Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17-06-2024 01:25

General

  • Target

    b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe

  • Size

    862KB

  • MD5

    b62a90a0454869e68a2c1c3fe2080ad9

  • SHA1

    97534b852f846ddb070696e4e11248c2c476e021

  • SHA256

    2fb2d7031d59796445de4449c87d175b575b318e9ad3374aa2178c2d18e8aba7

  • SHA512

    62daba261ef5c40b754b7cd90dd59fe0e9cdccca864ce5e29200f35989862403367a8e5490469168003c3548a9e0e568c9373751188a30361889bbebd03505fc

  • SSDEEP

    24576:0Nil7ZGQKaFzjfZ1nG5qpqZMGmzjZnjJIexOLGiTNkdBAnhxQb:0GsQKa9fZhqUqZMGmzjZnjJIexOLGik3

Score
9/10

Malware Config

Signatures

  • Nirsoft 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 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.

  • Drops file in Windows directory 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b62a90a0454869e68a2c1c3fe2080ad9_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\fje253ioIOoihgw6_5HG6.exe
      C:\Users\Admin\AppData\Local\Temp\fje253ioIOoihgw6_5HG6.exe /scookiestxt C:\Users\Admin\AppData\Local\Temp\2UI9osighGfjaH_ASgfuire5.txt
      2⤵
      • Executes dropped EXE
      PID:1400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\2UI9osighGfjaH_ASgfuire5.txt

    Filesize

    31B

    MD5

    b7161c0845a64ff6d7345b67ff97f3b0

    SHA1

    d223f855da541fe8e4c1d5c50cb26da0a1deb5fc

    SHA256

    fe9e28ff0b652e22a124b0a05382bc1ac48cbd9c7c76ca647b0c9f8542888f66

    SHA512

    98d8971ff20ba256cf886a9db416ac9366d2c6ad4ff51a65bd7e539974dc93f4c897f92d8c9c0319c69b27eacf05cd350a0302828e63190b03457a0eda57f680

  • C:\Users\Admin\AppData\Local\Temp\Tar33F3.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\fje253ioIOoihgw6_5HG6.exe

    Filesize

    184KB

    MD5

    7fee8223d6e4f82d6cd115a28f0b6d58

    SHA1

    1b89c25f25253df23426bd9ff6c9208f1202f58b

    SHA256

    a45317c374d54e322153afd73f0e90f1486638d77b7fd85746d091071bbecd59

    SHA512

    3ed900b83dd178637c2fd4e8444a899f17f12c4ec92a6f4de4fe544fe8d41b521c69b8f348343cb397d0e160f23e27429042d758b5fa5acac0bab5c3584bace4

  • memory/1400-10-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2420-11-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB