Overview

overview

10

Static

static

paymen_invoice.doc

windows7_x64

10

paymen_invoice.doc

windows10_x64

10

Sharing

Copy URL
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General

  • Target

    paymen_invoice.doc

  • Size

    340KB

  • Sample

    210906-nt3mtsebel

  • MD5

    285d05dd2a3a053e5095f09b609fca64

  • SHA1

    668f3a6f6fa038bdbcd0e57d32783f37c259469d

  • SHA256

    e31f5bfd01e6d5876991d6aae68921b7510090d880d2602ed57032e7d14a9cae

  • SHA512

    1db0f843078059020981aba55b5fe40d72ec5cc1aa0903353bde23e28299cfd732435760f80e7423c7b999e64e810090bfbaa2f90609aa426cd79074c655c407

Score
10/10
xpertrattestrat

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

httP://192.3.194.242/EXCEL.exe

Extracted

Family

xpertrat

Version

3.0.10

Botnet

Test

C2

kapasky-antivirus.firewall-gateway.net:4000

Mutex

L3Q7J4T2-J8A6-L6O4-W4G3-U5J7D0W2W5F0

Targets

    • Target

      paymen_invoice.doc

    • Size

      340KB

    • MD5

      285d05dd2a3a053e5095f09b609fca64

    • SHA1

      668f3a6f6fa038bdbcd0e57d32783f37c259469d

    • SHA256

      e31f5bfd01e6d5876991d6aae68921b7510090d880d2602ed57032e7d14a9cae

    • SHA512

      1db0f843078059020981aba55b5fe40d72ec5cc1aa0903353bde23e28299cfd732435760f80e7423c7b999e64e810090bfbaa2f90609aa426cd79074c655c407

    Score
    10/10
    xpertrattestrat

    • Process spawned unexpected child process

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

    • XpertRAT

      XpertRAT is a remote access trojan with various capabilities.

      ratxpertrat

    • XpertRAT Core Payload

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks