Analysis

  • max time kernel
    140s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-06-2023 15:30

General

  • Target

    cd1bb3e15e00395238f8f995f0f206bde69479d422c119517685fd009e951218.dll

  • Size

    2.9MB

  • MD5

    71c3d24af19ec09608dabf93f56e8c80

  • SHA1

    3da1104b67c1509c27c1236369016594a0641048

  • SHA256

    cd1bb3e15e00395238f8f995f0f206bde69479d422c119517685fd009e951218

  • SHA512

    0043022ac9ba177b19c04105c55cb6c75ca0d1aeb3f029cd1afe1dfee196306d4f55b481523a22ec61ab889508117d37b1f08ae642da270f171f83e8b2296a5e

  • SSDEEP

    49152:/q3jDLMcXShsmWF73/YqYAWysjU3BFFspj2xI8g7k/Y2idB+V:0vFSmlhYAWyssBFFAGInwidC

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Adds Run key to start application 2 TTPs 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd1bb3e15e00395238f8f995f0f206bde69479d422c119517685fd009e951218.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cd1bb3e15e00395238f8f995f0f206bde69479d422c119517685fd009e951218.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Adds Run key to start application
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1004
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic cpu get processorid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4560
      • C:\Windows\SysWOW64\Wbem\wmic.exe
        wmic diskdrive get serialnumber
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1808

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1004-133-0x0000000075290000-0x000000007582A000-memory.dmp
    Filesize

    5.6MB

  • memory/1004-134-0x0000000075290000-0x000000007582A000-memory.dmp
    Filesize

    5.6MB

  • memory/1004-135-0x0000000075290000-0x000000007582A000-memory.dmp
    Filesize

    5.6MB

  • memory/1004-136-0x0000000075290000-0x000000007582A000-memory.dmp
    Filesize

    5.6MB

  • memory/1004-137-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-140-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-143-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-141-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-145-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-146-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-148-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-149-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-151-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-153-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-156-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-155-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-157-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-160-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-159-0x0000000010000000-0x000000001017D000-memory.dmp
    Filesize

    1.5MB

  • memory/1004-161-0x0000000075290000-0x000000007582A000-memory.dmp
    Filesize

    5.6MB

  • memory/1004-173-0x0000000075290000-0x000000007582A000-memory.dmp
    Filesize

    5.6MB

  • memory/1004-174-0x0000000075290000-0x000000007582A000-memory.dmp
    Filesize

    5.6MB