378dc28ff9eb601d7e9ed55c23.exe
      "C:\Users\Admin\AppData\Local\Temp\33eac721076c99a55758eae610f5a181346e9b378dc28ff9eb601d7e9ed55c23.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\33eac721076c99a55758eae610f5a181346e9b378dc28ff9eb601d7e9ed55c23.exe.log

    Filesize

    1KB

    MD5

    cf02a49bbd8d4586927e5fee38ae54da

    SHA1

    2802d8e79eed9911b39d2ae70fc6bdf7e1a7e605

    SHA256

    8be9b278ad090d0bc8fcc098c7289d782ae86240f69220d7d7175e38be892ec4

    SHA512

    542649eaec7089a89fa34c70d2a60d5b80ff4437125f5b69c70763e65b9a10bac01b786509ccc54c3e18e9c2acf306b24463fee611cfc137b6e9889c35162205

  • memory/1196-6-0x0000000008520000-0x000000000852A000-memory.dmp

    Filesize

    40KB

  • memory/1196-2-0x0000000005CE0000-0x0000000006284000-memory.dmp

    Filesize

    5.6MB

  • memory/1196-3-0x00000000057D0000-0x0000000005862000-memory.dmp

    Filesize

    584KB

  • memory/1196-4-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1196-5-0x0000000005770000-0x000000000577A000-memory.dmp

    Filesize

    40KB

  • memory/1196-15-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1196-7-0x0000000008530000-0x000000000857C000-memory.dmp

    Filesize

    304KB

  • memory/1196-8-0x000000007504E000-0x000000007504F000-memory.dmp

    Filesize

    4KB

  • memory/1196-9-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/1196-10-0x0000000008620000-0x00000000086BC000-memory.dmp

    Filesize

    624KB

  • memory/1196-11-0x0000000008780000-0x00000000087F0000-memory.dmp

    Filesize

    448KB

  • memory/1196-0-0x000000007504E000-0x000000007504F000-memory.dmp

    Filesize

    4KB

  • memory/1196-1-0x0000000000D50000-0x0000000000EA6000-memory.dmp

    Filesize

    1.3MB

  • memory/3940-12-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3940-16-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3940-17-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3940-18-0x0000000005650000-0x0000000005668000-memory.dmp

    Filesize

    96KB

  • memory/3940-19-0x0000000006000000-0x0000000006066000-memory.dmp

    Filesize

    408KB

  • memory/3940-20-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3940-21-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3940-22-0x0000000006220000-0x0000000006270000-memory.dmp

    Filesize

    320KB

  • memory/3940-23-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB

  • memory/3940-24-0x0000000075040000-0x00000000757F0000-memory.dmp

    Filesize

    7.7MB