Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2022 07:42

General

  • Target

    a514f5618e75e6976b61a2e2ca4f9291.exe

  • Size

    1MB

  • MD5

    a514f5618e75e6976b61a2e2ca4f9291

  • SHA1

    1f6e5ea09e3617c2113bbf0c854fa9c6ef7dbf8e

  • SHA256

    f60bcc6d90d9415a7c3c8beebdeeed867df6681880b10e925cdbc767840793ea

  • SHA512

    20ed5d38666461559a5c95321240568b77c7ef3ea5e9f66d61288d0ea6a9a863d35dd44fff4f758a050240d68febf8b38b9de3cee5ccd09509155cad3b85af00

  • SSDEEP

    24576:JAOcZe4ecyPEy42o1wW6vjOnFveUkjPV99npuezy71oporah3:jW1y4hY6teUkj9fZe6Gs

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

product62.duckdns.org:1905

goodygoody.duckdns.org:1905

Attributes
delay
3
install
false
install_file
Windows updater.exe
install_folder
%AppData%
aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Async RAT payload ⋅ 3 IoCs
  • Executes dropped EXE ⋅ 2 IoCs
  • Checks computer location settings ⋅ 2 TTPs 1 IoCs

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

  • Adds Run key to start application ⋅ 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext ⋅ 1 IoCs
  • Enumerates physical storage devices ⋅ 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses ⋅ 64 IoCs
  • Suspicious use of AdjustPrivilegeToken ⋅ 1 IoCs
  • Suspicious use of WriteProcessMemory ⋅ 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a514f5618e75e6976b61a2e2ca4f9291.exe
    "C:\Users\Admin\AppData\Local\Temp\a514f5618e75e6976b61a2e2ca4f9291.exe"
    Checks computer location settings
    Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Users\Admin\7_43\aoqpxwe.pif
      "C:\Users\Admin\7_43\aoqpxwe.pif" haxtim.apd
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        PID:4116

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

        Execution

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Privilege Escalation

                    Replay Monitor

                    00:00 00:00

                    Downloads

                    • C:\Users\Admin\7_43\aoqpxwe.pif
                      MD5

                      dd3466f64841cf21fc31f63f03dbfd29

                      SHA1

                      3878c8e52203d792c6f672595f7c78ab27ce3f04

                      SHA256

                      4fe3004208ed574521992dd1ba3d900b75a0f02f1d63ba1e531d309e85ffa06b

                      SHA512

                      adf3fe8378f7da5ba278db9a1df4cc7b5cff12398ec39ee7037382ebf57897de8bec72be64b5e7332bdb7ed865788dcb6ef4ceda6654e1153d39fe84b011b057

                    • C:\Users\Admin\7_43\aoqpxwe.pif
                      MD5

                      dd3466f64841cf21fc31f63f03dbfd29

                      SHA1

                      3878c8e52203d792c6f672595f7c78ab27ce3f04

                      SHA256

                      4fe3004208ed574521992dd1ba3d900b75a0f02f1d63ba1e531d309e85ffa06b

                      SHA512

                      adf3fe8378f7da5ba278db9a1df4cc7b5cff12398ec39ee7037382ebf57897de8bec72be64b5e7332bdb7ed865788dcb6ef4ceda6654e1153d39fe84b011b057

                    • C:\Users\Admin\7_43\fpqmvvxh.ppv
                      MD5

                      8f7afd4090dab508eda419e02b4f73e5

                      SHA1

                      e29a41526aa914a37e97ddeff800e670a41a7faf

                      SHA256

                      30b0b52b68dca6bc429edc6eed7f4f61e5481e996e88738bd4b22dc8dd8d5bfa

                      SHA512

                      00f23b4e52f94125db5146a39b022094e444317f361b1d8112f50d9d2e4d62e3d7082392a875c2a3aca66f4f60b4fdcf9bfbe449c27d2cf1ca182e4574d96c58

                    • C:\Users\Admin\7_43\hajlttccg.icm
                      MD5

                      4e4d1b73c27cf35e8e76f97086c546dd

                      SHA1

                      05f9912462a30720c1e4549e2177eecfd9ffa046

                      SHA256

                      62108ab333bcc3fa356f33398aef4d520f2365ed3639d0f486ae90c2dcfbd078

                      SHA512

                      b04143c73dbf722d477cb63bd3b6b1db24ba9e8c97b732f2634942e4b2aa67352a3af92725353dc625b7dabcd7a64b37532d7ee31b1bbdf26e3e7496eaea00a0

                    • C:\Users\Admin\7_43\haxtim.apd
                      MD5

                      0f8dbda31b556ccd2ed91705fa600d3f

                      SHA1

                      9ad66ddd6a14a06829a9f9830229ae294fb1efcc

                      SHA256

                      69321265d9e2e8ceafdf4bb4632302558385bab13afe631f430348fe4f035b50

                      SHA512

                      90c313ded54500c10eed968d0e2491e6e4b02b7adba508e63c3fc97ee4d55cf22d5cae03f2ead04f1cb9329623e81e71b15b4d51fbe23fbad7895dfa5d94ffec

                    • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
                      MD5

                      9d352bc46709f0cb5ec974633a0c3c94

                      SHA1

                      1969771b2f022f9a86d77ac4d4d239becdf08d07

                      SHA256

                      2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

                      SHA512

                      13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

                    • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
                      MD5

                      9d352bc46709f0cb5ec974633a0c3c94

                      SHA1

                      1969771b2f022f9a86d77ac4d4d239becdf08d07

                      SHA256

                      2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

                      SHA512

                      13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

                    • memory/2980-132-0x0000000000000000-mapping.dmp
                    • memory/4116-139-0x000000000120C78E-mapping.dmp
                    • memory/4116-138-0x0000000001200000-0x00000000018BD000-memory.dmp
                    • memory/4116-142-0x0000000001200000-0x0000000001212000-memory.dmp
                    • memory/4116-143-0x00000000066D0000-0x000000000676C000-memory.dmp
                    • memory/4116-144-0x0000000006D20000-0x00000000072C4000-memory.dmp
                    • memory/4116-145-0x00000000067E0000-0x0000000006846000-memory.dmp