Analysis

  • max time kernel
    156s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2022 06:19

General

  • Target

    bbe1ad988b8b3193c4354b3bce2db47a0fe9c78f26cf14d49a3dbd1f7806cac6.exe

  • Size

    429KB

  • MD5

    fa24ca7f34805428e8dccee3b6db4b01

  • SHA1

    09d460182c9aa792b4a4ce73173ed9199406d2fd

  • SHA256

    bbe1ad988b8b3193c4354b3bce2db47a0fe9c78f26cf14d49a3dbd1f7806cac6

  • SHA512

    c68b55bf61a55d9bada516ebeca5c8557c32ee44c5daf19b9588664dfc61b3770641be7ce81827f07fddbccf38e073b809674a886f8f72398c99707cc28b501e

  • SSDEEP

    6144:LPnQWkBXeh5rncXuYn/TMsCyuN4+euudt/YwN1+OSkMTeoYQn3Pxn1cx8Yt6UIIr:LnoX9eY/0yuNUtQw7+OSkMlT/zcx8PUZ

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 12 IoCs
  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 38 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bbe1ad988b8b3193c4354b3bce2db47a0fe9c78f26cf14d49a3dbd1f7806cac6.exe
    "C:\Users\Admin\AppData\Local\Temp\bbe1ad988b8b3193c4354b3bce2db47a0fe9c78f26cf14d49a3dbd1f7806cac6.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Users\Admin\vTtBgWGM.exe
      vTtBgWGM.exe
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1600
      • C:\Users\Admin\roedou.exe
        "C:\Users\Admin\roedou.exe"
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:876
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del vTtBgWGM.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1692
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:752
    • C:\Users\Admin\wog.exe
      wog.exe
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Suspicious use of AdjustPrivilegeToken
      PID:1336
    • C:\Users\Admin\woh.exe
      woh.exe
      2⤵
      • Executes dropped EXE
      PID:1732
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del bbe1ad988b8b3193c4354b3bce2db47a0fe9c78f26cf14d49a3dbd1f7806cac6.exe
      2⤵
      • Deletes itself
      PID:1480

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Process Discovery

1
T1057

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\roedou.exe
    Filesize

    152KB

    MD5

    7dc1075a89957c969b3953544bc4e688

    SHA1

    1682b8bd90c65f7ba6bcb2aa69da90a2309bfe33

    SHA256

    5622fd59b93a5b0d08ac7ff0176cb54accb9ff56988f2613dc705a6910e0a57c

    SHA512

    629b84de6a82d6a0c304f24ceaccf09564eda759edc429c2a5dd126a7c5c5bfa1d246ca374eaf2f3e014a83d2169774b6650040a87b4439675476aec6aaa2df3

  • C:\Users\Admin\roedou.exe
    Filesize

    152KB

    MD5

    7dc1075a89957c969b3953544bc4e688

    SHA1

    1682b8bd90c65f7ba6bcb2aa69da90a2309bfe33

    SHA256

    5622fd59b93a5b0d08ac7ff0176cb54accb9ff56988f2613dc705a6910e0a57c

    SHA512

    629b84de6a82d6a0c304f24ceaccf09564eda759edc429c2a5dd126a7c5c5bfa1d246ca374eaf2f3e014a83d2169774b6650040a87b4439675476aec6aaa2df3

  • C:\Users\Admin\vTtBgWGM.exe
    Filesize

    152KB

    MD5

    44095c5a6c98e49a0f328b29339a8636

    SHA1

    db2a4f362bf74ec0aee546d5fd9e2dc7ff616808

    SHA256

    72b4e8cff9d154f72034c4021b9349dcf0c9bddfeddbe9f5170283ace5a85e58

    SHA512

    d7df51f843ebd07a1ed6a4cc123bd24f667a42ae1f84e602b142680129e32c7f6153c45d2e9dc292d57755963b88a634c23e7eeb274364eb0a98f700b3e2c994

  • C:\Users\Admin\vTtBgWGM.exe
    Filesize

    152KB

    MD5

    44095c5a6c98e49a0f328b29339a8636

    SHA1

    db2a4f362bf74ec0aee546d5fd9e2dc7ff616808

    SHA256

    72b4e8cff9d154f72034c4021b9349dcf0c9bddfeddbe9f5170283ace5a85e58

    SHA512

    d7df51f843ebd07a1ed6a4cc123bd24f667a42ae1f84e602b142680129e32c7f6153c45d2e9dc292d57755963b88a634c23e7eeb274364eb0a98f700b3e2c994

  • C:\Users\Admin\wog.exe
    Filesize

    230KB

    MD5

    447175e54f856165028604829809f782

    SHA1

    4bfa0fd11fa9d1686fd48bc6a25bd0adb1981243

    SHA256

    520b0f6027dcde85d26228a9fdae313e83c44c8b93638dde92b1105b32ea7f5a

    SHA512

    505f25a2ed7fa6adf48d6a39bda30e8383a4147e7b11d5408667beea1b8b75ca9db606eec17e4be82ce004a2a173a014b94e7aaacd25da1f8444ba3f2cfa2bae

  • C:\Users\Admin\wog.exe
    Filesize

    230KB

    MD5

    447175e54f856165028604829809f782

    SHA1

    4bfa0fd11fa9d1686fd48bc6a25bd0adb1981243

    SHA256

    520b0f6027dcde85d26228a9fdae313e83c44c8b93638dde92b1105b32ea7f5a

    SHA512

    505f25a2ed7fa6adf48d6a39bda30e8383a4147e7b11d5408667beea1b8b75ca9db606eec17e4be82ce004a2a173a014b94e7aaacd25da1f8444ba3f2cfa2bae

  • C:\Users\Admin\woh.exe
    Filesize

    134KB

    MD5

    1bff1a8c4777a530bc583d579f280c4d

    SHA1

    378e0a700ea0f08c780a1225e25cdf1748bf962a

    SHA256

    57b82873b77d9447b49c68c4dc3d613dcc64e691aee6fb05dbe623972aeccc5a

    SHA512

    9b018f34d9433b2e7013e72e0a9ad426fbb0babed0bc4efe49df0d1717370d93be1a9926e560c43e7741e006bfe5226bdba001b5f2f8143931575f73ecaf4b42

  • \Users\Admin\roedou.exe
    Filesize

    152KB

    MD5

    7dc1075a89957c969b3953544bc4e688

    SHA1

    1682b8bd90c65f7ba6bcb2aa69da90a2309bfe33

    SHA256

    5622fd59b93a5b0d08ac7ff0176cb54accb9ff56988f2613dc705a6910e0a57c

    SHA512

    629b84de6a82d6a0c304f24ceaccf09564eda759edc429c2a5dd126a7c5c5bfa1d246ca374eaf2f3e014a83d2169774b6650040a87b4439675476aec6aaa2df3

  • \Users\Admin\roedou.exe
    Filesize

    152KB

    MD5

    7dc1075a89957c969b3953544bc4e688

    SHA1

    1682b8bd90c65f7ba6bcb2aa69da90a2309bfe33

    SHA256

    5622fd59b93a5b0d08ac7ff0176cb54accb9ff56988f2613dc705a6910e0a57c

    SHA512

    629b84de6a82d6a0c304f24ceaccf09564eda759edc429c2a5dd126a7c5c5bfa1d246ca374eaf2f3e014a83d2169774b6650040a87b4439675476aec6aaa2df3

  • \Users\Admin\vTtBgWGM.exe
    Filesize

    152KB

    MD5

    44095c5a6c98e49a0f328b29339a8636

    SHA1

    db2a4f362bf74ec0aee546d5fd9e2dc7ff616808

    SHA256

    72b4e8cff9d154f72034c4021b9349dcf0c9bddfeddbe9f5170283ace5a85e58

    SHA512

    d7df51f843ebd07a1ed6a4cc123bd24f667a42ae1f84e602b142680129e32c7f6153c45d2e9dc292d57755963b88a634c23e7eeb274364eb0a98f700b3e2c994

  • \Users\Admin\vTtBgWGM.exe
    Filesize

    152KB

    MD5

    44095c5a6c98e49a0f328b29339a8636

    SHA1

    db2a4f362bf74ec0aee546d5fd9e2dc7ff616808

    SHA256

    72b4e8cff9d154f72034c4021b9349dcf0c9bddfeddbe9f5170283ace5a85e58

    SHA512

    d7df51f843ebd07a1ed6a4cc123bd24f667a42ae1f84e602b142680129e32c7f6153c45d2e9dc292d57755963b88a634c23e7eeb274364eb0a98f700b3e2c994

  • \Users\Admin\wog.exe
    Filesize

    230KB

    MD5

    447175e54f856165028604829809f782

    SHA1

    4bfa0fd11fa9d1686fd48bc6a25bd0adb1981243

    SHA256

    520b0f6027dcde85d26228a9fdae313e83c44c8b93638dde92b1105b32ea7f5a

    SHA512

    505f25a2ed7fa6adf48d6a39bda30e8383a4147e7b11d5408667beea1b8b75ca9db606eec17e4be82ce004a2a173a014b94e7aaacd25da1f8444ba3f2cfa2bae

  • \Users\Admin\wog.exe
    Filesize

    230KB

    MD5

    447175e54f856165028604829809f782

    SHA1

    4bfa0fd11fa9d1686fd48bc6a25bd0adb1981243

    SHA256

    520b0f6027dcde85d26228a9fdae313e83c44c8b93638dde92b1105b32ea7f5a

    SHA512

    505f25a2ed7fa6adf48d6a39bda30e8383a4147e7b11d5408667beea1b8b75ca9db606eec17e4be82ce004a2a173a014b94e7aaacd25da1f8444ba3f2cfa2bae

  • \Users\Admin\woh.exe
    Filesize

    134KB

    MD5

    1bff1a8c4777a530bc583d579f280c4d

    SHA1

    378e0a700ea0f08c780a1225e25cdf1748bf962a

    SHA256

    57b82873b77d9447b49c68c4dc3d613dcc64e691aee6fb05dbe623972aeccc5a

    SHA512

    9b018f34d9433b2e7013e72e0a9ad426fbb0babed0bc4efe49df0d1717370d93be1a9926e560c43e7741e006bfe5226bdba001b5f2f8143931575f73ecaf4b42

  • \Users\Admin\woh.exe
    Filesize

    134KB

    MD5

    1bff1a8c4777a530bc583d579f280c4d

    SHA1

    378e0a700ea0f08c780a1225e25cdf1748bf962a

    SHA256

    57b82873b77d9447b49c68c4dc3d613dcc64e691aee6fb05dbe623972aeccc5a

    SHA512

    9b018f34d9433b2e7013e72e0a9ad426fbb0babed0bc4efe49df0d1717370d93be1a9926e560c43e7741e006bfe5226bdba001b5f2f8143931575f73ecaf4b42

  • memory/752-87-0x0000000000000000-mapping.dmp
  • memory/876-78-0x0000000000000000-mapping.dmp
  • memory/1336-67-0x0000000000470000-0x00000000004D5000-memory.dmp
    Filesize

    404KB

  • memory/1336-74-0x0000000000400000-0x0000000000465000-memory.dmp
    Filesize

    404KB

  • memory/1336-70-0x0000000075BE1000-0x0000000075BE3000-memory.dmp
    Filesize

    8KB

  • memory/1336-68-0x0000000000400000-0x0000000000465000-memory.dmp
    Filesize

    404KB

  • memory/1336-69-0x0000000000470000-0x00000000004D5000-memory.dmp
    Filesize

    404KB

  • memory/1336-60-0x0000000000000000-mapping.dmp
  • memory/1480-71-0x0000000000000000-mapping.dmp
  • memory/1600-56-0x0000000000000000-mapping.dmp
  • memory/1692-86-0x0000000000000000-mapping.dmp
  • memory/1732-64-0x0000000000000000-mapping.dmp