Analysis

  • max time kernel
    224s
  • max time network
    245s
  • 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 08:51

General

  • Target

    a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce.exe

  • Size

    204KB

  • MD5

    b6a4ee6cf4cea7d1de16687b2ebec5fc

  • SHA1

    8d2332676ff1035b4301366cb63bc3b5be7485e0

  • SHA256

    a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce

  • SHA512

    4b1a6c2b8ff221032a3fa026734864445985525aaafe3d1bef72f14a3223d92ddb97dded9ab5e503bc2a3088049329947b9a3e65ece8bb8a24cfceb5069382eb

  • SSDEEP

    3072:HQ3btAefgQCl653lcS8ks5C43NZpTEvW8tocmyhJgv8ObYNQjXAhDa11mosu7f:iHfg17HwaZBK6vYNQjHWU

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 2 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 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.

  • 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 2 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\a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce.exe
    "C:\Users\Admin\AppData\Local\Temp\a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4388
    • 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:4432
      • 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:4640
      • 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:3140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4388 -s 1284
      2⤵
      • Program crash
      PID:3560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4388 -ip 4388
    1⤵
      PID:4532
    • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
      1⤵
      • Executes dropped EXE
      PID:4092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 416
        2⤵
        • Program crash
        PID:448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4092 -ip 4092
      1⤵
        PID:1604
      • C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        C:\Users\Admin\AppData\Local\Temp\50c1695437\rovwer.exe
        1⤵
        • Executes dropped EXE
        PID:2500

      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

        204KB

        MD5

        b6a4ee6cf4cea7d1de16687b2ebec5fc

        SHA1

        8d2332676ff1035b4301366cb63bc3b5be7485e0

        SHA256

        a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce

        SHA512

        4b1a6c2b8ff221032a3fa026734864445985525aaafe3d1bef72f14a3223d92ddb97dded9ab5e503bc2a3088049329947b9a3e65ece8bb8a24cfceb5069382eb

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

        204KB

        MD5

        b6a4ee6cf4cea7d1de16687b2ebec5fc

        SHA1

        8d2332676ff1035b4301366cb63bc3b5be7485e0

        SHA256

        a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce

        SHA512

        4b1a6c2b8ff221032a3fa026734864445985525aaafe3d1bef72f14a3223d92ddb97dded9ab5e503bc2a3088049329947b9a3e65ece8bb8a24cfceb5069382eb

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

        204KB

        MD5

        b6a4ee6cf4cea7d1de16687b2ebec5fc

        SHA1

        8d2332676ff1035b4301366cb63bc3b5be7485e0

        SHA256

        a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce

        SHA512

        4b1a6c2b8ff221032a3fa026734864445985525aaafe3d1bef72f14a3223d92ddb97dded9ab5e503bc2a3088049329947b9a3e65ece8bb8a24cfceb5069382eb

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

        204KB

        MD5

        b6a4ee6cf4cea7d1de16687b2ebec5fc

        SHA1

        8d2332676ff1035b4301366cb63bc3b5be7485e0

        SHA256

        a42ba2b19f7a692723fb15a66548853c42b1b298237475c114e1ecb4543567ce

        SHA512

        4b1a6c2b8ff221032a3fa026734864445985525aaafe3d1bef72f14a3223d92ddb97dded9ab5e503bc2a3088049329947b9a3e65ece8bb8a24cfceb5069382eb

      • 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/3140-146-0x0000000000000000-mapping.dmp
      • memory/4092-144-0x0000000000D80000-0x0000000000D9F000-memory.dmp
        Filesize

        124KB

      • memory/4092-145-0x0000000000400000-0x0000000000AE5000-memory.dmp
        Filesize

        6.9MB

      • memory/4388-140-0x0000000000DEE000-0x0000000000E0D000-memory.dmp
        Filesize

        124KB

      • memory/4388-141-0x0000000000400000-0x0000000000AE5000-memory.dmp
        Filesize

        6.9MB

      • memory/4388-132-0x0000000000DEE000-0x0000000000E0D000-memory.dmp
        Filesize

        124KB

      • memory/4388-134-0x0000000000400000-0x0000000000AE5000-memory.dmp
        Filesize

        6.9MB

      • memory/4388-133-0x0000000000D80000-0x0000000000DBE000-memory.dmp
        Filesize

        248KB

      • memory/4432-139-0x0000000000400000-0x0000000000AE5000-memory.dmp
        Filesize

        6.9MB

      • memory/4432-138-0x0000000000DAC000-0x0000000000DCB000-memory.dmp
        Filesize

        124KB

      • memory/4432-135-0x0000000000000000-mapping.dmp
      • memory/4640-142-0x0000000000000000-mapping.dmp