Analysis

  • max time kernel
    146s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-05-2022 07:53

General

  • Target

    4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df.exe

  • Size

    23KB

  • MD5

    f6a89138844ae967a364d21960ecf30d

  • SHA1

    49fedb666276b477e636e493be47d1011fddbf06

  • SHA256

    4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df

  • SHA512

    af81ed3093e5a46fad90efc073ea353bf3a192aa21081f2811d54cae2b8aaaaebf7e351f06f1d1dad22fef68ac5dc326333bdaec1ac0958fe716c111bfd25a30

Malware Config

Extracted

Family

amadey

Version

3.08

C2

190.123.44.138/Qbv2ff03/index.php

Signatures

  • Amadey

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

  • suricata: ET MALWARE Amadey CnC Check-In

    suricata: ET MALWARE Amadey CnC Check-In

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 51 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df.exe
    "C:\Users\Admin\AppData\Local\Temp\4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:480
    • C:\Users\Admin\AppData\Local\Temp\4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df.exe
      "C:\Users\Admin\AppData\Local\Temp\4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df.exe"
      2⤵
        PID:636
      • C:\Users\Admin\AppData\Local\Temp\4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df.exe
        "C:\Users\Admin\AppData\Local\Temp\4c53c592ba9ac00d3a729b34c3f1847d4f2fc26174bda2eaa1cff69d16b7e4df.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:3004
        • C:\Windows\SysWOW64\rundll32.exe
          "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\376fde80dfdc81\cred.dll, Main
          3⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • outlook_win_path
          PID:3664

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    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\Roaming\376fde80dfdc81\cred.dll
      Filesize

      126KB

      MD5

      cab629e61884212c046e0147a3585f5f

      SHA1

      10265561adbdfb39dac01337468f183c336fcd71

      SHA256

      3dfdec90c5e2ebde218405a6f6283637c12dca1b4a7bc465c9b752b8f700c6e9

      SHA512

      fbdfb02cf61e510690742429168db1378d7c09df7441b09d771371833861c58d673913f93c20583d66891b3883b6ecce19313a966471c2f79c3e9482bdf5e9a9

    • C:\Users\Admin\AppData\Roaming\376fde80dfdc81\cred.dll
      Filesize

      126KB

      MD5

      cab629e61884212c046e0147a3585f5f

      SHA1

      10265561adbdfb39dac01337468f183c336fcd71

      SHA256

      3dfdec90c5e2ebde218405a6f6283637c12dca1b4a7bc465c9b752b8f700c6e9

      SHA512

      fbdfb02cf61e510690742429168db1378d7c09df7441b09d771371833861c58d673913f93c20583d66891b3883b6ecce19313a966471c2f79c3e9482bdf5e9a9

    • memory/480-131-0x00000000051B0000-0x0000000005754000-memory.dmp
      Filesize

      5.6MB

    • memory/480-132-0x0000000004B10000-0x0000000004BA2000-memory.dmp
      Filesize

      584KB

    • memory/480-133-0x0000000004BB0000-0x0000000004BBA000-memory.dmp
      Filesize

      40KB

    • memory/480-134-0x0000000006100000-0x000000000619C000-memory.dmp
      Filesize

      624KB

    • memory/480-135-0x00000000061A0000-0x0000000006206000-memory.dmp
      Filesize

      408KB

    • memory/480-130-0x0000000000160000-0x000000000016C000-memory.dmp
      Filesize

      48KB

    • memory/636-136-0x0000000000000000-mapping.dmp
    • memory/3004-139-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3004-140-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3004-141-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3004-138-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/3004-137-0x0000000000000000-mapping.dmp
    • memory/3664-142-0x0000000000000000-mapping.dmp