Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 17:43

General

  • Target

    c13faad0d040729a86651441b98f7e4d_JaffaCakes118.exe

  • Size

    565KB

  • MD5

    c13faad0d040729a86651441b98f7e4d

  • SHA1

    652fd06b9761953a6f4f9ff2dc879a504c0c41ce

  • SHA256

    14f70935dcd5146eea1d34a29b4fe4a61eb904898203a4aa15771ad72990074a

  • SHA512

    db9be9ba501240455845620a72e923f2ebce9d9ea08bf71d811c3daa32b276523d0711fdf1e5d9dd9e3292f9f6690b665b507c781038d1810cd516f27e3fc65c

  • SSDEEP

    12288:jJrg1Y6A9LLH00HsurSOk7vffkfKGHYwz6uqOYKsx0QaDFplH6w9RERJ:jaYpHVHTSx7vff6KG4wuuZ80v5e62J

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 9 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 18 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 10 IoCs
  • 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.

  • Modifies registry class 5 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs
  • System policy modification 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c13faad0d040729a86651441b98f7e4d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c13faad0d040729a86651441b98f7e4d_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\KEYGEN-FFF.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\KEYGEN-FFF.exe 3175142229 RwZWsJSR Vq 0 5 3 cvx0408 DeviceMgr image118 PS3Export minneap _KEYGEN-FFF.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2220
      • C:\Windows\SysWOW64\icacls.exe
        C:\Windows\SysWOW64\icacls.exe C:\Windows\SysWOW64\1098 /setintegritylevel (OI)(CI)low /T /C
        3⤵
        • Modifies file permissions
        • System Location Discovery: System Language Discovery
        PID:2960
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\SysWOW64\cmd.exe" /c at 16:12 /every:Su "C:\Windows\SysWOW64\RMMActivate.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2864
        • C:\Windows\SysWOW64\at.exe
          at 16:12 /every:Su "C:\Windows\SysWOW64\RMMActivate.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2872
      • C:\Users\Admin\AppData\Local\Temp\_KEYGEN-FFF.exe
        "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\..\_KEYGEN-FFF.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\3175142229

    Filesize

    56KB

    MD5

    e4ffca4552fe53e6cbba5a3d5c763a68

    SHA1

    f61f833b90778a16380383f40bc08eb08feadb0d

    SHA256

    058e78f5f7aa0f9de8678e7a17af35501c2e9018f449509d62ca89ef8378def4

    SHA512

    095a4ff2534277d0c3bab24d3e033b4334250da2abe1eec7c418f5ee7c576ec03253e6219a964a45f2cf931af74c6edd49fe7ec632a5cfc0f1ac582722b964bc

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\DeviceMgr

    Filesize

    10KB

    MD5

    8d0dace48d089fd1f4b3bef931ea2e1a

    SHA1

    461358d15fbfa8e0ce3a15b1c9b481e4894c1b76

    SHA256

    7adc38ed97e9627c33fd3ece18aa5f3476545292acf2626a450fa290b2af0566

    SHA512

    2e7293735e2010447f2378b0e6cd0cc38f908a75821cf716c1ab7ce7bb8139a7d5f9413aea64a04a122975b8ce9507d059c9339087707563a94b010afeb459b7

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\PS3Export

    Filesize

    20KB

    MD5

    91aae5e86c2dcdb161d325010f96b681

    SHA1

    da506439bb63299f7849177795268a13cbda4932

    SHA256

    2d7e43601123e480d4a1a790541655483e1f34cbc1b73c460558598460483be4

    SHA512

    f89cfe6171eddbb267677f0ef62b1b5d77e995c5174b2b6f3bd548bb9287babc514af2300c6b6ffc2808de5ed9d7b452444c75b9aaee7135f7b429955359bc81

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\_KEYGEN-FFF.exe

    Filesize

    98KB

    MD5

    2860f63a29430e313d38a4c6fc339910

    SHA1

    36e31c41c456a79ae3fb32636764cdac448ed049

    SHA256

    dd39b2ce1dc53e916c68306e75b00f30629d10bd61b199aa3fa22d388d9f3afc

    SHA512

    2816de42ed7e3aa61b0cd7f5687f97a280b78a1dba7525b4dc8b2e61b0b5dd5b900c49deaa734ad5b127db0842424a057f3b067d1ee07b98b5e693c7b2a95f1c

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\cvx0408

    Filesize

    35KB

    MD5

    eb25561fa87b08187a1037e47f84bf99

    SHA1

    2f8fd3e364b61566a29f5e495b70c4f70af1034b

    SHA256

    d95e6521dcd6be85881b83ec2675652efdbe69f4dcf42cfdf9db540d5685e434

    SHA512

    0c340a8afb15ba076b7414670c7b05924eaa6f10732fd45a9fe6de248608916d364b0a47b305d9b38c8a4b9fd757ab18411ee7ca7cd07b108454ce38cb857a90

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\image118

    Filesize

    87KB

    MD5

    93b0115ccbf3cc40f2c08a1f5b154bf5

    SHA1

    3d961312ba1fc632b7da1b54b8fad975c6a73ab6

    SHA256

    34335a33ebb1d599ff2c2ee81f028ed1e33d39833ee3e1466634002f23007c2e

    SHA512

    b0333eff87f00d15f34f1bfc7b4178fd8fd0a38494190b88c71ad4d5bb055604122fed263c2d50bb88db88bc6fdaf4bf8bcd13add3ad313a0b497485fe124600

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\minneap

    Filesize

    262KB

    MD5

    df9f94112f8bcde0affe2559fb334075

    SHA1

    846fcf4fed5cecfb2f3a47978d1ae1a4bf5df5a9

    SHA256

    10b410534e22e0d177598bc32ff424294292fcad920f3bc5be23db4a881d84ca

    SHA512

    6de063797b8e2c56bd98f4f22c8bd30fbef854b0ff1fe824859f0679960e15a7af10f6343d62d958598c7cfbd63ca95fbb8d3bc033f768077b3bffdf1bf398be

  • C:\Windows\SysWOW64\1098\inf1098.dat

    Filesize

    6KB

    MD5

    989e6a562a7766698f39319a12672c05

    SHA1

    72907263cd1b4e63e5df39164c4bde762967852f

    SHA256

    e274c988d62e3836f51d928f984d3d6f18af7be33d8b4fe063857a9f5316e496

    SHA512

    72580199c68fe0be8737be149d2ce90fe01c3ea4b132260d9a740414f586128674b8ccb065e3c9a14c11bf69551f19d55e84cdc600e12794dfb7aa3537eb3cc3

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\482329.dll

    Filesize

    56KB

    MD5

    41262163ae2789dd86f00d9b337166a4

    SHA1

    6e25a4d134f2d565468f64da0f86c932da30ed6f

    SHA256

    7fecb4790c6e24e66354e4f0ccd64282e9d5ced1a232c8d59465bd71a876aae7

    SHA512

    362eed3296bd07252d52d7306f317d9805652b979038e43f6cd133d6c0204e8cec72615e0017c202e63722ff4aced3ef710d197c5dcdcf000e53978d4d51407f

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\KEYGEN-FFF.exe

    Filesize

    64KB

    MD5

    e98d618d4bc366d3ef905fef47e4a46e

    SHA1

    fdb194beedd3a298ded935e66b5f843266729df4

    SHA256

    05c680aeb6ec24d7ad9531adb7438d7b3ac32a2b5e4611149086ca6c4b2e5516

    SHA512

    e7e9c8e2445dab53a24750f60a6a13e185e14da6d93e5682bba4c829db79c4876c7ff21062f518d8930d3410a12241859bace3d9e61ab3b3a6e1ad88c81e9f83

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\KEYGEN-FFF.exe.dll

    Filesize

    204KB

    MD5

    3b74d715ee3707fd6844cc0c155ae204

    SHA1

    a915fb9a6fc132609a890264167eeb7563d3db25

    SHA256

    b1db5d81d9b61aa38bee19b179db3458b9e7120d63b13c328c5465ca93a44b1f

    SHA512

    ff124b1b9e3b5355cfcd1f218d7852994c06808bdfdf8200c9409a186bbbe1388615eb8b031b98461c3d1d244e6465f6205a15292f4b8665c27a15a6bc79b74b

  • \Users\Admin\AppData\Local\Temp\IXP000.TMP\KEYGEN-FFF.exe.dll.dll

    Filesize

    64KB

    MD5

    a310d6b12b85ec7450bb9a57f5d443c2

    SHA1

    ff6ba7b1f4704fa7d4595096d1d751cc0c09ee30

    SHA256

    af5f10d452d5fd31eb6f0ac24bb1b9833b0e27ae0265a7a69cfdd7d955cd343f

    SHA512

    2418c1953ca721df893dca4b2fc3fdb5a3073803672aab5c10fa74b9514bd3ca4d12e1df4a66dbdd5d7bd4d15c12b97fd413fa9b0469f9c76810e1276d6fcf70

  • memory/2220-57-0x0000000000BB0000-0x0000000000C17000-memory.dmp

    Filesize

    412KB

  • memory/2220-36-0x00000000004A0000-0x00000000004D5000-memory.dmp

    Filesize

    212KB

  • memory/2220-41-0x00000000004F0000-0x0000000000502000-memory.dmp

    Filesize

    72KB

  • memory/2220-55-0x0000000000BB0000-0x0000000000C17000-memory.dmp

    Filesize

    412KB

  • memory/2800-69-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-71-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-66-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-67-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-68-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-59-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-70-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-65-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-72-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-73-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-74-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-75-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-76-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-77-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-78-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB

  • memory/2800-79-0x0000000000400000-0x0000000000467000-memory.dmp

    Filesize

    412KB