Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 01:26

General

  • Target

    64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859.exe

  • Size

    394KB

  • MD5

    62cab8f2668425bc0e1e595528c7b93e

  • SHA1

    46f6ba786149b3e6029e4660470e28f0c9c1c96b

  • SHA256

    64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859

  • SHA512

    eb5649d17f1a54af48b60e259d03ba6fc45ffd6dc37e3972453eabec52ecfe039a42faa4c3c058c0fb53198eadc6dec880533901b051b7de6f6b12ac35d934d0

  • SSDEEP

    6144:Zs7jMI5riiD58kQd+8NUvLIktE4W1qmsDETic6xrGbV:Z9Ih3D5w48q0kt50sDETicwC

Malware Config

Extracted

Family

vidar

Version

11

Botnet

9bf5e431869643a2ac397d2dc0d687fb

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 14 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Drops startup file 64 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 64 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859.exe
    "C:\Users\Admin\AppData\Local\Temp\64e4050888a60a81125a39c3f7f97734702cc10e3ee2c7b4c1936b47a5f49859.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2576
      • C:\ProgramData\AFIEGCAECG.exe
        "C:\ProgramData\AFIEGCAECG.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1152
        • C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe
          "C:\Users\Admin\AppData\Local\Temp\Software\IDSM.exe"
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2960
          • C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe
            "C:\Users\Admin\AppData\Local\Temp\Software\MSDNG.exe" --checker
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2456
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JDHCBAEHJJJK" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\AFIEGCAECG.exe

    Filesize

    410KB

    MD5

    85a11b316f726fa24547c289aa61092e

    SHA1

    b2e79c0f56b03f4213bab0b62190666e78940b82

    SHA256

    5864b9c1714f615fa1fa40f60b9e14cfb534ec217e9e4a013fa5959217adabe8

    SHA512

    4adf0998b395e502ee2d2e3ac9e58b64a537cd82a827175866522d642ec406c704665912e228f2f3e04a69d7b716da5801553dc71991f7ceac3c3b7444f13038

  • C:\Users\Admin\AppData\Local\Temp\Cab980D.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar988D.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\IDSM_c7cdd01af5bc4a4890039b93ae7d25a9.lnk

    Filesize

    1KB

    MD5

    2956d4e71196264fc9882ae7e4800c91

    SHA1

    111caeaabed6195bd16b6e720ae05d252d416c27

    SHA256

    8fed5dea5906e33e9c4289af7b78d7b94e90c064602b3edf917f00856a72643b

    SHA512

    0abaace7cf69a0a1b3243f452807fb8f4f8fc8e4fcd85728db3afe46b693cd2c5d3364cf03fd5ec085c985afa1d277953b878fc34952c1d7663d63688570c1e8

  • \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/1152-523-0x0000000001370000-0x000000000141A000-memory.dmp

    Filesize

    680KB

  • memory/1152-514-0x000000007318E000-0x000000007318F000-memory.dmp

    Filesize

    4KB

  • memory/1152-534-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/2156-16-0x0000000074970000-0x000000007505E000-memory.dmp

    Filesize

    6.9MB

  • memory/2156-0-0x000000007497E000-0x000000007497F000-memory.dmp

    Filesize

    4KB

  • memory/2156-1-0x00000000010C0000-0x0000000001128000-memory.dmp

    Filesize

    416KB

  • memory/2456-566-0x0000000001210000-0x00000000012BA000-memory.dmp

    Filesize

    680KB

  • memory/2576-178-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-358-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-159-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-7-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-197-0x00000000204B0000-0x000000002070F000-memory.dmp

    Filesize

    2.4MB

  • memory/2576-208-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-227-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-13-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-15-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-5-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-377-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-420-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-439-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-18-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-10-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-4-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2576-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2960-547-0x00000000011B0000-0x000000000125A000-memory.dmp

    Filesize

    680KB