Resubmissions

18-10-2022 00:37

221018-aytntseafn 10

17-10-2022 22:32

221017-2f2p9sdfgl 10

General

  • Target

    5f52f4c26c16eceec69e49f93133b4fea3598f840ce5d8065d668dd99f47583c

  • Size

    345KB

  • Sample

    221017-2f2p9sdfgl

  • MD5

    f1d121ab68b439ac310fb79119ffb044

  • SHA1

    f952140c206d96843baa79f2e0e8454c07fa683a

  • SHA256

    5f52f4c26c16eceec69e49f93133b4fea3598f840ce5d8065d668dd99f47583c

  • SHA512

    ca0a381a392f9ac1c2954042759955b50e6c1fa735609ac69710658e51c48191f0d99469847b3ebf3f40ce854cb0595387ad986aeacbb5ebd8d05666746e6d6d

  • SSDEEP

    6144:GK5lpVV+1MszHze0x/qgMyy4oh5VyrsyaO6enVX9Pv71L8Er8:Hv1YzeDyy4osa6ljQE

Malware Config

Extracted

Family

redline

Botnet

875784825

C2

79.137.192.6:8362

Targets

    • Target

      5f52f4c26c16eceec69e49f93133b4fea3598f840ce5d8065d668dd99f47583c

    • Size

      345KB

    • MD5

      f1d121ab68b439ac310fb79119ffb044

    • SHA1

      f952140c206d96843baa79f2e0e8454c07fa683a

    • SHA256

      5f52f4c26c16eceec69e49f93133b4fea3598f840ce5d8065d668dd99f47583c

    • SHA512

      ca0a381a392f9ac1c2954042759955b50e6c1fa735609ac69710658e51c48191f0d99469847b3ebf3f40ce854cb0595387ad986aeacbb5ebd8d05666746e6d6d

    • SSDEEP

      6144:GK5lpVV+1MszHze0x/qgMyy4oh5VyrsyaO6enVX9Pv71L8Er8:Hv1YzeDyy4osa6ljQE

    • Modifies security service

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • xmrig

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

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Stops running service(s)

    • UPX packed file

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

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Uses the VBS compiler for execution

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

1
T1562

Scripting

1
T1064

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Impact

Service Stop

1
T1489

Tasks