Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-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 2 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\9735a5a6882e9fe7578d745f8a693b50.exe
    "C:\Users\Admin\AppData\Local\Temp\9735a5a6882e9fe7578d745f8a693b50.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4644
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GHDHJEBFBF.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2960
      • C:\Users\Admin\AppData\Local\Temp\GHDHJEBFBF.exe
        "C:\Users\Admin\AppData\Local\Temp\GHDHJEBFBF.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4320
        • C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe
          "C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"
          4⤵
          • Executes dropped EXE
          PID:4816

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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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\GHDHJEBFBF.exe

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

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

    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

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

    Filesize

    561.8MB

    MD5

    1907c0c7f5039ef661b0764631df3022

    SHA1

    8562e3dcad75411d5ee707f827b135f36b724814

    SHA256

    6d2a1aa9e9a91ec3b1c0c6b4084714304b82561c12f4862657088e2fbcd5a429

    SHA512

    763a85f5283ff3271a4ac5874b11fd12d409e3e8d3fa932edeb8364644fe4b39e91617f8313adb39c1425c4d288cfe21e95e72ebfbf7141ffc988d4fd13b8009

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

    Filesize

    596.7MB

    MD5

    54c11c1d76189e1a652535213dc6e591

    SHA1

    7333fe5d06dadd0d75ba29da106c7456925326b0

    SHA256

    8d4a84332777ea19012532d9ab01462b2694c91fe0ae02d18eddd71b0151646d

    SHA512

    51f1ca4bb8f2900fc2cd4014b7bb281b60bd5962245a745d94721fddc0430c27881e0f37d1b868600d526fbf3291e4b0b80f6304c7e72a529efe5c9979477ee9

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

    Filesize

    528.0MB

    MD5

    5ea61b807b1304c9ee2eb5840ddc77a7

    SHA1

    acbf95e7f7aea15fbe25255bd6842493db2c8cb5

    SHA256

    88124368336ecd336b400e98a5a60aca0d3d20d57348deb9b326ccd91f86b938

    SHA512

    c9553b978b7444cf27a25dac2e48780bf1b7ab668aa79651c566a9cba617d344f0513963d9dae6c07a690cd947fd53d50e36851ffb32272d1d584911ecd590f1

  • memory/4320-230-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/4320-248-0x00000000295A0000-0x00000000295FA000-memory.dmp

    Filesize

    360KB

  • memory/4320-250-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/4320-247-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/4320-235-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/4320-233-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/4320-234-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/4644-224-0x0000000000400000-0x000000000054C000-memory.dmp

    Filesize

    1.3MB

  • memory/4644-226-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB

  • memory/4644-134-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB

  • memory/4644-136-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB

  • memory/4644-225-0x0000000029580000-0x00000000299B3000-memory.dmp

    Filesize

    4.2MB

  • memory/4644-137-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4644-135-0x0000000029350000-0x0000000029578000-memory.dmp

    Filesize

    2.2MB

  • memory/4816-252-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB

  • memory/4816-255-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/4816-256-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/4816-259-0x0000000029560000-0x00000000295A0000-memory.dmp

    Filesize

    256KB

  • memory/4816-260-0x0000000000400000-0x0000000000759000-memory.dmp

    Filesize

    3.3MB