Analysis

  • max time kernel
    135s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-06-2023 11:16

General

  • Target

    90c4d8c8f396f66d9b556ab05344a8cd.exe

  • Size

    93KB

  • MD5

    90c4d8c8f396f66d9b556ab05344a8cd

  • SHA1

    4869f0a7a3a68f4638556e9df0eef34ea0fdc9d7

  • SHA256

    6ba3d50f87b4c2c81a8ab9247f2fafa6f4ec31d1f3acffbdb40a83ab351df9be

  • SHA512

    4d5a61a89f6e003b92f093385bd56f5d798ac73c1cc524b261a3ff704d251ef1cb450177404651b072feab954c94f617a88bdb55620920ac620c2c115d6b960f

  • SSDEEP

    1536:Irae78zjORCDGwfdCSog01313OQs5gcURDoq4OZZZLlCIibQwfclq8wJ:AahKyd2n31+Z5IRD68wbQbl4J

Malware Config

Extracted

Family

vidar

Version

4.3

Botnet

89433a6dbe159bb95b623839dcca3e27

C2

https://steamcommunity.com/profiles/76561199514261168

https://t.me/kamaprimo

Attributes
  • profile_id_v2

    89433a6dbe159bb95b623839dcca3e27

  • user_agent

    Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 44 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\90c4d8c8f396f66d9b556ab05344a8cd.exe
    "C:\Users\Admin\AppData\Local\Temp\90c4d8c8f396f66d9b556ab05344a8cd.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4624
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment0.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment0.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4256

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\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment.exe

    Filesize

    16KB

    MD5

    1b50dfac3f2bfb78cdf4601b8e1b5c61

    SHA1

    63c08f6cbc2540e0dd31e6ca0e8d649f26abc57e

    SHA256

    18101e579338bca278f44f05e1fdb3e7efdd13bc426a37bba23b6217263ebfcb

    SHA512

    d3fda38fb10d5377c033c63a81a825a04906843e4e83f33162e9f495d17ffdd17355c173aa61c8358ad8094d433bfe633de9864f4918d287c8e9ab98393177f2

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment.exe

    Filesize

    16KB

    MD5

    1b50dfac3f2bfb78cdf4601b8e1b5c61

    SHA1

    63c08f6cbc2540e0dd31e6ca0e8d649f26abc57e

    SHA256

    18101e579338bca278f44f05e1fdb3e7efdd13bc426a37bba23b6217263ebfcb

    SHA512

    d3fda38fb10d5377c033c63a81a825a04906843e4e83f33162e9f495d17ffdd17355c173aa61c8358ad8094d433bfe633de9864f4918d287c8e9ab98393177f2

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment0.exe

    Filesize

    16KB

    MD5

    3fbb7eeb588e7f4dfb7226b4c9e3b4eb

    SHA1

    2741b26fbf15dd3966ccacc70f07abc5fc3787c0

    SHA256

    adb08edeb6ecb03217dfa385358ade3e984e40ecb379ef1e83cf5ceb133044d1

    SHA512

    f8d1e43649430758d05ec2e214939b1778dafe8f731974425d8710f4d1a4afbb341deedd3bb889340889a514acd62c83b8f8378bbbe235e864fb209d2db539d7

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lieequipment0.exe

    Filesize

    16KB

    MD5

    3fbb7eeb588e7f4dfb7226b4c9e3b4eb

    SHA1

    2741b26fbf15dd3966ccacc70f07abc5fc3787c0

    SHA256

    adb08edeb6ecb03217dfa385358ade3e984e40ecb379ef1e83cf5ceb133044d1

    SHA512

    f8d1e43649430758d05ec2e214939b1778dafe8f731974425d8710f4d1a4afbb341deedd3bb889340889a514acd62c83b8f8378bbbe235e864fb209d2db539d7

  • memory/2904-171-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-181-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-142-0x0000000006990000-0x0000000006F34000-memory.dmp

    Filesize

    5.6MB

  • memory/2904-143-0x00000000064E0000-0x0000000006572000-memory.dmp

    Filesize

    584KB

  • memory/2904-144-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-145-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-147-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-149-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-151-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-153-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-155-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-157-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-159-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-161-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-163-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-165-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-167-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-169-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-140-0x00000000006C0000-0x00000000006CA000-memory.dmp

    Filesize

    40KB

  • memory/2904-173-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-175-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-177-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-179-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-141-0x0000000005170000-0x0000000005180000-memory.dmp

    Filesize

    64KB

  • memory/2904-183-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-185-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-187-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-189-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-191-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-193-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-195-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-197-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-199-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-201-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-203-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-205-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-207-0x00000000062F0000-0x00000000063B5000-memory.dmp

    Filesize

    788KB

  • memory/2904-1066-0x0000000005970000-0x0000000005971000-memory.dmp

    Filesize

    4KB

  • memory/2904-1067-0x0000000005170000-0x0000000005180000-memory.dmp

    Filesize

    64KB

  • memory/4256-1075-0x0000026E07180000-0x0000026E0718A000-memory.dmp

    Filesize

    40KB

  • memory/4256-1085-0x0000026E21700000-0x0000026E21710000-memory.dmp

    Filesize

    64KB

  • memory/4256-2079-0x0000026E08E70000-0x0000026E08E71000-memory.dmp

    Filesize

    4KB

  • memory/4256-2080-0x0000026E21700000-0x0000026E21710000-memory.dmp

    Filesize

    64KB

  • memory/4624-1076-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/4624-1535-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB