Analysis

  • max time kernel
    19s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 16:24

General

  • Target

    fea316af560aed33b63422982bf93676d940735f03309c745d6095c15674cc8f.exe

  • Size

    2.5MB

  • MD5

    b386a51d8e1b2afeb4e04b35f9af229b

  • SHA1

    cb942e4de139242194f56f2588ec55490e28d532

  • SHA256

    fea316af560aed33b63422982bf93676d940735f03309c745d6095c15674cc8f

  • SHA512

    a1bbe993d71aeabdf3b9ab50939293c59d16ac2267cfd09122b3948822ef1e7a35d7031416aeacb917916f4a12af4d482a59fe010c2b3bcbca5a1c1d3c7b1e6c

  • SSDEEP

    49152:h1OspCpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bkC:h1Obly7kNfrNq4C

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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.

  • Drops Chrome extension 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 11 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fea316af560aed33b63422982bf93676d940735f03309c745d6095c15674cc8f.exe
    "C:\Users\Admin\AppData\Local\Temp\fea316af560aed33b63422982bf93676d940735f03309c745d6095c15674cc8f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\ByF8HgwCyjqelpP.exe
      .\ByF8HgwCyjqelpP.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:736
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\qNdgSVXBQmXmVF.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1816
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\qNdgSVXBQmXmVF.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\GoSave\qNdgSVXBQmXmVF.dat
    Filesize

    6KB

    MD5

    5a33f71f457e62f67d91186b96ade312

    SHA1

    714042f8f59bbebc193ab2443b01e1f2d1ed8d57

    SHA256

    9aa6da5b29033bb4a77cfa5d5b214f1d1532d36810cb2c7815ebb10289b61c4a

    SHA512

    044af0ac245be6ac966ad1f50067e46e407748c96ced77897f9f36d79c5b6cc62d35352464c6d10dc45e81cbda7d279e8ac86eaaff946014093bb03353a1d1ad

  • C:\Program Files (x86)\GoSave\qNdgSVXBQmXmVF.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\ByF8HgwCyjqelpP.dat
    Filesize

    6KB

    MD5

    5a33f71f457e62f67d91186b96ade312

    SHA1

    714042f8f59bbebc193ab2443b01e1f2d1ed8d57

    SHA256

    9aa6da5b29033bb4a77cfa5d5b214f1d1532d36810cb2c7815ebb10289b61c4a

    SHA512

    044af0ac245be6ac966ad1f50067e46e407748c96ced77897f9f36d79c5b6cc62d35352464c6d10dc45e81cbda7d279e8ac86eaaff946014093bb03353a1d1ad

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\ByF8HgwCyjqelpP.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\ByF8HgwCyjqelpP.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    95936cd37a8d6834abd2f13daacd0cb6

    SHA1

    a86304f5ca59044654dcf0af83a97bb94a6ca5b7

    SHA256

    10e1ba3a35f28e14885fb56f707e06a802fd3287b2dc5e162b29b993094fd612

    SHA512

    bcff5008cbbfe5a72fef732ffe176b54fef3d0d57c4e06dc65899d2ab4506a1fb2d040a39e73cdee8e106235ec8ea3cd42b68e63220d345b29bd42ac96f72d8f

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    6362daeada837aabdbf7de0c8604b2fa

    SHA1

    9d1ed2cc787fa3a3d430b77b3c57ab826c4b157a

    SHA256

    f2b475c4960490ce8920e21a23be8072181eca94b512f1f51ad1e79d2df90483

    SHA512

    1db5f48c2d545f74fe6703d6e978d461d6fad21a66c5f489d4160f2bec915587fcab6d03e36607851cce6e7943231a7d1725f9949c49c8ca45dc29483a67d728

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\[email protected]\install.rdf
    Filesize

    591B

    MD5

    df98f8438615258ffa6bfae743c0a512

    SHA1

    fa3fa1a919e2395a5f911d96e42e58ec8133198a

    SHA256

    1f7aa25f15cd0b1e23729287dda8ba7881c9700dcf26d34073dd79e892574cc7

    SHA512

    328cbd1f6b2693acb51b90ce55238cf3f370c225876786ab71a9f2ef3558e6db2d7a403bf5fd328b8796a2769b4e5d22ea1ae395203c3ff3bb66af36494f1f5c

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\hcpclndgceljdnajpgphennaoljfdeag\Qcp16Iir.js
    Filesize

    5KB

    MD5

    65866241a77bb00a5d5c7b63639d4e98

    SHA1

    15997d2f902bcad7ed2daeb88266562c1a10f78c

    SHA256

    e9bf56e91746f24439dc59e3378aa31038b9a4b2c8a06cd8901c7041d46dd575

    SHA512

    fc8b6de80991f8d8680325eebdd7fbd0cbf8305169f71aa4def7cd398ddd095e725b5789a32abcb8d9da16d2fd21218bcc4277a4a3799c62f4f16ec1edaf3185

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\hcpclndgceljdnajpgphennaoljfdeag\background.html
    Filesize

    145B

    MD5

    90e1c8d650aaba2d116770161372cdb4

    SHA1

    416dd7cc07558f51fbb70227efa64cea5fd03874

    SHA256

    057e310624c1033caaf8c5c26dca2a172cdb82425a609b3243dced40f7abc71c

    SHA512

    91c06c8f64cfea4983ce1d6a055f24f19156617aba999816ef1a2d22b41ebeb234c8a61dedd95c9e8f07df5e9421b7445ed86cc0534818819711060022a02d99

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\hcpclndgceljdnajpgphennaoljfdeag\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\hcpclndgceljdnajpgphennaoljfdeag\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\hcpclndgceljdnajpgphennaoljfdeag\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\qNdgSVXBQmXmVF.dll
    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\qNdgSVXBQmXmVF.tlb
    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\qNdgSVXBQmXmVF.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\qNdgSVXBQmXmVF.dll
    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\GoSave\qNdgSVXBQmXmVF.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\qNdgSVXBQmXmVF.x64.dll
    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Users\Admin\AppData\Local\Temp\7zSE8F9.tmp\ByF8HgwCyjqelpP.exe
    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/736-56-0x0000000000000000-mapping.dmp
  • memory/1460-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
    Filesize

    8KB

  • memory/1740-77-0x0000000000000000-mapping.dmp
  • memory/1740-78-0x000007FEFC101000-0x000007FEFC103000-memory.dmp
    Filesize

    8KB

  • memory/1816-73-0x0000000000000000-mapping.dmp