Analysis

  • max time kernel
    6s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    27-05-2022 22:44

General

  • Target

    03f2ba4fe3c3c9acd6e81fa63d37f974783631b192bd1696c47121af0826ef4f.exe

  • Size

    552KB

  • MD5

    42b01218dfc67f2f211ecf3b2b3f900b

  • SHA1

    c1a55b9da399dd58b20bca66d8585af2a99c77f4

  • SHA256

    03f2ba4fe3c3c9acd6e81fa63d37f974783631b192bd1696c47121af0826ef4f

  • SHA512

    49bbad5ad3934e3501d952cf76788dda6b3474bf761e282ffa5dc2fd9438f7246d78a277ccec81c892f8e3746ef552bc88efb9fa30fac6e5248435226309885e

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Drops Chrome extension 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03f2ba4fe3c3c9acd6e81fa63d37f974783631b192bd1696c47121af0826ef4f.exe
    "C:\Users\Admin\AppData\Local\Temp\03f2ba4fe3c3c9acd6e81fa63d37f974783631b192bd1696c47121af0826ef4f.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:964
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /n /s /i:"" Bv2Jbtpl.dll
      2⤵
      • Loads dropped DLL
      • Drops Chrome extension
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:1528

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\Bv2Jbtpl.dll
    Filesize

    203KB

    MD5

    41b13b132cb601ecc466654b90296353

    SHA1

    245258ddccb48826f22d57444f49fa30be1b36fd

    SHA256

    7fa4bb68c313e1090587a64b90e87bdcbc14ea3fb7c0e8cff94c657c969b70bf

    SHA512

    0e8de7bbe3695848e299fe3f3506f2e982a60cf0a0dd11cde86de4af67ef3c7b46458680d7bad9cedaa266ea33cb2e77f2aa83fcf1bdd20bf31d1936f2bd69a6

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\GtBXbX3M.dll
    Filesize

    180KB

    MD5

    0e093772550eb9541dd715c016b5584a

    SHA1

    20338dc859a5652f5661280dc508f4e5b533e76d

    SHA256

    028999304f35f7a6fc2cf6e360d4ea587612d63ce191fa979cc98ccca46ab149

    SHA512

    0030b395e2fde6bc9f70f52e71d8e87d306cff8afd2acbad725c4cc92b6d7916a38c1d6d156feaec841966492d32394982ef51989e2b8673d7c00e103f744dd5

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\GtBXbX3M.tlb
    Filesize

    2KB

    MD5

    48e9706fe9f76731f3576122fc3e9e33

    SHA1

    387c8c4898ead8ace488a7df80fead429eaf167b

    SHA256

    7bad79916803a14ca817e5c39f5ec2f0f240044d6dc24fb4916c8fda338060f1

    SHA512

    e9b44a2b1b7a806066182a084ec9df81916fc6db79710256e173377e7cd64a732c006830bbe324a9a734731ecde8b8251cfa995399f6d4df5322faff99c458b6

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\Preferences.C__Users_Admin_AppData_Local_Google_Chrome_User Data_Default_Preferences
    Filesize

    6KB

    MD5

    0ead0336ae7a614b6e04cfb882c4f2e6

    SHA1

    ffb6ec7e36b2cfb9cfff02922d2f31950f1906de

    SHA256

    0585fc2852654324b89a8fb07c6145e408d841ec7bb9c49a8baa05a3ea7b0f55

    SHA512

    e26830cb8240d6458587d70eec9e3f5ef36ca4ed0bf51f1ac1dcd26176b203eb5332320c8d820fc9d8e5b9215c6f98e8ec39d884dbbf6a0328cc7ee331f82acc

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\[email protected]\bootstrap.js
    Filesize

    2KB

    MD5

    49e8d96ecdeb5b3d73d6cef9fcc3ad9c

    SHA1

    956827d22224900ebca3cdc2b225c23ec77041e5

    SHA256

    794a3b33a999b2a8fb48124a6a11299daf30d325404982344d79a2ddfaa5a098

    SHA512

    86cef482d425d8909a81de21077b676702146df81984a7d1d8f795680e551445f696b8c9751ee3d2b2c25cab1e56202632b7e0e60dc27536a6044510c3124828

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\[email protected]\chrome.manifest
    Filesize

    110B

    MD5

    159d5b8fa0c6900defc9e8955ce1e9c0

    SHA1

    a75b6c08305fcdc9b29be5122b308d4ec6716697

    SHA256

    5388e81d8c53eb91dd3851d7fe51885bb70e92f312007fb8ee2e5a3b30109ee2

    SHA512

    575b854e32274931f6208e4724d28b9532c9938bfe21c5ded7fa1655b21f444e66580853178e10885a93bec2392017adef79eb647949882527c31b10c901b78a

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\[email protected]\content\bg.js
    Filesize

    9KB

    MD5

    a510ed40527afa4b262a16cdaf28b58b

    SHA1

    90d99d900064ea4fb1dbcf76c9015883df513551

    SHA256

    3456efc4661eb85533a1ab20f0c70e1636e24872c78005e5d3a736db21f7fa57

    SHA512

    f11341b8c65d26a2f2917d2866948ac0df8490e23378f8648369c01a8fccc6d1d127826d7b2a738a13bd9eeb5ccae009a148db669156600d02357503030905bd

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\[email protected]\install.rdf
    Filesize

    602B

    MD5

    7c51f0337a2b26939c84ccfa851d4c93

    SHA1

    6d78df3e56b943797ecaaf21566ee40a04815269

    SHA256

    088fb53c5f6906ca7620db3d7f5cd0d89276facd542d2377932528585d9d87fd

    SHA512

    a52322d50f7c1712b716c19f864d5c9e8af14f328b5d8c07b684cf9dcd19e076611ab51d5c62ce290c0ec3f27f9648d8c2878e2c28869151fe8ebd83ddcdb5ca

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\ojbiggkdmcgniachhcgajnodgmdbpjgp\background.html
    Filesize

    146B

    MD5

    3d90c4cb76c8151cc4c3af819715bf6e

    SHA1

    83d8ebe1540c132bbaa7a3071c95e5ba5c552d83

    SHA256

    8b894b31d39e46fbd65e29f7e274afcc51e911cf6a6502e254f20ad066883704

    SHA512

    e4b68b7f274b4610240ca1ee88b38134ba2ca76dd91dbf25026d71deb6688db057a1a7fc8746b30a89e3d7185e9422e487a397effe9a4fc0a362143148b8361e

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\ojbiggkdmcgniachhcgajnodgmdbpjgp\content.js
    Filesize

    197B

    MD5

    5f9891607f65f433b0690bae7088b2c1

    SHA1

    b4edb7579dca34dcd00bca5d2c13cbc5c8fac0de

    SHA256

    fb01e87250ac9985ed08d97f2f99937a52998ea9faebdc88e4071d6517e1ea6b

    SHA512

    76018b39e4b62ff9ea92709d12b0255f33e8402dfc649ed403382eebc22fb37c347c403534a7792e6b5de0ed0a5d97a09b69f0ffc39031cb0d4c7d79e9440c7c

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\ojbiggkdmcgniachhcgajnodgmdbpjgp\lcR8OybzY.js
    Filesize

    5KB

    MD5

    34f05329d4a587bf6cfd354e637d8669

    SHA1

    69da246345374f36d13e7b24e59ee987a1e9f5f0

    SHA256

    85ebc8f69a2eda055d26734c6b050f7fbc62342a3edef246aa84e05dfc90ceda

    SHA512

    f91910856636b630d44862e4289e079bf713f345fa15f5cdec673a9767f8df778a7e269560525cf7bc8422d091e5962985b8a1285f023b474212dc769baf45f2

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\ojbiggkdmcgniachhcgajnodgmdbpjgp\lsdb.js
    Filesize

    559B

    MD5

    209b7ae0b6d8c3f9687c979d03b08089

    SHA1

    6449f8bff917115eef4e7488fae61942a869200f

    SHA256

    e3cf0049af8b9f6cb4f0223ccb8438f4b0c75863684c944450015868a0c45704

    SHA512

    1b38d5509283ef25de550b43ef2535dee1a13eff12ad5093f513165a47eec631bcc993242e2ce640f36c61974431ae2555bd6e2a97aba91eb689b7cd4bf25a25

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\ojbiggkdmcgniachhcgajnodgmdbpjgp\manifest.json
    Filesize

    505B

    MD5

    26f3f237cbb80b696c82cd97c503f9fd

    SHA1

    79450fadf2e91140b89be29db8a8c75b6bcb2af6

    SHA256

    48206709e3b907f138f7eb3839057bcbd294fa7f970d6237b4afd1e5494e52ee

    SHA512

    f6854ad5dc9badc44f7fceecf52bbf0d4ab7c715edfa1a2fbab6450fd0f7131adfe19debe57fd2a1bcefa2818a86a7ed5b42d8838fa404a5b40a527de51013be

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\ojbiggkdmcgniachhcgajnodgmdbpjgp\sqlite.js
    Filesize

    1KB

    MD5

    189b9b21ce698beb1c70f772ec0888b3

    SHA1

    da306a8d04763a6673bf382f54be72d34c89d2f4

    SHA256

    5e9e4a750a445d47ed077c437f7c64d416d674eaf8c6b26a2127aa3059549fca

    SHA512

    e3c2476c908ab23352cba5c95818b7eb268af193ebc83b563a132cfcc6ea35614be876db0be36552d227a0f61aee68c238e2f007699f382428cbfd149072d2a7

  • C:\Users\Admin\AppData\Local\Temp\7zS8863.tmp\settings.ini
    Filesize

    7KB

    MD5

    927472d4927cca7869a84ced2351dab0

    SHA1

    f7ac54fd832298771bde7d2e0c5a270c0e5bae94

    SHA256

    4346f21472450ac6a247d8873c6401c512dbeeb4124c20d6019bedd616764902

    SHA512

    ceb412ada303e1241beb628041b09aeda8c6dc8d72ab2265566a425670c1b065e6294bf357851ec1abfc6f3117fe884631c7358dbdfe747aa57a2daea8c40393

  • \ProgramData\savenshaare\GtBXbX3M.dll
    Filesize

    180KB

    MD5

    0e093772550eb9541dd715c016b5584a

    SHA1

    20338dc859a5652f5661280dc508f4e5b533e76d

    SHA256

    028999304f35f7a6fc2cf6e360d4ea587612d63ce191fa979cc98ccca46ab149

    SHA512

    0030b395e2fde6bc9f70f52e71d8e87d306cff8afd2acbad725c4cc92b6d7916a38c1d6d156feaec841966492d32394982ef51989e2b8673d7c00e103f744dd5

  • \Users\Admin\AppData\Local\Temp\7zS8863.tmp\Bv2Jbtpl.dll
    Filesize

    203KB

    MD5

    41b13b132cb601ecc466654b90296353

    SHA1

    245258ddccb48826f22d57444f49fa30be1b36fd

    SHA256

    7fa4bb68c313e1090587a64b90e87bdcbc14ea3fb7c0e8cff94c657c969b70bf

    SHA512

    0e8de7bbe3695848e299fe3f3506f2e982a60cf0a0dd11cde86de4af67ef3c7b46458680d7bad9cedaa266ea33cb2e77f2aa83fcf1bdd20bf31d1936f2bd69a6

  • memory/964-54-0x00000000753B1000-0x00000000753B3000-memory.dmp
    Filesize

    8KB

  • memory/1528-55-0x0000000000000000-mapping.dmp