Analysis

  • max time kernel
    288s
  • max time network
    310s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 11:38

General

  • Target

    07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe

  • Size

    109KB

  • MD5

    6712a164800ea420ce5769d7627aae95

  • SHA1

    fae25cb260605e187672148d168264ebde55635a

  • SHA256

    07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47

  • SHA512

    66bf2733281c4ce00d029d0ff1612275a78f81cf476da645cf8eda13ec99809ef15513ab5759666eafac486468b2e1a20d7dd60132703425dcc65701d6132ce1

  • SSDEEP

    3072:c1+MJKrUnFYY5z1i0Nmbi5fJBNobRnmPQout:MIrPj0NmWtNob1QQoS

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\07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.exe
    "C:\Users\Admin\AppData\Local\Temp\07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47.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:3084
    • 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:4736

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\cmsetac.dll

    Filesize

    32KB

    MD5

    1984921b7ed98e9beeb7af3a9404a041

    SHA1

    18cae2ec924eef5819a4073217d13ebdee265bc0

    SHA256

    3d1f13bb993d76fbad731e9e04b5cb58ab3441ffb29b65013253faae01f44492

    SHA512

    01ec081a3c66cc01e844b3c39fc9758a82e114612e173c39dbc6e3c2c7b76f77e88954053f4bb1200b1012cdf1adffab2f540265dd43da2c853dc1156108d0a8

  • C:\Windows\cmsetac.dll

    Filesize

    32KB

    MD5

    1984921b7ed98e9beeb7af3a9404a041

    SHA1

    18cae2ec924eef5819a4073217d13ebdee265bc0

    SHA256

    3d1f13bb993d76fbad731e9e04b5cb58ab3441ffb29b65013253faae01f44492

    SHA512

    01ec081a3c66cc01e844b3c39fc9758a82e114612e173c39dbc6e3c2c7b76f77e88954053f4bb1200b1012cdf1adffab2f540265dd43da2c853dc1156108d0a8

  • C:\Windows\mstwain32.exe

    Filesize

    109KB

    MD5

    6712a164800ea420ce5769d7627aae95

    SHA1

    fae25cb260605e187672148d168264ebde55635a

    SHA256

    07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47

    SHA512

    66bf2733281c4ce00d029d0ff1612275a78f81cf476da645cf8eda13ec99809ef15513ab5759666eafac486468b2e1a20d7dd60132703425dcc65701d6132ce1

  • C:\Windows\mstwain32.exe

    Filesize

    109KB

    MD5

    6712a164800ea420ce5769d7627aae95

    SHA1

    fae25cb260605e187672148d168264ebde55635a

    SHA256

    07237375907929cdb1849034197e329a1a6856711db50a4e2d41a571a9531a47

    SHA512

    66bf2733281c4ce00d029d0ff1612275a78f81cf476da645cf8eda13ec99809ef15513ab5759666eafac486468b2e1a20d7dd60132703425dcc65701d6132ce1

  • 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/3084-132-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/3084-136-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4736-133-0x0000000000000000-mapping.dmp

  • memory/4736-137-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4736-140-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB

  • memory/4736-143-0x0000000003440000-0x000000000344E000-memory.dmp

    Filesize

    56KB