xmrig_linux | 105e32c8ef13d4d001923c1a43a8849d069fc4adebe48e5e6a9e726eb605ce31

Analysis

max time kernel
6s
platform
debian-9_armhf
resource
debian9-armhf-20240226-en
resource tags

arch:armhfimage:debian9-armhf-20240226-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem
submitted
07-03-2024 18:02

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General

Target

.rsync/a/stop
Size

703B
MD5

ff77f6a6f72a80258f484c99fdeb4626
SHA1

36aa94b0ca1ced83d1a24f954f7e2113727797ef
SHA256

d3bf59b23ca07761b6a13739894fec5516a47e388ea3cae9f54a076c0be81c54
SHA512

4f18f5e91f2c791b27d5121a852f7457ba6c3e5193b510868dc412325978a96a60b303c0c1713fc13856c8827a39ee1c0476fb19b397f59a474e13b0896c003d

Score

10^/10

xmrig_linux miner

Malware Config

Signatures

xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig_linux

Attempts to change immutable files 1 IoCs

Modifies inode attributes on the filesystem to allow changing of immutable files.

Processes:

chattr

pid	Process
676	chattr

Enumerates running processes
Discovers information about currently running processes on the system

Reads CPU attributes 1 TTPs 12 IoCs

System Information Discovery

T1082

Processes:

pspspspkillpkillpspkillpkillpkillpspkillps

description	ioc	Process
File opened for reading	/sys/devices/system/cpu/online	ps
File opened for reading	/sys/devices/system/cpu/online	ps
File opened for reading	/sys/devices/system/cpu/online	ps
File opened for reading	/sys/devices/system/cpu/online	pkill
File opened for reading	/sys/devices/system/cpu/online	pkill
File opened for reading	/sys/devices/system/cpu/online	ps
File opened for reading	/sys/devices/system/cpu/online	pkill
File opened for reading	/sys/devices/system/cpu/online	pkill
File opened for reading	/sys/devices/system/cpu/online	pkill
File opened for reading	/sys/devices/system/cpu/online	ps
File opened for reading	/sys/devices/system/cpu/online	pkill
File opened for reading	/sys/devices/system/cpu/online	ps

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

Processes:

pspkillpskillallpspkillkillallpspkillpskillallpskillallpkillkillallpkillkillall

description	ioc	Process
File opened for reading	/proc/97/status	ps
File opened for reading	/proc/165/status	pkill
File opened for reading	/proc/97/status	ps
File opened for reading	/proc/12/stat	killall
File opened for reading	/proc/29/status	ps
File opened for reading	/proc/10/cmdline	pkill
File opened for reading	/proc/108/cmdline	killall
File opened for reading	/proc/6/status	ps
File opened for reading	/proc/271/cmdline	ps
File opened for reading	/proc/29/status	pkill
File opened for reading	/proc/303/status	ps
File opened for reading	/proc/28/cmdline	ps
File opened for reading	/proc/105/stat	killall
File opened for reading	/proc/143/cmdline	ps
File opened for reading	/proc/717/status	ps
File opened for reading	/proc/682/stat	killall
File opened for reading	/proc/271/status	ps
File opened for reading	/proc/97/cmdline	pkill
File opened for reading	/proc/288/stat	ps
File opened for reading	/proc/136/stat	killall
File opened for reading	/proc/19/status	pkill
File opened for reading	/proc/19/stat	killall
File opened for reading	/proc/273/status	ps
File opened for reading	/proc/filesystems	pkill
File opened for reading	/proc/25/stat	killall
File opened for reading	/proc/650/stat	killall
File opened for reading	/proc/314/status	pkill
File opened for reading	/proc/649/stat	killall
File opened for reading	/proc/648/cmdline	pkill
File opened for reading	/proc/1/status	ps
File opened for reading	/proc/164/status	pkill
File opened for reading	/proc/11/stat	ps
File opened for reading	/proc/273/status	ps
File opened for reading	/proc/290/cmdline	pkill
File opened for reading	/proc/165/status	ps
File opened for reading	/proc/290/cmdline	ps
File opened for reading	/proc/649/stat	killall
File opened for reading	/proc/21/stat	ps
File opened for reading	/proc/28/status	ps
File opened for reading	/proc/15/status	pkill
File opened for reading	/proc/273/stat	killall
File opened for reading	/proc/657/stat	killall
File opened for reading	/proc/727/status	ps
File opened for reading	/proc/18/status	ps
File opened for reading	/proc/105/stat	killall
File opened for reading	/proc/22/cmdline	ps
File opened for reading	/proc/136/stat	killall
File opened for reading	/proc/288/status	ps
File opened for reading	/proc/205/status	pkill
File opened for reading	/proc/13/cmdline	pkill
File opened for reading	/proc/107/status	pkill
File opened for reading	/proc/107/status	ps
File opened for reading	/proc/17/stat	ps
File opened for reading	/proc/608/stat	ps
File opened for reading	/proc/611/status	ps
File opened for reading	/proc/28/cmdline	pkill
File opened for reading	/proc/225/cmdline	pkill
File opened for reading	/proc/649/stat	killall
File opened for reading	/proc/225/status	ps
File opened for reading	/proc/105/stat	ps
File opened for reading	/proc/15/cmdline	ps
File opened for reading	/proc/611/cmdline	ps
File opened for reading	/proc/108/stat	ps
File opened for reading	/proc/657/status	ps

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

Processes:

stop

description	ioc	Process
File opened for modification	/tmp/.rsync/a/.proc	stop

/tmp/.rsync/a/stop
/tmp/.rsync/a/stop
1⤵
- Writes file to tmp directory
PID:675
- /usr/bin/chattr
  chattr -ia "~/.xmrig.json"
  2⤵
  - Attempts to change immutable files
  PID:676
- /bin/rm
  rm -rf "~/.xmrig.json"
  2⤵
  PID:678
- /usr/bin/pkill
  pkill -9 cron
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:680
- /usr/bin/killall
  killall -9 cron
  2⤵
  - Reads runtime system information
  PID:687
- /usr/bin/pkill
  pkill -9 kswapd0
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:694
- /usr/bin/killall
  killall -9 kswapd0
  2⤵
  - Reads runtime system information
  PID:695
- /usr/bin/pkill
  pkill -9 ld-linux
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:701
- /usr/bin/killall
  killall -9 ld-linux
  2⤵
  - Reads runtime system information
  PID:702
- /usr/bin/pkill
  pkill -9 Donald
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:708
- /usr/bin/killall
  killall -9 Donald
  2⤵
  - Reads runtime system information
  PID:709
- /usr/bin/pkill
  pkill -9 xmr
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:715
- /usr/bin/killall
  killall -9 xmr
  2⤵
  - Reads runtime system information
  PID:716
- /usr/bin/pkill
  pkill -9 xm64
  2⤵
  - Reads CPU attributes
  PID:722
- /usr/bin/killall
  killall -9 xm64
  2⤵
  - Reads runtime system information
  PID:723
- /bin/rm
  rm -rf .proc
  2⤵
  PID:731

/bin/ps
ps x
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:689

/bin/grep
grep cron
1⤵
PID:690

/bin/grep
grep -v grep
1⤵
PID:691

/usr/bin/awk
awk "{print \$1}"
1⤵
PID:692

/bin/ps
ps x
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:697

/bin/grep
grep kswapd0
1⤵
PID:698

/bin/grep
grep -v grep
1⤵
PID:699

/usr/bin/awk
awk "{print \$1}"
1⤵
PID:700

/bin/ps
ps x
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:704

/bin/grep
grep ld-linux
1⤵
PID:705

/bin/grep
grep -v grep
1⤵
PID:706

/usr/bin/awk
awk "{print \$1}"
1⤵
PID:707

/bin/ps
ps x
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:711

/bin/grep
grep Donald
1⤵
PID:712

/bin/grep
grep -v grep
1⤵
PID:713

/usr/bin/awk
awk "{print \$1}"
1⤵
PID:714

/bin/ps
ps x
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:718

/bin/grep
grep xmr
1⤵
PID:719

/bin/grep
grep -v grep
1⤵
PID:720

/usr/bin/awk
awk "{print \$1}"
1⤵
PID:721

/bin/ps
ps x
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:726

/bin/grep
grep -v grep
1⤵
PID:728

/bin/grep
grep xm64
1⤵
PID:727

/usr/bin/awk
awk "{print \$1}"
1⤵
PID:730

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/727-1-0xb6bda000-0xb6beb044-memory.dmp

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