Analysis

  • max time kernel
    251s
  • max time network
    297s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 17:03

General

  • Target

    62f4505fcc2dc496eee01cfd8b092d4f66b4d107a6d52e887907647cc177c1f8.exe

  • Size

    134KB

  • MD5

    5d8b2924913d123783f8c9836a502894

  • SHA1

    0701c16319677842d7c1a63efd0fce1a6e9f023b

  • SHA256

    62f4505fcc2dc496eee01cfd8b092d4f66b4d107a6d52e887907647cc177c1f8

  • SHA512

    8c5ed264db9a3042d7a09f64fba92df4949a5e77c005f95158624c63c6eddcc03fc9c770af1290f40781caee63c6703f6638123272b63ec263bdd4fadeac5e9b

  • SSDEEP

    3072:Dxaw7lEvFCsE8uKqMJBrHnsAWNqubkdBytQlaVrAUdB1/:TlFstuKqMJ9Hn5WNqub/tpV841

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 21 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\62f4505fcc2dc496eee01cfd8b092d4f66b4d107a6d52e887907647cc177c1f8.exe
    "C:\Users\Admin\AppData\Local\Temp\62f4505fcc2dc496eee01cfd8b092d4f66b4d107a6d52e887907647cc177c1f8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Users\Admin\AppData\Local\Temp\62f4505fcc2dc496eee01cfd8b092d4f66b4d107a6d52e887907647cc177c1f8.exe
      "C:\Users\Admin\AppData\Local\Temp\62f4505fcc2dc496eee01cfd8b092d4f66b4d107a6d52e887907647cc177c1f8.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3244
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ERHVR.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:656
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Ineter Mc" /t REG_SZ /d "C:\Windows\trys.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1664
      • C:\Windows\trys.exe
        "C:\Windows\trys.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1320
        • C:\Windows\trys.exe
          "C:\Windows\trys.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4532
        • C:\Windows\trys.exe
          "C:\Windows\trys.exe"
          4⤵
          • Executes dropped EXE
          PID:3516

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ERHVR.bat

    Filesize

    115B

    MD5

    721f40b829b989f3ed90feba41b75b51

    SHA1

    0bc3e723b65a94c6ffbb8e0b32c9aaa24d10fefd

    SHA256

    641cbc8ccc1d7ffe1030ff40ea930cad57a855c5fa275bff57745b62d4545a15

    SHA512

    d11fa35712baa83380b1515242d85c1ce84ade1bd3e62144906b40c6e2d42c748d7813faaf05e5514048be3ae47fb29986e0a808c93eabf7128f31300c4d972f

  • C:\Windows\trys.exe

    Filesize

    134KB

    MD5

    60ba68e1f78a8359cf23155bf5ebc95e

    SHA1

    2c381cf92b1d7ecdfab3d2e1f721f292d3561e1a

    SHA256

    adedccc90e0517226378302362daa3f7252ee29ab5b66e247688f3ccddea103e

    SHA512

    3a06bfcc0160c6c533734aad6a399319e277a2c224779f36622aba398d156adb9f4bd2b962e26964a88d61f51916297eeaf677492d65cdea4c9d53f418e6280c

  • C:\Windows\trys.exe

    Filesize

    134KB

    MD5

    60ba68e1f78a8359cf23155bf5ebc95e

    SHA1

    2c381cf92b1d7ecdfab3d2e1f721f292d3561e1a

    SHA256

    adedccc90e0517226378302362daa3f7252ee29ab5b66e247688f3ccddea103e

    SHA512

    3a06bfcc0160c6c533734aad6a399319e277a2c224779f36622aba398d156adb9f4bd2b962e26964a88d61f51916297eeaf677492d65cdea4c9d53f418e6280c

  • C:\Windows\trys.exe

    Filesize

    134KB

    MD5

    60ba68e1f78a8359cf23155bf5ebc95e

    SHA1

    2c381cf92b1d7ecdfab3d2e1f721f292d3561e1a

    SHA256

    adedccc90e0517226378302362daa3f7252ee29ab5b66e247688f3ccddea103e

    SHA512

    3a06bfcc0160c6c533734aad6a399319e277a2c224779f36622aba398d156adb9f4bd2b962e26964a88d61f51916297eeaf677492d65cdea4c9d53f418e6280c

  • C:\Windows\trys.exe

    Filesize

    134KB

    MD5

    60ba68e1f78a8359cf23155bf5ebc95e

    SHA1

    2c381cf92b1d7ecdfab3d2e1f721f292d3561e1a

    SHA256

    adedccc90e0517226378302362daa3f7252ee29ab5b66e247688f3ccddea103e

    SHA512

    3a06bfcc0160c6c533734aad6a399319e277a2c224779f36622aba398d156adb9f4bd2b962e26964a88d61f51916297eeaf677492d65cdea4c9d53f418e6280c

  • memory/656-144-0x0000000000000000-mapping.dmp

  • memory/1320-153-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1320-166-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1320-148-0x0000000000000000-mapping.dmp

  • memory/1664-147-0x0000000000000000-mapping.dmp

  • memory/2704-139-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/2704-134-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/3244-145-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3244-140-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3244-138-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3244-171-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3244-136-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3244-143-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3244-135-0x0000000000000000-mapping.dmp

  • memory/3516-158-0x0000000000000000-mapping.dmp

  • memory/3516-160-0x0000000013140000-0x0000000013162000-memory.dmp

    Filesize

    136KB

  • memory/3516-168-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/3516-170-0x0000000013140000-0x0000000013162000-memory.dmp

    Filesize

    136KB

  • memory/3516-172-0x0000000013140000-0x0000000013162000-memory.dmp

    Filesize

    136KB

  • memory/3516-173-0x0000000013140000-0x0000000013162000-memory.dmp

    Filesize

    136KB

  • memory/4532-167-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4532-169-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4532-154-0x0000000000000000-mapping.dmp