Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    18-04-2021 03:36

General

  • Target

    2A1C375935C741C5C329A614389E75F7.exe

  • Size

    919KB

  • MD5

    2a1c375935c741c5c329a614389e75f7

  • SHA1

    6e4aa9a62dc23d23e176551d0d35baebd9fb73cb

  • SHA256

    53943895601cbc79561cb30c9957715400d82a255d97ce36fe1b383bf3c240da

  • SHA512

    355b17d541962cde36c357f16c0eae231e112bd2d77ae4fb8bb27f7d767b076e37e0762c8e7f6dcc8edf27f171659f2418db9625c9600bff3b0f1dace1bc3c54

Malware Config

Extracted

Family

orcus

C2

98.229.214.124:10134

Mutex

b1eacede88674ba6a69fac5ec304eeee

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    false

  • install_path

    %programfiles%\Dababy\Dababy.exe

  • reconnect_delay

    10000

  • registry_keyname

    lol

  • taskscheduler_taskname

    lol

  • watchdog_path

    Temp\lIlIlIlIlIlIlIlIlI.exe

Signatures

  • Orcus

    Orcus is a Remote Access Trojan that is being sold on underground forums.

  • Orcus Main Payload 4 IoCs
  • Orcurs Rat Executable 4 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2A1C375935C741C5C329A614389E75F7.exe
    "C:\Users\Admin\AppData\Local\Temp\2A1C375935C741C5C329A614389E75F7.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\SysWOW64\WindowsInput.exe
      "C:\Windows\SysWOW64\WindowsInput.exe" --install
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      PID:1064
    • C:\Program Files (x86)\Dababy\Dababy.exe
      "C:\Program Files (x86)\Dababy\Dababy.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1412
      • C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe
        "C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe" /launchSelfAndExit "C:\Program Files (x86)\Dababy\Dababy.exe" 1412 /protectFile
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:400
        • C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe
          "C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe" /watchProcess "C:\Program Files (x86)\Dababy\Dababy.exe" 1412 "/protectFile"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:832
  • C:\Windows\SysWOW64\WindowsInput.exe
    "C:\Windows\SysWOW64\WindowsInput.exe"
    1⤵
    • Executes dropped EXE
    PID:1724
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {97A07D7C-D5DF-471D-A81F-BE6E47163439} S-1-5-21-2455352368-1077083310-2879168483-1000:QWOCTUPM\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Program Files (x86)\Dababy\Dababy.exe
      "C:\Program Files (x86)\Dababy\Dababy.exe"
      2⤵
      • Executes dropped EXE
      PID:784

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\Dababy\Dababy.exe
    MD5

    2a1c375935c741c5c329a614389e75f7

    SHA1

    6e4aa9a62dc23d23e176551d0d35baebd9fb73cb

    SHA256

    53943895601cbc79561cb30c9957715400d82a255d97ce36fe1b383bf3c240da

    SHA512

    355b17d541962cde36c357f16c0eae231e112bd2d77ae4fb8bb27f7d767b076e37e0762c8e7f6dcc8edf27f171659f2418db9625c9600bff3b0f1dace1bc3c54

  • C:\Program Files (x86)\Dababy\Dababy.exe
    MD5

    2a1c375935c741c5c329a614389e75f7

    SHA1

    6e4aa9a62dc23d23e176551d0d35baebd9fb73cb

    SHA256

    53943895601cbc79561cb30c9957715400d82a255d97ce36fe1b383bf3c240da

    SHA512

    355b17d541962cde36c357f16c0eae231e112bd2d77ae4fb8bb27f7d767b076e37e0762c8e7f6dcc8edf27f171659f2418db9625c9600bff3b0f1dace1bc3c54

  • C:\Program Files (x86)\Dababy\Dababy.exe
    MD5

    2a1c375935c741c5c329a614389e75f7

    SHA1

    6e4aa9a62dc23d23e176551d0d35baebd9fb73cb

    SHA256

    53943895601cbc79561cb30c9957715400d82a255d97ce36fe1b383bf3c240da

    SHA512

    355b17d541962cde36c357f16c0eae231e112bd2d77ae4fb8bb27f7d767b076e37e0762c8e7f6dcc8edf27f171659f2418db9625c9600bff3b0f1dace1bc3c54

  • C:\Program Files (x86)\Dababy\Dababy.exe.config
    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe
    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe
    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe
    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • C:\Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe.config
    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • C:\Windows\SysWOW64\WindowsInput.exe
    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe
    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe
    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • C:\Windows\SysWOW64\WindowsInput.exe.config
    MD5

    a2b76cea3a59fa9af5ea21ff68139c98

    SHA1

    35d76475e6a54c168f536e30206578babff58274

    SHA256

    f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839

    SHA512

    b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

  • \Program Files (x86)\Dababy\Dababy.exe
    MD5

    2a1c375935c741c5c329a614389e75f7

    SHA1

    6e4aa9a62dc23d23e176551d0d35baebd9fb73cb

    SHA256

    53943895601cbc79561cb30c9957715400d82a255d97ce36fe1b383bf3c240da

    SHA512

    355b17d541962cde36c357f16c0eae231e112bd2d77ae4fb8bb27f7d767b076e37e0762c8e7f6dcc8edf27f171659f2418db9625c9600bff3b0f1dace1bc3c54

  • \Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe
    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • \Users\Admin\AppData\Local\Temp\lIlIlIlIlIlIlIlIlI.exe
    MD5

    913967b216326e36a08010fb70f9dba3

    SHA1

    7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf

    SHA256

    8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a

    SHA512

    c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

  • \Windows\SysWOW64\WindowsInput.exe
    MD5

    e6fcf516d8ed8d0d4427f86e08d0d435

    SHA1

    c7691731583ab7890086635cb7f3e4c22ca5e409

    SHA256

    8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337

    SHA512

    c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

  • memory/400-93-0x0000000000000000-mapping.dmp
  • memory/400-97-0x00000000000A0000-0x00000000000A1000-memory.dmp
    Filesize

    4KB

  • memory/784-105-0x0000000000000000-mapping.dmp
  • memory/784-111-0x0000000004930000-0x0000000004931000-memory.dmp
    Filesize

    4KB

  • memory/832-100-0x0000000000000000-mapping.dmp
  • memory/1064-73-0x000000001B1A0000-0x000000001B1A2000-memory.dmp
    Filesize

    8KB

  • memory/1064-66-0x0000000000000000-mapping.dmp
  • memory/1064-70-0x0000000000A20000-0x0000000000A21000-memory.dmp
    Filesize

    4KB

  • memory/1412-89-0x0000000000D50000-0x0000000000D65000-memory.dmp
    Filesize

    84KB

  • memory/1412-104-0x00000000011E5000-0x00000000011F6000-memory.dmp
    Filesize

    68KB

  • memory/1412-90-0x00000000011E0000-0x00000000011E1000-memory.dmp
    Filesize

    4KB

  • memory/1412-91-0x0000000000D00000-0x0000000000D0C000-memory.dmp
    Filesize

    48KB

  • memory/1412-88-0x0000000000AD0000-0x0000000000B18000-memory.dmp
    Filesize

    288KB

  • memory/1412-83-0x0000000001320000-0x0000000001321000-memory.dmp
    Filesize

    4KB

  • memory/1412-79-0x0000000000000000-mapping.dmp
  • memory/1724-77-0x0000000019A20000-0x0000000019A22000-memory.dmp
    Filesize

    8KB

  • memory/1724-75-0x0000000001130000-0x0000000001131000-memory.dmp
    Filesize

    4KB

  • memory/1848-64-0x0000000000930000-0x0000000000940000-memory.dmp
    Filesize

    64KB

  • memory/1848-62-0x0000000000AC0000-0x0000000000B1A000-memory.dmp
    Filesize

    360KB

  • memory/1848-63-0x0000000004A00000-0x0000000004A01000-memory.dmp
    Filesize

    4KB

  • memory/1848-59-0x0000000000DD0000-0x0000000000DD1000-memory.dmp
    Filesize

    4KB

  • memory/1848-61-0x0000000000530000-0x000000000053C000-memory.dmp
    Filesize

    48KB