Analysis

  • max time kernel
    92s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 21:33

General

  • Target

    faf16849aceebe194830161fbf3d2442_JaffaCakes118.exe

  • Size

    928KB

  • MD5

    faf16849aceebe194830161fbf3d2442

  • SHA1

    a9ac39f910f835c091229961c4c52a0ce29d0f75

  • SHA256

    c6302086b6db7921d47e261a5cf0dfb1d6da65a5e4d1d4a536929a4b58f236cf

  • SHA512

    20c79f3de5301a3759ff453979e5f71dcc2e3ff5df6a67a63e57d9bdc91c7b8b2401284ae702198b4d46638efbb7f88b28a0c913b684c81b8aab5116f52ba11d

  • SSDEEP

    24576:P9uR3P5Fxx7DDDln+ysC155idcWTJ8S66Vrs7xODLu1+StsE:1AxF7oyR35cFrExdt

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • UPX packed file 25 IoCs

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

  • Drops file in Program Files directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 37 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\faf16849aceebe194830161fbf3d2442_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\faf16849aceebe194830161fbf3d2442_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer start page
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.tiansin.com
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3624 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    26a530ee73be78630db043f4b5bd8889

    SHA1

    ec3c292b4e31813f36451a3e3bf25dbbd8986d04

    SHA256

    b2b21178dfef3ddd66650c43c8169a570fa5e6064ba1a27db37f5a6c12c0913d

    SHA512

    623470677efff3603c3564a3790eee35838b608c67ab5f965fbdf596e4342b1586be03a3db107a589398aec35e0c4e0c30f98b721379d0f9c6754f975db00194

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    7d183a7421be9a7d0d1a6ac3897b013a

    SHA1

    83edef638f0bcba9842aca09fedbe3763421ddec

    SHA256

    710a7769bf4c2c74dabd12397430892bedc471346aef855b282ec06f94237c22

    SHA512

    55dd9fa9cf3da8acbe6362da3dc56416134660f0776f76017c50c97dcff8ee482e839894e757fd0d0773dec2cb9f5f8fd1b254e9c500057ab71bd25309ef1146

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\KDOTUZKP\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/3748-40-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-2-0x00000000007C0000-0x00000000007C1000-memory.dmp

    Filesize

    4KB

  • memory/3748-7-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-38-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-9-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-14-0x0000000000401000-0x000000000047A000-memory.dmp

    Filesize

    484KB

  • memory/3748-11-0x00000000031C0000-0x0000000003363000-memory.dmp

    Filesize

    1.6MB

  • memory/3748-10-0x0000000002500000-0x00000000025F0000-memory.dmp

    Filesize

    960KB

  • memory/3748-62-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-60-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-58-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-63-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-56-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-54-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-52-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-70-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-50-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-34-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-46-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-44-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-42-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-0-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-13-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-5-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-48-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-32-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-30-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-28-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-26-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-24-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-22-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-21-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-20-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-19-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-17-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-4-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-71-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-72-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-73-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-74-0x0000000000BE0000-0x0000000000C20000-memory.dmp

    Filesize

    256KB

  • memory/3748-76-0x0000000000BE0000-0x0000000000C20000-memory.dmp

    Filesize

    256KB

  • memory/3748-77-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/3748-3-0x0000000000BE0000-0x0000000000C20000-memory.dmp

    Filesize

    256KB

  • memory/3748-36-0x0000000010000000-0x000000001003D000-memory.dmp

    Filesize

    244KB

  • memory/3748-1-0x0000000000BE0000-0x0000000000C20000-memory.dmp

    Filesize

    256KB