Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-01-2025 13:25

General

  • Target

    JaffaCakes118_65682f641bbadc15ac3eec442feb4f41.exe

  • Size

    399KB

  • MD5

    65682f641bbadc15ac3eec442feb4f41

  • SHA1

    5115cdffb6cdae8f475c901514d67556a1c5b797

  • SHA256

    2c7a657dfbea9c247ca711eb7e6e15387e0f4d502342f586689b8de8de3aad5d

  • SHA512

    d63e86b9099f4c43c8b24ba25773d57501318211b0209f2ca9ddda9e3e0803885bfd641314707c1f2ee1d876b15090c1535a7766f2526690aff046f50ff088b4

  • SSDEEP

    12288:hG9b2kkxA7FdnVS/pe9kfM9IWRTB1B/00:h3RAJJM/pRsIWRT9/00

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Criok

C2

ildriendfrirotoi.zapto.org:61790

fruitingsuccess.ignorelist.com:61789

Mutex

QSR_MUTEX_JS7TIscSksvJKrLXxw

Attributes
  • encryption_key

    7RWfQmQNDJPIz1c1QtI1

  • install_name

    Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windows Update

  • subdirectory

    Windows

Extracted

Family

latentbot

C2

ildriendfrirotoi.zapto.org

Signatures

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Latentbot family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 5 IoCs
  • System Binary Proxy Execution: InstallUtil 1 TTPs 3 IoCs

    Abuse InstallUtil to proxy execution of malicious code.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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 6 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65682f641bbadc15ac3eec442feb4f41.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65682f641bbadc15ac3eec442feb4f41.exe"
    1⤵
    • System Binary Proxy Execution: InstallUtil
    • 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:1600
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\gDDSBGKB6oVh.bat" "
        3⤵
        • System Binary Proxy Execution: InstallUtil
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1924
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2824
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 10 localhost
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2132
        • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
          "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\gDDSBGKB6oVh.bat

    Filesize

    208B

    MD5

    f17fd101ecee858bcc7f85d0e66a76d1

    SHA1

    f833ef365c7bedfa5662151f9e9bd9fc76dc2866

    SHA256

    4e08ebde6f350e1d82b5005d8d2cc64c84dfcd8da6c4b44d9b97963df5a7e093

    SHA512

    cc259eea16536e2054d56aabd17940625c99316fd6d0546134a8f451ce4b29926a3c8da1efaea90ec18318880a80695740a41b017aff6f594974550c4014d3b6

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

    Filesize

    40KB

    MD5

    91c9ae9c9a17a9db5e08b120e668c74c

    SHA1

    50770954c1ceb0bb6f1d5d3f2de2a0a065773723

    SHA256

    e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

    SHA512

    ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

  • memory/1600-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/1600-1-0x0000000000FE0000-0x000000000104A000-memory.dmp

    Filesize

    424KB

  • memory/1600-2-0x0000000073F1E000-0x0000000073F1F000-memory.dmp

    Filesize

    4KB

  • memory/1600-3-0x0000000000570000-0x00000000005D6000-memory.dmp

    Filesize

    408KB

  • memory/1600-4-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1600-7-0x0000000000610000-0x000000000064E000-memory.dmp

    Filesize

    248KB

  • memory/1600-25-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-39-0x0000000000350000-0x000000000035C000-memory.dmp

    Filesize

    48KB

  • memory/2568-12-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2568-22-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2568-20-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2568-17-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2568-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2568-26-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2568-13-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2568-24-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2568-14-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB

  • memory/2568-36-0x0000000073F10000-0x00000000745FE000-memory.dmp

    Filesize

    6.9MB

  • memory/2568-11-0x0000000000400000-0x000000000045E000-memory.dmp

    Filesize

    376KB