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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/12/2022, 01:25

General

  • Target

    8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e.exe

  • Size

    421KB

  • MD5

    c28ad2b3a26a87e8eb693cc04fe39b1f

  • SHA1

    fe8227995655473907f9c5db98ad05ba76d0dc23

  • SHA256

    8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e

  • SHA512

    f6fc0726378fb630517924fa339e1771c3be5c78f95055e6c4f45979557c986b584973f4b900acdd4d44c4c2b56eeda135021a706a6c5f6347c6c820eee5b39b

  • SSDEEP

    6144:NW08L/UkubieUhou9fWYJHuobWnicoGGqWcoBlCb4oFMM4aVe:NwTUkubieG9W0u7nFqcWCXMx3

Malware Config

Extracted

Family

amadey

Version

3.50

C2

77.73.133.72/hfk3vK9/index.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Detect Amadey credential stealer module 4 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e.exe
    "C:\Users\Admin\AppData\Local\Temp\8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3392
    • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3304
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1324
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:4252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3392 -s 900
      2⤵
      • Program crash
      PID:4976
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3392 -ip 3392
    1⤵
      PID:5108
    • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
      1⤵
      • Executes dropped EXE
      PID:3724
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 416
        2⤵
        • Program crash
        PID:2264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3724 -ip 3724
      1⤵
        PID:1340
      • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
        C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
        1⤵
        • Executes dropped EXE
        PID:4624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 440
          2⤵
          • Program crash
          PID:2548
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4624 -ip 4624
        1⤵
          PID:4644
        • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
          C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe
          1⤵
          • Executes dropped EXE
          PID:1160
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1160 -s 416
            2⤵
            • Program crash
            PID:3508
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1160 -ip 1160
          1⤵
            PID:4832

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe

            Filesize

            421KB

            MD5

            c28ad2b3a26a87e8eb693cc04fe39b1f

            SHA1

            fe8227995655473907f9c5db98ad05ba76d0dc23

            SHA256

            8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e

            SHA512

            f6fc0726378fb630517924fa339e1771c3be5c78f95055e6c4f45979557c986b584973f4b900acdd4d44c4c2b56eeda135021a706a6c5f6347c6c820eee5b39b

          • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe

            Filesize

            421KB

            MD5

            c28ad2b3a26a87e8eb693cc04fe39b1f

            SHA1

            fe8227995655473907f9c5db98ad05ba76d0dc23

            SHA256

            8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e

            SHA512

            f6fc0726378fb630517924fa339e1771c3be5c78f95055e6c4f45979557c986b584973f4b900acdd4d44c4c2b56eeda135021a706a6c5f6347c6c820eee5b39b

          • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe

            Filesize

            421KB

            MD5

            c28ad2b3a26a87e8eb693cc04fe39b1f

            SHA1

            fe8227995655473907f9c5db98ad05ba76d0dc23

            SHA256

            8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e

            SHA512

            f6fc0726378fb630517924fa339e1771c3be5c78f95055e6c4f45979557c986b584973f4b900acdd4d44c4c2b56eeda135021a706a6c5f6347c6c820eee5b39b

          • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe

            Filesize

            421KB

            MD5

            c28ad2b3a26a87e8eb693cc04fe39b1f

            SHA1

            fe8227995655473907f9c5db98ad05ba76d0dc23

            SHA256

            8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e

            SHA512

            f6fc0726378fb630517924fa339e1771c3be5c78f95055e6c4f45979557c986b584973f4b900acdd4d44c4c2b56eeda135021a706a6c5f6347c6c820eee5b39b

          • C:\Users\Admin\AppData\Local\Temp\ecaac49691\gntuud.exe

            Filesize

            421KB

            MD5

            c28ad2b3a26a87e8eb693cc04fe39b1f

            SHA1

            fe8227995655473907f9c5db98ad05ba76d0dc23

            SHA256

            8aea4f8f0154c726773c0208ca850951972a21af7d5fcacf3ca3b57dea612b9e

            SHA512

            f6fc0726378fb630517924fa339e1771c3be5c78f95055e6c4f45979557c986b584973f4b900acdd4d44c4c2b56eeda135021a706a6c5f6347c6c820eee5b39b

          • C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll

            Filesize

            126KB

            MD5

            349b2b47fef50fa6a1fc19d0ee4b2db8

            SHA1

            077f4328b3f060a9f010b1a63d9e127d24ddafd4

            SHA256

            5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

            SHA512

            83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

          • C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll

            Filesize

            126KB

            MD5

            349b2b47fef50fa6a1fc19d0ee4b2db8

            SHA1

            077f4328b3f060a9f010b1a63d9e127d24ddafd4

            SHA256

            5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

            SHA512

            83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

          • C:\Users\Admin\AppData\Roaming\f49dfc5e4e2508\cred64.dll

            Filesize

            126KB

            MD5

            349b2b47fef50fa6a1fc19d0ee4b2db8

            SHA1

            077f4328b3f060a9f010b1a63d9e127d24ddafd4

            SHA256

            5cd41f164de6f783b7da82b5f6dbd49413eccd87cc7470f2004d58ca081fb0e0

            SHA512

            83fd58be4c0051ed05b7a03443d256d52f09206d2f433bd302c9e9e3780b9d472e823aed1db01b5052dc8fdc63a4352beac9e399858a8252c057f11cf2bd1773

          • memory/1160-158-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/1160-157-0x000000000066A000-0x0000000000689000-memory.dmp

            Filesize

            124KB

          • memory/3304-144-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3304-143-0x0000000000616000-0x0000000000635000-memory.dmp

            Filesize

            124KB

          • memory/3304-142-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3304-141-0x0000000000616000-0x0000000000635000-memory.dmp

            Filesize

            124KB

          • memory/3392-138-0x0000000000687000-0x00000000006A6000-memory.dmp

            Filesize

            124KB

          • memory/3392-139-0x00000000005F0000-0x000000000062E000-memory.dmp

            Filesize

            248KB

          • memory/3392-132-0x0000000000687000-0x00000000006A6000-memory.dmp

            Filesize

            124KB

          • memory/3392-137-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3392-133-0x00000000005F0000-0x000000000062E000-memory.dmp

            Filesize

            248KB

          • memory/3724-147-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB

          • memory/3724-146-0x00000000004EA000-0x0000000000509000-memory.dmp

            Filesize

            124KB

          • memory/4252-152-0x0000000000630000-0x0000000000654000-memory.dmp

            Filesize

            144KB

          • memory/4624-154-0x000000000055A000-0x0000000000579000-memory.dmp

            Filesize

            124KB

          • memory/4624-155-0x0000000000400000-0x000000000046E000-memory.dmp

            Filesize

            440KB