Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    04-07-2022 07:14

General

  • Target

    Re Order 4500324718-CIMELECT.jar

  • Size

    694KB

  • MD5

    7c5d4887188330ff9c6eb853f2e58847

  • SHA1

    91fdfe9ee9bc580ec2440f7485f71e3d34d4c883

  • SHA256

    ead8106d04189a9765d0e125d5d504e30c2c1bc3223a8d9d3ee897af82846b96

  • SHA512

    7b907daaf146bbc06657d33f7a7b5e0254615c080de46ebabb16fea282b0cea67dcb164c0a42a489fbcd7ca70624aef19d58ddc2ae36571867225f936c01f12f

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

franmhort.duia.ro:8153

Mutex

Mutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    win.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AdWind

    A Java-based RAT family operated as malware-as-a-service.

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Async RAT payload 7 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\java.exe
    java -jar "C:\Users\Admin\AppData\Local\Temp\Re Order 4500324718-CIMELECT.jar"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Windows\system32\wscript.exe
      wscript C:\Users\Admin\slrtghxwgp.js
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\xRKCVudFNp.js"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:320
        • C:\Users\Admin\AppData\Roaming\AsyncClient.exe
          "C:\Users\Admin\AppData\Roaming\AsyncClient.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1944
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "win" /tr '"C:\Users\Admin\AppData\Roaming\win.exe"' & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1504
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /create /f /sc onlogon /rl highest /tn "win" /tr '"C:\Users\Admin\AppData\Roaming\win.exe"'
              6⤵
              • Creates scheduled task(s)
              PID:1756
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp92DE.tmp.bat""
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:2012
            • C:\Windows\SysWOW64\timeout.exe
              timeout 3
              6⤵
              • Delays execution with timeout.exe
              PID:904
            • C:\Users\Admin\AppData\Roaming\win.exe
              "C:\Users\Admin\AppData\Roaming\win.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of AdjustPrivilegeToken
              PID:1580
      • C:\Program Files\Java\jre7\bin\javaw.exe
        "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\bwbkyusyvl.txt"
        3⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Program Files\Java\jre7\bin\java.exe
          "C:\Program Files\Java\jre7\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.69496036936904772396323987121633275.class
          4⤵
          • Drops file in System32 directory
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1676
          • C:\Windows\system32\cmd.exe
            cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive404031182877290472.vbs
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:240
            • C:\Windows\system32\cscript.exe
              cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive404031182877290472.vbs
              6⤵
                PID:1612
            • C:\Windows\system32\cmd.exe
              cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7673477011849406345.vbs
              5⤵
              • Suspicious use of WriteProcessMemory
              PID:1868
              • C:\Windows\system32\cscript.exe
                cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive7673477011849406345.vbs
                6⤵
                  PID:1512
              • C:\Windows\system32\xcopy.exe
                xcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                5⤵
                  PID:1540
                • C:\Windows\system32\cmd.exe
                  cmd.exe
                  5⤵
                    PID:1616
                • C:\Windows\system32\cmd.exe
                  cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2934314058063850074.vbs
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1760
                  • C:\Windows\system32\cscript.exe
                    cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive2934314058063850074.vbs
                    5⤵
                      PID:852
                  • C:\Windows\system32\cmd.exe
                    cmd.exe /C cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6524257857729156963.vbs
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:1528
                    • C:\Windows\system32\cscript.exe
                      cscript.exe C:\Users\Admin\AppData\Local\Temp\Retrive6524257857729156963.vbs
                      5⤵
                        PID:588
                    • C:\Windows\system32\xcopy.exe
                      xcopy "C:\Program Files\Java\jre7" "C:\Users\Admin\AppData\Roaming\Oracle\" /e
                      4⤵
                        PID:768

                Network

                MITRE ATT&CK Matrix ATT&CK v6

                Execution

                Scheduled Task

                1
                T1053

                Persistence

                Scheduled Task

                1
                T1053

                Privilege Escalation

                Scheduled Task

                1
                T1053

                Discovery

                System Information Discovery

                1
                T1082

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Temp\Retrive2934314058063850074.vbs
                  Filesize

                  276B

                  MD5

                  3bdfd33017806b85949b6faa7d4b98e4

                  SHA1

                  f92844fee69ef98db6e68931adfaa9a0a0f8ce66

                  SHA256

                  9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6

                  SHA512

                  ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429

                • C:\Users\Admin\AppData\Local\Temp\Retrive404031182877290472.vbs
                  Filesize

                  276B

                  MD5

                  3bdfd33017806b85949b6faa7d4b98e4

                  SHA1

                  f92844fee69ef98db6e68931adfaa9a0a0f8ce66

                  SHA256

                  9da575dd2d5b7c1e9bab8b51a16cde457b3371c6dcdb0537356cf1497fa868f6

                  SHA512

                  ae5e5686ae71edef53e71cd842cb6799e4383b9c238a5c361b81647efa128d2fedf3bf464997771b5b0c47a058fecae7829aeedcd098c80a11008581e5781429

                • C:\Users\Admin\AppData\Local\Temp\Retrive6524257857729156963.vbs
                  Filesize

                  281B

                  MD5

                  a32c109297ed1ca155598cd295c26611

                  SHA1

                  dc4a1fdbaad15ddd6fe22d3907c6b03727b71510

                  SHA256

                  45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7

                  SHA512

                  70372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887

                • C:\Users\Admin\AppData\Local\Temp\Retrive7673477011849406345.vbs
                  Filesize

                  281B

                  MD5

                  a32c109297ed1ca155598cd295c26611

                  SHA1

                  dc4a1fdbaad15ddd6fe22d3907c6b03727b71510

                  SHA256

                  45bfe34aa3ef932f75101246eb53d032f5e7cf6d1f5b4e495334955a255f32e7

                  SHA512

                  70372552dc86fe02ece9fe3b7721463f80be07a34126b2c75b41e30078cda9e90744c7d644df623f63d4fb985482e345b3351c4d3da873162152c67fc6ecc887

                • C:\Users\Admin\AppData\Local\Temp\_0.69496036936904772396323987121633275.class
                  Filesize

                  241KB

                  MD5

                  781fb531354d6f291f1ccab48da6d39f

                  SHA1

                  9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68

                  SHA256

                  97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9

                  SHA512

                  3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8

                • C:\Users\Admin\AppData\Local\Temp\tmp92DE.tmp.bat
                  Filesize

                  147B

                  MD5

                  eb4df0d662ad53d1abd87630b22750a0

                  SHA1

                  393a2033d99a9ca326416552bff24e434036fc38

                  SHA256

                  9b7631b2f8871b965995d2752b47997475b567303338770d64829f010b468242

                  SHA512

                  6daec5f20c5e8b1063bd21c814195e98bbf5fd38840a327713931332204271a232fb10bc93aece7925b724efdf4aab151f84e3cfcc777a515ee59a2bb7dc8cb6

                • C:\Users\Admin\AppData\Roaming\AsyncClient.exe
                  Filesize

                  45KB

                  MD5

                  cbdce3b5e2939fe92312004dcb31151f

                  SHA1

                  6f11f275c611decd4659f23a4593103f327806a6

                  SHA256

                  6ccc49875c2d837f462c4c3bd81f80b3be93f8435e8a22e042b5db025a31a6e3

                  SHA512

                  6240f21957016db0607987c81b110e78640d20eeba2dc0274cf6e6741cfd7924ca3b42325405e620f423157c34f355f188dbf60de96421e87f0d53e271fcc2c8

                • C:\Users\Admin\AppData\Roaming\AsyncClient.exe
                  Filesize

                  45KB

                  MD5

                  cbdce3b5e2939fe92312004dcb31151f

                  SHA1

                  6f11f275c611decd4659f23a4593103f327806a6

                  SHA256

                  6ccc49875c2d837f462c4c3bd81f80b3be93f8435e8a22e042b5db025a31a6e3

                  SHA512

                  6240f21957016db0607987c81b110e78640d20eeba2dc0274cf6e6741cfd7924ca3b42325405e620f423157c34f355f188dbf60de96421e87f0d53e271fcc2c8

                • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1083475884-596052423-1669053738-1000\83aa4cc77f591dfc2374580bbd95f6ba_206ac020-9434-4197-af4e-48c8ff9cae6c
                  Filesize

                  45B

                  MD5

                  c8366ae350e7019aefc9d1e6e6a498c6

                  SHA1

                  5731d8a3e6568a5f2dfbbc87e3db9637df280b61

                  SHA256

                  11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

                  SHA512

                  33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

                • C:\Users\Admin\AppData\Roaming\bwbkyusyvl.txt
                  Filesize

                  479KB

                  MD5

                  e6e49d6575a99dc7eaf81091e02190b6

                  SHA1

                  d7abf421d1a9d080d89b2922003a0d869d64ac2c

                  SHA256

                  3df792e3ab0c1efd66231647b0369e5805d359403d5b534a2562a7ba301b0757

                  SHA512

                  98743a430ab0490aed350a800d057dbaf7b29d2ce9833ca7cefc3e52a18dc5918c315918f64b193ca6d42f0250f7d93f001606689852de3f56182de42e0a7d3f

                • C:\Users\Admin\AppData\Roaming\win.exe
                  Filesize

                  45KB

                  MD5

                  cbdce3b5e2939fe92312004dcb31151f

                  SHA1

                  6f11f275c611decd4659f23a4593103f327806a6

                  SHA256

                  6ccc49875c2d837f462c4c3bd81f80b3be93f8435e8a22e042b5db025a31a6e3

                  SHA512

                  6240f21957016db0607987c81b110e78640d20eeba2dc0274cf6e6741cfd7924ca3b42325405e620f423157c34f355f188dbf60de96421e87f0d53e271fcc2c8

                • C:\Users\Admin\AppData\Roaming\win.exe
                  Filesize

                  45KB

                  MD5

                  cbdce3b5e2939fe92312004dcb31151f

                  SHA1

                  6f11f275c611decd4659f23a4593103f327806a6

                  SHA256

                  6ccc49875c2d837f462c4c3bd81f80b3be93f8435e8a22e042b5db025a31a6e3

                  SHA512

                  6240f21957016db0607987c81b110e78640d20eeba2dc0274cf6e6741cfd7924ca3b42325405e620f423157c34f355f188dbf60de96421e87f0d53e271fcc2c8

                • C:\Users\Admin\AppData\Roaming\xRKCVudFNp.js
                  Filesize

                  88KB

                  MD5

                  63649fb5e85e7f8c93a1ad99a27b7b22

                  SHA1

                  ae8e7a2215151a271d983e52ba8a56a77ae6baed

                  SHA256

                  e5d86ad0a6d4aaf17667fc846727326d86608c9cbee572b6aef70c92b028d86d

                  SHA512

                  7bd802d530f5b752a8b9ec2e0e45ade04b70d0edf29b007852682e25cc3a63531fde3d2c57e03d5fb8478caeff823b028d9bd83ef693876d5f803868428d5f3a

                • C:\Users\Admin\slrtghxwgp.js
                  Filesize

                  1.0MB

                  MD5

                  a0feff107f173acc9b411620b16cfddf

                  SHA1

                  b7b5985ad225aef80e1e0e08297330f2257f7f59

                  SHA256

                  100de96a9a0778b9d66d919de429cecb7ee54c4e3ddce9911d40a0ded003d185

                  SHA512

                  99d7ca04f65e2cadd0678166a5b1c07e476873bd43c90290982731e3657bd43a4ddcfb57a1317381529eb50dd1dadd7e87273006f4179e43b4a3251184ed7000

                • \Users\Admin\AppData\Roaming\win.exe
                  Filesize

                  45KB

                  MD5

                  cbdce3b5e2939fe92312004dcb31151f

                  SHA1

                  6f11f275c611decd4659f23a4593103f327806a6

                  SHA256

                  6ccc49875c2d837f462c4c3bd81f80b3be93f8435e8a22e042b5db025a31a6e3

                  SHA512

                  6240f21957016db0607987c81b110e78640d20eeba2dc0274cf6e6741cfd7924ca3b42325405e620f423157c34f355f188dbf60de96421e87f0d53e271fcc2c8

                • memory/240-106-0x0000000000000000-mapping.dmp
                • memory/320-69-0x0000000000000000-mapping.dmp
                • memory/588-113-0x0000000000000000-mapping.dmp
                • memory/768-118-0x0000000000000000-mapping.dmp
                • memory/852-107-0x0000000000000000-mapping.dmp
                • memory/872-64-0x00000000020C0000-0x00000000050C0000-memory.dmp
                  Filesize

                  48.0MB

                • memory/872-54-0x000007FEFBD41000-0x000007FEFBD43000-memory.dmp
                  Filesize

                  8KB

                • memory/904-123-0x0000000000000000-mapping.dmp
                • memory/1128-65-0x0000000000000000-mapping.dmp
                • memory/1504-119-0x0000000000000000-mapping.dmp
                • memory/1512-114-0x0000000000000000-mapping.dmp
                • memory/1528-111-0x0000000000000000-mapping.dmp
                • memory/1540-117-0x0000000000000000-mapping.dmp
                • memory/1580-127-0x0000000000000000-mapping.dmp
                • memory/1580-129-0x0000000000DF0000-0x0000000000E02000-memory.dmp
                  Filesize

                  72KB

                • memory/1612-108-0x0000000000000000-mapping.dmp
                • memory/1616-124-0x0000000000000000-mapping.dmp
                • memory/1676-97-0x0000000002290000-0x0000000005290000-memory.dmp
                  Filesize

                  48.0MB

                • memory/1676-88-0x0000000000000000-mapping.dmp
                • memory/1676-132-0x0000000002290000-0x0000000005290000-memory.dmp
                  Filesize

                  48.0MB

                • memory/1712-86-0x0000000002320000-0x0000000005320000-memory.dmp
                  Filesize

                  48.0MB

                • memory/1712-130-0x0000000002320000-0x0000000005320000-memory.dmp
                  Filesize

                  48.0MB

                • memory/1712-70-0x0000000000000000-mapping.dmp
                • memory/1756-121-0x0000000000000000-mapping.dmp
                • memory/1760-105-0x0000000000000000-mapping.dmp
                • memory/1868-112-0x0000000000000000-mapping.dmp
                • memory/1944-102-0x00000000764C1000-0x00000000764C3000-memory.dmp
                  Filesize

                  8KB

                • memory/1944-87-0x00000000001F0000-0x0000000000202000-memory.dmp
                  Filesize

                  72KB

                • memory/1944-81-0x0000000000000000-mapping.dmp
                • memory/2012-120-0x0000000000000000-mapping.dmp