Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 15:32

General

  • Target

    1d9234fafd6e23237aca569dcf544409f42b4a18b34f4a8f4054bec015cb4dfd.exe

  • Size

    281KB

  • MD5

    69299d99dde0bd867b5a264daafa052b

  • SHA1

    3dfdfa732d66fa9bc934f5572844117813e26aa0

  • SHA256

    1d9234fafd6e23237aca569dcf544409f42b4a18b34f4a8f4054bec015cb4dfd

  • SHA512

    9bbeef6451e3927337b029d0bb79ede0613420d62d99e47af59e76247ad57956118f2ab4fcf7255c4caf142f0a26755eff2d3b73622a5627effac7237158920a

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4siHIXbxMMGrh4e3RkHVzB:91OgLdaXorUrB3uJB

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\1d9234fafd6e23237aca569dcf544409f42b4a18b34f4a8f4054bec015cb4dfd.exe
    "C:\Users\Admin\AppData\Local\Temp\1d9234fafd6e23237aca569dcf544409f42b4a18b34f4a8f4054bec015cb4dfd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2616
    • C:\Users\Admin\AppData\Local\Temp\7zSB942.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:4688

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Codecv\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    1e18725b7f626023399f24836ed26344

    SHA1

    34dbb3636a503532814c36df0dfeb6ce00692a24

    SHA256

    0cdbc3f407d1dba5bd43bafb1e1412f9c12671caedac89d6c1595da3b255c840

    SHA512

    68eec0d612a6f70c130b0e9a4a906ebafa25ad58ffa125a2a65b52bd240c2e67e4dc8d4f4b211c281a747aada3c08aebe9878ed2aa1b8b6c3210d2d16d7944c6

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    39d2954152abcc9d77daa0bf70950d07

    SHA1

    27f01e625be450d1dea0b0c2ac14d897ebffab90

    SHA256

    c7c52d0f3289091e734ab771a1161e5f0f37bcf6b30b9592d023e2c69d14c3d1

    SHA512

    1052cf496504ff662fc20efd128bf94010eb562c5bdb9d85776387a6373c2001ca560c5166f9cdab9c1f6ba7b3e21987200f0dada113431e7c688c153ccf8899

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    b93da024a6d3ccd747f9bdd8feba14a8

    SHA1

    7518c0ffeb392d2c1815ead4b7cf5a4c37a841e8

    SHA256

    5a09b4ba7c7367ba0e13c2c99c09620dc2794697184b19aad4523e0cfbd98d81

    SHA512

    b46eba1e6a4be7abbff48993fc601b17a6cdcc07ef34f94607caa350b470b44c31858cb8decf6c650d80124f5c0e5a63bcfa3001e529c4ca6594ec24de2a020a

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    7ed51177589c5f965bc4de1ba595db74

    SHA1

    ebbd99d00d74ad59f62e08039ced2895128a495b

    SHA256

    b5df4dd981977034cad52335e5cffd855171f6174aba908628b33e8b2f6a728a

    SHA512

    603c2c40171e0b6a3c26735526fcd74e5493f2a3f154303ac4187dc9bf6b502e69cb6485563fe1eb4ec1c0e472ea92352a83d290ecc7d3643d8b587711c43b45

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    0508a5667b93dabe4a19e64c55b6af7f

    SHA1

    a9e9da71249f53244523fa2f9e9a9e4fb77b6e09

    SHA256

    8ef008dd5238bd114fbb15d8acb956f77eb0c909441d1c42521551170ce0261a

    SHA512

    e23adc7a13097c240a5220b3b89820ddb82530e0623d0dedce65042ff3ca20d35e7b76da3fc7aca6e34b8e43ac4950e690f85db6dc90b617a3566196c3224f8b

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    0dbfa0e812d15a8d3728b0b71eb4cf27

    SHA1

    16201f00808ed29358cd207a31179d2e7548519c

    SHA256

    e9f5c6c2bff62d821e8bf4df61f44609953fed1c3619f5c8624f1a15bfe52c70

    SHA512

    1ac3187b57c1dd7d194f8ddd82e4e5fc8390ce0243e4d7683f2e2cb688100b8cf5b73a9be1763c26c73ee44e9fbe4506c482856299f4e3eb64ae837c5f9307cf

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    193906db51a8873daa7c63fa6bf5a419

    SHA1

    d3d77fbd10ab226d85b28fe99e87584c3212a6a2

    SHA256

    c87130edd15d27e93185660eda7424a2c5b930d89dd17cd6be705cf141c0e6ad

    SHA512

    37329d57d185e05c32ae715fa17a32fb478744939cd17e8c09746204214bc1d9f9e94eac63330f76e52c3fd1198f832dc4b0b20bed97d3bd498391cb595a1f76

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\[email protected]\install.rdf

    Filesize

    676B

    MD5

    8416b9001e9b10cfe0bc55fed7ec28a3

    SHA1

    cea7e07e6661ae1a8b5b58524672edf180754826

    SHA256

    1fd04c7abfe3e0f68b545a668ff10be4afcb2c53d15f903e902aa35b50dbc868

    SHA512

    797fcc12b110417589787a1214dbec1b80f81afa221299e88b0dd706eb871217154f7afec64c8bf1f8680cef0985c0d3cde0a7e0598bab1f864e48a74992f5d3

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\aglaegfehpofpmbbailfknfphclpajbp.crx

    Filesize

    3KB

    MD5

    b4c438cf71a57480b5f7bf25cfdf0454

    SHA1

    47f7a3278933884ed68c03358a30349c3a76e39e

    SHA256

    907d38df88b8f3274ae4cc666343016a94af4a5f0e25f155eab379c48db6763b

    SHA512

    ecafbbc20464eb125a676e57fabeee38706d4e8a9b612e2a6654c36cc0689e2047f22952cd8075ddc5011f4747fd65271a48e3711ea5ead617af24a409a0cb23

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\background.html

    Filesize

    5KB

    MD5

    76c3ea2242fedf6d60a380580b4ee267

    SHA1

    3c9fb5d045df94066c7c5fcb84f2a7ff7f4fbb57

    SHA256

    2478591a020c70c22d4cb7b03d27f92862d8a971a64e28e0809a9e18dcea2208

    SHA512

    55c372cb1600e807f11d881c541c8c9dc25debf5e7d629998bd4045d05a1bace129c14715438ab7abc614ac788f6b958e43e763750f76619df3a6e7d7397f487

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\content.js

    Filesize

    734B

    MD5

    60361dfd2711ba40256a8edd4873d1ed

    SHA1

    b8f70f6eb5047bc5ba282a823fcc1716ca3612f3

    SHA256

    c1d01f1d6bc9b8533eb4353523f4f8dcb3f8b394cc091a43fd8a17dd3915cd75

    SHA512

    efe542c116992bb6ef8da22ebbd055c7ed5681e23a3547730b04c66755e330c409782144cb78cd21a58f2c9ce08c66791acfe49e9702c19671ab14a5db6f62e5

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\settings.ini

    Filesize

    660B

    MD5

    5a7cf726114738867e9f28ba6ad54a48

    SHA1

    c58d1bee2b79989abcb1b7c46fbed4027d1ca886

    SHA256

    f1bbfc804ed4c6d0adb7e625600479614c72ed10e378805d4457ba07c052a256

    SHA512

    ef446b29644c901476b3101b4db32e6f963afd9c11f1fd3b8679d29a0749fd55fbfd3ed9ecd2be40d9e097ba20ef67cf487e48549389a1cb5a355b7f0c15fe99

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b

  • C:\Users\Admin\AppData\Local\Temp\7zSB942.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b

  • memory/4688-132-0x0000000000000000-mapping.dmp