Analysis

  • max time kernel
    140s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 18:58

General

  • Target

    d2a03d36e475d3f29acc6ebbf0dea681_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    d2a03d36e475d3f29acc6ebbf0dea681

  • SHA1

    c5323feb939c8e091936657d85e5037fe7fff9c9

  • SHA256

    c44235ae776337bdafbcfad3dd1a18980d8196ffd0d83b47c449add450c31306

  • SHA512

    990476b10565d7b9429f3e9c485e49883df3addd2c1dd92b0640d63375c7e289e8af741bf4ce7c119272a5b512fbd618210fd243fea5824d4114a5974dbefb8b

  • SSDEEP

    98304:gXNvomMQgWv3OWFqw0CFChs6qCTbzeumUvrDsTLyYDH/tN7A:aNdFv3b/X0i6qCTfVmUHoz/tNA

Malware Config

Signatures

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 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.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d2a03d36e475d3f29acc6ebbf0dea681_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d2a03d36e475d3f29acc6ebbf0dea681_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2364

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabF134.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarF166.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\d2a03d36e475d3f29acc6ebbf0dea681_JaffaCakes118.exe

    Filesize

    3.9MB

    MD5

    d2a03d36e475d3f29acc6ebbf0dea681

    SHA1

    c5323feb939c8e091936657d85e5037fe7fff9c9

    SHA256

    c44235ae776337bdafbcfad3dd1a18980d8196ffd0d83b47c449add450c31306

    SHA512

    990476b10565d7b9429f3e9c485e49883df3addd2c1dd92b0640d63375c7e289e8af741bf4ce7c119272a5b512fbd618210fd243fea5824d4114a5974dbefb8b

  • memory/2364-0-0x0000000000370000-0x0000000000CF6000-memory.dmp

    Filesize

    9.5MB

  • memory/2364-4-0x000007FEFD840000-0x000007FEFD8AC000-memory.dmp

    Filesize

    432KB

  • memory/2364-3-0x000007FEFD853000-0x000007FEFD854000-memory.dmp

    Filesize

    4KB

  • memory/2364-5-0x000007FEFD840000-0x000007FEFD8AC000-memory.dmp

    Filesize

    432KB

  • memory/2364-6-0x0000000000370000-0x0000000000CF6000-memory.dmp

    Filesize

    9.5MB

  • memory/2364-7-0x0000000000370000-0x0000000000CF6000-memory.dmp

    Filesize

    9.5MB

  • memory/2364-8-0x000007FEFD840000-0x000007FEFD8AC000-memory.dmp

    Filesize

    432KB

  • memory/2364-9-0x0000000000370000-0x0000000000CF6000-memory.dmp

    Filesize

    9.5MB