Analysis

  • max time kernel
    91s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-05-2022 13:48

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 2 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 49 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 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:3040
    • 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:1516
      • 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:3704

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

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

    126KB

    MD5

    cab629e61884212c046e0147a3585f5f

    SHA1

    10265561adbdfb39dac01337468f183c336fcd71

    SHA256

    3dfdec90c5e2ebde218405a6f6283637c12dca1b4a7bc465c9b752b8f700c6e9

    SHA512

    fbdfb02cf61e510690742429168db1378d7c09df7441b09d771371833861c58d673913f93c20583d66891b3883b6ecce19313a966471c2f79c3e9482bdf5e9a9

  • memory/1516-138-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1516-136-0x0000000000000000-mapping.dmp
  • memory/1516-137-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1516-139-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1516-140-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3040-134-0x0000000006A30000-0x0000000006ACC000-memory.dmp
    Filesize

    624KB

  • memory/3040-135-0x0000000006AD0000-0x0000000006B36000-memory.dmp
    Filesize

    408KB

  • memory/3040-130-0x0000000000AA0000-0x0000000000AAC000-memory.dmp
    Filesize

    48KB

  • memory/3040-133-0x0000000005450000-0x000000000545A000-memory.dmp
    Filesize

    40KB

  • memory/3040-132-0x0000000005460000-0x00000000054F2000-memory.dmp
    Filesize

    584KB

  • memory/3040-131-0x0000000005B20000-0x00000000060C4000-memory.dmp
    Filesize

    5.6MB

  • memory/3704-141-0x0000000000000000-mapping.dmp
  • memory/3704-145-0x0000000000750000-0x0000000000774000-memory.dmp
    Filesize

    144KB