Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/10/2022, 08:42

General

  • Target

    69e48d1288d79fe2df9c9d24e4d4829e4454c56504319ee39c29d01a5aeeab13.exe

  • Size

    315KB

  • MD5

    66cc1b666e09d9770754fb5ffa78c95d

  • SHA1

    66fc7d9f17d1328dc2a41dad6829856f4e55a219

  • SHA256

    69e48d1288d79fe2df9c9d24e4d4829e4454c56504319ee39c29d01a5aeeab13

  • SHA512

    9892bb104735eee3eaa44b9d81d1ed59a8e8f1e73fd56e061f3d1e05ad2633afb6aa67853bed0f3164d9a5f60c2bfc2a93a639dc1dc69a14c292af08b2e15d14

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4sw4mQT6wcYXUSPlaSoWMQBxCo9Pb+s86:91OgLda/QOfYEwaFNgPhJ

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\69e48d1288d79fe2df9c9d24e4d4829e4454c56504319ee39c29d01a5aeeab13.exe
    "C:\Users\Admin\AppData\Local\Temp\69e48d1288d79fe2df9c9d24e4d4829e4454c56504319ee39c29d01a5aeeab13.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:1924

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\wxDfast\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    d2eb7b0f78d543aeb4bb9cd4adb326a4

    SHA1

    05b689a2a1daa4c381f5ca92befab9d2f01c2010

    SHA256

    f9442196b707d0df57790f96504e1c052f31322c74b43afd147af626d8741d4c

    SHA512

    07f2a3df66951fbf03ff73ece79870233ee95bca3d175833fe3f78416d118fbcd836667b579e4de2ed5f74787e8efbf11ae0f11e4bfea8dd8297c730f49766bf

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    51c99a9253421267d703322cb0e9dd32

    SHA1

    292a614956f8f4d760e69fff8dd16a310cff90f0

    SHA256

    c8817b1b4d72ab2f8407eebb259558d55fa2aae52ccf6ee9b948d0e137c5f964

    SHA512

    c312462737e7f8a2f5e360b8250c1c60aa9e2ae8efed07b8492cdade7e6bafe39170785e39c5b32108620d5c2ccc6d3f20a6c94e7c867e7fc4406824f81b1e67

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    8cd21ae5b33172acfc18819b8bcf3c07

    SHA1

    35ac3d9522eb0264310922658d069653e723625c

    SHA256

    b4958913920fcd3de49c305eb3fd54a025d97976eee5f889e025a72a787473d0

    SHA512

    00a4006ef9bddf73fbfe774d35ba8d765edc71ba6da82e5d9d0ac730e13dc7ad7defaca1c7135f7233258a9db6fbf9b1c5b2c8da25bc5298d427c5c3889e26ff

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    1c905b1a074adc6d280073bb147bb2de

    SHA1

    b7d26579ea302e4b50b0cc4903c469aa602c8247

    SHA256

    14cd896868fff31294cf960342b65633fc72fb64cff360eb8eb4b5228f69cb73

    SHA512

    4719592e0e8da2fab02f079849709f5f98e6a0799b872ad4c9e331bd78cf0a19c8ba98258c76d6f2d0a5fa6e74eed78ff2db4bbd4a395d23546f034992fb3bc8

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    e87f5f4fbc29e91ecbdf8b5175d67c57

    SHA1

    bf02f8fd649ced4c0df982fa3b869b6c63925429

    SHA256

    ee426c77fbf6b69876b1ba53809c249c3dcfa21ea54ab901f691ed35bedaa665

    SHA512

    165a79bf033722c6d308fdbc9701e6089b23804ae198b69d89c0900365fe80b8dbd4c9160efa0b0bd0f4cdd65cdd0d519b539b3e55943d3aa5de9f204b163411

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    b261bbbe163eb37ab22872ba8b132b73

    SHA1

    1746b7f1a15f785f658cc468880b63141459f3fe

    SHA256

    9da1c63d8b514c3713dbba9331e7de72f4c7fbb2a913f91b1bacbe0d947c282a

    SHA512

    9ecadaa4a2fba2134a8d3577ee36d795b5d9da5582cea78f2161f831e515d057977ba1f13c4ccaf75cafeb1cd89e2eb44da574d3838f20c7fe04423170d3a5d7

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    9627a341a9ec6774c7baa3bc409334e2

    SHA1

    d5294db09be55b6f799d69a82de846c0187782a2

    SHA256

    14613e889e4b836de97e9f6490387b465464a9e0093d7ec00e852e3b17ce2775

    SHA512

    5bff6a1b9603073c9019db14849dd19b21819801ad27425bdb03bf5e76cfb94b5c55d3f4e32780e955b14ef84d7cfef784774ba8b73b145c1ba4b0945b94874e

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\[email protected]\install.rdf

    Filesize

    677B

    MD5

    eeb1743cb1e012b6d2198b4eb251bed7

    SHA1

    3bce816a4e9aea6624e2eadc42d4a55de83e0c76

    SHA256

    b435c7c2f0feb7dfcc10a3b8869b8cf5ff6878035c27092b07219d4fa079db7e

    SHA512

    4dede962a173f90caa0c3a877e8ad7ff1f109e3c426cce193970b0b3a0a65baffb0a744aeadbd285c7526747fa5e75ac76242780ba952843c9931497b90c8be4

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\background.html

    Filesize

    5KB

    MD5

    eadd354954d24e65fda27cfa7e28570f

    SHA1

    667794cd51ae2abfcf7139ade5cf806a0a199808

    SHA256

    af5f360bc02ec24000439729338c8ec3a9ef0352f3833abbf9efc14c4fede0ca

    SHA512

    1157a74be640040741e9afe5146418cdd3b5092c238e762b0c02673f9ea5675b5351ea197442efd5095be90f43ed85a6dcb3acbd69cefc3173d5bc41d56aaa10

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\content.js

    Filesize

    386B

    MD5

    6f1b054bba205a54ef6999845ba35ac2

    SHA1

    6fac14fbdc80e12d55f85f4a9bb221bafd629960

    SHA256

    6beadc55eb228b90c595c0b2ba2e19ed21b5312456fe8eae710138ed1f996fc6

    SHA512

    d4c8d0ecd464cc3eaaa5ed0e6b571d5427b6da1059afbe627269bbb8284cead1b9858751e53c7023043c1a8f3824da3feeb9b9ec56c5dc60e1b34aa2ebca5a1c

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\kfbfjbijhgifegnoodpmeepaedkdkbmb.crx

    Filesize

    37KB

    MD5

    34d2345fd22326aa6cb0a3d3bdbdd863

    SHA1

    48481efc80b8070d7740a2d2798aa74f8c22b765

    SHA256

    3f5ee820324f5c5f6d0b4a541addeabb7c7990d12ca93f4022596169b795083b

    SHA512

    641a65e8c448f5ab79af9cc3dab07c38e8c9c2c8a669cec4d31a819cbdc7e0226f070fde04c86c3c1e7e96e2fcf9298c8df3c6089c74e4b734666bbd9310e98e

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\settings.ini

    Filesize

    599B

    MD5

    16f4bcb531f3167ee0d77815c6ec10ca

    SHA1

    ca0ccb373a076dd31617a75c69ade5f4cc6224ee

    SHA256

    9fb0c6ce6fb5437d8546c23e2a1dbbd49132800fb6cc76586c599b02009fadeb

    SHA512

    2b692e938ed129c7a1b30473e80a69e37fc7eca8b0b410eedff2318f6c64866f49a9303356425f94fed95cee41da426bd416b25dfb8967c0bcfb96a895813f77

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b

  • C:\Users\Admin\AppData\Local\Temp\7zSAA1F.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b