Analysis

  • max time kernel
    150s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:32

General

  • Target

    d53f3ee8614418e03dc56d5d294291a6da42fda8da977c81bbd11d8bac05bd93.exe

  • Size

    208KB

  • MD5

    072cd478058398abe5812b9500040320

  • SHA1

    d5ffcdf0fa27a055f962f84de44eafca47842d93

  • SHA256

    d53f3ee8614418e03dc56d5d294291a6da42fda8da977c81bbd11d8bac05bd93

  • SHA512

    41da5dd3825f505d230c757d723a8c1313015856e93970deadc3367a162c7c3bfd4981ae19f42fab16abb12d4e051405dde58f77b937eeedecdcf7a0844352cd

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 15 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d53f3ee8614418e03dc56d5d294291a6da42fda8da977c81bbd11d8bac05bd93.exe
    "C:\Users\Admin\AppData\Local\Temp\d53f3ee8614418e03dc56d5d294291a6da42fda8da977c81bbd11d8bac05bd93.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\d53f3ee8614418e03dc56d5d294291a6da42fda8da977c81bbd11d8bac05bd93.exe
      "C:\Users\Admin\AppData\Local\Temp\d53f3ee8614418e03dc56d5d294291a6da42fda8da977c81bbd11d8bac05bd93.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\REBQY.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:520
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svhust" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1428
      • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
        "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1884
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1724
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          PID:1268

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\REBQY.bat
    Filesize

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    3afa5f762b51eea805ac13cd2f3484b8

    SHA1

    3be7ab555ffdb4e6cb981805aef24c92ec5d1de0

    SHA256

    fba4d317f429cfb0ef1917ecaf1323ffa3b5d1bc49a80a9e4a5df1c3645675dd

    SHA512

    2d36482a0c1e3c673893871e9a680ebe2e7f87d6686a1792504e6b7ee0631ce9baf294b9795c95e315603cba62346e90a8dee7acae540500cbc9b714c71c8b80

  • memory/520-71-0x0000000000000000-mapping.dmp
  • memory/936-70-0x00000000753F1000-0x00000000753F3000-memory.dmp
    Filesize

    8KB

  • memory/936-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/936-107-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/936-69-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/936-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/936-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/936-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/936-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/936-63-0x00000000004085D0-mapping.dmp
  • memory/936-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1268-105-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1268-101-0x0000000000476940-mapping.dmp
  • memory/1268-113-0x0000000074411000-0x0000000074413000-memory.dmp
    Filesize

    8KB

  • memory/1268-109-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1268-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1268-98-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1268-100-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1268-92-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1268-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/1428-73-0x0000000000000000-mapping.dmp
  • memory/1724-90-0x00000000004085D0-mapping.dmp
  • memory/1724-110-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1724-112-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1884-78-0x0000000000000000-mapping.dmp
  • memory/1884-82-0x00000000002AD000-0x00000000002C2000-memory.dmp
    Filesize

    84KB

  • memory/2028-56-0x000000000064D000-0x0000000000663000-memory.dmp
    Filesize

    88KB