Analysis

  • max time kernel
    108s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 14:58

General

  • Target

    bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe

  • Size

    928KB

  • MD5

    bc8c9c47fbc12ecf67d1d2db3945475c

  • SHA1

    206b5978993ebe4c257a9fb4d020589468118d44

  • SHA256

    1371ed0e3652cdad077d790e54feec632246b2c457ce225a7536b0fb9d4489d7

  • SHA512

    3ea78baee9f493de47f5b746525e9e68919bda31654c15acadc18957ecfa50f6193d4bc35db8fdc3d1c46e65b7fe8d38a00dd72b3181f23f0ef48a45182ff1eb

  • SSDEEP

    24576:M5/eqDVN7IQhqbY82pVNjEFG1+2zLwfaUm:MVeqx6QhqYXtEFdA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kissme4eva

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

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

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

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bc8c9c47fbc12ecf67d1d2db3945475c_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hEbxgBEArIV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF92.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:4692
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2460

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpDF92.tmp

    Filesize

    1KB

    MD5

    7b731609dbd94b934f9839e91ea3f789

    SHA1

    b844456de4ed65d93124f5f087bee8ec791535b4

    SHA256

    ed0c4af184af826f9b1e0eadcbe64fbd5021e98f9c7930419899a1bd66979f75

    SHA512

    ec31fa191070da37d05078190de9033254015a4a161c288bde618d3a2aecf16b55f8a7856a9e21bdfc81d054114b7c0f7eee74e4c64b220de7ef048ddfbf7f21

  • memory/2460-25-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-24-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-23-0x00000000065E0000-0x0000000006630000-memory.dmp

    Filesize

    320KB

  • memory/2460-22-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-21-0x0000000005210000-0x0000000005228000-memory.dmp

    Filesize

    96KB

  • memory/2460-20-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-19-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/2460-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/3908-10-0x0000000008B10000-0x0000000008BAC000-memory.dmp

    Filesize

    624KB

  • memory/3908-7-0x000000007517E000-0x000000007517F000-memory.dmp

    Filesize

    4KB

  • memory/3908-11-0x0000000008A80000-0x0000000008AFA000-memory.dmp

    Filesize

    488KB

  • memory/3908-12-0x000000000F240000-0x000000000F2A6000-memory.dmp

    Filesize

    408KB

  • memory/3908-9-0x00000000088E0000-0x000000000895E000-memory.dmp

    Filesize

    504KB

  • memory/3908-8-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/3908-18-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/3908-0-0x000000007517E000-0x000000007517F000-memory.dmp

    Filesize

    4KB

  • memory/3908-6-0x0000000007430000-0x000000000743A000-memory.dmp

    Filesize

    40KB

  • memory/3908-5-0x0000000075170000-0x0000000075920000-memory.dmp

    Filesize

    7.7MB

  • memory/3908-4-0x0000000004A70000-0x0000000004A7A000-memory.dmp

    Filesize

    40KB

  • memory/3908-3-0x0000000007450000-0x00000000074E2000-memory.dmp

    Filesize

    584KB

  • memory/3908-2-0x0000000007950000-0x0000000007EF4000-memory.dmp

    Filesize

    5.6MB

  • memory/3908-1-0x00000000004E0000-0x00000000005D2000-memory.dmp

    Filesize

    968KB