Analysis

  • max time kernel
    116s
  • max time network
    167s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 03:07

General

  • Target

    file.exe

  • Size

    205KB

  • MD5

    1541ba7e50e778f758fb3d704c8756b7

  • SHA1

    95811e024e11472481f1658e72d580ff57c2fc65

  • SHA256

    6a8ff340b0778558c143418ebd0cda9ec2a3454142ce3e5dec6e4b5d47609f45

  • SHA512

    29c6ef2bd98ed6485180ad9453a099424dab08d048053a5cf10c77d81e3f4819c32f85cf65a5f98bd22a41c70c7fbbd42455d0366e81f9c987182131f0f9a15b

  • SSDEEP

    3072:PQkW/BsH4kSe65KU5smmJOLnF693YLAiw3kzI8zsk43Ni46Zm3k0ShBe:PQG4kNU5mZ3jfkz8kaiDZKk0Shc

Malware Config

Extracted

Family

amadey

Version

3.50

C2

31.41.244.17/hfk3vK9/index.php

Signatures

  • Amadey

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

  • Detect Amadey credential stealer module 5 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 6 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.

  • 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 23 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1096
      • 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\3f904562a0\gntuud.exe" /F
        3⤵
        • Creates scheduled task(s)
        PID:1252
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main
        3⤵
        • Blocklisted process makes network request
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • outlook_win_path
        PID:580
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {AD567E55-9704-44B4-8F00-A765BDA531AD} S-1-5-21-2292972927-2705560509-2768824231-1000:GRXNNIIE\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:648
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:968

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

    Filesize

    205KB

    MD5

    1541ba7e50e778f758fb3d704c8756b7

    SHA1

    95811e024e11472481f1658e72d580ff57c2fc65

    SHA256

    6a8ff340b0778558c143418ebd0cda9ec2a3454142ce3e5dec6e4b5d47609f45

    SHA512

    29c6ef2bd98ed6485180ad9453a099424dab08d048053a5cf10c77d81e3f4819c32f85cf65a5f98bd22a41c70c7fbbd42455d0366e81f9c987182131f0f9a15b

  • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

    Filesize

    205KB

    MD5

    1541ba7e50e778f758fb3d704c8756b7

    SHA1

    95811e024e11472481f1658e72d580ff57c2fc65

    SHA256

    6a8ff340b0778558c143418ebd0cda9ec2a3454142ce3e5dec6e4b5d47609f45

    SHA512

    29c6ef2bd98ed6485180ad9453a099424dab08d048053a5cf10c77d81e3f4819c32f85cf65a5f98bd22a41c70c7fbbd42455d0366e81f9c987182131f0f9a15b

  • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

    Filesize

    205KB

    MD5

    1541ba7e50e778f758fb3d704c8756b7

    SHA1

    95811e024e11472481f1658e72d580ff57c2fc65

    SHA256

    6a8ff340b0778558c143418ebd0cda9ec2a3454142ce3e5dec6e4b5d47609f45

    SHA512

    29c6ef2bd98ed6485180ad9453a099424dab08d048053a5cf10c77d81e3f4819c32f85cf65a5f98bd22a41c70c7fbbd42455d0366e81f9c987182131f0f9a15b

  • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

    Filesize

    205KB

    MD5

    1541ba7e50e778f758fb3d704c8756b7

    SHA1

    95811e024e11472481f1658e72d580ff57c2fc65

    SHA256

    6a8ff340b0778558c143418ebd0cda9ec2a3454142ce3e5dec6e4b5d47609f45

    SHA512

    29c6ef2bd98ed6485180ad9453a099424dab08d048053a5cf10c77d81e3f4819c32f85cf65a5f98bd22a41c70c7fbbd42455d0366e81f9c987182131f0f9a15b

  • C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • \Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

    Filesize

    205KB

    MD5

    1541ba7e50e778f758fb3d704c8756b7

    SHA1

    95811e024e11472481f1658e72d580ff57c2fc65

    SHA256

    6a8ff340b0778558c143418ebd0cda9ec2a3454142ce3e5dec6e4b5d47609f45

    SHA512

    29c6ef2bd98ed6485180ad9453a099424dab08d048053a5cf10c77d81e3f4819c32f85cf65a5f98bd22a41c70c7fbbd42455d0366e81f9c987182131f0f9a15b

  • \Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe

    Filesize

    205KB

    MD5

    1541ba7e50e778f758fb3d704c8756b7

    SHA1

    95811e024e11472481f1658e72d580ff57c2fc65

    SHA256

    6a8ff340b0778558c143418ebd0cda9ec2a3454142ce3e5dec6e4b5d47609f45

    SHA512

    29c6ef2bd98ed6485180ad9453a099424dab08d048053a5cf10c77d81e3f4819c32f85cf65a5f98bd22a41c70c7fbbd42455d0366e81f9c987182131f0f9a15b

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • \Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll

    Filesize

    126KB

    MD5

    adbaf286228c46522e50371c4be31a03

    SHA1

    a29d644c4663b2e2b2bd92046ba0df629537c297

    SHA256

    d3e9a3365f73a34e2dd9022a318abcc2c55af98bafb2dc302cbb55f5398bb9a0

    SHA512

    74a55cc8d8c3af54e5ba290a34b968918da994ea2d55b5f0d1f39e83cb9a39d73226227933c760b48f2e0bdb646f8243967517ef8202e02d88411d2d19ae217d

  • memory/580-72-0x0000000000000000-mapping.dmp

  • memory/648-68-0x0000000000000000-mapping.dmp

  • memory/648-71-0x000000000026B000-0x000000000028A000-memory.dmp

    Filesize

    124KB

  • memory/648-73-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/968-80-0x0000000000000000-mapping.dmp

  • memory/968-83-0x0000000000F4B000-0x0000000000F6A000-memory.dmp

    Filesize

    124KB

  • memory/968-84-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1096-67-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1096-66-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1096-65-0x0000000000C6B000-0x0000000000C8A000-memory.dmp

    Filesize

    124KB

  • memory/1096-57-0x0000000000000000-mapping.dmp

  • memory/1252-63-0x0000000000000000-mapping.dmp

  • memory/1952-54-0x00000000758C1000-0x00000000758C3000-memory.dmp

    Filesize

    8KB

  • memory/1952-61-0x0000000000400000-0x0000000000AE5000-memory.dmp

    Filesize

    6.9MB

  • memory/1952-60-0x0000000000310000-0x000000000034E000-memory.dmp

    Filesize

    248KB

  • memory/1952-59-0x0000000000BAB000-0x0000000000BCA000-memory.dmp

    Filesize

    124KB