Analysis

  • max time kernel
    37s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 22:17

General

  • Target

    90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b.exe

  • Size

    4.9MB

  • MD5

    41ac90258118db6451923a812891cb49

  • SHA1

    0976b848c6e1b32e1a14285c449b21f75985e089

  • SHA256

    90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b

  • SHA512

    33ce39732177f841445a77891309d880027dac7130913762de03559b2445d7a771b27408ccc8e53a0965d288d598a0e922c760c97512a1eb62985ed398076a64

  • SSDEEP

    98304:tmLatjKCAZxprPZsMXeBZwXFXZv9GDvy:tFKCspGNT2FXsvy

Malware Config

Signatures

  • Registers COM server for autorun 1 TTPs 4 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 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 8 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
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b.exe
    "C:\Users\Admin\AppData\Local\Temp\90426d949bc3cfdf69cfb9ff96d9db690a2eef522362392ca79816567940836b.exe"
    1⤵
    • Loads dropped DLL
    • Drops Chrome extension
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1416
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:772
      • C:\Windows\system32\regsvr32.exe
        /s "C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll"
        3⤵
        • Registers COM server for autorun
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:1404

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

3
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)\PriceLess\Mgyy4QeKhaRhpW.dat
    Filesize

    3KB

    MD5

    6ff1f73ba5d9c0de3534756be5d15541

    SHA1

    882911ff975ceb976768648d9a45a88710891d53

    SHA256

    a350f445d685c218e9072079fe8e2af2637c623ba383dc348272ecd61f63cfe5

    SHA512

    4b9d050e2ea999dfef527aefa70387d1ba18dd5fa9c70221d3c246a9bfab9478992fb16a981aeec0dc67d80405da7407a3cd54fae736ccca1b78f4cec15de606

  • C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.tlb
    Filesize

    3KB

    MD5

    a53666f65acdecc0d572a5169e73ab5e

    SHA1

    e4c88d2ef83bc866982e04f1bf3d52fe4726b281

    SHA256

    45d684877db3e6389f4dd7b3d45ae3c23584ec9723b2604f1c903887b8b56f34

    SHA512

    3c3e213075e83e45e57bc3acc5230fc717dd414ab993311adc3abc7cdfa9dc7336469b470db7b0b2b6fe1c7ca71b9854f969707bbccab6c943f5102060d3a4e8

  • C:\Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll
    Filesize

    872KB

    MD5

    f7e2067dcbc86670ee7b0802ec3e1411

    SHA1

    1eeffc346d2b66063fb83d43fef22643ef27a085

    SHA256

    9ded0469198438078d0fe57070761b9790d929136c96a17eadbd901576003dbd

    SHA512

    a5dc36649c8c4e13e7a821e1e8f24c3c59a7d57d21b430ad742bba4ece9c93ad738d07e10c33a1411478ce1aaa6d48d3420cf2d25904f951fd79fa0aa5a65162

  • \Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.dll
    Filesize

    742KB

    MD5

    c0c014572e3147c3bb500c93bc3f6294

    SHA1

    3295174c155a3ac5d9b35af8d6bcceb5c16ec07f

    SHA256

    b7e56d9a1febd14ef2bfd19e3d601b840df49730dd8c717797f3ee42d4c68a52

    SHA512

    26e39080828bea021bfc20fe494c23b42fb2a1f5eea647624d86af9fc8fe7eb9f65d122bdd06962728578a783dc05c7f050f69c37990c5cef84abc2ada689178

  • \Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll
    Filesize

    872KB

    MD5

    f7e2067dcbc86670ee7b0802ec3e1411

    SHA1

    1eeffc346d2b66063fb83d43fef22643ef27a085

    SHA256

    9ded0469198438078d0fe57070761b9790d929136c96a17eadbd901576003dbd

    SHA512

    a5dc36649c8c4e13e7a821e1e8f24c3c59a7d57d21b430ad742bba4ece9c93ad738d07e10c33a1411478ce1aaa6d48d3420cf2d25904f951fd79fa0aa5a65162

  • \Program Files (x86)\PriceLess\Mgyy4QeKhaRhpW.x64.dll
    Filesize

    872KB

    MD5

    f7e2067dcbc86670ee7b0802ec3e1411

    SHA1

    1eeffc346d2b66063fb83d43fef22643ef27a085

    SHA256

    9ded0469198438078d0fe57070761b9790d929136c96a17eadbd901576003dbd

    SHA512

    a5dc36649c8c4e13e7a821e1e8f24c3c59a7d57d21b430ad742bba4ece9c93ad738d07e10c33a1411478ce1aaa6d48d3420cf2d25904f951fd79fa0aa5a65162

  • memory/772-61-0x0000000000000000-mapping.dmp
  • memory/1404-65-0x0000000000000000-mapping.dmp
  • memory/1404-66-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp
    Filesize

    8KB

  • memory/1416-54-0x0000000075F01000-0x0000000075F03000-memory.dmp
    Filesize

    8KB

  • memory/1416-55-0x0000000002CF0000-0x0000000002DB8000-memory.dmp
    Filesize

    800KB