Analysis

  • max time kernel
    134s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 15:43

General

  • Target

    f8b193e6106032540dd2398cad8e3430_JaffaCakes118.exe

  • Size

    539KB

  • MD5

    f8b193e6106032540dd2398cad8e3430

  • SHA1

    3fd5eb46f3deefd547fcba79315d8aa96e8d75dc

  • SHA256

    d000a3af56339c902adef6d7fa670e12d3d682cc8b31e9499cf00f74ba6c06b3

  • SHA512

    fe07d427f6ac55be0ee9f97ed0e1c7983c7dfc3794da50218acdd06a7911aeed9a65cbf6c6fed9603391f17bd23b7119ce6112ef4cba879c226d7fcf655125dd

  • SSDEEP

    12288:S0E7/yQ+npU7JgqjMjVmdyD3qnWoJRncj:27/E+tgqjMheyD3qTrne

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.florencebeautyandnail.nl
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    tanga333

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8b193e6106032540dd2398cad8e3430_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8b193e6106032540dd2398cad8e3430_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PuhINcRwSP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp96FB.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4236
    • C:\Users\Admin\AppData\Local\Temp\f8b193e6106032540dd2398cad8e3430_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f8b193e6106032540dd2398cad8e3430_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f8b193e6106032540dd2398cad8e3430_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\tmp96FB.tmp

    Filesize

    1KB

    MD5

    a30fcd89a4d81666b872bf18ef1edea8

    SHA1

    c5a0e00e481fd487861af25ecf10724d75842999

    SHA256

    e42c006fa11b4ca3188dc08a6c82c16c21ab71571a836fd140dbcef503357bd4

    SHA512

    cb70552e18e9e45ffb8183fd250035aa88c8a4917e7adab9b3ddf518947c0b8b670d26d7f52bd29cb70f61ff7205faff707e7b70d65cc40e6e806ffc9e9c584a

  • memory/2388-26-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-25-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-24-0x0000000005FC0000-0x0000000006026000-memory.dmp

    Filesize

    408KB

  • memory/2388-23-0x0000000005710000-0x0000000005728000-memory.dmp

    Filesize

    96KB

  • memory/2388-22-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-21-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/2388-17-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/4420-10-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4420-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/4420-11-0x0000000006550000-0x00000000065BA000-memory.dmp

    Filesize

    424KB

  • memory/4420-9-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

    Filesize

    4KB

  • memory/4420-8-0x0000000005CA0000-0x0000000005CAA000-memory.dmp

    Filesize

    40KB

  • memory/4420-7-0x0000000005A80000-0x0000000005AD6000-memory.dmp

    Filesize

    344KB

  • memory/4420-20-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4420-6-0x0000000074B40000-0x00000000752F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4420-5-0x0000000005860000-0x000000000586A000-memory.dmp

    Filesize

    40KB

  • memory/4420-4-0x00000000058F0000-0x0000000005982000-memory.dmp

    Filesize

    584KB

  • memory/4420-3-0x0000000005EA0000-0x0000000006444000-memory.dmp

    Filesize

    5.6MB

  • memory/4420-2-0x0000000005730000-0x00000000057CC000-memory.dmp

    Filesize

    624KB

  • memory/4420-1-0x0000000000EC0000-0x0000000000F4C000-memory.dmp

    Filesize

    560KB