Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    29/03/2023, 16:26

General

  • Target

    9735a5a6882e9fe7578d745f8a693b50.exe

  • Size

    1.3MB

  • MD5

    9735a5a6882e9fe7578d745f8a693b50

  • SHA1

    2cb86a0a4cafc825bf413f057ce067da7f802f74

  • SHA256

    f49d931295e2da64727db9d3d867051232d54f0b2aad5c2cee896b40aa0e86fe

  • SHA512

    7b6ded7b2dd74f399006223f523c294a546f11af9c00b5958ce6ed6734c916688ea8a59d6e961e40a65b633859b74e9f7635e100f72c0004830704d4e8a1b01b

  • SSDEEP

    24576:29Cv53II5kebo7w0AshMGqOI0LslSIpO4u6+/3:2EII5Vo7w3shHoSk+v

Malware Config

Extracted

Family

stealc

C2

http://5.75.155.1/d522566a552de05d.php

Extracted

Family

laplas

C2

http://51.195.166.203

Attributes
  • api_key

    b6fe9b83a8d3b268f74c16f34b6930cd2d2a47117a90beb53ffd773d00945a9e

Signatures

  • Detects Stealc stealer 1 IoCs
  • Laplas Clipper

    Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

  • Stealc

    Stealc is an infostealer written in C++.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9735a5a6882e9fe7578d745f8a693b50.exe
    "C:\Users\Admin\AppData\Local\Temp\9735a5a6882e9fe7578d745f8a693b50.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1064
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe
        "C:\Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1960
        • C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe
          "C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"
          4⤵
          • Executes dropped EXE
          PID:1308

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

  • C:\Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

  • C:\Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

  • C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe

    Filesize

    355.3MB

    MD5

    15fa0d78270791272b1a2ad5b4425757

    SHA1

    385a246d71d7ef84d7f5f91896305b2d4c425aee

    SHA256

    98cac83bb687aed3332234a038ae826205973b9f0f6fed949985c3965a975a01

    SHA512

    b14320a974d0c5c40153784c86dad606e2e2c7495965e7786e9be71fb9908392030f5c0454f57c497f7718b665a935dc02a2f101a777ec687511f942b7fc91f8

  • C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe

    Filesize

    343.5MB

    MD5

    96a07d3754ac549455ae9107f971baac

    SHA1

    deff7ec60bf1d47f1cb2e9a2547ec16602533ee9

    SHA256

    37b76a5ffcc60c27eed5c22bd24498f9564f8a1dddb234bfcb447f075b04dd95

    SHA512

    291df6ce61321bfb7754157acc4da030cb58c23a7b19e1eaae10fc0c9659402709fb183e5d732ae6a392665819b0e23b4135a220717a974cc1a0ab7eeafee4f3

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

  • \Users\Admin\AppData\Local\Temp\AAEGHJKJKK.exe

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

  • \Users\Admin\AppData\Roaming\telemetry\svcservice.exe

    Filesize

    362.4MB

    MD5

    a94e476450461c1ecc527fb17f47e01e

    SHA1

    35cc4c18c7a75ef59dd8e02a10926d81afd3893e

    SHA256

    943cf2e57e6475ea77e90bf13113c6bdd022191b4cb5b321ebc9514fa4ffcec6

    SHA512

    938323b89980efde69ba945d7516b500ee24badbf977d0e45a0ec87918ae69e8cab5733d6bfb37a46982562a247578e5b418f07c6a86d2e70381a9145467afce

  • \Users\Admin\AppData\Roaming\telemetry\svcservice.exe

    Filesize

    358.5MB

    MD5

    98b1d4dbecda62b23a414a8f2213dfde

    SHA1

    258aeff967e1a690662d0dfed33357779e853771

    SHA256

    1871d457767559a302ce3e774e2d82ef52f76b1776ba55366db495df89c32c47

    SHA512

    022e66da16a5cfb35f2bac943c475ef54a3d34c1e3929306b66378ccc844735b05d8b57413e9ecbbb870efcd8cb9173f44c812d0eea51bfdd1a6a7765b66eb48

  • memory/1064-56-0x0000000028E20000-0x0000000029048000-memory.dmp

    Filesize

    2.2MB

  • memory/1064-58-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1064-113-0x0000000000400000-0x000000000054C000-memory.dmp

    Filesize

    1.3MB

  • memory/1064-157-0x0000000000400000-0x000000000054C000-memory.dmp

    Filesize

    1.3MB

  • memory/1064-57-0x0000000028E20000-0x0000000029048000-memory.dmp

    Filesize

    2.2MB

  • memory/1064-158-0x0000000028E20000-0x0000000029048000-memory.dmp

    Filesize

    2.2MB

  • memory/1064-55-0x0000000028E20000-0x0000000029048000-memory.dmp

    Filesize

    2.2MB

  • memory/1308-189-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/1308-187-0x0000000029030000-0x0000000029070000-memory.dmp

    Filesize

    256KB

  • memory/1308-181-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/1960-163-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/1960-178-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/1960-179-0x0000000029030000-0x0000000029070000-memory.dmp

    Filesize

    256KB

  • memory/1960-169-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/1960-168-0x0000000029030000-0x0000000029070000-memory.dmp

    Filesize

    256KB

  • memory/1960-167-0x0000000029030000-0x0000000029070000-memory.dmp

    Filesize

    256KB

  • memory/1960-166-0x0000000029030000-0x0000000029070000-memory.dmp

    Filesize

    256KB