Analysis

  • max time kernel
    177s
  • max time network
    210s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 17:26

General

  • Target

    cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8.exe

  • Size

    226KB

  • MD5

    cdd4c17bc79e0e111d637b515d7b20df

  • SHA1

    6b644f1606f5a2af380ca1dc720c7eb2fd21b1fc

  • SHA256

    cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8

  • SHA512

    d7f4ffad5cca735d073e0b4dff54635a62170015a109e18ff227f864654d9f0c7fed76ed3019fd1badc7eedd9046b9bc526d96a20c554e5f6e2480d886eb31ed

  • SSDEEP

    6144:gpKes0N5fHjkaBQXjwwyJ4jmuv7nM12pzn:Xes0NtjNBNL4jV7n5

Malware Config

Extracted

Family

amadey

Version

3.50

C2

193.56.146.194/h49vlBP/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 3 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 3 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\cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8.exe
    "C:\Users\Admin\AppData\Local\Temp\cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4664
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN rovwer.exe /TR "C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:4276
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:1708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 888
      2⤵
      • Program crash
      PID:1760
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4304 -ip 4304
    1⤵
      PID:4072
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:2580
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 416
        2⤵
        • Program crash
        PID:3916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2580 -ip 2580
      1⤵
        PID:2172
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:3860
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 416
          2⤵
          • Program crash
          PID:2936
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3860 -ip 3860
        1⤵
          PID:1296

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Execution

        Scheduled Task

        1
        T1053

        Persistence

        Scheduled Task

        1
        T1053

        Privilege Escalation

        Scheduled Task

        1
        T1053

        Credential Access

        Credentials in Files

        1
        T1081

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        2
        T1082

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          226KB

          MD5

          cdd4c17bc79e0e111d637b515d7b20df

          SHA1

          6b644f1606f5a2af380ca1dc720c7eb2fd21b1fc

          SHA256

          cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8

          SHA512

          d7f4ffad5cca735d073e0b4dff54635a62170015a109e18ff227f864654d9f0c7fed76ed3019fd1badc7eedd9046b9bc526d96a20c554e5f6e2480d886eb31ed

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          226KB

          MD5

          cdd4c17bc79e0e111d637b515d7b20df

          SHA1

          6b644f1606f5a2af380ca1dc720c7eb2fd21b1fc

          SHA256

          cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8

          SHA512

          d7f4ffad5cca735d073e0b4dff54635a62170015a109e18ff227f864654d9f0c7fed76ed3019fd1badc7eedd9046b9bc526d96a20c554e5f6e2480d886eb31ed

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          226KB

          MD5

          cdd4c17bc79e0e111d637b515d7b20df

          SHA1

          6b644f1606f5a2af380ca1dc720c7eb2fd21b1fc

          SHA256

          cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8

          SHA512

          d7f4ffad5cca735d073e0b4dff54635a62170015a109e18ff227f864654d9f0c7fed76ed3019fd1badc7eedd9046b9bc526d96a20c554e5f6e2480d886eb31ed

        • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
          Filesize

          226KB

          MD5

          cdd4c17bc79e0e111d637b515d7b20df

          SHA1

          6b644f1606f5a2af380ca1dc720c7eb2fd21b1fc

          SHA256

          cc6573c4ad6f0700c00a02ed4bc305107eecd995f1612be99f07f318017efec8

          SHA512

          d7f4ffad5cca735d073e0b4dff54635a62170015a109e18ff227f864654d9f0c7fed76ed3019fd1badc7eedd9046b9bc526d96a20c554e5f6e2480d886eb31ed

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • C:\Users\Admin\AppData\Roaming\bf045808586a24\cred64.dll
          Filesize

          126KB

          MD5

          674cec24e36e0dfaec6290db96dda86e

          SHA1

          581e3a7a541cc04641e751fc850d92e07236681f

          SHA256

          de81531468982b689451e85d249214d0aa484e2ffedfd32c58d43cf879f29ded

          SHA512

          6d9898169073c240fe454bd45065fd7dc8458f1d323925b57eb58fa4305bb0d5631bbceb61835593b225e887e0867186ef637c440460279378cb29e832066029

        • memory/1708-146-0x0000000000000000-mapping.dmp
        • memory/1708-150-0x0000000000730000-0x0000000000754000-memory.dmp
          Filesize

          144KB

        • memory/2580-145-0x0000000000400000-0x000000000071A000-memory.dmp
          Filesize

          3.1MB

        • memory/2580-144-0x00000000008F0000-0x000000000090F000-memory.dmp
          Filesize

          124KB

        • memory/3860-152-0x0000000000870000-0x000000000088F000-memory.dmp
          Filesize

          124KB

        • memory/3860-153-0x0000000000400000-0x000000000071A000-memory.dmp
          Filesize

          3.1MB

        • memory/4276-139-0x0000000000000000-mapping.dmp
        • memory/4304-142-0x0000000000400000-0x000000000071A000-memory.dmp
          Filesize

          3.1MB

        • memory/4304-134-0x0000000000400000-0x000000000071A000-memory.dmp
          Filesize

          3.1MB

        • memory/4304-132-0x000000000085E000-0x000000000087D000-memory.dmp
          Filesize

          124KB

        • memory/4304-133-0x0000000000800000-0x000000000083E000-memory.dmp
          Filesize

          248KB

        • memory/4664-135-0x0000000000000000-mapping.dmp
        • memory/4664-141-0x0000000000400000-0x000000000071A000-memory.dmp
          Filesize

          3.1MB

        • memory/4664-140-0x0000000000400000-0x000000000071A000-memory.dmp
          Filesize

          3.1MB

        • memory/4664-138-0x00000000007EC000-0x000000000080B000-memory.dmp
          Filesize

          124KB