Overview

overview

10

Static

static

fe477fe96d...54.exe

windows7-x64

10

fe477fe96d...54.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fe477fe96dbdb74a7c725429231e78a414f348b7a22c7b71c5a864dcd9829f54

  • Size

    352KB

  • Sample

    221127-rve5psdg87

  • MD5

    332ea30ddd5f5945160940049cdd81db

  • SHA1

    2621d2623492360f0e18f15809000e9e1fb61425

  • SHA256

    fe477fe96dbdb74a7c725429231e78a414f348b7a22c7b71c5a864dcd9829f54

  • SHA512

    dfa0deb49065f532c4acce68c75e4c3e205a3d27a25ace7a133e47ef11a35899b76f7d9b83c46e7285fadcf0a25eb1fd5875cd9471eaa6b1f6faead01decae34

  • SSDEEP

    6144:k/AyZ6AZgyOCIheMocOyh4XV8JnkiYyZXlva5XnF1s9pS/BJUz/ugM8e6/j:k/Atj/Oz5+BUJFCXS/vUz/vM8e

Score
10/10
isrstealercollectionpersistencestealertrojanupx

Malware Config

Targets

    • Target

      fe477fe96dbdb74a7c725429231e78a414f348b7a22c7b71c5a864dcd9829f54

    • Size

      352KB

    • MD5

      332ea30ddd5f5945160940049cdd81db

    • SHA1

      2621d2623492360f0e18f15809000e9e1fb61425

    • SHA256

      fe477fe96dbdb74a7c725429231e78a414f348b7a22c7b71c5a864dcd9829f54

    • SHA512

      dfa0deb49065f532c4acce68c75e4c3e205a3d27a25ace7a133e47ef11a35899b76f7d9b83c46e7285fadcf0a25eb1fd5875cd9471eaa6b1f6faead01decae34

    • SSDEEP

      6144:k/AyZ6AZgyOCIheMocOyh4XV8JnkiYyZXlva5XnF1s9pS/BJUz/ugM8e6/j:k/Atj/Oz5+BUJFCXS/vUz/vM8e

    Score
    10/10
    isrstealercollectionpersistencestealertrojanupx

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

      trojanstealerisrstealer

    • ISR Stealer payload

    • NirSoft MailPassView

      Password recovery tool for various email clients

    • Nirsoft

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook accounts

      collection

    • Adds Run key to start application

      persistence

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks