Overview

overview

9

Static

static

4fc3963ea1...84.exe

windows7-x64

9

4fc3963ea1...84.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    4fc3963ea12b1638b7480f1278c6332249cf759f8d961e7c8eebd07ac8281b84

  • Size

    959KB

  • Sample

    220719-zjdrhacch3

  • MD5

    2a87dd72470b2d643a93f13d133b786c

  • SHA1

    b5e148e73c7238b475ccfd15906ca4696f06c095

  • SHA256

    4fc3963ea12b1638b7480f1278c6332249cf759f8d961e7c8eebd07ac8281b84

  • SHA512

    e0e59ddf5b2d94dea69fbdbca383293600a27189bb789d81e3302c5161449ab01680bd35bee1658aa80f33f31da6af140c5cac0eb9bf8938368c3a26cfd04264

Score
9/10
collectionpersistence

Malware Config

Targets

    • Target

      4fc3963ea12b1638b7480f1278c6332249cf759f8d961e7c8eebd07ac8281b84

    • Size

      959KB

    • MD5

      2a87dd72470b2d643a93f13d133b786c

    • SHA1

      b5e148e73c7238b475ccfd15906ca4696f06c095

    • SHA256

      4fc3963ea12b1638b7480f1278c6332249cf759f8d961e7c8eebd07ac8281b84

    • SHA512

      e0e59ddf5b2d94dea69fbdbca383293600a27189bb789d81e3302c5161449ab01680bd35bee1658aa80f33f31da6af140c5cac0eb9bf8938368c3a26cfd04264

    Score
    9/10
    collectionpersistence

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • NirSoft WebBrowserPassView

      Password recovery tool for various web browsers

    • Nirsoft

    • Executes dropped EXE

    • Drops startup file

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks