Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-12-2022 19:08

General

  • Target

    AnyDesk.exe

  • Size

    319.2MB

  • MD5

    09ab4f1d10bd4fc4943dcf8d6b775675

  • SHA1

    342143ccfb30b0709e09041658929a8f550bb567

  • SHA256

    26869073aeaf75d56a64b8ee73ae3ebe4d559e944f8d050296ed8d05507e892c

  • SHA512

    6d28484e9b1ea256f9753a3b7e31aec8236318c7a4c892bf5c6eb9a26ce187dce39fb039776a58c2601aba6210d1bcd8fd9d3b6bd1336d246541eadec7848aed

  • SSDEEP

    12288:Dp1W1lO/xCOQ6bIdHcZ86Zu01bB9dD0QZAlp8JjH4pMGD+hklt+/ChwE3n:DpSlyQdAIdHc11Bnwzlp3pMqtgI3n

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • 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 AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
    "C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:560
    • C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
      C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4140
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe" & exit
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3960
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 6
          4⤵
          • Delays execution with timeout.exe
          PID:2328

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\mozglue.dll
    Filesize

    133KB

    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • C:\ProgramData\nss3.dll
    Filesize

    1.2MB

    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • memory/560-142-0x0000000007810000-0x0000000007E8A000-memory.dmp
    Filesize

    6.5MB

  • memory/560-136-0x0000000000000000-mapping.dmp
  • memory/560-137-0x0000000002BF0000-0x0000000002C26000-memory.dmp
    Filesize

    216KB

  • memory/560-138-0x0000000005360000-0x0000000005988000-memory.dmp
    Filesize

    6.2MB

  • memory/560-139-0x0000000005AE0000-0x0000000005B46000-memory.dmp
    Filesize

    408KB

  • memory/560-140-0x0000000005B50000-0x0000000005BB6000-memory.dmp
    Filesize

    408KB

  • memory/560-141-0x00000000061C0000-0x00000000061DE000-memory.dmp
    Filesize

    120KB

  • memory/560-143-0x00000000066D0000-0x00000000066EA000-memory.dmp
    Filesize

    104KB

  • memory/2328-172-0x0000000000000000-mapping.dmp
  • memory/3960-170-0x0000000000000000-mapping.dmp
  • memory/4140-145-0x0000000000400000-0x000000000046B000-memory.dmp
    Filesize

    428KB

  • memory/4140-146-0x0000000000400000-0x000000000046B000-memory.dmp
    Filesize

    428KB

  • memory/4140-147-0x0000000000400000-0x000000000046B000-memory.dmp
    Filesize

    428KB

  • memory/4140-148-0x0000000000400000-0x000000000046B000-memory.dmp
    Filesize

    428KB

  • memory/4140-149-0x0000000060900000-0x0000000060992000-memory.dmp
    Filesize

    584KB

  • memory/4140-144-0x0000000000000000-mapping.dmp
  • memory/4140-171-0x0000000000400000-0x000000000046B000-memory.dmp
    Filesize

    428KB

  • memory/4292-135-0x00000000059A0000-0x00000000059C2000-memory.dmp
    Filesize

    136KB

  • memory/4292-134-0x00000000057D0000-0x0000000005862000-memory.dmp
    Filesize

    584KB

  • memory/4292-133-0x0000000005CE0000-0x0000000006284000-memory.dmp
    Filesize

    5.6MB

  • memory/4292-132-0x0000000000C60000-0x0000000000D22000-memory.dmp
    Filesize

    776KB