Analysis

  • max time kernel
    147s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2023 06:34

General

  • Target

    file.exe

  • Size

    1.3MB

  • MD5

    ceb62b6ac343ec808a818267e0ef4f6b

  • SHA1

    d936107b1ebd5afe7c61db40c651c583b8b58487

  • SHA256

    e08ffdbd935971d2ad62d3ecdb736d34302a230485de662a7f6fab81f39df48b

  • SHA512

    88b4ed35a22a2dd19d3ee81f8dddfca9e2a871475ce965a5d0038612266d68fe2e50d9d53a89eba9d37f309c614eb218dfb25e75a20ac56ac54e753eca1c6a47

  • SSDEEP

    24576:pYEtXdWl96ju5KGkcIGFI+kMixFDEHq55LOw:/Lg4sKG/IGFQXxZf55Lj

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JECGIIIDAK.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1252
      • C:\Users\Admin\AppData\Local\Temp\JECGIIIDAK.exe
        "C:\Users\Admin\AppData\Local\Temp\JECGIIIDAK.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1944
        • C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe
          "C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"
          4⤵
          • Executes dropped EXE
          PID:2824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

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

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

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

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

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

    Filesize

    584.1MB

    MD5

    46b64ab23b46d4252cefd18985b30de0

    SHA1

    c80544897a8c42b17a95c8077c6857e4fe59b1f7

    SHA256

    8c7f09168b6ea2f4a51162f068cd4fd7a33414be5920d40c5a1f979dad6e16d1

    SHA512

    ddb35380957f7edbbd45b176caf55108b7cce136f9ce29c4e8644b82d0e92f4641d33a152dd5a1ad60251ab60ba1c9f50f939542fa62d4dd29d3ca83206ab18b

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

    Filesize

    517.6MB

    MD5

    243a2d0bf25d8c137d3e5e380bf44b12

    SHA1

    9204fa8ddd33b478768d5d9df6dd36c13b85d518

    SHA256

    c65074369112218a471b6902a5f5760e0f9fce41d71fefb3f76ca6147c7311c0

    SHA512

    6874f664365ba10b719c0235b7d1633ad7143d96d083f13662497968de2ac5c89f35c3563c2425a08ff505079575b8ee2fad72417d65726fde12be664c71545d

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

    Filesize

    630.6MB

    MD5

    7cb600834701cb9173cc83cf33336f19

    SHA1

    7846143f72c6316bd16ed61b18e90ea58e5bd2f3

    SHA256

    edfeb95421a2ed3c1c92ad64f8bdc8b5914ded2a7a2fd4fdeac7164c3b2e22fb

    SHA512

    4da92c66916cfa6d9caad06d29f86f4186c0532bdd6129c0e0261047f011f9958612e7bb795d504155e94173431d0e05270d7d8192228e071827927fa4810945

  • memory/1944-242-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/1944-240-0x00000000295A0000-0x00000000295FA000-memory.dmp

    Filesize

    360KB

  • memory/1944-221-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/1944-224-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/1944-225-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/1944-226-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/1944-238-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/2824-252-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/2824-250-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/2824-246-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/2824-247-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/2824-243-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/4344-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4344-135-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB

  • memory/4344-134-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB

  • memory/4344-136-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB

  • memory/4344-214-0x0000000029580000-0x00000000299B3000-memory.dmp

    Filesize

    4.2MB

  • memory/4344-213-0x0000000000400000-0x0000000000544000-memory.dmp

    Filesize

    1.3MB

  • memory/4344-215-0x0000000000400000-0x0000000000544000-memory.dmp

    Filesize

    1.3MB

  • memory/4344-217-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB