Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 17:07

General

  • Target

    c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe

  • Size

    119KB

  • MD5

    c8a9268f10ec2cae5b78afef1795347c

  • SHA1

    2844bc549b48e477100cd7ab846fb7acaea96df6

  • SHA256

    d8a8f33d824fdc8f911e62f294e8fef8efdfe22330a77336f2d93b02f0944106

  • SHA512

    cf1c1d996d61fe74892a80aafd38b5f6aafe6382ebe72a6193c86d1ded6d2be0738f4f96da3bf0411a23ceb5f8d93e02dc4b0bb6ed8aa95002d1c016f973de75

  • SSDEEP

    3072:ioy8j7VnNdrPHaSekwi+mWD5CjuYCZAoutI:y8jZ7rvaU3+mWDwumoSI

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modiloader family
  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • UPX packed file 18 IoCs

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

  • Drops file in Windows directory 4 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.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c8a9268f10ec2cae5b78afef1795347c_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:4992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    33KB

    MD5

    e9fed334b83e7e5eb4a88b44d9ba9aa6

    SHA1

    86d03d9202011ee610a44905dfecc6e0a078ffcb

    SHA256

    3a9b1e8a87082782c710efc185e8a1827763f4d2770c0369b5348f96feaf52b7

    SHA512

    208a9f0625325f0717bfb5b6ebaabd4094b45d8ae2198a9681ae8163e1c0a4a6b7fdcf9e8fa8c54bb27aab736e23f1680fffb8bd39cdde6cec0b2a849d879c2a

  • C:\Windows\mstwain32.exe

    Filesize

    119KB

    MD5

    c8a9268f10ec2cae5b78afef1795347c

    SHA1

    2844bc549b48e477100cd7ab846fb7acaea96df6

    SHA256

    d8a8f33d824fdc8f911e62f294e8fef8efdfe22330a77336f2d93b02f0944106

    SHA512

    cf1c1d996d61fe74892a80aafd38b5f6aafe6382ebe72a6193c86d1ded6d2be0738f4f96da3bf0411a23ceb5f8d93e02dc4b0bb6ed8aa95002d1c016f973de75

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/1208-1-0x00000000008F0000-0x00000000008F1000-memory.dmp

    Filesize

    4KB

  • memory/1208-11-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/1208-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-29-0x0000000000650000-0x0000000000658000-memory.dmp

    Filesize

    32KB

  • memory/4992-37-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-26-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

    Filesize

    4KB

  • memory/4992-27-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-28-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-30-0x00000000030F0000-0x00000000030FE000-memory.dmp

    Filesize

    56KB

  • memory/4992-19-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/4992-31-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-34-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-23-0x00000000030F0000-0x00000000030FE000-memory.dmp

    Filesize

    56KB

  • memory/4992-40-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-43-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-46-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-49-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-52-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-55-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-58-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-61-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-64-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

  • memory/4992-67-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB