Analysis

  • max time kernel
    114s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 01:58

General

  • Target

    fc096c622d386fdd4226bfb3b0f7c3b63198767d6acbc47db515597f09860948.exe

  • Size

    2.0MB

  • MD5

    fae1e005bf4b95107d652c4c8b34dbbd

  • SHA1

    b10d2aad4d7068209ce353fe61e993ad71787308

  • SHA256

    fc096c622d386fdd4226bfb3b0f7c3b63198767d6acbc47db515597f09860948

  • SHA512

    8a9bc3dd8de09912bdaf9e5e46be03996c1420982532b07ca41ea0c603b70af412a4200f49f56b7282c81586325e540e3631b80ba2e6cdbd11b257ff59d3422c

  • SSDEEP

    49152:pRsT5JcjsX8ui2Xq/QnBOMWbq8+ZAB+DMBx/WskAxLo6no5PO/Fz:HsT5Jcjss92ZOMWbtCAB+4BuHWZ

Score
9/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc096c622d386fdd4226bfb3b0f7c3b63198767d6acbc47db515597f09860948.exe
    "C:\Users\Admin\AppData\Local\Temp\fc096c622d386fdd4226bfb3b0f7c3b63198767d6acbc47db515597f09860948.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:1764
    • C:\Windows\SysWOW64\taskkill.exe
      "taskkill" /f /T /IM "OLBPre.exe"
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1176
    • C:\Program Files (x86)\OLBPre\OLBPre.exe
      "C:\Program Files (x86)\OLBPre\OLBPre.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      PID:608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\OLBPre\LinqBridge.dll

    Filesize

    59KB

    MD5

    e5cc3997457cd365e43c19f0f9110148

    SHA1

    c2bb699ffc6f2da5828605b857adba92a403e697

    SHA256

    8732de712460d9dd3ee45a25421b31156b4d75eec291cd1deeae63e8a252504c

    SHA512

    4854108a26f6e72f788a01452a192fda64232668bf5560993be6d1172bf6e5e0a33dd498a2c84270692d71068d7d231a35dea08d5a455a92b617eb0cb3938ec8

  • C:\Program Files (x86)\OLBPre\OLBPre.exe

    Filesize

    2.4MB

    MD5

    5efc8ac9dc130ffdbe199c6bcfa24677

    SHA1

    7cba746ecb2ab57c5f6af9a5c6415670fd964a8a

    SHA256

    cbc3437e19674e499817ef07b88aeda61401400edcff47cf7811e6ee8cfe30f2

    SHA512

    4fbdf2985f0ebeaf9e01d6f96203211abb4577043f0fa5c1fd114472e2389a8ed3627d60ea03f44a4225ef1de3c798e12c959546110a313d2e8c98c6483e6c8b

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

    Filesize

    203B

    MD5

    099ad51472095ee0914c661bc21f18d8

    SHA1

    52243c5db306b6ba032d6dd08c5ceeade4a12c43

    SHA256

    1935d2d6a82b18c211a2344390293a831a425dff08d1cd92efb244d043db925a

    SHA512

    3aac5d3f7f0db78c38a14a434c2671e4e09e00ee4afd9792f8ab937ea5da59e9172cb336c9cad05741f4402ad2195cceb1ab8c6d2bf317ecfef4497531c9c9cd

  • C:\Program Files (x86)\OLBPre\brand.jdat

    Filesize

    507KB

    MD5

    526199d0c4a83a02cca8c931a99f6a65

    SHA1

    a758a6c386d3f233e960d605858cde4f050d0e82

    SHA256

    e33ec639f7dfcb452f6373b84b12213f769e941a8325258d7247cd658a3e61ac

    SHA512

    efe564966b2e97ed5eebdf4a1c6554a82975844ea8bb487cecf002eac660b39efd09e01a041056443218215e6c92da9722ed9e8f433cdf24c84155ddf848783a

  • \Program Files (x86)\OLBPre\OLBPre.exe

    Filesize

    2.4MB

    MD5

    5efc8ac9dc130ffdbe199c6bcfa24677

    SHA1

    7cba746ecb2ab57c5f6af9a5c6415670fd964a8a

    SHA256

    cbc3437e19674e499817ef07b88aeda61401400edcff47cf7811e6ee8cfe30f2

    SHA512

    4fbdf2985f0ebeaf9e01d6f96203211abb4577043f0fa5c1fd114472e2389a8ed3627d60ea03f44a4225ef1de3c798e12c959546110a313d2e8c98c6483e6c8b

  • \Program Files (x86)\OLBPre\OLBPre.exe

    Filesize

    2.4MB

    MD5

    5efc8ac9dc130ffdbe199c6bcfa24677

    SHA1

    7cba746ecb2ab57c5f6af9a5c6415670fd964a8a

    SHA256

    cbc3437e19674e499817ef07b88aeda61401400edcff47cf7811e6ee8cfe30f2

    SHA512

    4fbdf2985f0ebeaf9e01d6f96203211abb4577043f0fa5c1fd114472e2389a8ed3627d60ea03f44a4225ef1de3c798e12c959546110a313d2e8c98c6483e6c8b

  • \Program Files (x86)\OLBPre\OLBPre.exe

    Filesize

    2.4MB

    MD5

    5efc8ac9dc130ffdbe199c6bcfa24677

    SHA1

    7cba746ecb2ab57c5f6af9a5c6415670fd964a8a

    SHA256

    cbc3437e19674e499817ef07b88aeda61401400edcff47cf7811e6ee8cfe30f2

    SHA512

    4fbdf2985f0ebeaf9e01d6f96203211abb4577043f0fa5c1fd114472e2389a8ed3627d60ea03f44a4225ef1de3c798e12c959546110a313d2e8c98c6483e6c8b

  • \Users\Admin\AppData\Local\Temp\nsnC19D.tmp\AccessControl.dll

    Filesize

    8KB

    MD5

    9f1a88b953fd2a2c23b09703b253186c

    SHA1

    29d5a5a24e7f782a07e9f5d2ec1d1a6218fec737

    SHA256

    8a8f5bafc105186c85f14e017ab6da33ae8f88a9635e51756f90b6d95381d80d

    SHA512

    10b3a812c92b7324bddcd23adf923fcaec2532f31bdd9fbf17494fc33f99aa0a0a48b94f1fdd6599fa0189567626a90b324a1d132bf9cb8b00a6afc547e64018

  • \Users\Admin\AppData\Local\Temp\nsnC19D.tmp\AccessControl.dll

    Filesize

    8KB

    MD5

    9f1a88b953fd2a2c23b09703b253186c

    SHA1

    29d5a5a24e7f782a07e9f5d2ec1d1a6218fec737

    SHA256

    8a8f5bafc105186c85f14e017ab6da33ae8f88a9635e51756f90b6d95381d80d

    SHA512

    10b3a812c92b7324bddcd23adf923fcaec2532f31bdd9fbf17494fc33f99aa0a0a48b94f1fdd6599fa0189567626a90b324a1d132bf9cb8b00a6afc547e64018

  • \Users\Admin\AppData\Local\Temp\nsnC19D.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    acc2b699edfea5bf5aae45aba3a41e96

    SHA1

    d2accf4d494e43ceb2cff69abe4dd17147d29cc2

    SHA256

    168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

    SHA512

    e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

  • \Users\Admin\AppData\Local\Temp\nsnC19D.tmp\nsRandom.dll

    Filesize

    21KB

    MD5

    ab467b8dfaa660a0f0e5b26e28af5735

    SHA1

    596abd2c31eaff3479edf2069db1c155b59ce74d

    SHA256

    db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

    SHA512

    7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301

  • \Users\Admin\AppData\Local\Temp\nsnC19D.tmp\nsSCM.dll

    Filesize

    5KB

    MD5

    62efa7b730eb0523a026ea4325403b77

    SHA1

    806ed3bd677ccf5d9817c9b464015e347f2c8f3c

    SHA256

    0b96456e8cf6b3e582388d3e530c73ce9121974381d51e5a21cd945c75fd2a38

    SHA512

    748237582e1c25655cf512ec6b1a2f9ad59b3a0da2c3cada535f202dcc66e068ab3bb3be34016f944a4a4fae71a16aea12f9725fe9f679b3fd1073639e31033b

  • memory/608-69-0x000007FEF3D10000-0x000007FEF4733000-memory.dmp

    Filesize

    10.1MB

  • memory/608-70-0x000007FEF2A30000-0x000007FEF3AC6000-memory.dmp

    Filesize

    16.6MB

  • memory/608-71-0x000000001C8C0000-0x000000001CBBF000-memory.dmp

    Filesize

    3.0MB

  • memory/608-72-0x0000000000D26000-0x0000000000D45000-memory.dmp

    Filesize

    124KB

  • memory/608-74-0x0000000000D26000-0x0000000000D45000-memory.dmp

    Filesize

    124KB

  • memory/1764-68-0x0000000074DF0000-0x0000000074DFA000-memory.dmp

    Filesize

    40KB

  • memory/1764-67-0x0000000074E30000-0x0000000074E38000-memory.dmp

    Filesize

    32KB

  • memory/1764-73-0x0000000074DF0000-0x0000000074DFA000-memory.dmp

    Filesize

    40KB

  • memory/1764-54-0x00000000767F1000-0x00000000767F3000-memory.dmp

    Filesize

    8KB