Resubmissions

18-04-2024 17:52

240418-wf7zdsbh81 7

17-04-2024 22:31

240417-2fsglagc59 10

General

  • Target

    t.sh

  • Size

    390B

  • Sample

    240417-2fsglagc59

  • MD5

    b13295bcc383f9aac088e73c3a610661

  • SHA1

    64925135b5a777adbf70e9a7e89690b388f51ddf

  • SHA256

    16d0a7267d5c80c3581a0b6ef3e30f00d68cd7b0017b69f50f20698fb5276f21

  • SHA512

    56093dba08ce2b104d11d006757b4823bafbaf2bf7d45a9429bdbf6f8de342aaeb2d22964f612a5522f70aacd2712392e2c4546f05db51eba43bd58d525447ac

Malware Config

Targets

    • Target

      t.sh

    • Size

      390B

    • MD5

      b13295bcc383f9aac088e73c3a610661

    • SHA1

      64925135b5a777adbf70e9a7e89690b388f51ddf

    • SHA256

      16d0a7267d5c80c3581a0b6ef3e30f00d68cd7b0017b69f50f20698fb5276f21

    • SHA512

      56093dba08ce2b104d11d006757b4823bafbaf2bf7d45a9429bdbf6f8de342aaeb2d22964f612a5522f70aacd2712392e2c4546f05db51eba43bd58d525447ac

    • xmrig

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

    • Contacts a large (2248941) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • XMRig Miner payload

    • Changes its process name

    • Executes dropped EXE

    • Loads a kernel module

      Loads a Linux kernel module, potentially to achieve persistence

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks CPU configuration

      Checks CPU information which indicate if the system is a virtual machine.

    • Checks hardware identifiers (DMI)

      Checks DMI information which indicate if the system is a virtual machine.

    • Creates/modifies Cron job

      Cron allows running tasks on a schedule, and is commonly used for malware persistence.

    • Enumerates running processes

      Discovers information about currently running processes on the system

    • Reads CPU attributes

    • Reads hardware information

      Accesses system info like serial numbers, manufacturer names etc.

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Discovery

Network Service Discovery

2
T1046

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Tasks