Analysis

  • max time kernel
    104s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2023 19:27

General

  • Target

    8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50.exe

  • Size

    769KB

  • MD5

    6ae9aa383b94ddcbb3d72f224e7916b0

  • SHA1

    b0e1d688491401fbad958d0a300ef0d7cd828840

  • SHA256

    8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50

  • SHA512

    e1afa9af9d83e852696d9631beb15816aaef8b650dbaf02844e736b1fe68baadad1877c11590d645e52120067887c6e1351763566bcfd69b4d97f58a152d8159

  • SSDEEP

    24576:aTlAfGAsaExEPVkc5OtG3dbJaetN647jS67U1OM+EOw/j2j1P9X:agNsamElOc3mo68Veod+21PR

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 14 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 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.

  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50.exe
    "C:\Users\Admin\AppData\Local\Temp\8a77d5183257efe270e01da6034970f0761525676af87ea55bbf59355a4fce50.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
      "C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe" /ShowDeskTop
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      PID:1144
    • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
      "C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe" /autorun /setuprun
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:308
    • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
      "C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe" /setupsucc
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nst15C5.tmp\FindProcDLL.dll
    Filesize

    3KB

    MD5

    8614c450637267afacad1645e23ba24a

    SHA1

    e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

    SHA256

    0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

    SHA512

    af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

  • C:\Users\Admin\AppData\Local\Temp\nst15C5.tmp\System.dll
    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • C:\Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\lander.ini
    Filesize

    384B

    MD5

    a4c8ddd5b1217c292b2bbbffd76bbb28

    SHA1

    a47c4cdc83649adc7705d8e2a6b1a0200ab3b6b0

    SHA256

    6fcb4ad8ec778389aba32ae66bf8c8c866d168d05942f986dba64d00f698d0b1

    SHA512

    6034b2c3e625bc50d65e0ec4bd280602b719606d12ff0f390860756c96a386eed8b181f3db2736db4ec6226c5602623af0369bdde5fd4e5cf305175e3de0af38

  • C:\Users\Admin\AppData\Roaming\37游戏\cqby\Lander.ini
    Filesize

    44B

    MD5

    966a2808d3cea0b39aa3f93986c52b75

    SHA1

    9a97e3f75b9db789f4af5a3f6aadb2f4174ab216

    SHA256

    6730bd03cd0a931548f6f94677a4159e317569bbedc7da191e0a7019778d472f

    SHA512

    d342782422055550818382c99afb2f69889e18324e61a95d9e3c15c4ff517ed1539985ce6d42217f86d403451ea2e586e9b75ee983fba44c0381faab51ff8a87

  • C:\Users\Admin\AppData\Roaming\37游戏\cqby\Lander.ini
    Filesize

    105B

    MD5

    2976658a814ec1dd88d1eb63c677fa70

    SHA1

    2cfaf94d0e0479b775e9309d2658d5a9aceb8a8a

    SHA256

    9b58d3fc9d8b89dfc1f81cc4875351f8488f628024a428630e63b250505bd072

    SHA512

    76ff89bb986119c7ca02898c82ec2be174504f4d83b04bc62f2e99d0c346adee46d7124f6d4337719946caac5f922579b062f395f0bf6c548def7603c1dce339

  • C:\Users\Admin\AppData\Roaming\37游戏\cqby\Lander.ini
    Filesize

    120B

    MD5

    c9ebd866c9e15daf73c444cb6a99a7e0

    SHA1

    394a12fdb31df191be1b508fc026dc265d3b624b

    SHA256

    d7e8f96bba39b4bb599fab11d897ed8dc7bdc1795a738d513db423c32c67bd1d

    SHA512

    9e8a77cce37ea9a2be07eb5816a54a41284bd1d2324fc14ffdeac89fd38727e2ec725badde8c953038952b038dfea75862af5e70f315681d94aea6424065c5bf

  • C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\37´«Ææ°ÔÒµ.lnk
    Filesize

    941B

    MD5

    76e2b175578fea721e757d6fc1698740

    SHA1

    657b8bd2b793fb64c6dd618648eab4a5712c97f8

    SHA256

    1ca192aec72a709d6a68ee8b6b0bd788ec6be0b29071fc2691a548453f7707ef

    SHA512

    6a8a7e35209a7285096706dc4c8b4f424612cbb5291027afffb4a5d82ca6c39ee153bed8b1873b6ec669f021ad7a2263446fa2ad78cc6e4503245868ce7e6f19

  • \Users\Admin\AppData\Local\Temp\nst15C5.tmp\FindProcDLL.dll
    Filesize

    3KB

    MD5

    8614c450637267afacad1645e23ba24a

    SHA1

    e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

    SHA256

    0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

    SHA512

    af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

  • \Users\Admin\AppData\Local\Temp\nst15C5.tmp\System.dll
    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • \Users\Admin\AppData\Roaming\37ÓÎÏ·\cqby\cqby.exe
    Filesize

    988KB

    MD5

    84847a0c987f7d06e7c8ef9303c78e38

    SHA1

    7560671809178e118b6d2e2201a0291c9428b455

    SHA256

    7dd788e7766e3c86e40feda09f9bfa96c24f8bfb56a1ad8975d08033f15b3e1d

    SHA512

    4387080d061dbe3a6f814add7f6212b0255dfae0de110a44dafc9268777669a4fc23f3a6f2b0842e32139d0acd3e8acc4a3d2dfcdfbc0e554fc223b8a68551da

  • memory/308-137-0x0000000000130000-0x0000000000131000-memory.dmp
    Filesize

    4KB

  • memory/1948-95-0x00000000003D0000-0x00000000003D3000-memory.dmp
    Filesize

    12KB