Analysis

  • max time kernel
    46s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 16:33

General

  • Target

    fbf78d672b6704d203472362c234fa02d61dd11537ef70c5c67bf31b146fa301.exe

  • Size

    2.5MB

  • MD5

    ec1435fc98c7af8eaf8924a1ff0439ea

  • SHA1

    0cb4bf5da694d4eaddebcacfbd65ead79db5fa9b

  • SHA256

    fbf78d672b6704d203472362c234fa02d61dd11537ef70c5c67bf31b146fa301

  • SHA512

    a62c87db27eba06c2a539c60ad3f945105f91e2a00c71a2fe704e8893aa0a0bae50be8b35ce0a55c482fb1b9b768c111d12a4503f74fd9a0e0054968439339bb

  • SSDEEP

    49152:h1Oss5COLX7G7GRWdmohosycWMhHnOaAxNqZ0qhgU9V:h1OTJyGRBoyLC

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\fbf78d672b6704d203472362c234fa02d61dd11537ef70c5c67bf31b146fa301.exe
    "C:\Users\Admin\AppData\Local\Temp\fbf78d672b6704d203472362c234fa02d61dd11537ef70c5c67bf31b146fa301.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\F2g5J6DWb7kCWPA.exe
      .\F2g5J6DWb7kCWPA.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:988
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\Browser Shop\4hOYKHZKPTULEG.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\Browser Shop\4hOYKHZKPTULEG.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:268

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)\Browser Shop\4hOYKHZKPTULEG.dat
    Filesize

    6KB

    MD5

    a841eb6de68b4884ac3adf9b0d450529

    SHA1

    e6316dda47a0bc715641fd6b956818a573c08d39

    SHA256

    ab7c6c426cce94ca25ba5cf75ea673260255db3dc2c12e4189ed2fded4aedbac

    SHA512

    60d646beb87159a57bb7ee7e636d078d0c54568fe5e45a8152b578f74843033cc31cf5c6451f85d28d0473ac8ba2bde81a086fa395713c4dfcd6df4d05ec7fc1

  • C:\Program Files (x86)\Browser Shop\4hOYKHZKPTULEG.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\4hOYKHZKPTULEG.dll
    Filesize

    745KB

    MD5

    175f98785c3d6faa5b5b3e014ca0c6c4

    SHA1

    827e7ca85de729435c27b4dc5281ab74a8c74716

    SHA256

    d11cc3cd7c46548d4b5cb75e03ebc38055d625005fb76da2636d310d9c25ffb5

    SHA512

    8effb2b62cd5ecafcea5f25c45d9abdfaafb769b4e25a5cf8f745e0ff6c745d6334926b6ddfe37fa94623d4ec6c281bee54caffca9699521f5191baa2515aa56

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\4hOYKHZKPTULEG.tlb
    Filesize

    3KB

    MD5

    aa1b86f094611e50009eac733d790223

    SHA1

    c80cfc36e2cf4cc4f916b2e5b51c2e393e036ec3

    SHA256

    1d549089596b20ee3aafa5b5b5b560577da81ded6e96d1cbb115fecb2006b95a

    SHA512

    eaaeca4c9e1d245e1c4ee6b1541f8663cc09896ae44a2167bb3c7389bce246ea2905af0a80ba4cb25d9cafaeb4b1edabb048e9075d1603367b2bc0e9475faa8d

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\4hOYKHZKPTULEG.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\F2g5J6DWb7kCWPA.dat
    Filesize

    6KB

    MD5

    a841eb6de68b4884ac3adf9b0d450529

    SHA1

    e6316dda47a0bc715641fd6b956818a573c08d39

    SHA256

    ab7c6c426cce94ca25ba5cf75ea673260255db3dc2c12e4189ed2fded4aedbac

    SHA512

    60d646beb87159a57bb7ee7e636d078d0c54568fe5e45a8152b578f74843033cc31cf5c6451f85d28d0473ac8ba2bde81a086fa395713c4dfcd6df4d05ec7fc1

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\F2g5J6DWb7kCWPA.exe
    Filesize

    770KB

    MD5

    acfc58daed4c2caa7fa430c1b7e427a0

    SHA1

    e4ddeeaa697b3ca2df9d8a02636a69d3dd8faac3

    SHA256

    aaf57b2088806da2c5aa507a6673aa1a4f445e25ee10ed8621dcf3821c935906

    SHA512

    e10efb743a4a7b3270a23ac0ec13c6b34c65d359f7998ffcbfa6c03186c49fc6f57b83e0f8fc31f9953b8fd3a924680a212833b75c2dd3b63a4f6be26a2a69e1

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\F2g5J6DWb7kCWPA.exe
    Filesize

    770KB

    MD5

    acfc58daed4c2caa7fa430c1b7e427a0

    SHA1

    e4ddeeaa697b3ca2df9d8a02636a69d3dd8faac3

    SHA256

    aaf57b2088806da2c5aa507a6673aa1a4f445e25ee10ed8621dcf3821c935906

    SHA512

    e10efb743a4a7b3270a23ac0ec13c6b34c65d359f7998ffcbfa6c03186c49fc6f57b83e0f8fc31f9953b8fd3a924680a212833b75c2dd3b63a4f6be26a2a69e1

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    5c729f8b9690b0bb3d2bc80c0f81bc7b

    SHA1

    0737a69644ad2068a02a5c8fc244e1889a147358

    SHA256

    b58cd2ab7d217c2f3df12c504cc9cd2276b9b1899a012604435436e6b2735396

    SHA512

    6947e08cb32eb76703e8c26c82efd37037402b2a3a65e54c0c72ad2d0b0aae97b574ccf458345879bc89857aef4de165ab0cf617ac3d2afdc11af127e9d9a6f9

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    05cb28121ffcc9ab9dd42f533378d1b8

    SHA1

    1fbca5f6af86290ac8a895ed793e9ac3c17dac9b

    SHA256

    54d152aa3c567dba9214db2d59899e02614a6f4218144562a0804104e8e73d2f

    SHA512

    f22c591a9b3ad9c9a11988fde67b5d620f6d5eccd349cccdb8db2b054639a572902ba50c0dc700ff6ef6c7729578bb4269b36d5a39ca34862bf75c7a41dbf9c4

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\[email protected]\install.rdf
    Filesize

    601B

    MD5

    78db42f5832f917cd901683af72c22ce

    SHA1

    1a278728607bbbb7b7417860178c37756ecce13e

    SHA256

    d768b411e5bf537cc08d99d8b8a147f6a109135344f73c0a25d4dbf2c2d82f86

    SHA512

    fd362546cc5f9c15a98178c4ed731d3dec779cca4b3c6ba56a1491dceb8455c2ea116b59554efe24c1b7947390b12bec869e61a2366b72bcd4d2d2e848e24ddc

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\pndhjhlihaenpihlhjlpgeifgchaipbe\background.html
    Filesize

    147B

    MD5

    84cf3cbf6e496e985db70c01cc44af0b

    SHA1

    1fe7bfc0ab9281ac779f16150ed15f3d11344140

    SHA256

    dda9e7d55bd6be208ec6947f087dc6036d1e6bf1cdf5a712ac34666e333bd42c

    SHA512

    f3d090984306bc49580598685ab7a2c8cb92ee06ff6b950751f9d4a5e2fe0a00b2d42361eda615c6672c6019478e22cf24bf59cac561ac04a119c67a57e9fc05

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\pndhjhlihaenpihlhjlpgeifgchaipbe\c2DVwzjP61.js
    Filesize

    5KB

    MD5

    7bb90e0e5005eb5557386767872367e2

    SHA1

    11d99c919c11d0409db90fa79d56d0c8050126ce

    SHA256

    b4257e1307b268c7ffc8688d75735d508983a4969058b6bf48287587daa52604

    SHA512

    98712de2319c0e6530ac55b3f26a890b69c8ab0f972aff0de93d4ad9386709ef611c03d1d462331452bd8d7542a614316821bb4b9bc7ad09fd339d7c278b1647

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\pndhjhlihaenpihlhjlpgeifgchaipbe\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\pndhjhlihaenpihlhjlpgeifgchaipbe\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\pndhjhlihaenpihlhjlpgeifgchaipbe\manifest.json
    Filesize

    504B

    MD5

    d532994175ac6e4e8fea2ae07edef6ff

    SHA1

    5646eab3cebc8b0a804103b63f08a63db784a77d

    SHA256

    f9a190f8cfafdeddfe9627366bcd108e42b7fa07c8d074f1570bd77489f39c4d

    SHA512

    ba6ddc11423c0b0d93de3e3ecb9eeebe29470723282165aa67de4329a5f9af7e390869a7cbd0834c1ff115a1ed0a274bed686b4b6630e98b268ec1f2a9a8dadb

  • \Program Files (x86)\Browser Shop\4hOYKHZKPTULEG.dll
    Filesize

    745KB

    MD5

    175f98785c3d6faa5b5b3e014ca0c6c4

    SHA1

    827e7ca85de729435c27b4dc5281ab74a8c74716

    SHA256

    d11cc3cd7c46548d4b5cb75e03ebc38055d625005fb76da2636d310d9c25ffb5

    SHA512

    8effb2b62cd5ecafcea5f25c45d9abdfaafb769b4e25a5cf8f745e0ff6c745d6334926b6ddfe37fa94623d4ec6c281bee54caffca9699521f5191baa2515aa56

  • \Program Files (x86)\Browser Shop\4hOYKHZKPTULEG.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • \Program Files (x86)\Browser Shop\4hOYKHZKPTULEG.x64.dll
    Filesize

    883KB

    MD5

    8af28aca297e5e06910c74a9528518c3

    SHA1

    fd5ca0d435d8e468c83c5c5e7cdf2d157c8a9ea9

    SHA256

    f1e461c5d1922dac609f585c918135c3b69075953ae4cfc78ae6a8d88ba38ce2

    SHA512

    4cfb013f4f3cdb7d1d1f4f604446c88606a7326a532a6297a15969ecacc40eaf434fa96f183e91a670021658f52519b2a64b227a0163a220b4c561a872d666b6

  • \Users\Admin\AppData\Local\Temp\7zSF5B5.tmp\F2g5J6DWb7kCWPA.exe
    Filesize

    770KB

    MD5

    acfc58daed4c2caa7fa430c1b7e427a0

    SHA1

    e4ddeeaa697b3ca2df9d8a02636a69d3dd8faac3

    SHA256

    aaf57b2088806da2c5aa507a6673aa1a4f445e25ee10ed8621dcf3821c935906

    SHA512

    e10efb743a4a7b3270a23ac0ec13c6b34c65d359f7998ffcbfa6c03186c49fc6f57b83e0f8fc31f9953b8fd3a924680a212833b75c2dd3b63a4f6be26a2a69e1

  • memory/268-77-0x0000000000000000-mapping.dmp
  • memory/268-78-0x000007FEFC591000-0x000007FEFC593000-memory.dmp
    Filesize

    8KB

  • memory/988-56-0x0000000000000000-mapping.dmp
  • memory/1616-73-0x0000000000000000-mapping.dmp
  • memory/1768-54-0x0000000076961000-0x0000000076963000-memory.dmp
    Filesize

    8KB