Analysis

  • max time kernel
    101s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2022 18:00

General

  • Target

    AnyDeskEN.exe

  • Size

    6.1MB

  • MD5

    81a222d0d359ab9104a587a08786abbc

  • SHA1

    4b251260608828f6ce41f4244dcdb8ebe1e5a0b4

  • SHA256

    1a9b00b4d133278901dc941c88bd83708782fa93293b00f775a7ebff4dc8d26a

  • SHA512

    310b05803327b1c1ec343918cff097b1f63c75d7ff704bffa7ee15cd22925fd6d6a5d32f6276e46706d810f656a28868cae3feb0c5d14b87e30ca288d5a81642

Malware Config

Extracted

Path

C:\Restore-My-Files.txt

Family

darkylock

Ransom Note
---------- Hello ----------- ***WELCOME TO DARKY LOCK *** Your computers and servers are encrypted, and backups are deleted. We use strong encryption algorithms, so no one has yet been able to decrypt their files without our participation. The only way to decrypt your files is to purchase a universal decoder from us, which will restore all the encrypted data and your network. Follow our instructions below, and you will recover all your data: 1) Pay 0.005 bitcoin to 1E6cvG6iEbufvYspsDa3XQ3WJgEMvRTm9i 2) Send us message with transaction id to darkysupp@tuta.io 3) Launch decrypt_bit.exe, which our support will send you through email What guarantees? ------------------ We value our reputation. If we will not do our work and liabilities, nobody will pay us. This is not in our interests. All our decryption software is tested by time and will decrypt all your data. ------------------ $> Life is too short to be sad. Be not sad, money, it is only paper <$ !!! DO NOT TRY TO RECOVER ANY FILES YOURSELF. WE WILL NOT BE ABLE TO RESTORE THEM!!!
Emails

darkysupp@tuta.io

Wallets

1E6cvG6iEbufvYspsDa3XQ3WJgEMvRTm9i

Signatures

  • DarkyLock

    Ransomware family first seen in July 2022.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Modifies extensions of user files 9 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Themida packer 7 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 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.

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AnyDeskEN.exe
    "C:\Users\Admin\AppData\Local\Temp\AnyDeskEN.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE
      "C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4192
      • C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE
        "C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE" --local-service
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:4288
      • C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE
        "C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE" --local-control
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:1708
    • C:\Users\Admin\AppData\Local\Temp\MSSERVICE.EXE
      "C:\Users\Admin\AppData\Local\Temp\MSSERVICE.EXE"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Modifies extensions of user files
      • Checks BIOS information in registry
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Enumerates connected drives
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3944
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:1372
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4724
        • C:\Windows\system32\vssadmin.exe
          vssadmin.exe delete shadows /all /quiet
          4⤵
          • Interacts with shadow copies
          PID:2436
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3752

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Deletion

2
T1107

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE
    Filesize

    3.7MB

    MD5

    36d6be2d72171c741e2989a578011cd8

    SHA1

    a1d46b3c7418d8d29208f352e27f5c9af62006e9

    SHA256

    7c20393e638d2873153d2873f04464d4bad32a4d40eabb48d66608650f7d4494

    SHA512

    b686a2963dd4679101eaedafc4cdd62450e91d91a59d19cf0f37bd0df76bdddfecdf66efa1dfa4a7a6390ddc37bfdbeb1fff49d1db4773fb9b718df0810dd659

  • C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE
    Filesize

    3.7MB

    MD5

    36d6be2d72171c741e2989a578011cd8

    SHA1

    a1d46b3c7418d8d29208f352e27f5c9af62006e9

    SHA256

    7c20393e638d2873153d2873f04464d4bad32a4d40eabb48d66608650f7d4494

    SHA512

    b686a2963dd4679101eaedafc4cdd62450e91d91a59d19cf0f37bd0df76bdddfecdf66efa1dfa4a7a6390ddc37bfdbeb1fff49d1db4773fb9b718df0810dd659

  • C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE
    Filesize

    3.7MB

    MD5

    36d6be2d72171c741e2989a578011cd8

    SHA1

    a1d46b3c7418d8d29208f352e27f5c9af62006e9

    SHA256

    7c20393e638d2873153d2873f04464d4bad32a4d40eabb48d66608650f7d4494

    SHA512

    b686a2963dd4679101eaedafc4cdd62450e91d91a59d19cf0f37bd0df76bdddfecdf66efa1dfa4a7a6390ddc37bfdbeb1fff49d1db4773fb9b718df0810dd659

  • C:\Users\Admin\AppData\Local\Temp\ANYDESK.EXE
    Filesize

    3.7MB

    MD5

    36d6be2d72171c741e2989a578011cd8

    SHA1

    a1d46b3c7418d8d29208f352e27f5c9af62006e9

    SHA256

    7c20393e638d2873153d2873f04464d4bad32a4d40eabb48d66608650f7d4494

    SHA512

    b686a2963dd4679101eaedafc4cdd62450e91d91a59d19cf0f37bd0df76bdddfecdf66efa1dfa4a7a6390ddc37bfdbeb1fff49d1db4773fb9b718df0810dd659

  • C:\Users\Admin\AppData\Local\Temp\MSSERVICE.EXE
    Filesize

    2.4MB

    MD5

    b6ddc7f40dfad3f93e84d72b458e4061

    SHA1

    308219cc73f79f02b4558bb5db6833586cffb510

    SHA256

    565f3fe041df5dcf8e6bb6cbffddcbf691364e5f80514eeb9e5dac2c41dbfd31

    SHA512

    ca27163dd9805d641001913912559eb1eb6d746bd77c3e74a2dcda48d0ad9152ade824db5c297712fe993fb12c81f250ac639fc74203daaf4a7b190bd0c7bc5f

  • C:\Users\Admin\AppData\Local\Temp\MSSERVICE.EXE
    Filesize

    2.4MB

    MD5

    b6ddc7f40dfad3f93e84d72b458e4061

    SHA1

    308219cc73f79f02b4558bb5db6833586cffb510

    SHA256

    565f3fe041df5dcf8e6bb6cbffddcbf691364e5f80514eeb9e5dac2c41dbfd31

    SHA512

    ca27163dd9805d641001913912559eb1eb6d746bd77c3e74a2dcda48d0ad9152ade824db5c297712fe993fb12c81f250ac639fc74203daaf4a7b190bd0c7bc5f

  • C:\Users\Admin\AppData\Roaming\AnyDesk\ad.trace
    Filesize

    8KB

    MD5

    3c879d2c1d89b929e7d9e6acf6d4de2b

    SHA1

    404631ab3168ed32184265c6ac4a3d91dd0cc83e

    SHA256

    e292accfa4703588af519cdd0227a64cd9b3e38a1de5e0f9a89546bedf3585d9

    SHA512

    4d8245a875b332f95a898309fb4bfaf0f36bfb0e1e001c921cb6756409528464612194f66b22a82afbf413fafcf7cee4ccd4109ea6d5f1f52430cae5e9098efe

  • C:\Users\Admin\AppData\Roaming\AnyDesk\ad.trace
    Filesize

    8KB

    MD5

    3c879d2c1d89b929e7d9e6acf6d4de2b

    SHA1

    404631ab3168ed32184265c6ac4a3d91dd0cc83e

    SHA256

    e292accfa4703588af519cdd0227a64cd9b3e38a1de5e0f9a89546bedf3585d9

    SHA512

    4d8245a875b332f95a898309fb4bfaf0f36bfb0e1e001c921cb6756409528464612194f66b22a82afbf413fafcf7cee4ccd4109ea6d5f1f52430cae5e9098efe

  • C:\Users\Admin\AppData\Roaming\AnyDesk\service.conf
    Filesize

    2KB

    MD5

    89b3e17d746b200c79d68832899a5ec4

    SHA1

    c6c6068f7d6e03f77b4ed830583f3babc1c22ff4

    SHA256

    4c0fc419d17af78bc1edc0aaac7cd773a2d987d9dc3d4a40802ccf95fb326f98

    SHA512

    27db4e026f50eb0bd5566620d071132b26be2c109aff059fa2e0a91ca35e03ab86cc17defe814f1b8e0aa669605442f22e6effa1bfd02ab69cfb094935bfb598

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    283B

    MD5

    979412445e04edddb523bbf64f2d9e25

    SHA1

    c627de03ba6be7c2e52c4ac0c8494b250f8ea4fb

    SHA256

    c253a9db55efeb183543baa5965f0d279b0e4ecd7e6211e231e8e8f5c8dfe596

    SHA512

    f548475ee4e83bfe01c39444c90502f86cf5245eb51335d3d13186b967df0f7cacaf9ce5125f3ce104e08a1f27c215af08bf185afe771d74ee5c0872aa7f4c3d

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    589d1276990498af2551753383b84d19

    SHA1

    ab67e458a2ed937f024ee18bdfbfba1679d26bc9

    SHA256

    b5acfd65239b54ec8ffe57e978c276da761ad6504c178281bfdc626cf3ec8110

    SHA512

    e8350ea832422bd2aaec9a54e2d2ad74b5c7a404b68574fc4fe79cf192b6e49a660613b2ffb101a15bdc564a757ca56d806313094610dea3994826ab6fdd38f3

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    0a73628d813dad993f125864e607b17b

    SHA1

    aa16baa1dba19217bb35ff1be71ea1143240b1f7

    SHA256

    fdf307056e019cd5131d736124cfbd6900d4761140a5d5c57681802f972785ae

    SHA512

    a38ca3295ba8d20c86419d3d1a0a6ee269f2659cfee218aa086509353dbdf43cfb67872dd0614671925a102990d3d64d77738bf2d2b71f3d6d807dc0b723f532

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    589d1276990498af2551753383b84d19

    SHA1

    ab67e458a2ed937f024ee18bdfbfba1679d26bc9

    SHA256

    b5acfd65239b54ec8ffe57e978c276da761ad6504c178281bfdc626cf3ec8110

    SHA512

    e8350ea832422bd2aaec9a54e2d2ad74b5c7a404b68574fc4fe79cf192b6e49a660613b2ffb101a15bdc564a757ca56d806313094610dea3994826ab6fdd38f3

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    0a73628d813dad993f125864e607b17b

    SHA1

    aa16baa1dba19217bb35ff1be71ea1143240b1f7

    SHA256

    fdf307056e019cd5131d736124cfbd6900d4761140a5d5c57681802f972785ae

    SHA512

    a38ca3295ba8d20c86419d3d1a0a6ee269f2659cfee218aa086509353dbdf43cfb67872dd0614671925a102990d3d64d77738bf2d2b71f3d6d807dc0b723f532

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    589d1276990498af2551753383b84d19

    SHA1

    ab67e458a2ed937f024ee18bdfbfba1679d26bc9

    SHA256

    b5acfd65239b54ec8ffe57e978c276da761ad6504c178281bfdc626cf3ec8110

    SHA512

    e8350ea832422bd2aaec9a54e2d2ad74b5c7a404b68574fc4fe79cf192b6e49a660613b2ffb101a15bdc564a757ca56d806313094610dea3994826ab6fdd38f3

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    0a73628d813dad993f125864e607b17b

    SHA1

    aa16baa1dba19217bb35ff1be71ea1143240b1f7

    SHA256

    fdf307056e019cd5131d736124cfbd6900d4761140a5d5c57681802f972785ae

    SHA512

    a38ca3295ba8d20c86419d3d1a0a6ee269f2659cfee218aa086509353dbdf43cfb67872dd0614671925a102990d3d64d77738bf2d2b71f3d6d807dc0b723f532

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    589d1276990498af2551753383b84d19

    SHA1

    ab67e458a2ed937f024ee18bdfbfba1679d26bc9

    SHA256

    b5acfd65239b54ec8ffe57e978c276da761ad6504c178281bfdc626cf3ec8110

    SHA512

    e8350ea832422bd2aaec9a54e2d2ad74b5c7a404b68574fc4fe79cf192b6e49a660613b2ffb101a15bdc564a757ca56d806313094610dea3994826ab6fdd38f3

  • C:\Users\Admin\AppData\Roaming\AnyDesk\system.conf
    Filesize

    395B

    MD5

    0a73628d813dad993f125864e607b17b

    SHA1

    aa16baa1dba19217bb35ff1be71ea1143240b1f7

    SHA256

    fdf307056e019cd5131d736124cfbd6900d4761140a5d5c57681802f972785ae

    SHA512

    a38ca3295ba8d20c86419d3d1a0a6ee269f2659cfee218aa086509353dbdf43cfb67872dd0614671925a102990d3d64d77738bf2d2b71f3d6d807dc0b723f532

  • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf
    Filesize

    1KB

    MD5

    53fded862023b056fa0ffc9877b4b68c

    SHA1

    9853ecdf84b820d06e934988187ddd1272d8e3e8

    SHA256

    09698a0a0061aef27286209f7677dbae47173cb1851684f86e00f34f07d310b3

    SHA512

    1fb792afa5ba887e51c1ab1cd035d8a4cead7a43bfa53f6138196ad32a7376ffae951a71202da738eb9b0e9b2ac247f6a6dfa62177da2c6b1abc09b227598cda

  • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf
    Filesize

    1KB

    MD5

    53fded862023b056fa0ffc9877b4b68c

    SHA1

    9853ecdf84b820d06e934988187ddd1272d8e3e8

    SHA256

    09698a0a0061aef27286209f7677dbae47173cb1851684f86e00f34f07d310b3

    SHA512

    1fb792afa5ba887e51c1ab1cd035d8a4cead7a43bfa53f6138196ad32a7376ffae951a71202da738eb9b0e9b2ac247f6a6dfa62177da2c6b1abc09b227598cda

  • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf
    Filesize

    1KB

    MD5

    a4112888f4096790cf1d9e7ac50981cd

    SHA1

    3b09f7152728e3e5d4f7e7926a528171960938d1

    SHA256

    570465f082c66ad8f5a089979c86a94bca134ab7ddb67df38dad22b01d794381

    SHA512

    bd21b566de3ab35ec28629e476e283d3ce61f996e8a38d293f493ff1d232989285c1d4ba904fdf4c6dd9b489e151a3cbc32623c3723e299cf21bc6668163a887

  • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf
    Filesize

    1KB

    MD5

    0dd5774e92d9924570f2e08ca9009a8e

    SHA1

    43635d8eae292389c5819f15063c96022890f0c8

    SHA256

    194f794dc778f22e85b315d388cb68605e24242385a7af749312ea86efe92388

    SHA512

    9e71dc31ce9373fd4e25ed02b4e10bd63b112aa9df37ce44134e0712c124bd98b2f744681aec3bbfb590e36eed7af74c8aeab2ca23d670e266cee8a4bb520e0b

  • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf
    Filesize

    1KB

    MD5

    8f52ee4c9ded198993e00c0b5cb60906

    SHA1

    477a7019785632dfa22730107bb3a84e81fc2cfd

    SHA256

    6ee014ad11f2ac970b0e6dcf9981870acdf69f3e65e6cde948abdeacc6d4b881

    SHA512

    5a5f1dfe2dbb0f8a9cbf0c5fcbc90ed3de9bd73fbe01ae5fb402e82a5f0ec44fe267c95d9896a989252bd1d941dcfbb1e6e89e1b5da009cea45825b5634e5771

  • C:\Users\Admin\AppData\Roaming\AnyDesk\user.conf
    Filesize

    1KB

    MD5

    c30cd9652c40652e8d8839aff872aeee

    SHA1

    45ef9b7915123a6b656b8789effe93da74d2c2e9

    SHA256

    401bc1f3e620d3f4a5b336d071a891867677de152eff59899998e728a4682a45

    SHA512

    e9b5771cd7686bc991fc5e0bc52d7f7a4e8f5b1f93b9fcd610675274373beab0185c1711d2473f25da3b4d64d654a1a1b17d51065718000035a73dd77ce26f41

  • memory/1372-154-0x0000000000000000-mapping.dmp
  • memory/1708-147-0x0000000000000000-mapping.dmp
  • memory/1708-184-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/1708-172-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/1708-151-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/2436-168-0x0000000000000000-mapping.dmp
  • memory/3560-138-0x00000000004A0000-0x0000000000B05000-memory.dmp
    Filesize

    6.4MB

  • memory/3560-137-0x00000000004A0000-0x0000000000B05000-memory.dmp
    Filesize

    6.4MB

  • memory/3560-165-0x0000000077820000-0x00000000779C3000-memory.dmp
    Filesize

    1.6MB

  • memory/3560-169-0x00000000004A0000-0x0000000000B05000-memory.dmp
    Filesize

    6.4MB

  • memory/3560-170-0x0000000077820000-0x00000000779C3000-memory.dmp
    Filesize

    1.6MB

  • memory/3560-164-0x00000000004A0000-0x0000000000B05000-memory.dmp
    Filesize

    6.4MB

  • memory/3560-134-0x0000000000000000-mapping.dmp
  • memory/3560-141-0x00000000004A0000-0x0000000000B05000-memory.dmp
    Filesize

    6.4MB

  • memory/3560-142-0x0000000077820000-0x00000000779C3000-memory.dmp
    Filesize

    1.6MB

  • memory/3944-143-0x0000000000000000-mapping.dmp
  • memory/4192-179-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/4192-144-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/4192-132-0x0000000000000000-mapping.dmp
  • memory/4192-139-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/4192-166-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/4288-171-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/4288-182-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/4288-146-0x0000000000000000-mapping.dmp
  • memory/4288-150-0x0000000000510000-0x00000000014A3000-memory.dmp
    Filesize

    15.6MB

  • memory/4724-167-0x0000000000000000-mapping.dmp