Analysis

  • max time kernel
    11s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2023, 13:11

General

  • Target

    b38868eff8933d60043ed58d0994deb049795436.exe

  • Size

    953KB

  • MD5

    095483794408fd8f2479ace6c73cabe7

  • SHA1

    b38868eff8933d60043ed58d0994deb049795436

  • SHA256

    2a6cf187bcb946e0c4834517ce0b969cbd75aa413cd5925f550984b9e660b866

  • SHA512

    10bfacba10953e6e73a77982e1525c8f1ddec4bc1de05f9947dff1cfb13811f6c52b3eb4013098403871994fcfe6a5adfb210d00451feb9c32c27e4f4a9827c6

  • SSDEEP

    24576:/Y9UJRSwF02rg71YIWmZ20/5obbJ1SnVQtJ:AvQM7+3E2J1SnVa

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b38868eff8933d60043ed58d0994deb049795436.exe
    "C:\Users\Admin\AppData\Local\Temp\b38868eff8933d60043ed58d0994deb049795436.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Users\Admin\AppData\Local\Temp\mchplkp.exe
      "C:\Users\Admin\AppData\Local\Temp\mchplkp.exe" C:\Users\Admin\AppData\Local\Temp\bidkqvfr.t
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Users\Admin\AppData\Local\Temp\mchplkp.exe
        "C:\Users\Admin\AppData\Local\Temp\mchplkp.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1492

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\bidkqvfr.t

          Filesize

          6KB

          MD5

          f4aa363354de10e22e628f548cf10c15

          SHA1

          fed82229f06fd39dcf1065bf3cfbb518fbd6aca3

          SHA256

          2956c5655e87bf6a6f77b60a53b67bb675f9bf302fae371e9d0d5cf2ca191314

          SHA512

          ed30cd133043d68ed8613d9aa49eb4fe796af737146217c79c64a5f83ccacfc99cd1035f10bafcbfe345e22e8e2f48c276876976b3630d875e2ff4241384f1cd

        • C:\Users\Admin\AppData\Local\Temp\lajlxzazyjb.s

          Filesize

          916KB

          MD5

          ee6f754c87a08094a6d6a4f46d8064db

          SHA1

          9c9b4f21fb125cb35110ea80b8964c01c483705b

          SHA256

          722e4c13c436218aee744c9b23665a94950e8dbd89f49fc217a6397ef55b755e

          SHA512

          1961705e55e5c8d9157dc4779fd6535217ed6224e275bb865e70b8ab7936048c053bba0cd6368578ffa8d7a62f22daa4b02d51faae2b69eba51c425f6bd070d2

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

          Filesize

          75KB

          MD5

          37404f76bea4adb9c0f866cfec35dd1a

          SHA1

          fd0182d965bf55728083193de492878334f5974e

          SHA256

          340bdb03aabbd1cfb7dcb6f9bd631f50a3b46cc42879aa5631b72b542d975dc0

          SHA512

          e00a4fd77dfe0c680263529db69e10aee04fbc605c435b3b644c199edd3bd645047bc09dfbe8fa7b81b65e9f390ea6ad39e80f4b1a1c3c0e966b419bc43b66c7

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

          Filesize

          75KB

          MD5

          37404f76bea4adb9c0f866cfec35dd1a

          SHA1

          fd0182d965bf55728083193de492878334f5974e

          SHA256

          340bdb03aabbd1cfb7dcb6f9bd631f50a3b46cc42879aa5631b72b542d975dc0

          SHA512

          e00a4fd77dfe0c680263529db69e10aee04fbc605c435b3b644c199edd3bd645047bc09dfbe8fa7b81b65e9f390ea6ad39e80f4b1a1c3c0e966b419bc43b66c7

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

          Filesize

          75KB

          MD5

          37404f76bea4adb9c0f866cfec35dd1a

          SHA1

          fd0182d965bf55728083193de492878334f5974e

          SHA256

          340bdb03aabbd1cfb7dcb6f9bd631f50a3b46cc42879aa5631b72b542d975dc0

          SHA512

          e00a4fd77dfe0c680263529db69e10aee04fbc605c435b3b644c199edd3bd645047bc09dfbe8fa7b81b65e9f390ea6ad39e80f4b1a1c3c0e966b419bc43b66c7

        • \Users\Admin\AppData\Local\Temp\mchplkp.exe

          Filesize

          75KB

          MD5

          37404f76bea4adb9c0f866cfec35dd1a

          SHA1

          fd0182d965bf55728083193de492878334f5974e

          SHA256

          340bdb03aabbd1cfb7dcb6f9bd631f50a3b46cc42879aa5631b72b542d975dc0

          SHA512

          e00a4fd77dfe0c680263529db69e10aee04fbc605c435b3b644c199edd3bd645047bc09dfbe8fa7b81b65e9f390ea6ad39e80f4b1a1c3c0e966b419bc43b66c7

        • \Users\Admin\AppData\Local\Temp\mchplkp.exe

          Filesize

          75KB

          MD5

          37404f76bea4adb9c0f866cfec35dd1a

          SHA1

          fd0182d965bf55728083193de492878334f5974e

          SHA256

          340bdb03aabbd1cfb7dcb6f9bd631f50a3b46cc42879aa5631b72b542d975dc0

          SHA512

          e00a4fd77dfe0c680263529db69e10aee04fbc605c435b3b644c199edd3bd645047bc09dfbe8fa7b81b65e9f390ea6ad39e80f4b1a1c3c0e966b419bc43b66c7

        • \Users\Admin\AppData\Local\Temp\mchplkp.exe

          Filesize

          75KB

          MD5

          37404f76bea4adb9c0f866cfec35dd1a

          SHA1

          fd0182d965bf55728083193de492878334f5974e

          SHA256

          340bdb03aabbd1cfb7dcb6f9bd631f50a3b46cc42879aa5631b72b542d975dc0

          SHA512

          e00a4fd77dfe0c680263529db69e10aee04fbc605c435b3b644c199edd3bd645047bc09dfbe8fa7b81b65e9f390ea6ad39e80f4b1a1c3c0e966b419bc43b66c7

        • memory/1492-67-0x0000000004600000-0x00000000046D2000-memory.dmp

          Filesize

          840KB

        • memory/1492-68-0x0000000000400000-0x00000000004E4000-memory.dmp

          Filesize

          912KB

        • memory/1492-69-0x0000000000400000-0x00000000004E4000-memory.dmp

          Filesize

          912KB

        • memory/2040-54-0x00000000767B1000-0x00000000767B3000-memory.dmp

          Filesize

          8KB