Analysis

  • max time kernel
    148s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 11:30

General

  • Target

    d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe

  • Size

    11.1MB

  • MD5

    ec51bee5512b29362377007f64cd3645

  • SHA1

    5880b8a3056ce2cfbd7018968532c82ddde016b1

  • SHA256

    d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6

  • SHA512

    699475cd0096128bff8894e7b16706e650a175f6955ed4ed6b7816725d39156184eca04678e7c47e497dd8355a5076dd9054bfb8bb72f95b3054f42d4ab31090

  • SSDEEP

    196608:T99WtyRc7YptEbWnSTLEpyQGl11r7kDXf1zhrAuyPD4y0/1Eg:h9WtyR89bus8yQa1r7mXfthA0ybg

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Fatal Rat payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 26 IoCs

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

  • VMProtect packed file 5 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 35 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe
    "C:\Users\Admin\AppData\Local\Temp\d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\Users\Admin\AppData\Local\Temp\sevchost.exe
      C:\Users\Admin\AppData\Local\Temp\\sevchost.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3760
    • C:\Users\Admin\Documents\sevchost.exe
      C:\Users\Admin\Documents\\sevchost.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Users\Admin\AppData\Local\sevchost.exe
        "C:\Users\Admin\AppData\Local\sevchost.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:6276
  • 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=3808,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:8
    1⤵
      PID:60

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\sevchost.exe

      Filesize

      908KB

      MD5

      8390ee2fd97cde38668ab3cf59efa7eb

      SHA1

      596911c48f40c00e494abc04f603f2a3244b25e7

      SHA256

      5bbab49b432fc0fb0e4874116b896e4aaae495bb35bad16424e2ac7c67ba1159

      SHA512

      5c4cd607203f9028b3bc1b0c69dd8e2dc4e52c989fb5a764f6d43364bd055644a1c19b106d8bb207d76b2dd287e9564df63cd9ea0d29c4f9ea51d96dfa3df1c8

    • C:\Users\Admin\Documents\CCStudio\HpSocket4C.dll

      Filesize

      2.8MB

      MD5

      4bc970a97300b1a725d44bba23d8697a

      SHA1

      6f1eb181153692814e038e2f851d0734646f78f8

      SHA256

      c9d8fb5311ae6018dc1ca72774cb7efeba5c115c827a5cfb795b3580499e323d

      SHA512

      03968ca876b7e584de0a1418cca1dd2036fd0b4744f86d69aee5691a42061e284f8d9577293ef3f656be332f7da5ca276f85c6393bd6d8eb7de181baec0285f8

    • memory/212-29504-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/212-16406-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/212-16407-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/212-9221-0x00000000762A0000-0x000000007631A000-memory.dmp

      Filesize

      488KB

    • memory/212-7212-0x0000000076DF0000-0x0000000076F90000-memory.dmp

      Filesize

      1.6MB

    • memory/212-3291-0x0000000075D00000-0x0000000075F15000-memory.dmp

      Filesize

      2.1MB

    • memory/2764-7203-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7191-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-13-0x0000000000400000-0x0000000001E64000-memory.dmp

      Filesize

      26.4MB

    • memory/2764-11-0x0000000000400000-0x0000000001E64000-memory.dmp

      Filesize

      26.4MB

    • memory/2764-19-0x00000000061A0000-0x00000000061C6000-memory.dmp

      Filesize

      152KB

    • memory/2764-5-0x0000000002490000-0x0000000002491000-memory.dmp

      Filesize

      4KB

    • memory/2764-29505-0x0000000000400000-0x0000000001E64000-memory.dmp

      Filesize

      26.4MB

    • memory/2764-26-0x0000000000400000-0x0000000001E64000-memory.dmp

      Filesize

      26.4MB

    • memory/2764-0-0x0000000002420000-0x0000000002421000-memory.dmp

      Filesize

      4KB

    • memory/2764-6-0x00000000024A0000-0x00000000024A1000-memory.dmp

      Filesize

      4KB

    • memory/2764-7197-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7-0x00000000024B0000-0x00000000024B1000-memory.dmp

      Filesize

      4KB

    • memory/2764-7211-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7209-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7207-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7205-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-1-0x0000000002440000-0x0000000002441000-memory.dmp

      Filesize

      4KB

    • memory/2764-7201-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7199-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7195-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7193-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-12-0x0000000000400000-0x0000000001E64000-memory.dmp

      Filesize

      26.4MB

    • memory/2764-7189-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7187-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7185-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7183-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7181-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7179-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7177-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7175-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7173-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7171-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7170-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7169-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7168-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-7166-0x0000000006400000-0x000000000643E000-memory.dmp

      Filesize

      248KB

    • memory/2764-2-0x0000000002450000-0x0000000002451000-memory.dmp

      Filesize

      4KB

    • memory/2764-3-0x0000000002480000-0x0000000002481000-memory.dmp

      Filesize

      4KB

    • memory/2764-4-0x0000000000D97000-0x0000000001341000-memory.dmp

      Filesize

      5.7MB

    • memory/3760-27-0x0000000075D00000-0x0000000075F15000-memory.dmp

      Filesize

      2.1MB

    • memory/3760-25-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/3760-29513-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB

    • memory/6276-29515-0x0000000000400000-0x00000000004F8000-memory.dmp

      Filesize

      992KB