Overview

overview

10

Static

static

3

Blue.cc.rar

windows10-ltsc 2021-x64

10

Blue.cc/Bl...cc.exe

windows10-ltsc 2021-x64

10

Blue.cc/Bl...�!.txt

windows10-ltsc 2021-x64

1

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General

  • Target

    Blue.cc.rar

  • Size

    5.7MB

  • Sample

    250120-kah8aszrer

  • MD5

    abb20aafcb03673f84be810610e73262

  • SHA1

    08e131e5ef59e64d7713aeec34d336ee602e8187

  • SHA256

    f4e113eaba1238c566ce7eb0a0d8cc1a579d0044533a949098fc332dd25d2146

  • SHA512

    26f01b7a4192c27e685b6b84392cae04bd36ef876b518ee652cd81bd334b78ec612900231e3f828b991c8142eefe45206fcc3976570d6070fafe085e2751b7ad

  • SSDEEP

    98304:nPzPxjBNchBLJX4jTq+Q0SBPOOx7G1NcL+X1pYjJT1xMetHxPP+NlU7qG7BnjuAl:nPdBNcRX9FBm4SciDY91KetRHIM9QRPY

Score
10/10
dcratxmrigdiscoveryevasionexecutioninfostealerminerpersistenceratspywarestealerupx

Malware Config

Targets

    • Target

      Blue.cc.rar

    • Size

      5.7MB

    • MD5

      abb20aafcb03673f84be810610e73262

    • SHA1

      08e131e5ef59e64d7713aeec34d336ee602e8187

    • SHA256

      f4e113eaba1238c566ce7eb0a0d8cc1a579d0044533a949098fc332dd25d2146

    • SHA512

      26f01b7a4192c27e685b6b84392cae04bd36ef876b518ee652cd81bd334b78ec612900231e3f828b991c8142eefe45206fcc3976570d6070fafe085e2751b7ad

    • SSDEEP

      98304:nPzPxjBNchBLJX4jTq+Q0SBPOOx7G1NcL+X1pYjJT1xMetHxPP+NlU7qG7BnjuAl:nPdBNcRX9FBm4SciDY91KetRHIM9QRPY

    Score
    10/10
    dcratxmrigdiscoveryevasionexecutioninfostealerminerpersistenceratspywarestealerupx

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Xmrig family

      xmrig

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Creates new service(s)

      persistenceexecution

    • Stops running service(s)

      evasionexecution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral1

    • Target

      Blue.cc/Blue cc/blue.cc.exe

    • Size

      5.7MB

    • MD5

      f3edbc69d3579a04978e4a90825b2c86

    • SHA1

      0a4c0b114f28c63c021756d7d9009652712566e8

    • SHA256

      8afbd41db0f57e93abe9c3337571e9775eb15b96835252e3cfcdffe01d6fe0e4

    • SHA512

      4829622b1fe7fe86ef9dc9a793bb805664717dd32fab380678e0aa2cbc2d6e14ef1e4d8da86d1a99cf0e607c50dd9bbb8227eecef06e731a7596d1e8703db639

    • SSDEEP

      98304:YPzPxjBNchBLJX4jTq+Q0SBPOOx7G1NcL+X1pYjJT1xMetHxPP+NlU7qG7BnjuA7:YPdBNcRX9FBm4SciDY91KetRHIM9QRPY

    Score
    10/10
    dcratxmrigdiscoveryevasionexecutioninfostealerminerpersistenceratspywarestealerupx

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Xmrig family

      xmrig

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • XMRig Miner payload

      miner

    • Command and Scripting Interpreter: PowerShell

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

      execution

    • Creates new service(s)

      persistenceexecution

    • Stops running service(s)

      evasionexecution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

      persistence

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

      upx
    behavioral2

    • Target

      Blue.cc/Blue cc/ЧИТАЙ!.txt

    • Size

      63B

    • MD5

      0e52ad5b147a6efd058772568fa5e691

    • SHA1

      2ae384787a3e603814c8a5acc45f76874d7a2912

    • SHA256

      2b982299503296a48f0f4acbb85b0f72a335c7dfcc0551dbce9020cc8c61168e

    • SHA512

      28b408288d06a1bcebf93f3c554feaab84e18abcb99a9c1ac7e30e3de195c5a1847adc2f5baf6f9afaaba13c563aabe8a73ba9624b7bd31d30c59c430f0dcc75

    Score
    1/10
    behavioral3

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

2
T1569

Service Execution

2
T1569.002

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Power Settings

1
T1653

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Defense Evasion

Impair Defenses

1
T1562

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

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Service Stop

1
T1489

Tasks