Analysis

  • max time kernel
    168s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 22:46

General

  • Target

    b52013d277d674b178ddd4c3aa5ebafb63c921cb711b0f8ab5ff48fd7c98c62c.exe

  • Size

    2.1MB

  • MD5

    8b52a0e519e154dc3411ef223d21e388

  • SHA1

    402037ba7e18bc80787afd97f70eb0155904f5d6

  • SHA256

    b52013d277d674b178ddd4c3aa5ebafb63c921cb711b0f8ab5ff48fd7c98c62c

  • SHA512

    17878ab8a3da4b6153e84a1fe7e2928965cc6d66448f1c7e6e27ba55cffe04e61139726a5e6b2473691931e2cfda7936d6162d1e370fcba3c72a00825e278847

  • SSDEEP

    49152:h1Os8hvaZG1MVEtzijkTvu2x/uw4B8FHFF6q:h1O9vaxMziy3b

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 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 5 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 9 IoCs

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

  • Drops file in Program Files directory 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b52013d277d674b178ddd4c3aa5ebafb63c921cb711b0f8ab5ff48fd7c98c62c.exe
    "C:\Users\Admin\AppData\Local\Temp\b52013d277d674b178ddd4c3aa5ebafb63c921cb711b0f8ab5ff48fd7c98c62c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\3IZ6LYUPPv8PbWQ.exe
      .\3IZ6LYUPPv8PbWQ.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:1516
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\YOutuBeADBlockE\1EP87S6p5JfAZz.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:3264
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\YOutuBeADBlockE\1EP87S6p5JfAZz.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1624

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files (x86)\YOutuBeADBlockE\1EP87S6p5JfAZz.dat

    Filesize

    6KB

    MD5

    4d5543f706ba1ad1175978eeee05d6d7

    SHA1

    9536bdba91d9ac7cf59a0658a402c6594fb1a428

    SHA256

    09c0373ae3994db1d11ac1a182008ba0abee1e0e3654f2123a9990844dd560cb

    SHA512

    5f2363fecd3dc00e82da52fea5243eabbcd02964211ad7612107eb7e513fe006c53dfb868298c9487abf9a6c8ad83db1f070121b46402a9f46ebd2dc6a17b2f0

  • C:\Program Files (x86)\YOutuBeADBlockE\1EP87S6p5JfAZz.dll

    Filesize

    618KB

    MD5

    f180a95d8673cd01ce4af0ff678fa099

    SHA1

    8592fe958436e14ef9ace437ac4445ecca22e35e

    SHA256

    d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

    SHA512

    3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

  • C:\Program Files (x86)\YOutuBeADBlockE\1EP87S6p5JfAZz.x64.dll

    Filesize

    695KB

    MD5

    2af06e7424e4f53fa8ee2b8daf4cdaa3

    SHA1

    0a09aa095e38211b8fc512d2e9f8f7cf12159a19

    SHA256

    81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

    SHA512

    6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

  • C:\Program Files (x86)\YOutuBeADBlockE\1EP87S6p5JfAZz.x64.dll

    Filesize

    695KB

    MD5

    2af06e7424e4f53fa8ee2b8daf4cdaa3

    SHA1

    0a09aa095e38211b8fc512d2e9f8f7cf12159a19

    SHA256

    81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

    SHA512

    6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

  • C:\Program Files (x86)\YOutuBeADBlockE\1EP87S6p5JfAZz.x64.dll

    Filesize

    695KB

    MD5

    2af06e7424e4f53fa8ee2b8daf4cdaa3

    SHA1

    0a09aa095e38211b8fc512d2e9f8f7cf12159a19

    SHA256

    81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

    SHA512

    6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\1EP87S6p5JfAZz.dll

    Filesize

    618KB

    MD5

    f180a95d8673cd01ce4af0ff678fa099

    SHA1

    8592fe958436e14ef9ace437ac4445ecca22e35e

    SHA256

    d40aa49822621713e0f79f6c9a187468251fc22559cb1bbd6b5f71a94819eeb7

    SHA512

    3dda5f3133df4c00c03d8b3fb539b37e2e6b26d0384d3674cefa9595136f9eaa4b9d21c0e806a9ec3cfadfb782a30e344145abbf87bca813de056f84c6fb13c9

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\1EP87S6p5JfAZz.tlb

    Filesize

    3KB

    MD5

    8af6f42a5b16ced04702514d47052053

    SHA1

    f06e43c9710e27b38063652217874f6fc8515ea0

    SHA256

    0fc752f18e2f21a6d0b45fb9769deefe70d4690e72225037a37d1dc0553ae8ed

    SHA512

    2d1fedf6693f0347d9265436fbc17515fa9a904db54170181ca7a6d5c64a4928494a20a1eb489d646602ed2769e570bfb5835bffd241a53a8fe64d5767b9234b

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\1EP87S6p5JfAZz.x64.dll

    Filesize

    695KB

    MD5

    2af06e7424e4f53fa8ee2b8daf4cdaa3

    SHA1

    0a09aa095e38211b8fc512d2e9f8f7cf12159a19

    SHA256

    81f98c4034227951bd4ad5e6d6a823bd112602f3550fd7066a01f16b8c8aca69

    SHA512

    6bcaa8998bd7971f41bebc8433be949cf48d98c0eb70c643b7b7a1b50d2b4cf66412efb170684f36f1987c1992ba88350f815ea18a3cf50caf8ce97bbb961b16

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    12305afd955c19443dbcd5a49b28bbca

    SHA1

    86fc2fcde9555c7f6e4035e66d351a1691a715fb

    SHA256

    b2511297117dc4f4ee7c1c86fffff0c55b789b4afda35d9d804b37184d8b4230

    SHA512

    35ed52c63d81a6d1b9b49899cde36974824b2500c7fd06a7217722ae0b09a5a29960cb310eb4952169f792c20a428314b4955e3c0f1c16452eb7bf61537cad6e

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\[email protected]\content\bg.js

    Filesize

    7KB

    MD5

    18113234647f0f3d1d446cc2c90e5211

    SHA1

    313c6222b62e7fc6dde1d0136ac8c668b8041d7a

    SHA256

    c2874142ea8bc30db0198cae9e16ef2f9424763e9d818dcd56db9fd9f765589f

    SHA512

    c131198eb33f0c9390510b305c2b3bfd92c27118602b77b86c69ee21cb098c4ba58c2c171231d7d44bc2fadb4757fab1b9bd56ea34df29635304003149e8e087

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\[email protected]\install.rdf

    Filesize

    600B

    MD5

    b4436906ea587c5b57b2b2f23c6162f2

    SHA1

    25a99d8025382437cb76ef3b8c449423bfd536f8

    SHA256

    e37ca5a04b2fbc24ac081d51c3dc9ac1b3fcdd062fa1255f205b60baec2f975a

    SHA512

    4597fb7c832aeb1561ba063a684f89915f526a4a3203ec91c5283a60cbe47d5299607b237fbb45dc0553a655142faaaa1622f6ed9e5391b8367003a721c58906

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\3IZ6LYUPPv8PbWQ.dat

    Filesize

    6KB

    MD5

    4d5543f706ba1ad1175978eeee05d6d7

    SHA1

    9536bdba91d9ac7cf59a0658a402c6594fb1a428

    SHA256

    09c0373ae3994db1d11ac1a182008ba0abee1e0e3654f2123a9990844dd560cb

    SHA512

    5f2363fecd3dc00e82da52fea5243eabbcd02964211ad7612107eb7e513fe006c53dfb868298c9487abf9a6c8ad83db1f070121b46402a9f46ebd2dc6a17b2f0

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\3IZ6LYUPPv8PbWQ.exe

    Filesize

    634KB

    MD5

    bd1503d4eaae5e7f2a8cdbd9a88ec02a

    SHA1

    730280a7839bb46bdeeaa47797d926f8d57e1da1

    SHA256

    724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

    SHA512

    0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\3IZ6LYUPPv8PbWQ.exe

    Filesize

    634KB

    MD5

    bd1503d4eaae5e7f2a8cdbd9a88ec02a

    SHA1

    730280a7839bb46bdeeaa47797d926f8d57e1da1

    SHA256

    724380928512fc5261d5f42e64f7705fcdeae1410f24a8ec6b0a2ba783675cb4

    SHA512

    0dc06ce8e78f6b0ebbe65723791ea4ffde8a9d55534dda1b02e81f1a109fce77f26e4bdfb9fd18b5ca9f4d9ff2454e6b05eca325539148512f762b5d2f225c7b

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\jknpnojkkghkfgheohbjcndnhbddocpd\background.html

    Filesize

    145B

    MD5

    764aa503d5fa0123591768a2a1f43c2d

    SHA1

    2b8e014788fa3da782add324920cad00743b56cb

    SHA256

    3e55c17ab7fdbf39a84b42072a201b21038c53ad3d23cb7eb8b8c8cf9e375929

    SHA512

    c774c4d70e3fe37351bbe87d712d1d18ff3ed89dd8a4a1d9243073f7839b635c62b55a365681f1c002769c879925cbd70204a4b6f293322dca7296b549570179

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\jknpnojkkghkfgheohbjcndnhbddocpd\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\jknpnojkkghkfgheohbjcndnhbddocpd\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\jknpnojkkghkfgheohbjcndnhbddocpd\manifest.json

    Filesize

    507B

    MD5

    e9bf0e0fa82d3128ca2fdedca7f63bdd

    SHA1

    105661af74268574856ec36cc5ba81153bf0309e

    SHA256

    5f6cd40ad42326070e6e4c5e57d264b15a2fa4428db1c50ebde8dee93b64cf84

    SHA512

    578961cefa3e8fb9ca0b792747a2dd16d3dc3c2766f5de23c016e9127de8a217fab9c4c95a3a3569373b68d0669db126d5b23430b545fea455ee177887ef5f0f

  • C:\Users\Admin\AppData\Local\Temp\7zS743.tmp\jknpnojkkghkfgheohbjcndnhbddocpd\paakID1b.js

    Filesize

    5KB

    MD5

    0e40a3790c8fe0445e73e89d0883c7ea

    SHA1

    5380ad5c48751dd7c6448abcd1fbd30e9cbdec2c

    SHA256

    1368d2a591c9c9baef83e74ef638818e02e9b59a18b3095493d83dc69a017c9c

    SHA512

    e644e1aba07d8be973952cf26ec3e42eff429db42bab4a0706e744ac8703b09cfd052f081a12662cc6f48af374bf75d739b59a0764360dd67bcf6288d993a5f7