Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 05:58

General

  • Target

    1909657ab06d1ef4c47699169483b9a1_JaffaCakes118.exe

  • Size

    498KB

  • MD5

    1909657ab06d1ef4c47699169483b9a1

  • SHA1

    17be1814f90a120f39fa12623bc9707998283a22

  • SHA256

    9acff49b24e47a3b2a2dbc084e9f95407a7e2aceafc98cb298392f32cb32c89d

  • SHA512

    d00ae9ce6cdd0d3988e7bef34396ce3bbda7675bce4851e3f9c5db2d2a6d0f0695e2748c29a52bc8ac6123c1b52a4f811ada365cb9071eb04320ae647820ee21

  • SSDEEP

    12288:3MhziMCBJJ/FBaESkGKdt5EO8lfCYI1PO3UcEX6Jp5:3MJiMkfdBaESkldzO4mIXKn

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 18 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 21 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1909657ab06d1ef4c47699169483b9a1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1909657ab06d1ef4c47699169483b9a1_JaffaCakes118.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Users\Admin\AppData\Local\Temp\1909657ab06d1ef4c47699169483b9a1_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\1909657ab06d1ef4c47699169483b9a1_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3612
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1240
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe"
          4⤵
          • 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:1468
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3808
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4136,i,1400471177590024469,587385956640537806,262144 --variations-seed-version --mojo-platform-channel-handle=4076 /prefetch:8
    1⤵
      PID:1668

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Abuse Elevation Control Mechanism

    1
    T1548

    Bypass User Account Control

    1
    T1548.002

    Impair Defenses

    1
    T1562

    Disable or Modify Tools

    1
    T1562.001

    Modify Registry

    3
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    3
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\cmsetac.dll
      Filesize

      33KB

      MD5

      562ff86a49c0fa6b9c0f9db2dda35bf3

      SHA1

      fda7969f4083584a70d88c3b77eee65aedcbd04e

      SHA256

      6c93ba445c632738db40735e46dd417de14b0af6d18478334e0f8342d6a0b978

      SHA512

      2336b459f46919430bab8d3a26ddacc159283bbe6a072c785e923d9f699ccb1cee7d911bd62d952e38bd1191dbf6f6276f27fa145a4f08091bb3a39838d0696e

    • C:\Windows\mstwain32.exe
      Filesize

      498KB

      MD5

      1909657ab06d1ef4c47699169483b9a1

      SHA1

      17be1814f90a120f39fa12623bc9707998283a22

      SHA256

      9acff49b24e47a3b2a2dbc084e9f95407a7e2aceafc98cb298392f32cb32c89d

      SHA512

      d00ae9ce6cdd0d3988e7bef34396ce3bbda7675bce4851e3f9c5db2d2a6d0f0695e2748c29a52bc8ac6123c1b52a4f811ada365cb9071eb04320ae647820ee21

    • C:\Windows\ntdtcstp.dll
      Filesize

      7KB

      MD5

      67587e25a971a141628d7f07bd40ffa0

      SHA1

      76fcd014539a3bb247cc0b761225f68bd6055f6b

      SHA256

      e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378

      SHA512

      6e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350

    • memory/1240-37-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-47-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-35-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-39-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-36-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-63-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-38-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-40-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-41-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-42-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-46-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-43-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1240-45-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/1468-69-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-81-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-102-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-99-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-96-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-93-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-90-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-87-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-84-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-67-0x00000000030F0000-0x00000000030FE000-memory.dmp
      Filesize

      56KB

    • memory/1468-78-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-75-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-72-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-70-0x0000000000600000-0x0000000000608000-memory.dmp
      Filesize

      32KB

    • memory/1468-71-0x00000000030F0000-0x00000000030FE000-memory.dmp
      Filesize

      56KB

    • memory/1468-52-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-54-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-53-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/1468-58-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/3012-2-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-1-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-7-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-3-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-0-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-8-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-18-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-4-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-6-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-5-0x00000000005BF000-0x00000000005DC000-memory.dmp
      Filesize

      116KB

    • memory/3012-9-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-12-0x0000000000400000-0x00000000005E0000-memory.dmp
      Filesize

      1.9MB

    • memory/3012-19-0x00000000005BF000-0x00000000005DC000-memory.dmp
      Filesize

      116KB

    • memory/3612-20-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/3612-16-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/3612-34-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/3612-15-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB

    • memory/3612-13-0x0000000000400000-0x0000000000451000-memory.dmp
      Filesize

      324KB