Analysis

  • max time kernel
    310s
  • max time network
    344s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 06:55

General

  • Target

    spicis4.amdy.exe

  • Size

    2.8MB

  • MD5

    26fa97abd73e1517729549b2b27d03a2

  • SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

  • SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

  • SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • SSDEEP

    49152:6skDShXlT0EeNYaDbp9CN/BRh0MvaBtb6iOPXk3:VXXd0Epanp9IBRPv2tSk

Malware Config

Extracted

Family

amadey

Version

3.50

C2

77.73.134.68/hfk3vK9/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 2 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 7 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Checks BIOS information in registry 2 TTPs 14 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Loads dropped DLL 1 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.

  • Themida packer 31 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 7 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\spicis4.amdy.exe
    "C:\Users\Admin\AppData\Local\Temp\spicis4.amdy.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Suspicious use of WriteProcessMemory
    PID:4408
    • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Checks computer location settings
      • Checks whether UAC is enabled
      • Suspicious use of WriteProcessMemory
      PID:2324
      • 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\6a413678cd\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1976
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\caf045170b494e\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:3624
  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    PID:1924
  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    PID:3704
  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    PID:4948
  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    PID:1252
  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    PID:3204

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    Filesize

    2.8MB

    MD5

    26fa97abd73e1517729549b2b27d03a2

    SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

    SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

    SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    Filesize

    2.8MB

    MD5

    26fa97abd73e1517729549b2b27d03a2

    SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

    SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

    SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    Filesize

    2.8MB

    MD5

    26fa97abd73e1517729549b2b27d03a2

    SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

    SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

    SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    Filesize

    2.8MB

    MD5

    26fa97abd73e1517729549b2b27d03a2

    SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

    SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

    SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    Filesize

    2.8MB

    MD5

    26fa97abd73e1517729549b2b27d03a2

    SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

    SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

    SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    Filesize

    2.8MB

    MD5

    26fa97abd73e1517729549b2b27d03a2

    SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

    SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

    SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • C:\Users\Admin\AppData\Local\Temp\6a413678cd\gntuud.exe
    Filesize

    2.8MB

    MD5

    26fa97abd73e1517729549b2b27d03a2

    SHA1

    f74d14de09519cc6a8f77d867bcc20a554fabe89

    SHA256

    af61909e749fd00fd83ae0da3caf6099ea2f7dda0a55a5e254614ad7b33bd6dc

    SHA512

    d16bef506d05484e146298212e9ccbc7991a78a6926388afcedff26e22659f69a978a0ffdd60660b3998a617b73ba418847050ae68fbc7cc68439988509b8c6a

  • C:\Users\Admin\AppData\Roaming\caf045170b494e\cred64.dll
    Filesize

    126KB

    MD5

    45de67357d1bbf74eb306173dba0a950

    SHA1

    d255f695f2a3f4aacbc8208af65cfc3037ce2c7b

    SHA256

    8b20dc4b46361e6d7f9a361de99dc67216ddb00cb67b41284b108d8232fc2e92

    SHA512

    7a79cfa1b50d1f5771c58837376d8d7d105234f38e68645a0d3ef79329d418be54cae22d6f789b503eab40f5482082b51b4d5a7e3dfafd3838844e7342624b23

  • C:\Users\Admin\AppData\Roaming\caf045170b494e\cred64.dll
    Filesize

    126KB

    MD5

    45de67357d1bbf74eb306173dba0a950

    SHA1

    d255f695f2a3f4aacbc8208af65cfc3037ce2c7b

    SHA256

    8b20dc4b46361e6d7f9a361de99dc67216ddb00cb67b41284b108d8232fc2e92

    SHA512

    7a79cfa1b50d1f5771c58837376d8d7d105234f38e68645a0d3ef79329d418be54cae22d6f789b503eab40f5482082b51b4d5a7e3dfafd3838844e7342624b23

  • memory/1252-162-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/1252-161-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/1252-163-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/1924-144-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/1924-145-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/1924-146-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/1976-142-0x0000000000000000-mapping.dmp
  • memory/2324-141-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/2324-139-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/2324-147-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/2324-140-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/2324-135-0x0000000000000000-mapping.dmp
  • memory/3204-167-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/3204-166-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/3204-165-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/3624-148-0x0000000000000000-mapping.dmp
  • memory/3704-152-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/3704-153-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/3704-154-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/4408-138-0x0000000000A70000-0x0000000000D3D000-memory.dmp
    Filesize

    2.8MB

  • memory/4408-134-0x0000000000A70000-0x0000000000D3D000-memory.dmp
    Filesize

    2.8MB

  • memory/4408-133-0x0000000000A70000-0x0000000000D3D000-memory.dmp
    Filesize

    2.8MB

  • memory/4408-132-0x0000000000A70000-0x0000000000D3D000-memory.dmp
    Filesize

    2.8MB

  • memory/4948-159-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/4948-158-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/4948-157-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB

  • memory/4948-156-0x0000000000710000-0x00000000009DD000-memory.dmp
    Filesize

    2.8MB