Analysis

  • max time kernel
    40s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:50

General

  • Target

    c00a4c2d8fd6f0144a1e4b983e6b4d2457593254e47892c0fbdf1fb483e7b3ff.exe

  • Size

    2.5MB

  • MD5

    c247c16ad89ef1139ace3708bb4cc1fb

  • SHA1

    63e7badbe281f1993d18d331dce65946ccd8a288

  • SHA256

    c00a4c2d8fd6f0144a1e4b983e6b4d2457593254e47892c0fbdf1fb483e7b3ff

  • SHA512

    a0b9a3baad13b266e7f179361c1e68d562d0e01e265e0a677ed37df80a28a1a7dbbd2f1aa060d151483289217453a7f9313c1af3fe0501be73a93278bdcf7611

  • SSDEEP

    49152:h1Os8CpYO/dJJDHhs6oxRkNfehWfNs4VGufZ9JODSTz4bkX:h1Oely7kNfrNq4X

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 System32 directory 4 IoCs
  • Drops file in Program Files directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c00a4c2d8fd6f0144a1e4b983e6b4d2457593254e47892c0fbdf1fb483e7b3ff.exe
    "C:\Users\Admin\AppData\Local\Temp\c00a4c2d8fd6f0144a1e4b983e6b4d2457593254e47892c0fbdf1fb483e7b3ff.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:816
    • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\3oQ7dRc9JdQPiYd.exe
      .\3oQ7dRc9JdQPiYd.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops Chrome extension
      • Installs/modifies Browser Helper Object
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\lX0YG82AoHxuXP.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1276
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\lX0YG82AoHxuXP.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\lX0YG82AoHxuXP.dat

    Filesize

    7KB

    MD5

    466622d2f70ba4c1c65058bacb0d3a7e

    SHA1

    59ca2ed2e51524aed53d2e85fec0b3edd2035282

    SHA256

    bad792e07795d6d27c8a675693d701a9038a42dc88aa458c2a1dadacb5c1baad

    SHA512

    32c32e6baf41fd8ec845bf02ef4bfcc28356688a00598314cc00c39d2cb6d9d7d44fa6dd0976670f8e9f7fffa152e2cda4483088dd556c77546404db413a7aee

  • C:\Program Files (x86)\GoSave\lX0YG82AoHxuXP.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\3oQ7dRc9JdQPiYd.dat

    Filesize

    7KB

    MD5

    466622d2f70ba4c1c65058bacb0d3a7e

    SHA1

    59ca2ed2e51524aed53d2e85fec0b3edd2035282

    SHA256

    bad792e07795d6d27c8a675693d701a9038a42dc88aa458c2a1dadacb5c1baad

    SHA512

    32c32e6baf41fd8ec845bf02ef4bfcc28356688a00598314cc00c39d2cb6d9d7d44fa6dd0976670f8e9f7fffa152e2cda4483088dd556c77546404db413a7aee

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\3oQ7dRc9JdQPiYd.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\3oQ7dRc9JdQPiYd.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    4a55e41193462167a3006596d9d76fc5

    SHA1

    5639655287c1d99da699b2dd14c4320b252759ad

    SHA256

    214ff9c984b891d328ca9830489f37c7d0407d6be7e60e42f3860afdc8d76738

    SHA512

    07c378eada9ad7c3b7d53f39380f97685a3d1524ba27313d8c47b0494daf48ad79fcfbaef826d60dfd91340734f9e19a463b29aad542828eb135bcf94582d929

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\[email protected]\content\bg.js

    Filesize

    9KB

    MD5

    dcb787c7bff16a8100cf01137be2ec6e

    SHA1

    33e09eb57f1cdecba816e1ec06aca1561354c177

    SHA256

    a0e2fc303373d39b61ecfbfa56b53f658e3df921a1234a33007f8b5af7bec060

    SHA512

    c6588bda01368ec3f38876e753792f83b938f45746821ab0981514aadf6b33a030877634b7f8666ed144f9ae8aeaa17d1b39f326102639b08e2830a1c46cea59

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\[email protected]\install.rdf

    Filesize

    599B

    MD5

    52f6fd6b5f35a08be486d8ebe01d053b

    SHA1

    22ec9cf6824018b90b6e1eb3df592cac34856cd3

    SHA256

    a96046c9c010c8a7f84e91ad578f7dbae878955eafb5cd7729a8097a46b24d50

    SHA512

    6a02527e15ed016b0e490d2802532fa44d58031942b97bc562071383fcc10f0295cf4ca4e68f4684bd68e81103a24ab779b653db9a75909f54bf7440dfb310d3

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\bggggamgjefekedjoocnaedlpfegenji\TmMNXNt.js

    Filesize

    6KB

    MD5

    45599eb5ba48afe0278a7342048b0554

    SHA1

    43e2e52c48109d29e0dee521b7377998b7e7b06e

    SHA256

    54c2f9a2e162e23cc8c12e43310e422d0761f0a087be9a10f90ec2087a4ac561

    SHA512

    e068a6e52315380d41113a8b67c4c885666a5ab900a015e2c10e19f480dcb289db9ef4405ef70f33f983ecb383a5d5d64a8d58853a9ee2e80ba132e436863d5a

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\bggggamgjefekedjoocnaedlpfegenji\background.html

    Filesize

    144B

    MD5

    c71566c6e7800579051a1a858df46ec7

    SHA1

    cfd29b7544f55aa34b8c5c0e1eb7bc8ede289517

    SHA256

    c4238522000234ff8ad55accab2594dfefa4c6260f0d632fb1c981bcb6248c86

    SHA512

    61bee00bc33ea6485201472ff559950198dca64f0c8434e6cfa7762822a326ecf589f44d3ec8ac7b9ec7666ddc612e9052d2ac03a93ed970d2b397e087a7f0d4

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\bggggamgjefekedjoocnaedlpfegenji\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\bggggamgjefekedjoocnaedlpfegenji\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\bggggamgjefekedjoocnaedlpfegenji\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\lX0YG82AoHxuXP.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\lX0YG82AoHxuXP.tlb

    Filesize

    3KB

    MD5

    e3ab22d8beac0180520ab5289a64419b

    SHA1

    1456ba2c78b293e5a80185fefdf05f5dbe424937

    SHA256

    0d3342857b67678dd76e6a24e137f0d75ba399bb48bf5095d7e4f7dfa0bbe416

    SHA512

    c04163026ffa1c6fab34b4fdbf23702148c7c2a31dd356d26f9541027db078b6433aff3a5f749a209a3acbcf3a853a9b5f77984540e21be1f823ce92bcbfc4bf

  • C:\Users\Admin\AppData\Local\Temp\7zS1B01.tmp\lX0YG82AoHxuXP.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\lX0YG82AoHxuXP.dll

    Filesize

    738KB

    MD5

    49961c7c9a7aef57f49adf50d1c810f6

    SHA1

    fc2078aeff5d5abee27c9e8a500cb2d6ae755b05

    SHA256

    c80abdc502d18db54137edc2680a498402c765999814b7fe1b2a7b69a64ce846

    SHA512

    8ad2c3dbd3b4390e4c49561f25ff2acdd4ab4468074e213f3efc81a598f71620e8f21fc87114623a6c0509997e47e1c4f5ffe703c7421ae313f7ba536df2772f

  • \Program Files (x86)\GoSave\lX0YG82AoHxuXP.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Program Files (x86)\GoSave\lX0YG82AoHxuXP.x64.dll

    Filesize

    872KB

    MD5

    337b97dbbcc7ad4d75fb5a90652e6de3

    SHA1

    50e50243af1819e62a7512d85e6dd67b8e1ed103

    SHA256

    b501a7a1e233ac26b0ba2fbbf54cbb782f98bc5484537e584fcbf4dcf5cc3f0c

    SHA512

    dab62835e885457c481d7ee4d76c1bc89278d5dc22178301629c78ad3215e1a4627a95f50b03587d8978e85cbba829f31acedf21c23773f5c526b0f76c8cf09e

  • \Users\Admin\AppData\Local\Temp\7zS1B01.tmp\3oQ7dRc9JdQPiYd.exe

    Filesize

    772KB

    MD5

    5ed7019dcd0008dbcd8e54017b8c7dd9

    SHA1

    7e4457da2ff06c2170bad636c9eb7c1bb436fd06

    SHA256

    7f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7

    SHA512

    10cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db

  • memory/816-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

    Filesize

    8KB

  • memory/1276-73-0x0000000000000000-mapping.dmp

  • memory/1604-78-0x000007FEFB731000-0x000007FEFB733000-memory.dmp

    Filesize

    8KB

  • memory/1604-77-0x0000000000000000-mapping.dmp

  • memory/2000-56-0x0000000000000000-mapping.dmp