General

  • Target

    RFQ 80479040.doc

  • Size

    62KB

  • Sample

    220930-mkdrnseber

  • MD5

    6328c4a16d653cb10c3b042301b2d6c3

  • SHA1

    4dba059a50044581f2741868ce850618a042f0b5

  • SHA256

    9e7f45fc3fe9b1849e1308f416aa57cf62588ca43359630649943b40fcf07856

  • SHA512

    6d46cc27a4786b0072f1a53cdbd6e3c42e646b6f441ef39eee0630e37863c90bf8c8e40ee026af7cd98ac14474ff96b787ccab941f995fd7db80d0dcc4c2725f

Malware Config

Extracted

Family

netwire

C2

37.0.14.206:3384

Attributes
activex_autorun
false
copy_executable
true
delete_original
false
host_id
HostId-%Rand%
install_path
%AppData%\Install\Host.exe
keylogger_dir
%AppData%\Logs\
lock_executable
true
offline_keylogger
true
password
Password234
registry_autorun
false
use_mutex
false

Targets

    • Target

      RFQ 80479040.doc

    • Size

      62KB

    • MD5

      6328c4a16d653cb10c3b042301b2d6c3

    • SHA1

      4dba059a50044581f2741868ce850618a042f0b5

    • SHA256

      9e7f45fc3fe9b1849e1308f416aa57cf62588ca43359630649943b40fcf07856

    • SHA512

      6d46cc27a4786b0072f1a53cdbd6e3c42e646b6f441ef39eee0630e37863c90bf8c8e40ee026af7cd98ac14474ff96b787ccab941f995fd7db80d0dcc4c2725f

    • NetWire RAT payload

    • Netwire

      Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix

Command and Control

    Credential Access

    Defense Evasion

    Execution

      Exfiltration

        Impact

          Initial Access

            Lateral Movement

              Persistence

              Privilege Escalation