Analysis

  • max time kernel
    113s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 13:08

General

  • Target

    file.exe

  • Size

    206KB

  • MD5

    243ee02d27bfa2ded4238d4ee5a18ac7

  • SHA1

    75bdfe33985f539d2366668301a8cda5750d3d62

  • SHA256

    fc0da7c727a890e450fced0089b195922cdba1b554c24b8c5f32b5c6f16cc147

  • SHA512

    6744c38c882a6a883b8b1094eb8f092d0289df8b905082727b4cd346abc2bf3d0c5e1ac011bd696c789cd4fefa09b3b97200e75f0c59dec19beb4bc6e1cca0b6

  • SSDEEP

    3072:4LNEmnuQpNv5k8EikeBw69BIlh955OECiBJKE4mRgA9oat8R9TJeSw0M:kBnvpU8Eikt69OP95AEhJLT1k9TJhw

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:1572
    • 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:1996
      • 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:2000
      • 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:1188
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {58DE8CAB-0DB2-481D-A1DC-7241332052BB} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1532
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:1604
    • C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe
      2⤵
      • Executes dropped EXE
      PID:828

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

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    206KB

    MD5

    243ee02d27bfa2ded4238d4ee5a18ac7

    SHA1

    75bdfe33985f539d2366668301a8cda5750d3d62

    SHA256

    fc0da7c727a890e450fced0089b195922cdba1b554c24b8c5f32b5c6f16cc147

    SHA512

    6744c38c882a6a883b8b1094eb8f092d0289df8b905082727b4cd346abc2bf3d0c5e1ac011bd696c789cd4fefa09b3b97200e75f0c59dec19beb4bc6e1cca0b6

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

    206KB

    MD5

    243ee02d27bfa2ded4238d4ee5a18ac7

    SHA1

    75bdfe33985f539d2366668301a8cda5750d3d62

    SHA256

    fc0da7c727a890e450fced0089b195922cdba1b554c24b8c5f32b5c6f16cc147

    SHA512

    6744c38c882a6a883b8b1094eb8f092d0289df8b905082727b4cd346abc2bf3d0c5e1ac011bd696c789cd4fefa09b3b97200e75f0c59dec19beb4bc6e1cca0b6

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

    206KB

    MD5

    243ee02d27bfa2ded4238d4ee5a18ac7

    SHA1

    75bdfe33985f539d2366668301a8cda5750d3d62

    SHA256

    fc0da7c727a890e450fced0089b195922cdba1b554c24b8c5f32b5c6f16cc147

    SHA512

    6744c38c882a6a883b8b1094eb8f092d0289df8b905082727b4cd346abc2bf3d0c5e1ac011bd696c789cd4fefa09b3b97200e75f0c59dec19beb4bc6e1cca0b6

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

    206KB

    MD5

    243ee02d27bfa2ded4238d4ee5a18ac7

    SHA1

    75bdfe33985f539d2366668301a8cda5750d3d62

    SHA256

    fc0da7c727a890e450fced0089b195922cdba1b554c24b8c5f32b5c6f16cc147

    SHA512

    6744c38c882a6a883b8b1094eb8f092d0289df8b905082727b4cd346abc2bf3d0c5e1ac011bd696c789cd4fefa09b3b97200e75f0c59dec19beb4bc6e1cca0b6

  • 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

    206KB

    MD5

    243ee02d27bfa2ded4238d4ee5a18ac7

    SHA1

    75bdfe33985f539d2366668301a8cda5750d3d62

    SHA256

    fc0da7c727a890e450fced0089b195922cdba1b554c24b8c5f32b5c6f16cc147

    SHA512

    6744c38c882a6a883b8b1094eb8f092d0289df8b905082727b4cd346abc2bf3d0c5e1ac011bd696c789cd4fefa09b3b97200e75f0c59dec19beb4bc6e1cca0b6

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

    206KB

    MD5

    243ee02d27bfa2ded4238d4ee5a18ac7

    SHA1

    75bdfe33985f539d2366668301a8cda5750d3d62

    SHA256

    fc0da7c727a890e450fced0089b195922cdba1b554c24b8c5f32b5c6f16cc147

    SHA512

    6744c38c882a6a883b8b1094eb8f092d0289df8b905082727b4cd346abc2bf3d0c5e1ac011bd696c789cd4fefa09b3b97200e75f0c59dec19beb4bc6e1cca0b6

  • \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/828-83-0x0000000000000000-mapping.dmp
  • memory/828-86-0x0000000000B7B000-0x0000000000B9A000-memory.dmp
    Filesize

    124KB

  • memory/828-87-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1188-82-0x00000000001E1000-0x00000000001FB000-memory.dmp
    Filesize

    104KB

  • memory/1188-72-0x0000000000000000-mapping.dmp
  • memory/1572-61-0x0000000000BCB000-0x0000000000BEA000-memory.dmp
    Filesize

    124KB

  • memory/1572-62-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1572-68-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1572-56-0x0000000000220000-0x000000000025E000-memory.dmp
    Filesize

    248KB

  • memory/1572-55-0x0000000000BCB000-0x0000000000BEA000-memory.dmp
    Filesize

    124KB

  • memory/1572-54-0x0000000076121000-0x0000000076123000-memory.dmp
    Filesize

    8KB

  • memory/1604-74-0x0000000000B8B000-0x0000000000BAA000-memory.dmp
    Filesize

    124KB

  • memory/1604-76-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1604-70-0x0000000000000000-mapping.dmp
  • memory/1996-69-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/1996-66-0x0000000000C4B000-0x0000000000C6A000-memory.dmp
    Filesize

    124KB

  • memory/1996-59-0x0000000000000000-mapping.dmp
  • memory/1996-67-0x0000000000400000-0x0000000000AE5000-memory.dmp
    Filesize

    6.9MB

  • memory/2000-64-0x0000000000000000-mapping.dmp