Analysis

  • max time kernel
    22s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 07:46

General

  • Target

    080b76e36195a2e941d60789e16bbc39b95dd52fd3e943e9df6f323cc714d481.exe

  • Size

    2.5MB

  • MD5

    7fe849fcdd65ccbf42140324790259e8

  • SHA1

    65a2b549fafb4b15b118e0d6017ba0ec910e72b5

  • SHA256

    080b76e36195a2e941d60789e16bbc39b95dd52fd3e943e9df6f323cc714d481

  • SHA512

    d5249828d5595a03c8e15ad196b0f3038bcfe6fcfec2afa11f8bd183db4b864678101db32da38b1a7381afa8a6d72d6f5694240747768debff23733ba8f4cdc0

  • SSDEEP

    49152:h1OsoMWyUQ+GUVFIcHPvpfvHfZIHpGq7E75HVHw0lkiM1NbW:h1OvMvWHHR6HNh0+i

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\080b76e36195a2e941d60789e16bbc39b95dd52fd3e943e9df6f323cc714d481.exe
    "C:\Users\Admin\AppData\Local\Temp\080b76e36195a2e941d60789e16bbc39b95dd52fd3e943e9df6f323cc714d481.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\k9OrCYYVpszcYwk.exe
      .\k9OrCYYVpszcYwk.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:2040
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\1MmXM1NIG7M2qN.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\1MmXM1NIG7M2qN.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\GoSave\1MmXM1NIG7M2qN.dat

    Filesize

    7KB

    MD5

    b5f1303197585ec30aa41cef48881dfa

    SHA1

    d14df3aef5e5e7f6345474694e29e54c958345e2

    SHA256

    3b7320b398c593826b09fcc59f7240512cb23cb31e2a7a8bf78cb581165666e8

    SHA512

    6588b8963bcb79399c54b9d8425ac8357b7069e8748a6a549ab2947d4c90208055ed77e258fc60386e364143befa0a72e68a78b755e2a54cc6967ac0b6fba995

  • C:\Program Files (x86)\GoSave\1MmXM1NIG7M2qN.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\1MmXM1NIG7M2qN.dll

    Filesize

    750KB

    MD5

    a1e5276fa264891a2394cfb992fef753

    SHA1

    3fc9b45acb1feaf1799f70cf93a965221ffe492e

    SHA256

    7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

    SHA512

    ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\1MmXM1NIG7M2qN.tlb

    Filesize

    3KB

    MD5

    6bdd6ba23e0c129c5b4fa1a141aa21f6

    SHA1

    beef025f5611f84ce53f24e58435f070f92c064f

    SHA256

    14f706e58b4e332e1bc9b6fc6c650097db6e0ea91ac7ad0064aba01832ddd990

    SHA512

    828d9f58efd731252209ea1ed7d092c9e88190b81272fa704c8cb963f5f9d91172610b90e0bce763c0f5207b10d67d0fc4eb31294fd89dde2a260a19d324bc1b

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\1MmXM1NIG7M2qN.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\[email protected]\bootstrap.js

    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\[email protected]\chrome.manifest

    Filesize

    35B

    MD5

    9a76a86568b6871a388db78edc6da9a2

    SHA1

    66d1b799c17941898d72c34f24894fb0ac09ac2c

    SHA256

    007b30fe02d34580e08d1a80421169d35e8e46ec5ad88f3f26c31bff9fa39ee0

    SHA512

    5128fd81e0ac22cba3261c84ac892c9f0edc3ee984264a794b4485bed88799b05b16fc6f14e9e9d347c9de57fba12a9cf4ab33db9bb0d2621fc533314b0904d0

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\[email protected]\content\bg.js

    Filesize

    8KB

    MD5

    f528efc5573934e20789755e51570326

    SHA1

    bef5077def7adb60675a4f61e8140b23d6d0612a

    SHA256

    22da2eaa0cffe27ece64695d505fcf4834d3f616ca07d52a5592755318a9d754

    SHA512

    a176cf3826d02d36d2ece1b5684371a8bef44de25419f009dedf281c2ab0bf71abec4274ca829058e4e551beaa0a8aa8f4b0b0b738896ddc1bd8f363335b9c83

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\[email protected]\install.rdf

    Filesize

    592B

    MD5

    59d11ec6855815f9639794fd52710767

    SHA1

    16f506a77b27902a193e38f30a5d6e2c90578355

    SHA256

    158cb82883cc11b4b8439ac984aa90038f26450c595a02e24c7596ac4577b741

    SHA512

    bc6da3228eb7f5e15cb7fa83a1cb7bbd3031fdb86fbcbf61d69bb02a47a80853b97c75a87f63de0195faa319f37a5b68ec16d9776f068be9f9519583816146c2

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\celolalnkipjnekolmjoagikinnifpkc\Arsb.js

    Filesize

    6KB

    MD5

    ef006693884504b383a296a4be6db253

    SHA1

    51f64087e4ca4a6776a7cbfb8cb98369ca520224

    SHA256

    cd0ab8e5f12acb761eac72238a47e066581e43582a9e0414d1685288352d4ccc

    SHA512

    2c9fa51855ca7b8dd49e3925a585540cf0cb1270bd422508b0534eaf153867394c619fa0816578d0612571253a7251a0bf5e31567f358e2315841920b19b58ad

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\celolalnkipjnekolmjoagikinnifpkc\background.html

    Filesize

    141B

    MD5

    97523fdd0b70bf4880a2e90c31e15103

    SHA1

    c77e10cfb6e145ad25e073450c3af6c04e3d59fc

    SHA256

    68f9fdcec4a3bcf95356cd7fd62d7f5c1e67b5f312a44c70f13fcc9a7bba7cc4

    SHA512

    73f65422d5208d079f1cd23b9830e6bf0bcab7ee410db84f27eea4ed2218bd3d3a22b06737be130e34df045643693f575d47516b2c899f5cff2850d4a6982782

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\celolalnkipjnekolmjoagikinnifpkc\content.js

    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\celolalnkipjnekolmjoagikinnifpkc\lsdb.js

    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\celolalnkipjnekolmjoagikinnifpkc\manifest.json

    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\k9OrCYYVpszcYwk.dat

    Filesize

    7KB

    MD5

    b5f1303197585ec30aa41cef48881dfa

    SHA1

    d14df3aef5e5e7f6345474694e29e54c958345e2

    SHA256

    3b7320b398c593826b09fcc59f7240512cb23cb31e2a7a8bf78cb581165666e8

    SHA512

    6588b8963bcb79399c54b9d8425ac8357b7069e8748a6a549ab2947d4c90208055ed77e258fc60386e364143befa0a72e68a78b755e2a54cc6967ac0b6fba995

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\k9OrCYYVpszcYwk.exe

    Filesize

    771KB

    MD5

    e8ef8ed232808bfa240b33b376bb74a8

    SHA1

    b7ebfbda42fb24594210d3f97921c5b33b88585d

    SHA256

    a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

    SHA512

    24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

  • C:\Users\Admin\AppData\Local\Temp\7zS90AC.tmp\k9OrCYYVpszcYwk.exe

    Filesize

    771KB

    MD5

    e8ef8ed232808bfa240b33b376bb74a8

    SHA1

    b7ebfbda42fb24594210d3f97921c5b33b88585d

    SHA256

    a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

    SHA512

    24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

  • \Program Files (x86)\GoSave\1MmXM1NIG7M2qN.dll

    Filesize

    750KB

    MD5

    a1e5276fa264891a2394cfb992fef753

    SHA1

    3fc9b45acb1feaf1799f70cf93a965221ffe492e

    SHA256

    7d25cce7e647fbee7c157d7cad8b3a12abb66fa3b992adfede9de78687b69838

    SHA512

    ded2b69d13d0f6dd0b7f1fb0b6e8dd0ff1e6705ef5ecae284421826b630de43f0fc7c7783c3246c9fe31dedf07e35e3051366abcc666dec7ff6fe06416c62fcd

  • \Program Files (x86)\GoSave\1MmXM1NIG7M2qN.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Program Files (x86)\GoSave\1MmXM1NIG7M2qN.x64.dll

    Filesize

    882KB

    MD5

    0827270a2d7dca4230839de0511d4280

    SHA1

    264ce2775315b06a37cd51d7152df58e29a11b60

    SHA256

    6863740f9ed110fbf10ef18b8732ada23f4db42e998214ed97a09f5fbdd7571b

    SHA512

    d1bf285d6b084920c8d03170cc317939a6a5a3c8b67f71064478fc02feba512a1bffe7f10da424efd6441e61933af777b70c5ace4dce582a0b2bd3a02bdc76c4

  • \Users\Admin\AppData\Local\Temp\7zS90AC.tmp\k9OrCYYVpszcYwk.exe

    Filesize

    771KB

    MD5

    e8ef8ed232808bfa240b33b376bb74a8

    SHA1

    b7ebfbda42fb24594210d3f97921c5b33b88585d

    SHA256

    a4265c00fc8eb9371329ddbc19e760b433ea9f4ab4e16d4d95682031940ad6c9

    SHA512

    24a4de7ba07c5712a94cb8334764b6d23799dc4bb7153acf4eb7289ec4577b79bc9bf4adf6e0c65b13441d7783314ec4d9a13a61cf447124c43c44ff55fa8ef8

  • memory/240-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

    Filesize

    8KB

  • memory/320-73-0x0000000000000000-mapping.dmp

  • memory/472-78-0x000007FEFBA01000-0x000007FEFBA03000-memory.dmp

    Filesize

    8KB

  • memory/472-77-0x0000000000000000-mapping.dmp

  • memory/2040-56-0x0000000000000000-mapping.dmp