Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-07-2024 21:17

General

  • Target

    60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    60b5b44b1f5408f7188a0d3c447b2174

  • SHA1

    b896fcecbe9e307ed1dbdd7352827875fba50b7f

  • SHA256

    b779eabef9d5148f570bcb451f564bba1519a5616ba8a910ef3768cfe61b2cea

  • SHA512

    f7b56c314a1728120c1c47e25593bce58cea5ee353d8fce0f6d64d8b0709999b4f1fca424e6d5ed0164fb823cc5e6343fbe7415f381609b6e88396edbe4224e2

  • SSDEEP

    24576:BqqHXvbDj/RqcniRJRwjpK0htPfSTYmOKDmUQBb:BqqzDj/CfRwjpFrfvmPDmUQ

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • System Binary Proxy Execution: InstallUtil 1 TTPs 2 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 18 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 5 IoCs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\60b5b44b1f5408f7188a0d3c447b2174_JaffaCakes118.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v upohg /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ublf.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v upohg /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\ublf.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2828
    • C:\Users\Admin\ublf.exe
      "C:\Users\Admin\ublf.exe"
      2⤵
      • System Binary Proxy Execution: InstallUtil
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
        "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:4608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

    Filesize

    41KB

    MD5

    5d4073b2eb6d217c19f2b22f21bf8d57

    SHA1

    f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

    SHA256

    ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

    SHA512

    9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

  • C:\Users\Admin\AppData\Local\Temp\b1f92ac9-345d-4ee6-83d6-512dab76f3b9\i.dll

    Filesize

    94KB

    MD5

    14ff402962ad21b78ae0b4c43cd1f194

    SHA1

    f8a510eb26666e875a5bdd1cadad40602763ad72

    SHA256

    fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

    SHA512

    daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

  • C:\Users\Admin\ublf.exe

    Filesize

    1.2MB

    MD5

    60b5b44b1f5408f7188a0d3c447b2174

    SHA1

    b896fcecbe9e307ed1dbdd7352827875fba50b7f

    SHA256

    b779eabef9d5148f570bcb451f564bba1519a5616ba8a910ef3768cfe61b2cea

    SHA512

    f7b56c314a1728120c1c47e25593bce58cea5ee353d8fce0f6d64d8b0709999b4f1fca424e6d5ed0164fb823cc5e6343fbe7415f381609b6e88396edbe4224e2

  • memory/1228-425-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/1228-418-0x0000000006B30000-0x0000000006B3C000-memory.dmp

    Filesize

    48KB

  • memory/1228-417-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/1228-416-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/1228-232-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/1228-230-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-66-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-26-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-74-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-72-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-70-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-68-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

    Filesize

    4KB

  • memory/4032-64-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-60-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-58-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-56-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-54-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-52-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-50-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-14-0x0000000073A10000-0x0000000073A99000-memory.dmp

    Filesize

    548KB

  • memory/4032-46-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-44-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-42-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-40-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-38-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-36-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-34-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-32-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-30-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-28-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-49-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-24-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-22-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-20-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-18-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-16-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-15-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-195-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

    Filesize

    4KB

  • memory/4032-196-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-197-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-200-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-62-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-76-0x00000000024D0000-0x00000000024F6000-memory.dmp

    Filesize

    152KB

  • memory/4032-231-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-6-0x0000000004C20000-0x0000000004CB2000-memory.dmp

    Filesize

    584KB

  • memory/4032-5-0x0000000004B30000-0x0000000004B74000-memory.dmp

    Filesize

    272KB

  • memory/4032-4-0x00000000050E0000-0x0000000005684000-memory.dmp

    Filesize

    5.6MB

  • memory/4032-3-0x00000000024D0000-0x00000000024FC000-memory.dmp

    Filesize

    176KB

  • memory/4032-2-0x0000000074F80000-0x0000000075730000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-1-0x0000000000110000-0x0000000000248000-memory.dmp

    Filesize

    1.2MB

  • memory/4608-424-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/4608-940-0x0000000005290000-0x000000000532C000-memory.dmp

    Filesize

    624KB

  • memory/4608-941-0x0000000005240000-0x0000000005284000-memory.dmp

    Filesize

    272KB

  • memory/4608-942-0x00000000054F0000-0x0000000005556000-memory.dmp

    Filesize

    408KB

  • memory/4608-950-0x0000000006C50000-0x0000000006C5A000-memory.dmp

    Filesize

    40KB

  • memory/4608-954-0x0000000007FE0000-0x0000000008030000-memory.dmp

    Filesize

    320KB

  • memory/4608-962-0x0000000007C30000-0x0000000007C44000-memory.dmp

    Filesize

    80KB