Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 22:44

General

  • Target

    0d72351dcd80cfe48ad85f61c842a6ee7e292d1888ee7e9f2124a3d076dd98c7.exe

  • Size

    255KB

  • MD5

    ea63f6e9fe4e4d4ee9d2bdc72034443d

  • SHA1

    57056e636450ead2c8aa711678a264d4894aeb2f

  • SHA256

    0d72351dcd80cfe48ad85f61c842a6ee7e292d1888ee7e9f2124a3d076dd98c7

  • SHA512

    3294facc56e8936dcc2ffba4605088f553bca1531f64a15f7a1ea2247a01959a0f2222bb006836048bfdc55f614b5d7a47081bb08fe43148354155223e7d155f

  • SSDEEP

    3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJT:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI2

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • UPX packed file 26 IoCs

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

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 12 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 18 IoCs
  • Suspicious use of FindShellTrayWindow 56 IoCs
  • Suspicious use of SendNotifyMessage 37 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d72351dcd80cfe48ad85f61c842a6ee7e292d1888ee7e9f2124a3d076dd98c7.exe
    "C:\Users\Admin\AppData\Local\Temp\0d72351dcd80cfe48ad85f61c842a6ee7e292d1888ee7e9f2124a3d076dd98c7.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\bidirabauo.exe
      bidirabauo.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Windows\SysWOW64\quhpgaxv.exe
        C:\Windows\system32\quhpgaxv.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:556
    • C:\Windows\SysWOW64\qqverdpyhtwnlgx.exe
      qqverdpyhtwnlgx.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:940
    • C:\Windows\SysWOW64\quhpgaxv.exe
      quhpgaxv.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1108
    • C:\Windows\SysWOW64\uhtkqeztsubwq.exe
      uhtkqeztsubwq.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2036
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1044
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:896
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x564
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1532

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Hidden Files and Directories

    2
    T1158

    Registry Run Keys / Startup Folder

    2
    T1060

    Winlogon Helper DLL

    1
    T1004

    Defense Evasion

    Hidden Files and Directories

    2
    T1158

    Modify Registry

    8
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\bidirabauo.exe
      Filesize

      255KB

      MD5

      ebbcbb80c67125f2680f3a1f1a020cdb

      SHA1

      d5dad49e7bcfbae2cae7b1be202e7d9798f0f74e

      SHA256

      fe176e066f839386e611bb079916117f358dd49cb4d2fe23d0701d52d9dc55b4

      SHA512

      95bbd89593db4128da21a759908752947d902151e0bd45fc85e4b0c50390bbd788b73b91bfa771362d6c663b2f547fa48274bb5efe557db22a4f02061053074e

    • C:\Windows\SysWOW64\bidirabauo.exe
      Filesize

      255KB

      MD5

      ebbcbb80c67125f2680f3a1f1a020cdb

      SHA1

      d5dad49e7bcfbae2cae7b1be202e7d9798f0f74e

      SHA256

      fe176e066f839386e611bb079916117f358dd49cb4d2fe23d0701d52d9dc55b4

      SHA512

      95bbd89593db4128da21a759908752947d902151e0bd45fc85e4b0c50390bbd788b73b91bfa771362d6c663b2f547fa48274bb5efe557db22a4f02061053074e

    • C:\Windows\SysWOW64\qqverdpyhtwnlgx.exe
      Filesize

      255KB

      MD5

      4f3ca294f30bae98c4f8da924892be66

      SHA1

      bd2d1f415b44b6af4e3f5dd5252ee9cd65618341

      SHA256

      8f90952183c74a48f0115e6b296c9c5604a7547cdf8a1917bd20f9ebc3c5ac48

      SHA512

      41aabca8f46ccdc1504d29b2727ce435eb4eebb229a90980fd53d575758ef682de3bb4715b1a047eeee0218d21ca6591990806693aa2c7288e616a8eee8424ab

    • C:\Windows\SysWOW64\qqverdpyhtwnlgx.exe
      Filesize

      255KB

      MD5

      4f3ca294f30bae98c4f8da924892be66

      SHA1

      bd2d1f415b44b6af4e3f5dd5252ee9cd65618341

      SHA256

      8f90952183c74a48f0115e6b296c9c5604a7547cdf8a1917bd20f9ebc3c5ac48

      SHA512

      41aabca8f46ccdc1504d29b2727ce435eb4eebb229a90980fd53d575758ef682de3bb4715b1a047eeee0218d21ca6591990806693aa2c7288e616a8eee8424ab

    • C:\Windows\SysWOW64\quhpgaxv.exe
      Filesize

      255KB

      MD5

      2f962758135cb31dd21cb93e6337eaa8

      SHA1

      434f7c029a3b390f84afa27835b7e0052372272b

      SHA256

      7a3e7adbf3488d602aaaf7b03006de371daac2ee40e4a152ec757ed15c4e7323

      SHA512

      f636fbce2d6e36d950bdf9d057b1bf3afb3816b528c3d67e0fba9e61464da06e2a8194a9bf8640cf01231ae92c7ee2599ddf0f68d8a03822c28172edc3eba64e

    • C:\Windows\SysWOW64\quhpgaxv.exe
      Filesize

      255KB

      MD5

      2f962758135cb31dd21cb93e6337eaa8

      SHA1

      434f7c029a3b390f84afa27835b7e0052372272b

      SHA256

      7a3e7adbf3488d602aaaf7b03006de371daac2ee40e4a152ec757ed15c4e7323

      SHA512

      f636fbce2d6e36d950bdf9d057b1bf3afb3816b528c3d67e0fba9e61464da06e2a8194a9bf8640cf01231ae92c7ee2599ddf0f68d8a03822c28172edc3eba64e

    • C:\Windows\SysWOW64\quhpgaxv.exe
      Filesize

      255KB

      MD5

      2f962758135cb31dd21cb93e6337eaa8

      SHA1

      434f7c029a3b390f84afa27835b7e0052372272b

      SHA256

      7a3e7adbf3488d602aaaf7b03006de371daac2ee40e4a152ec757ed15c4e7323

      SHA512

      f636fbce2d6e36d950bdf9d057b1bf3afb3816b528c3d67e0fba9e61464da06e2a8194a9bf8640cf01231ae92c7ee2599ddf0f68d8a03822c28172edc3eba64e

    • C:\Windows\SysWOW64\uhtkqeztsubwq.exe
      Filesize

      255KB

      MD5

      b0f7f167b71aed05fa22a38ceb128359

      SHA1

      9e2319240e7fb206d8f4785a98fd5eaa66678c07

      SHA256

      f1788c82b87895b2dc2a5063cb2a45571093c296e0215a54297c824529aa4b1a

      SHA512

      e18444c7e551d171619bb2f8f0cd6a328e051d1d7fc02fd89347dab77a01ad4a6e4cbab6a0fc334c0f3c1bb6d1a99950c84b669d56e97e2a528b0851d7e08524

    • C:\Windows\SysWOW64\uhtkqeztsubwq.exe
      Filesize

      255KB

      MD5

      b0f7f167b71aed05fa22a38ceb128359

      SHA1

      9e2319240e7fb206d8f4785a98fd5eaa66678c07

      SHA256

      f1788c82b87895b2dc2a5063cb2a45571093c296e0215a54297c824529aa4b1a

      SHA512

      e18444c7e551d171619bb2f8f0cd6a328e051d1d7fc02fd89347dab77a01ad4a6e4cbab6a0fc334c0f3c1bb6d1a99950c84b669d56e97e2a528b0851d7e08524

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\bidirabauo.exe
      Filesize

      255KB

      MD5

      ebbcbb80c67125f2680f3a1f1a020cdb

      SHA1

      d5dad49e7bcfbae2cae7b1be202e7d9798f0f74e

      SHA256

      fe176e066f839386e611bb079916117f358dd49cb4d2fe23d0701d52d9dc55b4

      SHA512

      95bbd89593db4128da21a759908752947d902151e0bd45fc85e4b0c50390bbd788b73b91bfa771362d6c663b2f547fa48274bb5efe557db22a4f02061053074e

    • \Windows\SysWOW64\qqverdpyhtwnlgx.exe
      Filesize

      255KB

      MD5

      4f3ca294f30bae98c4f8da924892be66

      SHA1

      bd2d1f415b44b6af4e3f5dd5252ee9cd65618341

      SHA256

      8f90952183c74a48f0115e6b296c9c5604a7547cdf8a1917bd20f9ebc3c5ac48

      SHA512

      41aabca8f46ccdc1504d29b2727ce435eb4eebb229a90980fd53d575758ef682de3bb4715b1a047eeee0218d21ca6591990806693aa2c7288e616a8eee8424ab

    • \Windows\SysWOW64\quhpgaxv.exe
      Filesize

      255KB

      MD5

      2f962758135cb31dd21cb93e6337eaa8

      SHA1

      434f7c029a3b390f84afa27835b7e0052372272b

      SHA256

      7a3e7adbf3488d602aaaf7b03006de371daac2ee40e4a152ec757ed15c4e7323

      SHA512

      f636fbce2d6e36d950bdf9d057b1bf3afb3816b528c3d67e0fba9e61464da06e2a8194a9bf8640cf01231ae92c7ee2599ddf0f68d8a03822c28172edc3eba64e

    • \Windows\SysWOW64\quhpgaxv.exe
      Filesize

      255KB

      MD5

      2f962758135cb31dd21cb93e6337eaa8

      SHA1

      434f7c029a3b390f84afa27835b7e0052372272b

      SHA256

      7a3e7adbf3488d602aaaf7b03006de371daac2ee40e4a152ec757ed15c4e7323

      SHA512

      f636fbce2d6e36d950bdf9d057b1bf3afb3816b528c3d67e0fba9e61464da06e2a8194a9bf8640cf01231ae92c7ee2599ddf0f68d8a03822c28172edc3eba64e

    • \Windows\SysWOW64\uhtkqeztsubwq.exe
      Filesize

      255KB

      MD5

      b0f7f167b71aed05fa22a38ceb128359

      SHA1

      9e2319240e7fb206d8f4785a98fd5eaa66678c07

      SHA256

      f1788c82b87895b2dc2a5063cb2a45571093c296e0215a54297c824529aa4b1a

      SHA512

      e18444c7e551d171619bb2f8f0cd6a328e051d1d7fc02fd89347dab77a01ad4a6e4cbab6a0fc334c0f3c1bb6d1a99950c84b669d56e97e2a528b0851d7e08524

    • memory/524-89-0x000000006FD81000-0x000000006FD83000-memory.dmp
      Filesize

      8KB

    • memory/524-100-0x0000000070D6D000-0x0000000070D78000-memory.dmp
      Filesize

      44KB

    • memory/524-88-0x0000000072301000-0x0000000072304000-memory.dmp
      Filesize

      12KB

    • memory/524-90-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/524-86-0x0000000000000000-mapping.dmp
    • memory/524-93-0x0000000070D6D000-0x0000000070D78000-memory.dmp
      Filesize

      44KB

    • memory/556-77-0x0000000000000000-mapping.dmp
    • memory/556-99-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/556-85-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/896-103-0x0000000002820000-0x0000000002830000-memory.dmp
      Filesize

      64KB

    • memory/896-94-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp
      Filesize

      8KB

    • memory/940-82-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/940-61-0x0000000000000000-mapping.dmp
    • memory/940-96-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1044-101-0x0000000000000000-mapping.dmp
    • memory/1108-83-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1108-97-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1108-66-0x0000000000000000-mapping.dmp
    • memory/1712-81-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1712-95-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1712-57-0x0000000000000000-mapping.dmp
    • memory/1932-55-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1932-54-0x0000000075981000-0x0000000075983000-memory.dmp
      Filesize

      8KB

    • memory/1932-87-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/1932-80-0x0000000002F80000-0x0000000003020000-memory.dmp
      Filesize

      640KB

    • memory/2036-98-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/2036-84-0x0000000000400000-0x00000000004A0000-memory.dmp
      Filesize

      640KB

    • memory/2036-70-0x0000000000000000-mapping.dmp