Analysis

  • max time kernel
    122s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    19-07-2021 16:00

General

  • Target

    microF.exe

  • Size

    816KB

  • MD5

    069c9912fa773cada0e357556182f089

  • SHA1

    4f3e4f2d9b361b5747baeeb0178908a2f8d3339c

  • SHA256

    2a0f53dd66eff57c82fcad2fff75d7ac63f6f4d764ec27fe862e6b3f01a21c03

  • SHA512

    3b85e7cdb73249739fd232528a2ad8ed8877e13aa5f076dcc7cde9b5f0fc2c6e46b015533a7a091ac680d46fc9d0b3bf81ce9a330d1400c94c34ada5551d7592

Malware Config

Extracted

Family

warzonerat

C2

sdafsdffssffs.ydns.eu:6703

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • AgentTesla Payload 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 8 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Modifies WinLogon 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 37 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\microF.exe
    "C:\Users\Admin\AppData\Local\Temp\microF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3680
    • C:\Users\Admin\AppData\Local\Temp\microF.exe
      C:\Users\Admin\AppData\Local\Temp\microF.exe
      2⤵
        PID:748
      • C:\Users\Admin\AppData\Local\Temp\microF.exe
        C:\Users\Admin\AppData\Local\Temp\microF.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\SysWOW64\cmd.exe
          cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:3456
          • C:\Windows\SysWOW64\reg.exe
            REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
            4⤵
              PID:4000
          • C:\ProgramData\images.exe
            "C:\ProgramData\images.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:3436
            • C:\Users\Admin\AppData\Local\Temp\images.exe
              C:\Users\Admin\AppData\Local\Temp\images.exe
              4⤵
              • Executes dropped EXE
              PID:1752
            • C:\Users\Admin\AppData\Local\Temp\images.exe
              C:\Users\Admin\AppData\Local\Temp\images.exe
              4⤵
              • Executes dropped EXE
              • Loads dropped DLL
              • Modifies WinLogon
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1828
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\System32\cmd.exe"
                5⤵
                  PID:2736
                • C:\Users\Admin\AppData\Roaming\wf.GvEFiH.exe
                  "C:\Users\Admin\AppData\Roaming\wf.GvEFiH.exe"
                  5⤵
                  • Executes dropped EXE
                  • Suspicious use of SetThreadContext
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of WriteProcessMemory
                  PID:2132
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection www.yahoo.com
                    6⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:188
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection www.yahoo.com
                    6⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3848
                  • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection www.yahoo.com
                    6⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3184
                  • C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    6⤵
                    • Executes dropped EXE
                    PID:3016
                  • C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    6⤵
                    • Executes dropped EXE
                    PID:3964
                  • C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    6⤵
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3456
                  • C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    C:\Users\Admin\AppData\Local\Temp\wf.GvEFiH.exe
                    6⤵
                    • Executes dropped EXE
                    PID:3088

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Winlogon Helper DLL

        1
        T1004

        Defense Evasion

        Modify Registry

        1
        T1112

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        System Information Discovery

        1
        T1082

        Collection

        Data from Local System

        1
        T1005

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\images.exe
          MD5

          069c9912fa773cada0e357556182f089

          SHA1

          4f3e4f2d9b361b5747baeeb0178908a2f8d3339c

          SHA256

          2a0f53dd66eff57c82fcad2fff75d7ac63f6f4d764ec27fe862e6b3f01a21c03

          SHA512

          3b85e7cdb73249739fd232528a2ad8ed8877e13aa5f076dcc7cde9b5f0fc2c6e46b015533a7a091ac680d46fc9d0b3bf81ce9a330d1400c94c34ada5551d7592

        • C:\ProgramData\images.exe
          MD5

          069c9912fa773cada0e357556182f089

          SHA1

          4f3e4f2d9b361b5747baeeb0178908a2f8d3339c

          SHA256

          2a0f53dd66eff57c82fcad2fff75d7ac63f6f4d764ec27fe862e6b3f01a21c03

          SHA512

          3b85e7cdb73249739fd232528a2ad8ed8877e13aa5f076dcc7cde9b5f0fc2c6e46b015533a7a091ac680d46fc9d0b3bf81ce9a330d1400c94c34ada5551d7592

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          MD5

          a4022a7d2b113226b000be0705680813

          SHA1

          599e22d03201704127a045ca53ffb78f9ea3b6c3

          SHA256

          2557a14e476d55330043af2858dbf1377e24dba3fa9aedc369d5feefefb7f9a7

          SHA512

          40ef88632a4ad38a7d21c640a7f0c8cd7c76b8451f55dd758c15baa5a90f4f0938de409426570c4405362fd2d90fadd96d23d190e09692b5fbe2c87ebc8d3c60

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          MD5

          d11d034120f5b5e4961f2ee6547d9a45

          SHA1

          8ce9b927848b051cfb65e60982253e16cc64d9a8

          SHA256

          900d685072640c7d38bda9acfffd47c1c6d35c32beaa2683d927d424e207a12d

          SHA512

          b21dcd0c97433366af921e4a6e2a95765e2bf866a40167c2d26900d4f0233296ea0929ef43db6e722fbe9d5ba82a6a123c15b2fcd931ba8dbca14bdfec782875

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          MD5

          a3956207a8cd603d31f8b237efa50a95

          SHA1

          54090eef010f9be1fdb6ee41670600b8885cfb3f

          SHA256

          f2b905cdd7783f59361237e146cb6480ad01477ce3ceb6dc166d547250d9b9e6

          SHA512

          b40e13d83de457dd7fc292be641a22b75228cbf12bf80c3e38a5e673932e720d619a0a27cbbb49772d7226909474d987e96f433fe1e901d2729a6439a95d1b63

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

          069c9912fa773cada0e357556182f089

          SHA1

          4f3e4f2d9b361b5747baeeb0178908a2f8d3339c

          SHA256

          2a0f53dd66eff57c82fcad2fff75d7ac63f6f4d764ec27fe862e6b3f01a21c03

          SHA512

          3b85e7cdb73249739fd232528a2ad8ed8877e13aa5f076dcc7cde9b5f0fc2c6e46b015533a7a091ac680d46fc9d0b3bf81ce9a330d1400c94c34ada5551d7592

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

          069c9912fa773cada0e357556182f089

          SHA1

          4f3e4f2d9b361b5747baeeb0178908a2f8d3339c

          SHA256

          2a0f53dd66eff57c82fcad2fff75d7ac63f6f4d764ec27fe862e6b3f01a21c03

          SHA512

          3b85e7cdb73249739fd232528a2ad8ed8877e13aa5f076dcc7cde9b5f0fc2c6e46b015533a7a091ac680d46fc9d0b3bf81ce9a330d1400c94c34ada5551d7592

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

          069c9912fa773cada0e357556182f089

          SHA1

          4f3e4f2d9b361b5747baeeb0178908a2f8d3339c

          SHA256

          2a0f53dd66eff57c82fcad2fff75d7ac63f6f4d764ec27fe862e6b3f01a21c03

          SHA512

          3b85e7cdb73249739fd232528a2ad8ed8877e13aa5f076dcc7cde9b5f0fc2c6e46b015533a7a091ac680d46fc9d0b3bf81ce9a330d1400c94c34ada5551d7592

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

          7f5e840ecce813d3df4e099180ab6f2f

          SHA1

          a1697634865d09c961a548f09942bb820fda5512

          SHA256

          6e8ba9ccbcfe6fb5e8ff5ba198398b3e7994f8afc6d51140496a3b4c1d67e20f

          SHA512

          29038c6bc5e90d0ff1356057fb21c1ddd420c8d24863a67247dc1730ad8fe17f240e55b9cc8d84b18137b73055da1b8f95c84458ac609f456292745595309813

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

          7f5e840ecce813d3df4e099180ab6f2f

          SHA1

          a1697634865d09c961a548f09942bb820fda5512

          SHA256

          6e8ba9ccbcfe6fb5e8ff5ba198398b3e7994f8afc6d51140496a3b4c1d67e20f

          SHA512

          29038c6bc5e90d0ff1356057fb21c1ddd420c8d24863a67247dc1730ad8fe17f240e55b9cc8d84b18137b73055da1b8f95c84458ac609f456292745595309813

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

          7f5e840ecce813d3df4e099180ab6f2f

          SHA1

          a1697634865d09c961a548f09942bb820fda5512

          SHA256

          6e8ba9ccbcfe6fb5e8ff5ba198398b3e7994f8afc6d51140496a3b4c1d67e20f

          SHA512

          29038c6bc5e90d0ff1356057fb21c1ddd420c8d24863a67247dc1730ad8fe17f240e55b9cc8d84b18137b73055da1b8f95c84458ac609f456292745595309813

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

          7f5e840ecce813d3df4e099180ab6f2f

          SHA1

          a1697634865d09c961a548f09942bb820fda5512

          SHA256

          6e8ba9ccbcfe6fb5e8ff5ba198398b3e7994f8afc6d51140496a3b4c1d67e20f

          SHA512

          29038c6bc5e90d0ff1356057fb21c1ddd420c8d24863a67247dc1730ad8fe17f240e55b9cc8d84b18137b73055da1b8f95c84458ac609f456292745595309813

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

          7f5e840ecce813d3df4e099180ab6f2f

          SHA1

          a1697634865d09c961a548f09942bb820fda5512

          SHA256

          6e8ba9ccbcfe6fb5e8ff5ba198398b3e7994f8afc6d51140496a3b4c1d67e20f

          SHA512

          29038c6bc5e90d0ff1356057fb21c1ddd420c8d24863a67247dc1730ad8fe17f240e55b9cc8d84b18137b73055da1b8f95c84458ac609f456292745595309813

        • C:\Users\Admin\AppData\Roaming\wf.GvEFiH.exe
          MD5

          7f5e840ecce813d3df4e099180ab6f2f

          SHA1

          a1697634865d09c961a548f09942bb820fda5512

          SHA256

          6e8ba9ccbcfe6fb5e8ff5ba198398b3e7994f8afc6d51140496a3b4c1d67e20f

          SHA512

          29038c6bc5e90d0ff1356057fb21c1ddd420c8d24863a67247dc1730ad8fe17f240e55b9cc8d84b18137b73055da1b8f95c84458ac609f456292745595309813

        • C:\Users\Admin\AppData\Roaming\wf.GvEFiH.exe
          MD5

          7f5e840ecce813d3df4e099180ab6f2f

          SHA1

          a1697634865d09c961a548f09942bb820fda5512

          SHA256

          6e8ba9ccbcfe6fb5e8ff5ba198398b3e7994f8afc6d51140496a3b4c1d67e20f

          SHA512

          29038c6bc5e90d0ff1356057fb21c1ddd420c8d24863a67247dc1730ad8fe17f240e55b9cc8d84b18137b73055da1b8f95c84458ac609f456292745595309813

        • \Users\Admin\AppData\Local\Temp\freebl3.dll
          MD5

          ef12ab9d0b231b8f898067b2114b1bc0

          SHA1

          6d90f27b2105945f9bb77039e8b892070a5f9442

          SHA256

          2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

          SHA512

          2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

        • \Users\Admin\AppData\Local\Temp\mozglue.dll
          MD5

          75f8cc548cabf0cc800c25047e4d3124

          SHA1

          602676768f9faecd35b48c38a0632781dfbde10c

          SHA256

          fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

          SHA512

          ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

        • \Users\Admin\AppData\Local\Temp\msvcp140.dll
          MD5

          109f0f02fd37c84bfc7508d4227d7ed5

          SHA1

          ef7420141bb15ac334d3964082361a460bfdb975

          SHA256

          334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

          SHA512

          46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

        • \Users\Admin\AppData\Local\Temp\nss3.dll
          MD5

          d7858e8449004e21b01d468e9fd04b82

          SHA1

          9524352071ede21c167e7e4f106e9526dc23ef4e

          SHA256

          78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

          SHA512

          1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

        • \Users\Admin\AppData\Local\Temp\softokn3.dll
          MD5

          471c983513694ac3002590345f2be0da

          SHA1

          6612b9af4ff6830fa9b7d4193078434ef72f775b

          SHA256

          bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

          SHA512

          a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

        • \Users\Admin\AppData\Local\Temp\vcruntime140.dll
          MD5

          7587bf9cb4147022cd5681b015183046

          SHA1

          f2106306a8f6f0da5afb7fc765cfa0757ad5a628

          SHA256

          c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

          SHA512

          0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

        • memory/188-198-0x000000000A100000-0x000000000A101000-memory.dmp
          Filesize

          4KB

        • memory/188-180-0x00000000045E2000-0x00000000045E3000-memory.dmp
          Filesize

          4KB

        • memory/188-188-0x0000000008D80000-0x0000000008D81000-memory.dmp
          Filesize

          4KB

        • memory/188-182-0x0000000007FD0000-0x0000000007FD1000-memory.dmp
          Filesize

          4KB

        • memory/188-181-0x00000000077C0000-0x00000000077C1000-memory.dmp
          Filesize

          4KB

        • memory/188-190-0x0000000008E20000-0x0000000008E21000-memory.dmp
          Filesize

          4KB

        • memory/188-189-0x0000000008D10000-0x0000000008D11000-memory.dmp
          Filesize

          4KB

        • memory/188-176-0x0000000007690000-0x0000000007691000-memory.dmp
          Filesize

          4KB

        • memory/188-215-0x00000000045E3000-0x00000000045E4000-memory.dmp
          Filesize

          4KB

        • memory/188-179-0x00000000045E0000-0x00000000045E1000-memory.dmp
          Filesize

          4KB

        • memory/188-178-0x0000000007A30000-0x0000000007A31000-memory.dmp
          Filesize

          4KB

        • memory/188-177-0x00000000079C0000-0x00000000079C1000-memory.dmp
          Filesize

          4KB

        • memory/188-170-0x0000000000000000-mapping.dmp
        • memory/188-173-0x0000000004530000-0x0000000004531000-memory.dmp
          Filesize

          4KB

        • memory/188-174-0x0000000007060000-0x0000000007061000-memory.dmp
          Filesize

          4KB

        • memory/188-175-0x0000000006F70000-0x0000000006F71000-memory.dmp
          Filesize

          4KB

        • memory/1828-160-0x0000000003FE0000-0x000000000411C000-memory.dmp
          Filesize

          1.2MB

        • memory/1828-464-0x00000000048E0000-0x0000000004964000-memory.dmp
          Filesize

          528KB

        • memory/1828-154-0x0000000000405E28-mapping.dmp
        • memory/1828-156-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/2132-169-0x0000000004D50000-0x000000000524E000-memory.dmp
          Filesize

          5.0MB

        • memory/2132-164-0x0000000000590000-0x0000000000591000-memory.dmp
          Filesize

          4KB

        • memory/2132-363-0x0000000006C50000-0x0000000006CA2000-memory.dmp
          Filesize

          328KB

        • memory/2132-161-0x0000000000000000-mapping.dmp
        • memory/2696-131-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/2696-130-0x0000000000405E28-mapping.dmp
        • memory/2696-129-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/2736-159-0x00000000025D0000-0x00000000025D1000-memory.dmp
          Filesize

          4KB

        • memory/2736-158-0x0000000000000000-mapping.dmp
        • memory/3184-387-0x0000000007330000-0x0000000007331000-memory.dmp
          Filesize

          4KB

        • memory/3184-390-0x0000000007332000-0x0000000007333000-memory.dmp
          Filesize

          4KB

        • memory/3184-362-0x0000000000000000-mapping.dmp
        • memory/3184-428-0x0000000007333000-0x0000000007334000-memory.dmp
          Filesize

          4KB

        • memory/3436-151-0x0000000005010000-0x00000000050A2000-memory.dmp
          Filesize

          584KB

        • memory/3436-142-0x0000000005010000-0x00000000050A2000-memory.dmp
          Filesize

          584KB

        • memory/3436-133-0x0000000000000000-mapping.dmp
        • memory/3456-404-0x0000000005650000-0x0000000005B4E000-memory.dmp
          Filesize

          5.0MB

        • memory/3456-132-0x0000000000000000-mapping.dmp
        • memory/3456-386-0x000000000043774E-mapping.dmp
        • memory/3680-128-0x0000000004B70000-0x000000000506E000-memory.dmp
          Filesize

          5.0MB

        • memory/3680-120-0x0000000006B70000-0x0000000006BC8000-memory.dmp
          Filesize

          352KB

        • memory/3680-114-0x0000000000170000-0x0000000000171000-memory.dmp
          Filesize

          4KB

        • memory/3680-116-0x0000000005070000-0x0000000005071000-memory.dmp
          Filesize

          4KB

        • memory/3680-117-0x0000000004A70000-0x0000000004A71000-memory.dmp
          Filesize

          4KB

        • memory/3680-118-0x0000000004B10000-0x0000000004B11000-memory.dmp
          Filesize

          4KB

        • memory/3680-119-0x0000000004B70000-0x000000000506E000-memory.dmp
          Filesize

          5.0MB

        • memory/3680-127-0x00000000087A0000-0x00000000087A1000-memory.dmp
          Filesize

          4KB

        • memory/3680-126-0x00000000085A0000-0x000000000861B000-memory.dmp
          Filesize

          492KB

        • memory/3680-121-0x0000000006C50000-0x0000000006C51000-memory.dmp
          Filesize

          4KB

        • memory/3848-279-0x0000000007352000-0x0000000007353000-memory.dmp
          Filesize

          4KB

        • memory/3848-293-0x0000000007353000-0x0000000007354000-memory.dmp
          Filesize

          4KB

        • memory/3848-278-0x0000000007350000-0x0000000007351000-memory.dmp
          Filesize

          4KB

        • memory/3848-265-0x0000000000000000-mapping.dmp
        • memory/4000-138-0x0000000000000000-mapping.dmp