Analysis
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max time kernel
153s -
max time network
146s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20231026-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20231026-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
21-11-2023 15:51
Behavioral task
behavioral1
Sample
sample.tar
Resource
win7-20231023-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
sample.tar
Resource
win10v2004-20231023-en
windows10-2004-x64
3 signatures
150 seconds
Behavioral task
behavioral3
Sample
config.json
Resource
win7-20231023-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral4
Sample
config.json
Resource
win10v2004-20231023-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
php
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Size
6.7MB
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MD5
199b790d05724170f3e6583500799db1
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SHA1
c0cab89a9dc3eb30f99d3577ffd82defda7dd03b
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SHA256
20a0864cb7dac55c184bd86e45a6e0acbd4bb19aa29840b824d369de710b6152
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SHA512
19e3d5a7ad43f89bda7303243bfa24ef0a91a2d6e1f2ec65a92cc5b13863ff45feddfd4141c0fec9148f30fd5a2fee5740eae237d03fe5f1c38de2e6b231ab1d
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SSDEEP
196608:mGyx2Z/ccFGeLoC0Sbg7X+WloiMbqRoQ6:msioQ6
Malware Config
Signatures
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ioc pid Process /lib/modules/4.15.0-213-generic/kernel/arch/x86/kernel/msr.ko 1563 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 php -
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 php File opened for reading /sys/devices/virtual/dmi/id/board_vendor php File opened for reading /sys/devices/virtual/dmi/id/bios_vendor php File opened for reading /sys/devices/virtual/dmi/id/sys_vendor php -
Reads CPU attributes 1 TTPs 45 IoCs
description ioc Process File opened for reading /sys/devices/system/cpu/cpu0/topology/thread_siblings php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/level php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/number_of_sets php File opened for reading /sys/devices/system/cpu/cpu0/cache/index4/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index8/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/type php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/coherency_line_size php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/size php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/physical_line_partition php File opened for reading /sys/devices/system/cpu/cpu0/cpu_capacity php File opened for reading /sys/devices/system/cpu/cpu0/topology/cluster_cpus php File opened for reading /sys/devices/system/cpu/cpu0/topology/physical_package_id php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/physical_line_partition php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index6/shared_cpu_map php File opened for reading /sys/devices/system/cpu/possible php File opened for reading /sys/devices/system/cpu/cpu0/topology/core_id php File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/id php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/level php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/id php File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/id php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/level php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/id php File opened for reading /sys/devices/system/cpu/cpu0/cache/index5/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/number_of_sets php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/physical_line_partition php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/type php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/size php File opened for reading /sys/devices/system/cpu/online php File opened for reading /sys/devices/system/cpu/cpu0/topology/die_cpus php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/type php File opened for reading /sys/devices/system/cpu/cpu0/cache/index7/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cache/index9/shared_cpu_map php File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/base_frequency php File opened for reading /sys/devices/system/cpu/cpu0/topology/core_siblings php File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/size php File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/level php File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/number_of_sets php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/type php File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/coherency_line_size php -
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/chassis_serial php File opened for reading /sys/devices/virtual/dmi/id/bios_version php File opened for reading /sys/devices/virtual/dmi/id/product_version php File opened for reading /sys/devices/virtual/dmi/id/board_version php File opened for reading /sys/devices/virtual/dmi/id/board_asset_tag php File opened for reading /sys/devices/virtual/dmi/id/chassis_vendor php File opened for reading /sys/devices/virtual/dmi/id/chassis_type php File opened for reading /sys/devices/virtual/dmi/id/chassis_asset_tag php File opened for reading /sys/devices/virtual/dmi/id/bios_date php File opened for reading /sys/devices/virtual/dmi/id/product_serial php File opened for reading /sys/devices/virtual/dmi/id/product_uuid php File opened for reading /sys/devices/virtual/dmi/id/board_name php File opened for reading /sys/devices/virtual/dmi/id/board_serial php File opened for reading /sys/devices/virtual/dmi/id/chassis_version php -
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 php File opened for reading /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages Process not Found File opened for reading /sys/fs/cgroup/cpuset/cpuset.mems php File opened for reading /sys/devices/system/node/online php File opened for reading /sys/devices/system/node/node0/access0/initiators/read_bandwidth php File opened for reading /sys/devices/system/node/node0/access0/initiators/write_latency php File opened for reading /sys/devices/virtual/dmi/id php File opened for reading /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages php File opened for reading /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages php File opened for reading /sys/kernel/mm/hugepages php File opened for reading /sys/devices/system/node/node0/hugepages php File opened for reading /sys/devices/system/node/node0/access0/initiators/write_bandwidth php File opened for reading /sys/devices/system/node/node0/access0/initiators/read_latency php File opened for reading /sys/firmware/dmi/tables/DMI php 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 php File opened for reading /sys/devices/system/cpu php File opened for reading /sys/devices/system/node/node0/meminfo php File opened for reading /sys/bus/dax/devices php File opened for reading /sys/devices/system/node/node0/access0/initiators php File opened for reading /sys/firmware/dmi/tables/smbios_entry_point php File opened for reading /sys/module/msr/initstate modprobe File opened for reading /sys/fs/cgroup/cpuset/cpuset.cpus php File opened for reading /sys/devices/system/node/node0/cpumap php -
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/mounts php File opened for reading /proc/self/cpuset php File opened for reading /proc/meminfo php File opened for reading /proc/driver/nvidia/gpus php File opened for reading /proc/cmdline modprobe -
Writes file to tmp directory 1 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/config.json php
Processes
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/tmp/php/tmp/php1⤵
- Checks CPU configuration
- Checks hardware identifiers (DMI)
- Reads CPU attributes
- Reads hardware information
- Enumerates kernel/hardware configuration
- Reads runtime system information
- Writes file to tmp directory
PID:1552 -
/bin/shsh -c "/sbin/modprobe msr allow_writes=on > /dev/null 2>&1"2⤵PID:1562
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/sbin/modprobe/sbin/modprobe msr "allow_writes=on"3⤵
- Loads a kernel module
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:1563
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