Analysis

  • max time kernel
    34s
  • max time network
    100s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 07:20

General

  • Target

    7e687287c4a8e06139fb17a4cccdfb24d8374e36c22eb186e7e5dd4897f264a5.exe

  • Size

    624KB

  • MD5

    cb09767cee4aa56c0b480170f2c04de4

  • SHA1

    b1503182f133ff4cb326abd1b99edfcbb1e600d4

  • SHA256

    7e687287c4a8e06139fb17a4cccdfb24d8374e36c22eb186e7e5dd4897f264a5

  • SHA512

    873a3b423715b3d06e909432c488ae3cac78c2dd12e50a177177c840d3e095c1de42af3b2d1019ecf55e0916a22de9884bb0923d1b3d8804b1227699ab764a8f

  • SSDEEP

    12288:rtPSUHqNTgJ8vGROyn1cPZuZxKRgIPvxu6fpUxW9BBGm+Dt:wUHqduQyn6x4egIZuye89BMm+Dt

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7e687287c4a8e06139fb17a4cccdfb24d8374e36c22eb186e7e5dd4897f264a5.exe
    "C:\Users\Admin\AppData\Local\Temp\7e687287c4a8e06139fb17a4cccdfb24d8374e36c22eb186e7e5dd4897f264a5.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\n481\s481.exe
      "C:\Users\Admin\AppData\Local\Temp\n481\s481.exe" 31bbad29a286653780570055AN/4p35kwV14hKrE12681XsSMLFLTAfmgorSnwANr6gegVoiM4xWdkk2tplTuL137jcXS3OHY2EAKjM8ZMjoEPukMPVdbGsqGEqZCEVowJrcVM+l/adTybm/AQ2O7ftg8/+b9fvAsFaNB8/vLnFJcFwasVxd0NYpTD15 /v "C:\Users\Admin\AppData\Local\Temp\7e687287c4a8e06139fb17a4cccdfb24d8374e36c22eb186e7e5dd4897f264a5.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1076

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\n481\s481.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • C:\Users\Admin\AppData\Local\Temp\n481\s481.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n481\s481.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n481\s481.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n481\s481.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • \Users\Admin\AppData\Local\Temp\n481\s481.exe

          Filesize

          350KB

          MD5

          60f9fa6a5debd2cd96317dabe147c68b

          SHA1

          8f82a7369b15d5b7f552db5e4e9a65b01c41e8d5

          SHA256

          005d00feddcafbd28a38166745b6a42b238614cf3973f82db4be702064856aae

          SHA512

          1124695d1da7cbc28ec3fe80f0b9a4384948f9a707c0ad250d1999f14171e501cabc70792fc8adb6cbfbcf1504634ee3520aec436992a5d46f6319d0418b6fd6

        • memory/1076-62-0x000007FEF2860000-0x000007FEF3283000-memory.dmp

          Filesize

          10.1MB

        • memory/1076-63-0x000007FEEE370000-0x000007FEEF406000-memory.dmp

          Filesize

          16.6MB

        • memory/1076-64-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

          Filesize

          124KB

        • memory/1076-65-0x000007FEED4E0000-0x000007FEEE36F000-memory.dmp

          Filesize

          14.6MB

        • memory/1076-67-0x0000000000AC6000-0x0000000000AE5000-memory.dmp

          Filesize

          124KB

        • memory/1572-54-0x0000000075891000-0x0000000075893000-memory.dmp

          Filesize

          8KB