Analysis
-
max time kernel
152s -
max time network
145s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20230831-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20230831-enkernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
11/10/2023, 03:41
Behavioral task
behavioral1
Sample
named.1
Resource
ubuntu1804-amd64-20230831-en
ubuntu-18.04-amd64
9 signatures
150 seconds
General
-
Target
names.1
-
Size
6.6MB
-
MD5
36b2fb7421b4415bd6bbac089d53d920
-
SHA1
6000b336aee1597daadd22b3895fef158a0696ef
-
SHA256
ddf26b7d856715d18fee4eb97fccc37056aa91e55f13795f1d3f15f47fd4cd5b
-
SHA512
f23ecc79caa81a1ae6f46e7db01b94424b6f60e8775fed90cc08d59419e3aaea6c436efd7453b61c7fced9ad2dd5c03de01b34c1795eb41721921a2348d62319
-
SSDEEP
98304:Ww8KkVc+dM/ukJz10lwhnSk7bNXIhu41PEfcy1voNVNadkSDjPEOsZlk6egJQ4/r:fkVc+M1H4ywD8TioVg
Malware Config
Signatures
-
ioc pid Process /lib/modules/4.15.0-161-generic/kernel/arch/x86/kernel/msr.ko 627 modprobe -
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 names.1 -
Checks hardware identifiers (DMI) 1 TTPs 4 IoCs
Checks DMI information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /sys/devices/virtual/dmi/id/product_name names.1 File opened for reading /sys/devices/virtual/dmi/id/board_vendor names.1 File opened for reading /sys/devices/virtual/dmi/id/bios_vendor names.1 File opened for reading /sys/devices/virtual/dmi/id/sys_vendor names.1 -
Reads CPU attributes 1 TTPs 45 IoCs
description ioc Process File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/coherency_line_size names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/number_of_sets names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/physical_line_partition names.1 File opened for reading /sys/devices/system/cpu/cpu0/topology/cluster_cpus names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/type names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/number_of_sets names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/type names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/id names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/size names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index4/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/topology/thread_siblings names.1 File opened for reading /sys/devices/system/cpu/cpu0/topology/die_cpus names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/level names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/number_of_sets names.1 File opened for reading /sys/devices/system/cpu/online names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/id names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index8/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq names.1 File opened for reading /sys/devices/system/cpu/cpu0/topology/core_id names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/level names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index5/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index7/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/possible names.1 File opened for reading /sys/devices/system/cpu/cpu0/topology/physical_package_id names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/physical_line_partition names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/level names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/physical_line_partition names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/type names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index6/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/size names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/id names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/type names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/size names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index9/shared_cpu_map names.1 File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/base_frequency names.1 File opened for reading /sys/devices/system/cpu/cpu0/topology/core_siblings names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/level names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/id names.1 File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/coherency_line_size names.1 File opened for reading /sys/devices/system/cpu/cpu0/cpu_capacity names.1 -
Reads hardware information 1 TTPs 14 IoCs
Accesses system info like serial numbers, manufacturer names etc.
description ioc Process File opened for reading /sys/devices/virtual/dmi/id/bios_version names.1 File opened for reading /sys/devices/virtual/dmi/id/product_serial names.1 File opened for reading /sys/devices/virtual/dmi/id/product_uuid names.1 File opened for reading /sys/devices/virtual/dmi/id/board_name names.1 File opened for reading /sys/devices/virtual/dmi/id/chassis_vendor names.1 File opened for reading /sys/devices/virtual/dmi/id/chassis_serial names.1 File opened for reading /sys/devices/virtual/dmi/id/product_version names.1 File opened for reading /sys/devices/virtual/dmi/id/board_version names.1 File opened for reading /sys/devices/virtual/dmi/id/chassis_asset_tag names.1 File opened for reading /sys/devices/virtual/dmi/id/bios_date names.1 File opened for reading /sys/devices/virtual/dmi/id/board_serial names.1 File opened for reading /sys/devices/virtual/dmi/id/board_asset_tag names.1 File opened for reading /sys/devices/virtual/dmi/id/chassis_type names.1 File opened for reading /sys/devices/virtual/dmi/id/chassis_version names.1 -
Enumerates kernel/hardware configuration 1 TTPs 24 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
description ioc Process File opened for reading /sys/devices/system/node/node0/access1/initiators names.1 File opened for reading /sys/devices/system/node/node0/access0/initiators/read_bandwidth names.1 File opened for reading /sys/devices/system/node/node0/access0/initiators/write_latency names.1 File opened for reading /sys/fs/cgroup/cpuset/cpuset.cpus names.1 File opened for reading /sys/devices/system/cpu names.1 File opened for reading /sys/devices/system/node/node0/meminfo names.1 File opened for reading /sys/firmware/dmi/tables/smbios_entry_point Process not Found File opened for reading /sys/firmware/dmi/tables/DMI Process not Found File opened for reading /sys/devices/system/node/node0/cpumap names.1 File opened for reading /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages names.1 File opened for reading /sys/devices/system/node/node0/access0/initiators/read_latency names.1 File opened for reading /sys/devices/system/node/node0/hugepages names.1 File opened for reading /sys/bus/dax/devices names.1 File opened for reading /sys/module/msr/initstate modprobe File opened for reading /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages Process not Found File opened for reading /sys/kernel/mm/hugepages names.1 File opened for reading /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages names.1 File opened for reading /sys/devices/system/node/online names.1 File opened for reading /sys/devices/system/node/node0/access0/initiators/write_bandwidth names.1 File opened for reading /sys/devices/virtual/dmi/id names.1 File opened for reading /sys/devices/system/node/node0/hugepages/hugepages-2048kB/free_hugepages Process not Found File opened for reading /sys/fs/cgroup/unified/cgroup.controllers names.1 File opened for reading /sys/fs/cgroup/cpuset/cpuset.mems names.1 File opened for reading /sys/devices/system/node/node0/access0/initiators names.1 -
Reads runtime system information 6 IoCs
Reads data from /proc virtual filesystem.
description ioc Process File opened for reading /proc/meminfo Process not Found File opened for reading /proc/cmdline modprobe File opened for reading /proc/mounts names.1 File opened for reading /proc/self/cpuset names.1 File opened for reading /proc/meminfo names.1 File opened for reading /proc/driver/nvidia/gpus names.1
Processes
-
/tmp/names.1/tmp/names.11⤵
- Checks CPU configuration
- Checks hardware identifiers (DMI)
- Reads CPU attributes
- Reads hardware information
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:615
-
/bin/shsh -c "/sbin/modprobe msr allow_writes=on > /dev/null 2>&1"1⤵PID:626
-
/sbin/modprobe/sbin/modprobe msr "allow_writes=on"2⤵
- Loads a kernel module
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:627
-