Analysis

  • max time kernel
    21s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 19:48

General

  • Target

    c086bddcee50c40ea9725d62e585abea75e27b23f539adf5cef0d16a2b71446f.exe

  • Size

    2.5MB

  • MD5

    af31705f751372ab2a13f50c3dd1dc61

  • SHA1

    a9dde26d18c5e0cd5f1fb4181315e49465588d7e

  • SHA256

    c086bddcee50c40ea9725d62e585abea75e27b23f539adf5cef0d16a2b71446f

  • SHA512

    ba674204c03ea7c95ac8dcb782fec438a345eec191b77faab9d1868507ce27485b0253ce025d7d76d86c5d0953b054760a865295cdf38d885769dad7966bbc58

  • SSDEEP

    49152:h1Osc+EEkBK4albTJZ8ON3rXm3QluLa2Dd7DLFuGVqEIfgao:h1O//EwoJNrXiQ2VLao

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\c086bddcee50c40ea9725d62e585abea75e27b23f539adf5cef0d16a2b71446f.exe
    "C:\Users\Admin\AppData\Local\Temp\c086bddcee50c40ea9725d62e585abea75e27b23f539adf5cef0d16a2b71446f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\vmptO6KinsVLl0c.exe
      .\vmptO6KinsVLl0c.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:240
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\GoSave\74BAwccRKh4htn.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1304
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\GoSave\74BAwccRKh4htn.x64.dll"
          4⤵
          • Loads dropped DLL
          • Installs/modifies Browser Helper Object
          PID:1256

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\74BAwccRKh4htn.dat
    Filesize

    6KB

    MD5

    796089139a7e3fd8ea60602aadea2444

    SHA1

    bfa8a720b142ae1d95529d306b5c8114c85e1fbc

    SHA256

    3050bc26439b5023a5bd0e3ef8b5c7a12e38ddb450857daff9e16ffb54a01b5f

    SHA512

    11d6860f4a8103f9276c380b07329de3c24fddcb66ff1d5cc5e23556309fe7eb6de908d5e3688d6c4f4cc7e02943fcc23e270ca774a9c704181ce48309f7b21e

  • C:\Program Files (x86)\GoSave\74BAwccRKh4htn.x64.dll
    Filesize

    872KB

    MD5

    07a395356a4b77443ed0b44fe9364b72

    SHA1

    3e2b2f8e382aaee3cf7cb4b909790974776046b6

    SHA256

    43c82740929ffcf37d4455feb782666b1529457d9e3e6a158096f38df51f4f71

    SHA512

    b37900ed2063085ed0c7fc2459b0675b64a71739af9692bfa9ce18a831f78de3e439728fde6f4c10df550e2df2a0b5f685418472b8028cf9cbc516385667ccf5

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\74BAwccRKh4htn.dll
    Filesize

    745KB

    MD5

    d66f0491325da1780176a654178f04fa

    SHA1

    82a3b9ba77ccdf5d009604c1a647bc9958ee99d1

    SHA256

    49e40fabf91f0921d511f49877bdf54ce3f64d4d6d13f7d5b80b4c5e31735f2b

    SHA512

    59b30172dec6241da5af867f1f5f5134999277e82631650df8d41169561d118773e59d6dbbda382c50c53e5f2570ef15842b6c2817dc5869997474accd892ff7

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\74BAwccRKh4htn.tlb
    Filesize

    3KB

    MD5

    9a7a72928870ce5593553497de34a50d

    SHA1

    b5487d32d9756a0abbb53adde37879c98c8b2fc6

    SHA256

    9c71fec8a21a01269da67595a67e0effe928d3f6eec23c66fead9500e98b9aef

    SHA512

    db43372b607aef854e05c9bfa4e0b8faa4ebfbef259755c30192f152a3dc5db273f6d9b54b3afd5f74cf1c9ea920f712d91fb956c3fcea61eb8f1e11c2011f4a

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\74BAwccRKh4htn.x64.dll
    Filesize

    872KB

    MD5

    07a395356a4b77443ed0b44fe9364b72

    SHA1

    3e2b2f8e382aaee3cf7cb4b909790974776046b6

    SHA256

    43c82740929ffcf37d4455feb782666b1529457d9e3e6a158096f38df51f4f71

    SHA512

    b37900ed2063085ed0c7fc2459b0675b64a71739af9692bfa9ce18a831f78de3e439728fde6f4c10df550e2df2a0b5f685418472b8028cf9cbc516385667ccf5

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    df13f711e20e9c80171846d4f2f7ae06

    SHA1

    56d29cda58427efe0e21d3880d39eb1b0ef60bee

    SHA256

    6c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4

    SHA512

    6c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\[email protected]\chrome.manifest
    Filesize

    35B

    MD5

    931ae5fd79fe53e65313822154892cf3

    SHA1

    f658a9f80857c94863a5d978f1451fffffa66f55

    SHA256

    2f230ef10d8b90bef6669400634dd6356d0f5ff75552293c6d06e83c85cb5b3d

    SHA512

    a932701bf4118f2189a9cc59d867ca62b948ab46c4d445540c3063d196fb7b9e96527075c3bf131a7a9f93445a932f92f9c1068ade1b547878befcbddff297c9

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\[email protected]\content\bg.js
    Filesize

    7KB

    MD5

    1ddda19ca77fbed3bc1c547e5eac6710

    SHA1

    665ab6d5e426ce4e44e54b098bfd63114bd2ecbe

    SHA256

    016c26cea39ea71db3334bccafaada10f13912c8814ca7258f454f85e036543a

    SHA512

    b4954c6309fcb40dc1cc851300cd67c8ba34d81a44acc79676d05da97c4a41aeeb2a3dbc553bb8ade6ee5d9dd269c082d92eb8bc1abb490d5174bad235795c7b

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\[email protected]\install.rdf
    Filesize

    595B

    MD5

    8dec82784bba61aac150aacd3da97147

    SHA1

    4b41013a7d9a5c0babf518b8cb01e93e8bcba79c

    SHA256

    46ef201e8b897125c6475d0370b81efd04359fbbf0b81eb794bed9b5390a51d1

    SHA512

    6f4683be19f327fee2e253c33d99457f4aa6e1b654548be68ecdeb1a9902eb68bd0d1d472c40349eb255384de189d227ddf3c02161cf81a936b85af8c2a47d76

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\behkangolfiphppknlmkclmlnhhegnnm\EvootQdY5.js
    Filesize

    5KB

    MD5

    42bfa84d108f34233e8216bd5a4f77c4

    SHA1

    450c35946e04a6492d82576e44f26031881294a4

    SHA256

    b2e03742977825d82cb6d4cd25bcc9b26fa5693386d23b8685aab6583373fc89

    SHA512

    d65e132f2520f1cb5c50f7f350cbb963f22ff18ce9e5d9c628122c78abf00e812e86327cc00d3616e1e5887439244137f42512921fdcf91dd02985f542637e71

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\behkangolfiphppknlmkclmlnhhegnnm\background.html
    Filesize

    146B

    MD5

    113467da9cbd0d4d37a245981ff37287

    SHA1

    c43a7cb225e268d1f951552756855939ec5131f9

    SHA256

    a26061d7e173cf9248addf6d1861333be1759eea3723c397dc1e29ea6d5a93c6

    SHA512

    f2cb3f877e342e7505f68106b5447ad6b31af6e312c81b161b3a8a49525e6d0449b636bbd1881cc20d4d882c554a287f621684b4e7129bc356e4877151220d3b

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\behkangolfiphppknlmkclmlnhhegnnm\content.js
    Filesize

    144B

    MD5

    fca19198fd8af21016a8b1dec7980002

    SHA1

    fd01a47d14004e17a625efe66cc46a06c786cf40

    SHA256

    332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a

    SHA512

    60f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\behkangolfiphppknlmkclmlnhhegnnm\lsdb.js
    Filesize

    531B

    MD5

    36d98318ab2b3b2585a30984db328afb

    SHA1

    f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5

    SHA256

    ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7

    SHA512

    6f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\behkangolfiphppknlmkclmlnhhegnnm\manifest.json
    Filesize

    498B

    MD5

    640199ea4621e34510de919f6a54436f

    SHA1

    dc65dbfad02bd2688030bd56ca1cab85917a9937

    SHA256

    e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af

    SHA512

    d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\vmptO6KinsVLl0c.dat
    Filesize

    6KB

    MD5

    796089139a7e3fd8ea60602aadea2444

    SHA1

    bfa8a720b142ae1d95529d306b5c8114c85e1fbc

    SHA256

    3050bc26439b5023a5bd0e3ef8b5c7a12e38ddb450857daff9e16ffb54a01b5f

    SHA512

    11d6860f4a8103f9276c380b07329de3c24fddcb66ff1d5cc5e23556309fe7eb6de908d5e3688d6c4f4cc7e02943fcc23e270ca774a9c704181ce48309f7b21e

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\vmptO6KinsVLl0c.exe
    Filesize

    789KB

    MD5

    25633a1a9c13fbac717530daba494def

    SHA1

    745ccf13c491297f58fc0968b19b5f03c1999365

    SHA256

    414775c958834ace64105578075f588906e322a645147d4d82fc37a1df216d21

    SHA512

    234f5e055ed377ede53a56d4e374e0f312b6e3ad47f8498c583efd32529216935ca053149b23ca96d0bfce27cdbf5d42711b681712facedd366739ae0c56b089

  • C:\Users\Admin\AppData\Local\Temp\7zS4B25.tmp\vmptO6KinsVLl0c.exe
    Filesize

    789KB

    MD5

    25633a1a9c13fbac717530daba494def

    SHA1

    745ccf13c491297f58fc0968b19b5f03c1999365

    SHA256

    414775c958834ace64105578075f588906e322a645147d4d82fc37a1df216d21

    SHA512

    234f5e055ed377ede53a56d4e374e0f312b6e3ad47f8498c583efd32529216935ca053149b23ca96d0bfce27cdbf5d42711b681712facedd366739ae0c56b089

  • \Program Files (x86)\GoSave\74BAwccRKh4htn.dll
    Filesize

    745KB

    MD5

    d66f0491325da1780176a654178f04fa

    SHA1

    82a3b9ba77ccdf5d009604c1a647bc9958ee99d1

    SHA256

    49e40fabf91f0921d511f49877bdf54ce3f64d4d6d13f7d5b80b4c5e31735f2b

    SHA512

    59b30172dec6241da5af867f1f5f5134999277e82631650df8d41169561d118773e59d6dbbda382c50c53e5f2570ef15842b6c2817dc5869997474accd892ff7

  • \Program Files (x86)\GoSave\74BAwccRKh4htn.x64.dll
    Filesize

    872KB

    MD5

    07a395356a4b77443ed0b44fe9364b72

    SHA1

    3e2b2f8e382aaee3cf7cb4b909790974776046b6

    SHA256

    43c82740929ffcf37d4455feb782666b1529457d9e3e6a158096f38df51f4f71

    SHA512

    b37900ed2063085ed0c7fc2459b0675b64a71739af9692bfa9ce18a831f78de3e439728fde6f4c10df550e2df2a0b5f685418472b8028cf9cbc516385667ccf5

  • \Program Files (x86)\GoSave\74BAwccRKh4htn.x64.dll
    Filesize

    872KB

    MD5

    07a395356a4b77443ed0b44fe9364b72

    SHA1

    3e2b2f8e382aaee3cf7cb4b909790974776046b6

    SHA256

    43c82740929ffcf37d4455feb782666b1529457d9e3e6a158096f38df51f4f71

    SHA512

    b37900ed2063085ed0c7fc2459b0675b64a71739af9692bfa9ce18a831f78de3e439728fde6f4c10df550e2df2a0b5f685418472b8028cf9cbc516385667ccf5

  • \Users\Admin\AppData\Local\Temp\7zS4B25.tmp\vmptO6KinsVLl0c.exe
    Filesize

    789KB

    MD5

    25633a1a9c13fbac717530daba494def

    SHA1

    745ccf13c491297f58fc0968b19b5f03c1999365

    SHA256

    414775c958834ace64105578075f588906e322a645147d4d82fc37a1df216d21

    SHA512

    234f5e055ed377ede53a56d4e374e0f312b6e3ad47f8498c583efd32529216935ca053149b23ca96d0bfce27cdbf5d42711b681712facedd366739ae0c56b089

  • memory/240-56-0x0000000000000000-mapping.dmp
  • memory/1256-78-0x000007FEFB6D1000-0x000007FEFB6D3000-memory.dmp
    Filesize

    8KB

  • memory/1256-77-0x0000000000000000-mapping.dmp
  • memory/1304-73-0x0000000000000000-mapping.dmp
  • memory/1900-54-0x0000000074AB1000-0x0000000074AB3000-memory.dmp
    Filesize

    8KB