Resubmissions

22-02-2023 08:39

230222-kkja2sae46 10

21-02-2023 11:18

230221-neacqsee96 10

Analysis

  • max time kernel
    65s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-02-2023 11:18

General

  • Target

    file.exe

  • Size

    3.2MB

  • MD5

    16274daca70d541c57399c2156360124

  • SHA1

    4e5790cb7dbb3714d26140bd319410a90352c340

  • SHA256

    c0bfc01fc145322a9194eb2ca9d75285312805b577bcf8e6ca510d59389f4ab3

  • SHA512

    ecb87230f114d88c0adf791b32d682a97841991274e7654cd498420dc8da61e90738a04e757c3c08cf99df777e5486e4576f94157956f8ce0aba67c8e703cc53

  • SSDEEP

    98304:6CDrrzdb8PIJOvYWrn/LjdPUmTgebZ9X2IXd0v:zDvzdwgJhWrdxtbZl

Malware Config

Extracted

Family

vidar

Version

2.6

Botnet

813

Attributes
  • profile_id

    813

Extracted

Family

raccoon

Botnet

960d8047e2829c4b87de991d706e2490

C2

http://94.142.138.37/

rc4.plain

Signatures

  • Raccoon

    Raccoon is an infostealer written in C++ and first seen in 2019.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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:5072
    • C:\ProgramData\31812261443367609141.exe
      "C:\ProgramData\31812261443367609141.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:3132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3808
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 6
        3⤵
        • Delays execution with timeout.exe
        PID:4392

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\31812261443367609141.exe
    Filesize

    6.6MB

    MD5

    900d27e6128c54af6b69cf16612ef16b

    SHA1

    e21cfcd4e5767612b050ae2fed4868480af4ea1a

    SHA256

    01e388da881c2c5b5689b1c9919ee092ffd24b269e5760159c75b5478d1e4b58

    SHA512

    d4e7feedbe5294093ca4bab47c1285e3bfec493e4fd93289b355e2e056b486fe3addaa132cb03d9db86367a24d8b9129a172d1588c3bbe6abed4cbbbf67ddc5f

  • C:\ProgramData\31812261443367609141.exe
    Filesize

    6.6MB

    MD5

    900d27e6128c54af6b69cf16612ef16b

    SHA1

    e21cfcd4e5767612b050ae2fed4868480af4ea1a

    SHA256

    01e388da881c2c5b5689b1c9919ee092ffd24b269e5760159c75b5478d1e4b58

    SHA512

    d4e7feedbe5294093ca4bab47c1285e3bfec493e4fd93289b355e2e056b486fe3addaa132cb03d9db86367a24d8b9129a172d1588c3bbe6abed4cbbbf67ddc5f

  • C:\ProgramData\31812261443367609141.exe
    Filesize

    6.6MB

    MD5

    900d27e6128c54af6b69cf16612ef16b

    SHA1

    e21cfcd4e5767612b050ae2fed4868480af4ea1a

    SHA256

    01e388da881c2c5b5689b1c9919ee092ffd24b269e5760159c75b5478d1e4b58

    SHA512

    d4e7feedbe5294093ca4bab47c1285e3bfec493e4fd93289b355e2e056b486fe3addaa132cb03d9db86367a24d8b9129a172d1588c3bbe6abed4cbbbf67ddc5f

  • C:\ProgramData\MSVCP140.dll
    Filesize

    439KB

    MD5

    5ff1fca37c466d6723ec67be93b51442

    SHA1

    34cc4e158092083b13d67d6d2bc9e57b798a303b

    SHA256

    5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

    SHA512

    4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

  • C:\ProgramData\VCRUNTIME140.dll
    Filesize

    78KB

    MD5

    a37ee36b536409056a86f50e67777dd7

    SHA1

    1cafa159292aa736fc595fc04e16325b27cd6750

    SHA256

    8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

    SHA512

    3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

  • 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\mozglue.dll
    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\msvcp140.dll
    Filesize

    439KB

    MD5

    5ff1fca37c466d6723ec67be93b51442

    SHA1

    34cc4e158092083b13d67d6d2bc9e57b798a303b

    SHA256

    5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

    SHA512

    4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

  • C:\ProgramData\nss3.dll
    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • C:\ProgramData\vcruntime140.dll
    Filesize

    78KB

    MD5

    a37ee36b536409056a86f50e67777dd7

    SHA1

    1cafa159292aa736fc595fc04e16325b27cd6750

    SHA256

    8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

    SHA512

    3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

  • C:\Users\Admin\AppData\LocalLow\b70b7jp7KHZW
    Filesize

    112KB

    MD5

    780853cddeaee8de70f28a4b255a600b

    SHA1

    ad7a5da33f7ad12946153c497e990720b09005ed

    SHA256

    1055ff62de3dea7645c732583242adf4164bdcfb9dd37d9b35bbb9510d59b0a3

    SHA512

    e422863112084bb8d11c682482e780cd63c2f20c8e3a93ed3b9efd1b04d53eb5d3c8081851ca89b74d66f3d9ab48eb5f6c74550484f46e7c6e460a8250c9b1d8

  • C:\Users\Admin\AppData\LocalLow\fG84lNVsgi1O
    Filesize

    92KB

    MD5

    367544a2a5551a41c869eb1b0b5871c3

    SHA1

    9051340b95090c07deda0a1df3a9c0b9233f5054

    SHA256

    eb0e2b2ee04cab66e2f7930ea82a5f1b42469ac50e063a8492f9c585f90bc542

    SHA512

    6d1275291530cb8b9944db296c4aed376765015ad6bbf51f4475a347776c99dbb2e748d0c331d89c9e6118adf641ed10e390c8ccb8ae4de4811c858d195cc34c

  • C:\Users\Admin\AppData\LocalLow\nss3.dll
    Filesize

    1.9MB

    MD5

    f67d08e8c02574cbc2f1122c53bfb976

    SHA1

    6522992957e7e4d074947cad63189f308a80fcf2

    SHA256

    c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e

    SHA512

    2e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5

  • C:\Users\Admin\AppData\LocalLow\sqlite3.dll
    Filesize

    1.0MB

    MD5

    dbf4f8dcefb8056dc6bae4b67ff810ce

    SHA1

    bbac1dd8a07c6069415c04b62747d794736d0689

    SHA256

    47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68

    SHA512

    b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1

  • memory/3132-300-0x0000000061E00000-0x0000000061EF1000-memory.dmp
    Filesize

    964KB

  • memory/3132-248-0x0000000000EA0000-0x0000000000EA1000-memory.dmp
    Filesize

    4KB

  • memory/3132-249-0x0000000002940000-0x0000000002941000-memory.dmp
    Filesize

    4KB

  • memory/3132-250-0x0000000002950000-0x0000000002951000-memory.dmp
    Filesize

    4KB

  • memory/3132-251-0x0000000002960000-0x0000000002961000-memory.dmp
    Filesize

    4KB

  • memory/3132-252-0x0000000002970000-0x0000000002971000-memory.dmp
    Filesize

    4KB

  • memory/3132-253-0x0000000000400000-0x0000000000E35000-memory.dmp
    Filesize

    10.2MB

  • memory/3132-247-0x0000000000E90000-0x0000000000E91000-memory.dmp
    Filesize

    4KB

  • memory/3132-246-0x0000000000E80000-0x0000000000E81000-memory.dmp
    Filesize

    4KB

  • memory/5072-133-0x0000000000400000-0x00000000009AC000-memory.dmp
    Filesize

    5.7MB

  • memory/5072-244-0x0000000000400000-0x00000000009AC000-memory.dmp
    Filesize

    5.7MB

  • memory/5072-243-0x0000000000400000-0x00000000009AC000-memory.dmp
    Filesize

    5.7MB

  • memory/5072-151-0x0000000061E00000-0x0000000061EF3000-memory.dmp
    Filesize

    972KB

  • memory/5072-136-0x0000000000400000-0x00000000009AC000-memory.dmp
    Filesize

    5.7MB

  • memory/5072-134-0x0000000000400000-0x00000000009AC000-memory.dmp
    Filesize

    5.7MB

  • memory/5072-245-0x0000000000400000-0x00000000009AC000-memory.dmp
    Filesize

    5.7MB