Overview

overview

10

Static

static

HEUR-Troja...44.exe

windows7-x64

10

HEUR-Troja...44.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    151s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2022 04:33

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General

  • Target

    HEUR-Trojan-Ransom.Win32.Generic-623b59622e8083f2a7fff7bfad29c66730a3799e22f13aea4789948568b0ba44.exe

  • Size

    62KB

  • MD5

    f86748683a9f6f5d6ab359135e3787d0

  • SHA1

    8863815a69d7a912b743d592756bdf40b6581035

  • SHA256

    623b59622e8083f2a7fff7bfad29c66730a3799e22f13aea4789948568b0ba44

  • SHA512

    2db4cc1e9f31d681f714e7d8773d3b820d071e3cc4702620f64bbf8802645a350452909201c01b78285c46f52da5de06d66546499e5863bff1013c5fab04441c

  • SSDEEP

    768:wKsMqCXfVcWW2M9ZkiANIUlsUliYLDwUzc80gmq3oP/oDt:wKsezM9ZkiAPlvr/0O8/oZ

Score
8/10
persistenceransomwarespywarestealer

Malware Config

Signatures

  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-623b59622e8083f2a7fff7bfad29c66730a3799e22f13aea4789948568b0ba44.exe
    "C:\Users\Admin\AppData\Local\Temp\HEUR-Trojan-Ransom.Win32.Generic-623b59622e8083f2a7fff7bfad29c66730a3799e22f13aea4789948568b0ba44.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3016

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Replay Monitor

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Downloads

  • memory/2100-135-0x0000000000000000-mapping.dmp
    Download
  • memory/2264-132-0x00000000007A0000-0x00000000007B6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/2264-133-0x00000000056D0000-0x0000000005C74000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/2264-134-0x00000000051C0000-0x0000000005252000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3016-136-0x0000000000000000-mapping.dmp
    Download