Analysis

  • max time kernel
    123s
  • max time network
    141s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-07-2021 08:03

General

  • Target

    36cbb216a9737402f9dfa4f7e7528d89.exe

  • Size

    504KB

  • MD5

    36cbb216a9737402f9dfa4f7e7528d89

  • SHA1

    43c641a1b5df61fc9078f6c86f26205358de674c

  • SHA256

    16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

  • SHA512

    43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

Malware Config

Extracted

Family

warzonerat

C2

ghjklhgteg.strangled.net:6703

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1846829589:AAHSsEDTKvDOQ17YrNRY5_FXv5z4mpfGRIc/sendDocument

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 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Sets DLL path for service in the registry 2 TTPs
  • Loads dropped DLL 7 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 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36cbb216a9737402f9dfa4f7e7528d89.exe
    "C:\Users\Admin\AppData\Local\Temp\36cbb216a9737402f9dfa4f7e7528d89.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Users\Admin\AppData\Local\Temp\36cbb216a9737402f9dfa4f7e7528d89.exe
      C:\Users\Admin\AppData\Local\Temp\36cbb216a9737402f9dfa4f7e7528d89.exe
      2⤵
        PID:2024
      • C:\Users\Admin\AppData\Local\Temp\36cbb216a9737402f9dfa4f7e7528d89.exe
        C:\Users\Admin\AppData\Local\Temp\36cbb216a9737402f9dfa4f7e7528d89.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3180
        • 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:2860
          • C:\Users\Admin\AppData\Local\Temp\images.exe
            C:\Users\Admin\AppData\Local\Temp\images.exe
            4⤵
            • Executes dropped EXE
            PID:740
          • C:\Users\Admin\AppData\Local\Temp\images.exe
            C:\Users\Admin\AppData\Local\Temp\images.exe
            4⤵
            • Executes dropped EXE
            PID:3860
          • 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
            • Drops file in System32 directory
            • Drops file in Program Files directory
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:804
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe"
              5⤵
                PID:3772
              • C:\Users\Admin\AppData\Roaming\Fubgdjfat.exe
                "C:\Users\Admin\AppData\Roaming\Fubgdjfat.exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:2468
                • C:\Users\Admin\AppData\Local\Temp\Fubgdjfat.exe
                  C:\Users\Admin\AppData\Local\Temp\Fubgdjfat.exe
                  6⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:208
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k networkservice -s TermService
        1⤵
          PID:3976
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k NetworkService -s TermService
          1⤵
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:184

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Winlogon Helper DLL

        1
        T1004

        Defense Evasion

        Modify Registry

        2
        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

          36cbb216a9737402f9dfa4f7e7528d89

          SHA1

          43c641a1b5df61fc9078f6c86f26205358de674c

          SHA256

          16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

          SHA512

          43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

        • C:\ProgramData\images.exe
          MD5

          36cbb216a9737402f9dfa4f7e7528d89

          SHA1

          43c641a1b5df61fc9078f6c86f26205358de674c

          SHA256

          16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

          SHA512

          43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

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

          9e7845217df4a635ec4341c3d52ed685

          SHA1

          d65cb39d37392975b038ce503a585adadb805da5

          SHA256

          d60e596ed3d5c13dc9f1660e6d870d99487e1383891437645c4562a9ecaa8c9b

          SHA512

          307c3b4d4f2655bdeb177e7b9c981ca27513618903f02c120caa755c9da5a8dd03ebab660b56108a680720a97c1e9596692490aede18cc4bd77b9fc3d8e68aa1

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

          a5da6bea30981185e9dadaaa06ccf45b

          SHA1

          3166d96dc5c719df87abc726ee1b8785ef8ee7d8

          SHA256

          efb3cc17330b519d970353a2f8da8ab9a10abbed7fb5ac099bd4ed575ba21fa5

          SHA512

          e96090c6cd989cccb310d40401bde54eb5db77a2311d5d12b04471cce56d7af589d079230566f0dab873ff80d89319f846a2c6f4e9adfdf9a925361c19df33f0

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

          a5da6bea30981185e9dadaaa06ccf45b

          SHA1

          3166d96dc5c719df87abc726ee1b8785ef8ee7d8

          SHA256

          efb3cc17330b519d970353a2f8da8ab9a10abbed7fb5ac099bd4ed575ba21fa5

          SHA512

          e96090c6cd989cccb310d40401bde54eb5db77a2311d5d12b04471cce56d7af589d079230566f0dab873ff80d89319f846a2c6f4e9adfdf9a925361c19df33f0

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

          36cbb216a9737402f9dfa4f7e7528d89

          SHA1

          43c641a1b5df61fc9078f6c86f26205358de674c

          SHA256

          16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

          SHA512

          43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

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

          36cbb216a9737402f9dfa4f7e7528d89

          SHA1

          43c641a1b5df61fc9078f6c86f26205358de674c

          SHA256

          16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

          SHA512

          43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

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

          36cbb216a9737402f9dfa4f7e7528d89

          SHA1

          43c641a1b5df61fc9078f6c86f26205358de674c

          SHA256

          16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

          SHA512

          43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

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

          36cbb216a9737402f9dfa4f7e7528d89

          SHA1

          43c641a1b5df61fc9078f6c86f26205358de674c

          SHA256

          16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

          SHA512

          43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

        • C:\Users\Admin\AppData\Roaming\Fubgdjfat.exe
          MD5

          a5da6bea30981185e9dadaaa06ccf45b

          SHA1

          3166d96dc5c719df87abc726ee1b8785ef8ee7d8

          SHA256

          efb3cc17330b519d970353a2f8da8ab9a10abbed7fb5ac099bd4ed575ba21fa5

          SHA512

          e96090c6cd989cccb310d40401bde54eb5db77a2311d5d12b04471cce56d7af589d079230566f0dab873ff80d89319f846a2c6f4e9adfdf9a925361c19df33f0

        • C:\Users\Admin\AppData\Roaming\Fubgdjfat.exe
          MD5

          a5da6bea30981185e9dadaaa06ccf45b

          SHA1

          3166d96dc5c719df87abc726ee1b8785ef8ee7d8

          SHA256

          efb3cc17330b519d970353a2f8da8ab9a10abbed7fb5ac099bd4ed575ba21fa5

          SHA512

          e96090c6cd989cccb310d40401bde54eb5db77a2311d5d12b04471cce56d7af589d079230566f0dab873ff80d89319f846a2c6f4e9adfdf9a925361c19df33f0

        • \??\c:\program files\microsoft dn1\rdpwrap.ini
          MD5

          6bc395161b04aa555d5a4e8eb8320020

          SHA1

          f18544faa4bd067f6773a373d580e111b0c8c300

          SHA256

          23390dfcda60f292ba1e52abb5ba2f829335351f4f9b1d33a9a6ad7a9bf5e2be

          SHA512

          679ac80c26422667ca5f2a6d9f0e022ef76bc9b09f97ad390b81f2e286446f0658524ccc8346a6e79d10e42131bc428f7c0ce4541d44d83af8134c499436daae

        • \??\c:\program files\microsoft dn1\sqlmap.dll
          MD5

          461ade40b800ae80a40985594e1ac236

          SHA1

          b3892eef846c044a2b0785d54a432b3e93a968c8

          SHA256

          798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

          SHA512

          421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

        • \Program Files\Microsoft DN1\sqlmap.dll
          MD5

          461ade40b800ae80a40985594e1ac236

          SHA1

          b3892eef846c044a2b0785d54a432b3e93a968c8

          SHA256

          798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

          SHA512

          421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

        • \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/208-180-0x0000000005700000-0x0000000005701000-memory.dmp
          Filesize

          4KB

        • memory/208-173-0x000000000043774E-mapping.dmp
        • memory/208-183-0x0000000006220000-0x0000000006221000-memory.dmp
          Filesize

          4KB

        • memory/208-182-0x0000000005590000-0x0000000005591000-memory.dmp
          Filesize

          4KB

        • memory/208-181-0x00000000055C0000-0x0000000005ABE000-memory.dmp
          Filesize

          5.0MB

        • memory/208-172-0x0000000000400000-0x000000000043C000-memory.dmp
          Filesize

          240KB

        • memory/652-125-0x00000000074E0000-0x000000000755B000-memory.dmp
          Filesize

          492KB

        • memory/652-120-0x0000000007180000-0x00000000071D6000-memory.dmp
          Filesize

          344KB

        • memory/652-116-0x00000000053F0000-0x00000000053F1000-memory.dmp
          Filesize

          4KB

        • memory/652-114-0x00000000003D0000-0x00000000003D1000-memory.dmp
          Filesize

          4KB

        • memory/652-118-0x0000000004EF0000-0x00000000053EE000-memory.dmp
          Filesize

          5.0MB

        • memory/652-119-0x0000000004DC0000-0x0000000004DC1000-memory.dmp
          Filesize

          4KB

        • memory/652-117-0x0000000004DD0000-0x0000000004DD1000-memory.dmp
          Filesize

          4KB

        • memory/804-184-0x0000000004990000-0x0000000004A14000-memory.dmp
          Filesize

          528KB

        • memory/804-153-0x00000000047C0000-0x00000000048FC000-memory.dmp
          Filesize

          1.2MB

        • memory/804-147-0x0000000000405E28-mapping.dmp
        • memory/804-149-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/2468-157-0x0000000000F80000-0x0000000000F81000-memory.dmp
          Filesize

          4KB

        • memory/2468-166-0x0000000005CC0000-0x0000000005D14000-memory.dmp
          Filesize

          336KB

        • memory/2468-171-0x0000000007930000-0x000000000799B000-memory.dmp
          Filesize

          428KB

        • memory/2468-162-0x0000000005820000-0x0000000005D1E000-memory.dmp
          Filesize

          5.0MB

        • memory/2468-154-0x0000000000000000-mapping.dmp
        • memory/2860-137-0x00000000053D0000-0x0000000005462000-memory.dmp
          Filesize

          584KB

        • memory/2860-129-0x0000000000000000-mapping.dmp
        • memory/3180-128-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/3180-127-0x0000000000405E28-mapping.dmp
        • memory/3180-126-0x0000000000400000-0x000000000055E000-memory.dmp
          Filesize

          1.4MB

        • memory/3772-151-0x0000000000000000-mapping.dmp
        • memory/3772-152-0x0000000000960000-0x0000000000961000-memory.dmp
          Filesize

          4KB