Overview

overview

10

Static

static

28b41fbae3...b8.msi

windows10_x64

10

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General

  • Target

    28b41fbae3fec855c2f4779dde8d4e990d3e5ceede80a89bcf420a59459d84b8.msi

  • Size

    109.5MB

  • Sample

    211022-jh1a4scbdn

  • MD5

    0c873c9f4a961705dca7e6d72e940a2b

  • SHA1

    30c4a44da9233a30491a1ae3dd30c9fcfe0656ca

  • SHA256

    28b41fbae3fec855c2f4779dde8d4e990d3e5ceede80a89bcf420a59459d84b8

  • SHA512

    2f1b5a448ea169d987f86cc48b91a2ff06ad102d93e00611638e95b193d90062576e54d782c2189a3daf80a71ef0b1af1bd06496c6b7eb499e58309eabbc4884

Score
10/10
jupyteradwarebackdoordiscoverypersistencestealertrojan

Malware Config

Extracted

Family

jupyter

Version

SP-17

C2

http://188.241.83.61

Targets

    • Target

      28b41fbae3fec855c2f4779dde8d4e990d3e5ceede80a89bcf420a59459d84b8.msi

    • Size

      109.5MB

    • MD5

      0c873c9f4a961705dca7e6d72e940a2b

    • SHA1

      30c4a44da9233a30491a1ae3dd30c9fcfe0656ca

    • SHA256

      28b41fbae3fec855c2f4779dde8d4e990d3e5ceede80a89bcf420a59459d84b8

    • SHA512

      2f1b5a448ea169d987f86cc48b91a2ff06ad102d93e00611638e95b193d90062576e54d782c2189a3daf80a71ef0b1af1bd06496c6b7eb499e58309eabbc4884

    Score
    10/10
    jupyteradwarebackdoordiscoverypersistencestealertrojan

    • Jupyter Backdoor/Client Payload

    • Jupyter, SolarMarker

      Jupyter is a backdoor and infostealer first seen in mid 2020.

      backdoortrojanstealerjupyter

    • Registers COM server for autorun

      persistence

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Registers new Print Monitor

      persistence

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

      stealeradware

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

3
T1060

Browser Extensions

1
T1176

Privilege Escalation

Defense Evasion

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

2
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks