Overview

overview

10

Static

static

3

eab1b1c6ef...18.exe

windows7-x64

10

eab1b1c6ef...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 05:44

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General

  • Target

    eab1b1c6efa586970d3683500c7f560f_JaffaCakes118.exe

  • Size

    556KB

  • MD5

    eab1b1c6efa586970d3683500c7f560f

  • SHA1

    1f69540322c998a0914d8487b4d8615ab4a56116

  • SHA256

    46bb881559c4c3af361f2ea49d61e837697cc4166d015ef371f1303b509e1aae

  • SHA512

    4b9217ed7c0af97ba09107a7c83ca4cc5f03408b8a260c9bd6ca198c4def20df944845d5a3a1103c24c6a162e178da347ae67ec452f576a5b9fbb4d77834aaba

  • SSDEEP

    12288:L7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:L7L1yMgcnOds44Fp2PWUDI8

Score
10/10
discoveryevasionpersistencespywarestealerupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

    discovery
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eab1b1c6efa586970d3683500c7f560f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eab1b1c6efa586970d3683500c7f560f_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\NB4wr66jY4.exe
      C:\Users\Admin\NB4wr66jY4.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Users\Admin\peofuu.exe
        "C:\Users\Admin\peofuu.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2448
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2228
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3804
    • C:\Users\Admin\2xek.exe
      C:\Users\Admin\2xek.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        PID:2260
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2260 -s 80
          4⤵
          • Program crash
          PID:4336
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:464
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2604
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3748
      • C:\Users\Admin\2xek.exe
        "C:\Users\Admin\2xek.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4372
    • C:\Users\Admin\3xek.exe
      C:\Users\Admin\3xek.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1760
      • C:\Users\Admin\AppData\Local\fab7201a\X
        *0*bc*d4caed4f*31.193.3.240:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3308
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe"
          4⤵
          • Modifies registry class
          PID:1316
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del eab1b1c6efa586970d3683500c7f560f_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3728
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2260 -ip 2260
    1⤵
      PID:5000

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\2xek.exe
      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

      Download Submit

    • C:\Users\Admin\3xek.exe
      Filesize

      251KB

      MD5

      2ce19a9f18fc524fe115603b4ad9b9aa

      SHA1

      30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

      SHA256

      6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

      SHA512

      c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

      Download Submit

    • C:\Users\Admin\AppData\Local\fab7201a\X
      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

      Download Submit

    • C:\Users\Admin\NB4wr66jY4.exe
      Filesize

      224KB

      MD5

      5f3f430c5d00e2a2e4e1aae0e09078b9

      SHA1

      48a6be11c16e694c42fa0a0d05783177ba1c4adb

      SHA256

      b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

      SHA512

      3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

      Download Submit

    • C:\Users\Admin\peofuu.exe
      Filesize

      224KB

      MD5

      37190127e2d9f9eb1e5266fa3a8efb33

      SHA1

      64264ebf037485ddc0c89f0e78dd2c9434f06e56

      SHA256

      81623afe53216e563aba74e7f4c5bb1479563ebe50e899517cde217f0bf3c36a

      SHA512

      caeb05179435a67d4db70a95cd3dcac88a61e6bcca46f7ab7d1558939339332f85d5bd548cfc4565559946e4054b1484e63addffe8cf13d1f1738dee824358cd

      Download Submit

    • memory/464-84-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

      Download

    • memory/464-51-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

      Download

    • memory/464-50-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

      Download

    • memory/464-48-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

      Download

    • memory/464-52-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

      Download

    • memory/1760-83-0x0000000030670000-0x00000000306C7000-memory.dmp

      Filesize

      348KB

      Download

    • memory/2604-53-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

      Download

    • memory/2604-85-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

      Download

    • memory/2604-61-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

      Download

    • memory/2604-60-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

      Download

    • memory/3748-59-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3748-55-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3748-57-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3748-86-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4372-62-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/4372-71-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/4372-68-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

      Download

    • memory/4372-64-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

      Download