Analysis

  • max time kernel
    145s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-09-2024 22:22

General

  • Target

    f49de8182b061b912af4f058c3173235_JaffaCakes118.exe

  • Size

    438KB

  • MD5

    f49de8182b061b912af4f058c3173235

  • SHA1

    8d965833c30bac0866d08153a0d333afc6681e12

  • SHA256

    57cc15c67d2da409e94283454a160a863bc05546435bf1d318560089b6396834

  • SHA512

    371f9664f1afdd6b1ad2799cb1f781e620785b2198d591019c5b6b12944a44bf0f97acbccc34434e843b850091f44a830baf337206805003c2dc6e2b2f4a68f6

  • SSDEEP

    12288:BdGwY0bQidS9mSWvsR5L6buZcsMYHIujxpqy76dOlDEMK:00b49PW0T+bhDE3qy

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f49de8182b061b912af4f058c3173235_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f49de8182b061b912af4f058c3173235_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\AppData\Local\Temp\f49de8182b061b912af4f058c3173235_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f49de8182b061b912af4f058c3173235_JaffaCakes118.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f49de8182b061b912af4f058c3173235_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • memory/1072-6-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/1072-8-0x0000000003030000-0x0000000003038000-memory.dmp

    Filesize

    32KB

  • memory/1072-11-0x00000000087D0000-0x000000000882E000-memory.dmp

    Filesize

    376KB

  • memory/1072-4-0x0000000007BC0000-0x0000000007C52000-memory.dmp

    Filesize

    584KB

  • memory/1072-5-0x0000000003010000-0x000000000301A000-memory.dmp

    Filesize

    40KB

  • memory/1072-0-0x000000007525E000-0x000000007525F000-memory.dmp

    Filesize

    4KB

  • memory/1072-7-0x0000000007A80000-0x0000000007AD6000-memory.dmp

    Filesize

    344KB

  • memory/1072-12-0x0000000008830000-0x0000000008870000-memory.dmp

    Filesize

    256KB

  • memory/1072-9-0x000000007525E000-0x000000007525F000-memory.dmp

    Filesize

    4KB

  • memory/1072-1-0x0000000000B50000-0x0000000000BC4000-memory.dmp

    Filesize

    464KB

  • memory/1072-3-0x0000000008170000-0x0000000008714000-memory.dmp

    Filesize

    5.6MB

  • memory/1072-2-0x0000000007B20000-0x0000000007BBC000-memory.dmp

    Filesize

    624KB

  • memory/1072-10-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/1072-17-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2704-24-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2704-16-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2704-18-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2704-20-0x0000000006370000-0x00000000063D6000-memory.dmp

    Filesize

    408KB

  • memory/2704-19-0x00000000056F0000-0x0000000005708000-memory.dmp

    Filesize

    96KB

  • memory/2704-21-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2704-22-0x0000000075250000-0x0000000075A00000-memory.dmp

    Filesize

    7.7MB

  • memory/2704-23-0x0000000006760000-0x00000000067B0000-memory.dmp

    Filesize

    320KB

  • memory/2704-13-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB