Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    11-07-2024 12:18

General

  • Target

    softorganizer.exe

  • Size

    5.4MB

  • MD5

    d7a35e65bb9b48b344ee09594ac3193d

  • SHA1

    face507db72044c594b930f0adc1cf6e841a2963

  • SHA256

    e65f08b6749e63fea544cd201161e63abe6925e0e739faddda2bd4af5af56b97

  • SHA512

    7122170e3b7edf14c96d04237e01015f3341182fbf5f8f7bf849d53fc04aee46b07ab7eae9a61e519ad52eff4f9af11e61ca0ade2f1dd784884e6e52f6f07090

  • SSDEEP

    98304:nzDWWQWDUAe4qfKOmBKtFr8yVkLZeulQ:zFQWYAegO1TVtB

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199735694209

https://t.me/puffclou

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.1) Gecko/20100101 Firefox/128.1

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 14 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\softorganizer.exe
    "C:\Users\Admin\AppData\Local\Temp\softorganizer.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\ProgramData\GDHIDHIEGI.exe
        "C:\ProgramData\GDHIDHIEGI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2404
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 112
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:960
      • C:\ProgramData\KEBFHIJECF.exe
        "C:\ProgramData\KEBFHIJECF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1656
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 112
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1312
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHDHCGHDHIDH" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • Delays execution with timeout.exe
          PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab3822.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar3845.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \ProgramData\GDHIDHIEGI.exe

    Filesize

    508KB

    MD5

    5dcb471423fbb62d7c218760aee4936d

    SHA1

    7d72a2295639a8702ecdb77cc020b7a9eef48b04

    SHA256

    837340da10b33b25bca1c15db3b273bfde18110b46949e8c545f31756e7b44bd

    SHA512

    d8febe1cc91bbacd1b0298eb88d0d25f7789ee962f4d4717cb74ca1d1081ecab78a4062923b31386bcae141900ee99c182836e52bbb4b9f362cd8bdf687dc736

  • \ProgramData\KEBFHIJECF.exe

    Filesize

    442KB

    MD5

    0b4cc01ce62da8ed72b98a896c11c1dd

    SHA1

    eb87a11df4f7a0066389094ee9ba8a4e189794ad

    SHA256

    6ab0929361ee1a7fdc900bb0f6e50e999183a7c1aef1f44951b7847e86dfd3bc

    SHA512

    b24fb55140210cc3c8d5f2dec84f36314a93397351a7109701b05dcb47cfbaf437c74fcafb551d8a96e845ea656a5c618b4a229c6acba8c2d0ed3849ccc48b8d

  • \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

  • memory/2016-39-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-27-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-5-0x0000000000580000-0x000000000059C000-memory.dmp

    Filesize

    112KB

  • memory/2016-6-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-9-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-11-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-35-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-51-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-61-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-59-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-57-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-55-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-53-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-49-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-47-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-45-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-43-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-41-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-3-0x0000000005280000-0x000000000548A000-memory.dmp

    Filesize

    2.0MB

  • memory/2016-37-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-33-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-31-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-29-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-4-0x0000000005860000-0x00000000059B4000-memory.dmp

    Filesize

    1.3MB

  • memory/2016-25-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-23-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-21-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-19-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-17-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-15-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-13-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-8-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-65-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-63-0x0000000000580000-0x0000000000595000-memory.dmp

    Filesize

    84KB

  • memory/2016-74-0x0000000074AE0000-0x00000000751CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-77-0x0000000074AE0000-0x00000000751CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-2-0x0000000074AE0000-0x00000000751CE000-memory.dmp

    Filesize

    6.9MB

  • memory/2016-1-0x0000000000AF0000-0x0000000001054000-memory.dmp

    Filesize

    5.4MB

  • memory/2016-0-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

    Filesize

    4KB

  • memory/2880-67-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2880-69-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2880-68-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2880-66-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2880-76-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB

  • memory/2880-630-0x0000000000400000-0x0000000000648000-memory.dmp

    Filesize

    2.3MB