Overview

overview

10

Static

static

3

33d790544b...18.exe

windows7-x64

3

33d790544b...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-07-2024 07:45

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General

  • Target

    33d790544bbc241e074481a7b8f012ab_JaffaCakes118.exe

  • Size

    544KB

  • MD5

    33d790544bbc241e074481a7b8f012ab

  • SHA1

    14222b527877179e6b9ddec1d31d2f5aef23a895

  • SHA256

    dfcb9e891629d3eae611d9eb19a34320141779f33183d35378cddbc1ccc79a73

  • SHA512

    638697a5d0d7a477a670b7750c09ed05e5fa6d7ec37012e7a5b0a70cb5cbb5e598a9b92cbf8d5d8b9c8ea62f2d6e54373edb24f711f0accdeeb7c4ab854301fb

  • SSDEEP

    12288:gQIWT/UzJW8ivxh7vHzgryd4GT1QOoJqbbEUqe9mJd/uB28Rr8O9F8/CwM:gQI+cJHiJRTHnxhUqEhe9suB2C8O9O

Score
10/10
evasionpersistenceupx

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
  • 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 52 IoCs
    persistence
  • 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • 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\33d790544bbc241e074481a7b8f012ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\33d790544bbc241e074481a7b8f012ab_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Users\Admin\gau5f8p1.exe
      C:\Users\Admin\gau5f8p1.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3520
      • C:\Users\Admin\vaaiki.exe
        "C:\Users\Admin\vaaiki.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2200
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del gau5f8p1.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1748
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4460
    • C:\Users\Admin\2des.exe
      C:\Users\Admin\2des.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2744
      • C:\Users\Admin\2des.exe
        "C:\Users\Admin\2des.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4736
      • C:\Users\Admin\2des.exe
        "C:\Users\Admin\2des.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2344
      • C:\Users\Admin\2des.exe
        "C:\Users\Admin\2des.exe"
        3⤵
        • Executes dropped EXE
        • Maps connected drives based on registry
        • Suspicious behavior: EnumeratesProcesses
        PID:3516
      • C:\Users\Admin\2des.exe
        "C:\Users\Admin\2des.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4816
      • C:\Users\Admin\2des.exe
        "C:\Users\Admin\2des.exe"
        3⤵
        • Executes dropped EXE
        PID:2792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 80
          4⤵
          • Program crash
          PID:1456
    • C:\Users\Admin\3des.exe
      C:\Users\Admin\3des.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:5020
      • C:\Users\Admin\AppData\Local\835ad4e5\X
        *0*bc*8b9eb851*31.193.3.240:53
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2236
        • C:\Windows\explorer.exe
          "C:\Windows\explorer.exe"
          4⤵
          • Modifies registry class
          PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 33d790544bbc241e074481a7b8f012ab_JaffaCakes118.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3140
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:2368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2792 -ip 2792
    1⤵
      PID:3932

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      132KB

      MD5

      da081a5c83e9130e96acb301295bb14b

      SHA1

      4e46aa4b39ea48c86838432e2724d7d3c508ab01

      SHA256

      7ff325379204c4ab4a2a8cd60f5299eba0582c4fe52014689fd69008d1154646

      SHA512

      46c1c1f0121bb1cd75656461a0e8044b665dc3601a79053516f7092b8230fb08be91eca4da1933d0719a78cf91699d1f6e641d06b3f21cdc5f3d97bcc9b381e1

      Download Submit

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

      286KB

      MD5

      cb278b7760c080ea4f57aea471f0f674

      SHA1

      2c052b2db7a196d127c2b84b62563d0c98ec0413

      SHA256

      74cb6a456be0e9bad997e8c97475c47ab27c40d3627484f7b38a86bd01c78930

      SHA512

      dbdf6a95b53a53f3a3dd929e0b1d63d512c00e9d28bf2f05c3e63707f0208f4f311adc637bb97a9d05bdb6bad9d6c7021aeec8c99ffe7033212e7763d4046bd3

      Download Submit

    • C:\Users\Admin\AppData\Local\835ad4e5\X
      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

      Download Submit

    • C:\Users\Admin\gau5f8p1.exe
      Filesize

      252KB

      MD5

      3e152747de87d4674484a003398db051

      SHA1

      82557817b08eb981afa68701092d9f6e0d71ef79

      SHA256

      1d5897272a1b899ce244d0863e9cf743adf4a9f5838bed75b7fc6a6e31a9da3e

      SHA512

      dd726c743cac5696bf225d4b8d5cfa7b28f218eb6e7f2325e4f75d3cc4539e417210d477bafbcd82e7eb9e7b4e8ce20ae6ad30e2e7d36d949223bed0c78dcfa7

      Download Submit

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

      252KB

      MD5

      73d3802b8378425515ff9ac08c5d2c5c

      SHA1

      26fee852bf5d317d49ffc38573fa1b6b86add8c8

      SHA256

      c6da8188efe5b61aad6beec689e78e6dced7a65042c7ee28cb70d44b5a265905

      SHA512

      d5b8d7e964f708e1b783297e58bd33a76f7452d8c9979c0f863fa9acb68e8647935f56e538623515ec5571f2e8e8b3926ad694b132f68bb31f46bb4043869e6d

      Download Submit

    • memory/2344-56-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2344-53-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2344-57-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/2344-59-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3516-62-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/3516-68-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/3516-67-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/3516-93-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/3516-64-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

      Download

    • memory/4736-52-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4736-47-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4736-87-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4736-50-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4816-69-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4816-70-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4816-72-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4816-94-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/5020-88-0x0000000030670000-0x00000000306C2000-memory.dmp

      Filesize

      328KB

      Download