Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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
  • 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe
        "C:\Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1116
        • C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe
          "C:\Users\Admin\AppData\Roaming\telemetry\svcservice.exe"
          4⤵
          • Executes dropped EXE
          PID:968

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

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\AFCBFIJEHD.exe
    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

  • C:\Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe
    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

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

    377.2MB

    MD5

    92cff094694b90163f300a0a3151f6aa

    SHA1

    b1a2eeea6031c93a12793fb1bb8ecc76c2aabd08

    SHA256

    d131f2ac0da8532399baddf37404feb5b44959c0cf5c461049df6a64de3fd8f6

    SHA512

    f73a167aa9389b9852af2dc075f063bd78b1895cfbbb9ad32ccb6d137b086eaa6b3314f3010912c7bdd76add4a2df3f30891617016c2b2edf5ea27c0b350d021

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

    334.8MB

    MD5

    f164db41566d6393dd1f4d7607272368

    SHA1

    16780af7d45e1831f7d5b7fdb864f269c0ad4817

    SHA256

    6c5356cf43bbfbe1a4630bdddc1bf0665c5a80bc953c9fe19c889487f8fb68a4

    SHA512

    0225199617c33a3ee4b23c2e23d1ac38e5ca5356d37d4608ac7ca376cccfeb7adba626ea8d1b1178f646f0eeadf1b817350607d93b4ff65eabe84cf2f072e555

  • \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\AFCBFIJEHD.exe
    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

  • \Users\Admin\AppData\Local\Temp\AFCBFIJEHD.exe
    Filesize

    3.3MB

    MD5

    f00d6cb32f2c13da8b8f920c8ea33af7

    SHA1

    3c98141b93f6f44eceb0abef293bfd288f8d8db5

    SHA256

    bc04fd14960109a4ba9c93cc85f8772d7aa242700f44fd7c1e984fc3980807d1

    SHA512

    391b3a6b008dd26a56e2778578b8633e488876dbc048158eb6c2289fffde5554fba2a08fe67488083ddc6744d1135048c5a420b85c9f3cb8142dcb1ac9d0de3b

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

    389.5MB

    MD5

    4f00b450cd2632554a5feef43ec97144

    SHA1

    acef9fe4a721659723a5b1d484bd416afb41bb5c

    SHA256

    4f1998c81bf94858ca5ad69a88e4b0522c4240b8585af5afcb3145b82fd42425

    SHA512

    3dc9e638228f23d969428dc765b2f6aa93126bd29334109bf2bd7012fc2c81cb311a13923f702fda651c663c10c17ecd4731e08af3e0e24dc17fb8cafef2c312

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

    393.2MB

    MD5

    4a25729cd1a51549d44b9b231afc7590

    SHA1

    a775c370b536cbfbc15924e4417477bb946c7f78

    SHA256

    5228cd57c4300d5c9f655fab13941c3d46dce1deb27277fc5a7ab2581c007af4

    SHA512

    0b1fb58294ecd2d2a30f401f61da7a61498e5fed29ffc4f390c23e090e6010788ec378282db7d0fe6c95ea72973b726dc83e90a4ace191af87de41f466411963

  • memory/968-190-0x0000000000400000-0x0000000000759000-memory.dmp
    Filesize

    3.3MB

  • memory/968-184-0x0000000000400000-0x0000000000759000-memory.dmp
    Filesize

    3.3MB

  • memory/968-189-0x0000000029030000-0x0000000029070000-memory.dmp
    Filesize

    256KB

  • memory/1100-113-0x0000000000400000-0x0000000000544000-memory.dmp
    Filesize

    1.3MB

  • memory/1100-55-0x0000000028E20000-0x0000000029048000-memory.dmp
    Filesize

    2.2MB

  • memory/1100-58-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/1100-160-0x0000000000400000-0x0000000000544000-memory.dmp
    Filesize

    1.3MB

  • memory/1100-57-0x0000000028E20000-0x0000000029048000-memory.dmp
    Filesize

    2.2MB

  • memory/1100-161-0x0000000028E20000-0x0000000029048000-memory.dmp
    Filesize

    2.2MB

  • memory/1100-56-0x0000000028E20000-0x0000000029048000-memory.dmp
    Filesize

    2.2MB

  • memory/1116-166-0x0000000000400000-0x0000000000759000-memory.dmp
    Filesize

    3.3MB

  • memory/1116-181-0x0000000000400000-0x0000000000759000-memory.dmp
    Filesize

    3.3MB

  • memory/1116-182-0x0000000029030000-0x0000000029070000-memory.dmp
    Filesize

    256KB

  • memory/1116-173-0x0000000000400000-0x0000000000759000-memory.dmp
    Filesize

    3.3MB

  • memory/1116-171-0x0000000029030000-0x0000000029070000-memory.dmp
    Filesize

    256KB

  • memory/1116-170-0x0000000029030000-0x0000000029070000-memory.dmp
    Filesize

    256KB

  • memory/1116-169-0x0000000029030000-0x0000000029070000-memory.dmp
    Filesize

    256KB