Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 20:09

General

  • Target

    JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe

  • Size

    537KB

  • MD5

    76e6e924a78ee97b57efed024869a182

  • SHA1

    62254805971c9dd385b1ebda243ca7425a035543

  • SHA256

    699ee69836ad492c5de30f0f38b2335517dd3257af66c196175f5d65a38203f0

  • SHA512

    eafae683f6fee198fdb1e2430ec442bda2b8562fba1736ee9bdf0ed0452940b142c8a1260e4ccaf3522a7ecea9b7a716b6677a0cc90e67f2ac4268d61a3d3baa

  • SSDEEP

    12288:MIc/zMh+Lv+Jiw/Ij2pEL+I3BwBICN2Hhh:Mj/oh+D+0we2pELFuZNAhh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.karanex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oi&-tmhj@d5v

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • 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
  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.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
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1596
    • 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\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4932
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sbpgrrZobTQq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D62.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:924
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\JaffaCakes118_76e6e924a78ee97b57efed024869a182.exe.log

    Filesize

    1KB

    MD5

    e08f822522c617a40840c62e4b0fb45e

    SHA1

    ae516dca4da5234be6676d3f234c19ec55725be7

    SHA256

    bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

    SHA512

    894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zw4zpxi4.wm3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1596-6-0x0000000006100000-0x000000000610E000-memory.dmp

    Filesize

    56KB

  • memory/1596-3-0x00000000052A0000-0x0000000005332000-memory.dmp

    Filesize

    584KB

  • memory/1596-4-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-5-0x0000000005220000-0x000000000522A000-memory.dmp

    Filesize

    40KB

  • memory/1596-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

    Filesize

    5.6MB

  • memory/1596-7-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/1596-8-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1596-9-0x00000000082E0000-0x000000000837C000-memory.dmp

    Filesize

    624KB

  • memory/1596-10-0x0000000008440000-0x00000000084A0000-memory.dmp

    Filesize

    384KB

  • memory/1596-11-0x0000000008750000-0x00000000087B6000-memory.dmp

    Filesize

    408KB

  • memory/1596-1-0x00000000007F0000-0x000000000087C000-memory.dmp

    Filesize

    560KB

  • memory/1596-0-0x000000007474E000-0x000000007474F000-memory.dmp

    Filesize

    4KB

  • memory/1596-27-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-26-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-21-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1636-67-0x0000000006950000-0x00000000069A0000-memory.dmp

    Filesize

    320KB

  • memory/1636-66-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-65-0x00000000055E0000-0x00000000055F8000-memory.dmp

    Filesize

    96KB

  • memory/4932-51-0x00000000067B0000-0x00000000067CE000-memory.dmp

    Filesize

    120KB

  • memory/4932-54-0x0000000007500000-0x000000000751A000-memory.dmp

    Filesize

    104KB

  • memory/4932-28-0x0000000005BA0000-0x0000000005EF4000-memory.dmp

    Filesize

    3.3MB

  • memory/4932-12-0x0000000001050000-0x0000000001086000-memory.dmp

    Filesize

    216KB

  • memory/4932-38-0x00000000061E0000-0x00000000061FE000-memory.dmp

    Filesize

    120KB

  • memory/4932-39-0x0000000006760000-0x00000000067AC000-memory.dmp

    Filesize

    304KB

  • memory/4932-40-0x00000000071D0000-0x0000000007202000-memory.dmp

    Filesize

    200KB

  • memory/4932-41-0x00000000709B0000-0x00000000709FC000-memory.dmp

    Filesize

    304KB

  • memory/4932-13-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-52-0x0000000007210000-0x00000000072B3000-memory.dmp

    Filesize

    652KB

  • memory/4932-53-0x0000000007B50000-0x00000000081CA000-memory.dmp

    Filesize

    6.5MB

  • memory/4932-25-0x00000000051D0000-0x0000000005236000-memory.dmp

    Filesize

    408KB

  • memory/4932-55-0x0000000007570000-0x000000000757A000-memory.dmp

    Filesize

    40KB

  • memory/4932-56-0x0000000007780000-0x0000000007816000-memory.dmp

    Filesize

    600KB

  • memory/4932-57-0x0000000007700000-0x0000000007711000-memory.dmp

    Filesize

    68KB

  • memory/4932-58-0x0000000007730000-0x000000000773E000-memory.dmp

    Filesize

    56KB

  • memory/4932-59-0x0000000007740000-0x0000000007754000-memory.dmp

    Filesize

    80KB

  • memory/4932-60-0x0000000007840000-0x000000000785A000-memory.dmp

    Filesize

    104KB

  • memory/4932-61-0x0000000007820000-0x0000000007828000-memory.dmp

    Filesize

    32KB

  • memory/4932-64-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-24-0x0000000005130000-0x0000000005152000-memory.dmp

    Filesize

    136KB

  • memory/4932-15-0x0000000005470000-0x0000000005A98000-memory.dmp

    Filesize

    6.2MB