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Analysis

  • max time kernel
    153s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2022, 09:46

General

  • Target

    cd5fe84df2f724ba4ff5e167f46e4924ee47aab48a2945c9476623f3157aecb4.exe

  • Size

    110KB

  • MD5

    72c9ef6268a40b8d685c8f2a2c9a973d

  • SHA1

    2f6cc5b20e2438fdceda6724295d32d5d6fa3ebf

  • SHA256

    cd5fe84df2f724ba4ff5e167f46e4924ee47aab48a2945c9476623f3157aecb4

  • SHA512

    f41153c59c6c530bc787201546b0021c433e5ceb4d1dd30dd1af8d2cfc20fda81ee80d070d4f98f4e4475fdb9ca2587102ca70755be45fed052999a0c79ea3d4

  • SSDEEP

    3072:X1+MJKrUnFYY5z1i0Nmbi5fJBN6ZI1ty+eBout:dIrPj0NmWtNKIEBoS

Malware Config

Signatures

  • ModiLoader, DBatLoader

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

  • UAC bypass 3 TTPs 1 IoCs
  • ModiLoader Second Stage 3 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 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\cd5fe84df2f724ba4ff5e167f46e4924ee47aab48a2945c9476623f3157aecb4.exe
    "C:\Users\Admin\AppData\Local\Temp\cd5fe84df2f724ba4ff5e167f46e4924ee47aab48a2945c9476623f3157aecb4.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2180
    • 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
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:3564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    32KB

    MD5

    e4da9969514175d98bb1aa1ee5a65f56

    SHA1

    5e3ecf7c3626b157176c67c099d01d3ba67c0938

    SHA256

    4e2d43ebb822a47631ff145d847a3961528701454c4fb46abf28313d54f9475a

    SHA512

    f86956d45f1a7782fc99b7a265be97443d91ac2ac21209e512d3d582689a85302a4037f67edc886bf8a285ca74c494d22ae901bcfa98bde2d6546e10de86f622

  • C:\Windows\cmsetac.dll

    Filesize

    32KB

    MD5

    e4da9969514175d98bb1aa1ee5a65f56

    SHA1

    5e3ecf7c3626b157176c67c099d01d3ba67c0938

    SHA256

    4e2d43ebb822a47631ff145d847a3961528701454c4fb46abf28313d54f9475a

    SHA512

    f86956d45f1a7782fc99b7a265be97443d91ac2ac21209e512d3d582689a85302a4037f67edc886bf8a285ca74c494d22ae901bcfa98bde2d6546e10de86f622

  • C:\Windows\mstwain32.exe

    Filesize

    110KB

    MD5

    72c9ef6268a40b8d685c8f2a2c9a973d

    SHA1

    2f6cc5b20e2438fdceda6724295d32d5d6fa3ebf

    SHA256

    cd5fe84df2f724ba4ff5e167f46e4924ee47aab48a2945c9476623f3157aecb4

    SHA512

    f41153c59c6c530bc787201546b0021c433e5ceb4d1dd30dd1af8d2cfc20fda81ee80d070d4f98f4e4475fdb9ca2587102ca70755be45fed052999a0c79ea3d4

  • C:\Windows\mstwain32.exe

    Filesize

    110KB

    MD5

    72c9ef6268a40b8d685c8f2a2c9a973d

    SHA1

    2f6cc5b20e2438fdceda6724295d32d5d6fa3ebf

    SHA256

    cd5fe84df2f724ba4ff5e167f46e4924ee47aab48a2945c9476623f3157aecb4

    SHA512

    f41153c59c6c530bc787201546b0021c433e5ceb4d1dd30dd1af8d2cfc20fda81ee80d070d4f98f4e4475fdb9ca2587102ca70755be45fed052999a0c79ea3d4

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • C:\Windows\ntdtcstp.dll

    Filesize

    7KB

    MD5

    67587e25a971a141628d7f07bd40ffa0

    SHA1

    76fcd014539a3bb247cc0b761225f68bd6055f6b

    SHA256

    e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

    SHA512

    6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

  • memory/2180-132-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2180-136-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/3564-141-0x0000000002180000-0x000000000218E000-memory.dmp

    Filesize

    56KB

  • memory/3564-142-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/3564-143-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB