Overview

overview

10

Static

static

IMG_Order ...MH.doc

windows7_x64

10

IMG_Order ...MH.doc

windows10_x64

10

Sharing

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General

  • Target

    IMG_Order PO 094765 SMH.doc

  • Size

    241KB

  • Sample

    210920-n9z7msead3

  • MD5

    09c275af1fe403ef1955cf691179cb33

  • SHA1

    49b1427effc50d6949c45e22fecbbfba4b2380c5

  • SHA256

    4a67cc05b5f45a774fafb1da0a0e8ac0f3839a0b520c0b2346bbeeace304aa77

  • SHA512

    4e48d08153575ce1238591654f557cc410d36b04f9e9160d0d26f9db9e1e3cb5ec267654af9a97eaad544d0e43f9a5fe2b1b27bfc2ddc16ee2aec8efe00e05ef

Score
10/10
xpertrattestevasionpersistencerattrojan

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

httP://esetnode32-antiviru.ydns.eu/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

      IMG_Order PO 094765 SMH.doc

    • Size

      241KB

    • MD5

      09c275af1fe403ef1955cf691179cb33

    • SHA1

      49b1427effc50d6949c45e22fecbbfba4b2380c5

    • SHA256

      4a67cc05b5f45a774fafb1da0a0e8ac0f3839a0b520c0b2346bbeeace304aa77

    • SHA512

      4e48d08153575ce1238591654f557cc410d36b04f9e9160d0d26f9db9e1e3cb5ec267654af9a97eaad544d0e43f9a5fe2b1b27bfc2ddc16ee2aec8efe00e05ef

    Score
    10/10
    xpertrattestevasionpersistencerattrojan

    • Process spawned unexpected child process

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

    • UAC bypass

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • 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

    • Adds policy Run key to start application

      persistence

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Windows security modification

      evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2
T1060

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

3
T1089

Modify Registry

7
T1112

Credential Access

Discovery

System Information Discovery

4
T1082

Query Registry

2
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks