Analysis

  • max time kernel
    149s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 20:11

General

  • Target

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b.exe

  • Size

    37KB

  • MD5

    6a9b56c8fd4c7770dfb41e5433c16172

  • SHA1

    7dea721577d883078f44992c379d76a64882f044

  • SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

  • SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

  • SSDEEP

    768:8Fm6exx/Dx9WyctstBseLEDR0To3YZ0ed06vxqaHraKeM:N6KlD+y60B9LEDR06YWeRxqal

Malware Config

Signatures

  • UAC bypass 3 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Drops startup file 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks whether UAC is enabled 1 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 61 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b.exe
    "C:\Users\Admin\AppData\Local\Temp\a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b.exe"
    1⤵
    • UAC bypass
    • Loads dropped DLL
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\Trojan.exe
      "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:2008
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1096
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\SysWOW64\wscript.exe" "wscript.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:1348
      • C:\Windows\SysWOW64\wscript.exe
        "C:\Windows\SysWOW64\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Trojan.vbe"
        3⤵
        • Drops startup file
        • Loads dropped DLL
        • Adds Run key to start application
        PID:1880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    6a9b56c8fd4c7770dfb41e5433c16172

    SHA1

    7dea721577d883078f44992c379d76a64882f044

    SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

    SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

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

    Filesize

    37KB

    MD5

    6a9b56c8fd4c7770dfb41e5433c16172

    SHA1

    7dea721577d883078f44992c379d76a64882f044

    SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

    SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

  • C:\Users\Admin\AppData\Local\Temp\Trojan.vbe

    Filesize

    54B

    MD5

    fd41c177aabd698ae4a50f161e329d26

    SHA1

    117422a4b7a4022a14bc5d07ea0a5b1ae7a10ebc

    SHA256

    1a5de68db22379417c286d7af5b983f2c77c6889e127714fa78d1994c706b5b1

    SHA512

    0fbf0ec3354b781e7ba5898569bd269f9c8bc5aed436f869742ae428e8209bce1d2f299948d0edd190321935a4080ffe61ed7e9dfa646cf09f763eb7325101bd

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe

    Filesize

    37KB

    MD5

    6a9b56c8fd4c7770dfb41e5433c16172

    SHA1

    7dea721577d883078f44992c379d76a64882f044

    SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

    SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

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

    Filesize

    37KB

    MD5

    6a9b56c8fd4c7770dfb41e5433c16172

    SHA1

    7dea721577d883078f44992c379d76a64882f044

    SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

    SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

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

    Filesize

    37KB

    MD5

    6a9b56c8fd4c7770dfb41e5433c16172

    SHA1

    7dea721577d883078f44992c379d76a64882f044

    SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

    SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

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

    Filesize

    37KB

    MD5

    6a9b56c8fd4c7770dfb41e5433c16172

    SHA1

    7dea721577d883078f44992c379d76a64882f044

    SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

    SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

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

    Filesize

    37KB

    MD5

    6a9b56c8fd4c7770dfb41e5433c16172

    SHA1

    7dea721577d883078f44992c379d76a64882f044

    SHA256

    a4519155a5f2cfde6818259b47f4371fa62e17955e62dbbbf9b13051ac39d19b

    SHA512

    f488baf1cb7300486b5a2c27693bf4993ffcd8b7122a898f9ac4cd5bec3419f7b48d1613d21ae6a806293403ec51be1dd3eba6967279167d57fe298e82554322

  • memory/1640-63-0x0000000074110000-0x00000000746BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1640-54-0x0000000075811000-0x0000000075813000-memory.dmp

    Filesize

    8KB

  • memory/1880-72-0x0000000074110000-0x00000000746BB000-memory.dmp

    Filesize

    5.7MB

  • memory/1880-75-0x0000000074110000-0x00000000746BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2008-66-0x0000000074110000-0x00000000746BB000-memory.dmp

    Filesize

    5.7MB

  • memory/2008-73-0x0000000074110000-0x00000000746BB000-memory.dmp

    Filesize

    5.7MB