Overview

overview

10

Static

static

3

Rebel/Bin/...or.exe

windows7-x64

5

Rebel/Bin/...or.exe

windows10-2004-x64

5

Rebel/Bin/Rebel.dll

windows7-x64

1

Rebel/Bin/Rebel.dll

windows10-2004-x64

1

Rebel/Fast...ox.dll

windows7-x64

1

Rebel/Fast...ox.dll

windows10-2004-x64

1

Rebel/Rebe...ed.exe

windows7-x64

8

Rebel/Rebe...ed.exe

windows10-2004-x64

10

Rebel/Syst...om.dll

windows7-x64

1

Rebel/Syst...om.dll

windows10-2004-x64

1

Sharing

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General

  • Target

    Rebel.zip

  • Size

    21.3MB

  • Sample

    240824-rmlmhstfrd

  • MD5

    a9961347c2bf461935d49b18c44de4d8

  • SHA1

    b0e6467d491a08800c5ba22c850150f12f9469e9

  • SHA256

    7d95f2dbdfffd9227cc5832d6ee21c385a18c43b4155edc3a9fc1d988c63bf78

  • SHA512

    3f1fff87139c40c36d73a84067b0b6714a2899d4d15207c9def07ddb70ae1aeb718546fc1e7092b3e709fe5cf0022be716f4bef937d89d4edab0d1f4c23bc1ea

  • SSDEEP

    393216:N1gER06ohhz3+cMDTvxqIDhVYZT/cXP+Z/ZRcWOt2nZLOhpLD4PJUF8XlhlchC3c:N1Elh9Mv0ahKh0faTcOn1OhpP4RUF8Ve

Score
10/10
exelastealercollectioncredential_accessdefense_evasiondiscoveryevasionexecutionpersistenceprivilege_escalationpyinstallerspywarestealerupx

Malware Config

Targets

    • Target

      Rebel/Bin/Injector.exe

    • Size

      4.8MB

    • MD5

      8da7ffaee1e5988d56e536d37a5e5d7d

    • SHA1

      ed799e5ec866ec3dff0bffb306de4b1ab2ca2361

    • SHA256

      7450c90fad1d9ed73652c7fee391adb41ee2c62d5d43f3bdcab945e3fdec5485

    • SHA512

      34579bfbee7ec802322b12cc91276dc440d2df63d8e02b55ec303a19b4a198810a97157cf82739d0c30a509928d797142cee133aec994f0c8f5c58c5a6aebd16

    • SSDEEP

      98304:2sscM3M0egRUUYdiVF0Zx5NMEuRdvwp1cpY1t83Szkkak0jIiGELfHNz:Vrf0egyUKiVF0rF+dmcQtQSzkkakuR7V

    Score
    5/10

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      Rebel/Bin/Rebel.dll

    • Size

      8.6MB

    • MD5

      660d2429fc5f088bd197fb0958303936

    • SHA1

      4189d1ba115f9e00caceb286f22655c6988e1eb6

    • SHA256

      c9b95b9204234edfab46912d21953e3a6985a6b7d50c4fd63372e3d5361c7f3d

    • SHA512

      9875fff045460f77dfc21cecd1de326d67778efd12fe8f53fc09bacfec807a9309752ed4bbb23653060fbee9152dd7c9a9bfda3a0c13c0375a1db932a02a197d

    • SSDEEP

      98304:kz+S5QwKbQLCsjIpdUqsQf3/sfRMyxl5dn5Sz29f49EzFgfVp+t:WrS2LXjIpyDS3/0aWfmC

    Score
    1/10
    behavioral3behavioral4

    • Target

      Rebel/FastColoredTextBox.dll

    • Size

      323KB

    • MD5

      8610f4d3cdc6cc50022feddced9fdaeb

    • SHA1

      4b60b87fd696b02d7fce38325c7adfc9e806f650

    • SHA256

      ac926c92ccfc3789a5ae571cc4415eb1897d500a79604d8495241c19acdf01b9

    • SHA512

      693d1af1f89470eab659b4747fe344836affa0af8485b0c0635e2519815e5a498f4618ea08db9dcf421aac1069a04616046207ee05b9ed66c0a1c4a8f0bddd09

    • SSDEEP

      6144:0R0J4lx4/7BA4xvNdcwCOg04j0y5mwZkdmsqmLDi5eNH+Dl1SIP0:0R0J48lAovNd7CO34D4b4eNO

    Score
    1/10
    behavioral5behavioral6

    • Target

      Rebel/RebelCracked.exe

    • Size

      12.0MB

    • MD5

      f000635d073452067c4cb62e5b86dc89

    • SHA1

      9b0738a6b5ef860f99b1c1c63051ec9df64c00ad

    • SHA256

      11b8d77615bf67f99ff344792f5739eb73157866f548c59ebcfcac70d5a6ef88

    • SHA512

      ae3627afaf1678cf9707ebc97aa0f052ec9cda45e278edc8ca58236ff39c034f65d5391071545188bbe8ea5a6ca863cf9a52c03e334d7edd2f52889d25ebf6e6

    • SSDEEP

      196608:pUOSVLnGmLiOwurZtOtvPpEujDSRZjBybLqDDFZhZNSvg23fQnXXOw8sUl6Q/+qS:peVLGQiJurZtO71jDSvVyXqfFbZCbQfL

    Score
    10/10
    discoveryexecutionpyinstallerupxexelastealercollectioncredential_accessdefense_evasionevasionpersistenceprivilege_escalationspywarestealer

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

      stealerexelastealer

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

      credential_accessstealer

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • UPX packed file

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

      upx

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery

    • Enumerates processes with tasklist

      discovery

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral7behavioral8

    • Target

      Rebel/System.CodeDom.dll

    • Size

      30KB

    • MD5

      59c830ac0d99f8c906292de85f804b84

    • SHA1

      68b6740e6ce97de8b1398f3a6e320940a0e16458

    • SHA256

      e8c88b0448083663910587efeacb6a1977749fe3ffe83b263fc01f7b63d7dfd2

    • SHA512

      4028fa6b68eb3a48bb9625e6755c8e3022283694bb603905af3db54c31bc2f7291aec11f7c42a033703f84c3ff265a19416eb8798058cc42ee3c14c633e9588f

    • SSDEEP

      384:FuE8ujCiLMTPji3h8241EEqYC0iIcwBxehzsCtZ7U6r1fDMqyt5/WduWTTb2HRNq:FDBCi4TWaveEqYChzZpgRoj/iP9zgBV

    Score
    1/10
    behavioral10behavioral9

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Account Manipulation

1
T1098

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Network Service Discovery

1
T1046

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Process Discovery

1
T1057

Query Registry

2
T1012

System Information Discovery

5
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

System Network Connections Discovery

1
T1049

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks