4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7

General

Target

i
Size

132KB
MD5

59ce0baba11893f90527fc951ac69912
SHA1

5857a7dd621c4c3ebb0b5a3bec915d409f70d39f
SHA256

4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7
SHA512

c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647
SSDEEP

3072:phNlHuBafLeBtfCzpta8xlBIOdVo3/4sxLJ10xioP:p3lOYoaja8xzx/0wsxzSi2

Score

9^/10

discovery persistence upx

Malware Config

Signatures

Contacts a large (8757) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

Processes:

resource yara_rule

/usr/networks patched_upx
Changes its process name 1 IoCs

Processes:

description ioc pid

Changes the process name, possibly in an attempt to hide itself sshd 717
Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

Impair Defenses
T1562

Processes:

description ioc

File opened for modification /dev/watchdog
File opened for modification /dev/misc/watchdog
UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

/usr/networks upx
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 1 IoCs
Gets active TCP sockets from /proc virtual filesystem.

System Network Connections Discovery
T1049

Processes:

i

description ioc process

File opened for reading /proc/net/tcp i
Enumerates running processes
Discovers information about currently running processes on the system

resource	yara_rule
/usr/networks	patched_upx

description	ioc	pid
Changes the process name, possibly in an attempt to hide itself	sshd	717

description	ioc
File opened for modification	/dev/watchdog
File opened for modification	/dev/misc/watchdog

resource	yara_rule
/usr/networks	upx

description	ioc	process
File opened for reading	/proc/net/tcp	i

Modifies init.d 1 TTPs 4 IoCs

Adds/modifies system service, likely for persistence.

persistence

Boot or Logon Autostart Execution

T1547

Processes:

description	ioc
File opened for modification	/etc/init.d/S95baby.sh
File opened for modification	/etc/init.d/keyboard-setup.sh
File opened for modification	/etc/init.d/console-setup.sh
File opened for modification	/etc/init.d/hwclock.sh

Reads system routing table 1 TTPs 1 IoCs
Gets active network interfaces from /proc virtual filesystem.

System Network Configuration Discovery
T1016

Processes:

description ioc

File opened for reading /proc/net/route
Writes file to system bin folder 1 TTPs 2 IoCs

Hijack Execution Flow
T1574

Processes:

description ioc

File opened for modification /sbin/watchdog
File opened for modification /bin/watchdog
Reads system network configuration 1 TTPs 3 IoCs
Uses contents of /proc filesystem to enumerate network settings.

System Network Configuration Discovery
T1016

Processes:

i

description ioc

File opened for reading /proc/net/route
File opened for reading /proc/net/tcp i
File opened for reading /proc/net/raw i

description	ioc
File opened for reading	/proc/net/route

description	ioc
File opened for modification	/sbin/watchdog
File opened for modification	/bin/watchdog

description	ioc
File opened for reading	/proc/net/route
File opened for reading	/proc/net/tcp	i
File opened for reading	/proc/net/raw	i

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

Processes:

killalli

description	ioc	process
File opened for reading	/proc/5/stat	killall
File opened for reading	/proc/17/stat	killall
File opened for reading	/proc/68/stat	killall
File opened for reading	/proc/75/stat	killall
File opened for reading	/proc/76/stat	killall
File opened for reading	/proc/373/stat	killall
File opened for reading	/proc/374/stat	killall
File opened for reading	/proc/self/exe	i
File opened for reading	/proc/144/cmdline	killall
File opened for reading	/proc/166/stat	killall
File opened for reading	/proc/567/stat	killall
File opened for reading	/proc/1/stat	killall
File opened for reading	/proc/15/stat	killall
File opened for reading	/proc/18/stat	killall
File opened for reading	/proc/116/stat	killall
File opened for reading	/proc/698/stat	killall
File opened for reading	/proc/12/stat	killall
File opened for reading	/proc/74/stat	killall
File opened for reading	/proc/2/stat	killall
File opened for reading	/proc/71/stat	killall
File opened for reading	/proc/362/stat	killall
File opened for reading	/proc/710/stat	killall
File opened for reading	/proc/717/stat	killall
File opened for reading	/proc/22/stat	killall
File opened for reading	/proc/82/stat	killall
File opened for reading	/proc/358/stat	killall
File opened for reading	/proc/528/stat	killall
File opened for reading	/proc/697/stat	killall
File opened for reading	/proc/16/stat	killall
File opened for reading	/proc/36/stat	killall
File opened for reading	/proc/234/stat	killall
File opened for reading	/proc/402/stat	killall
File opened for reading	/proc/698/cmdline	killall
File opened for reading	/proc/23/stat	killall
File opened for reading	/proc/73/stat	killall
File opened for reading	/proc/105/stat	killall
File opened for reading	/proc/382/stat	killall
File opened for reading	/proc/707/cmdline	killall
File opened for reading	/proc/718/stat	killall
File opened for reading	/proc/20/stat	killall
File opened for reading	/proc/326/stat	killall
File opened for reading	/proc/329/stat	killall
File opened for reading	/proc/385/stat	killall
File opened for reading	/proc/4/stat	killall
File opened for reading	/proc/10/stat	killall
File opened for reading	/proc/514/stat	killall
File opened for reading	/proc/564/stat	killall
File opened for reading	/proc/683/stat	killall
File opened for reading	/proc/722/stat	killall
File opened for reading	/proc/mounts
File opened for reading	/proc/24/stat	killall
File opened for reading	/proc/115/stat	killall
File opened for reading	/proc/360/stat	killall
File opened for reading	/proc/3/stat	killall
File opened for reading	/proc/700/stat	killall
File opened for reading	/proc/703/stat	killall
File opened for reading	/proc/14/stat	killall
File opened for reading	/proc/72/stat	killall
File opened for reading	/proc/78/stat	killall
File opened for reading	/proc/7/stat	killall
File opened for reading	/proc/13/stat	killall
File opened for reading	/proc/19/stat	killall
File opened for reading	/proc/21/stat	killall
File opened for reading	/proc/77/stat	killall

Writes file to tmp directory 2 IoCs
Malware often drops required files in the /tmp directory.

Processes:

i

description ioc process

File opened for modification /tmp/.ips i
File opened for modification /tmp/.config

description	ioc	process
File opened for modification	/tmp/.ips	i
File opened for modification	/tmp/.config

/tmp/i
/tmp/i
1⤵
- Enumerates active TCP sockets
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
PID:714

/bin/sh
sh -c "killall -9 telnetd utelnetd scfgmgr"
1⤵
PID:718
- /usr/bin/killall
  killall -9 telnetd utelnetd scfgmgr
  2⤵
  - Reads runtime system information
  PID:720

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 35359 -j ACCEPT"
1⤵
PID:782
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 35359 -j ACCEPT
  2⤵
  PID:783

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 35359 -j ACCEPT"
1⤵
PID:788
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 35359 -j ACCEPT
  2⤵
  PID:790

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 35359 -j ACCEPT"
1⤵
PID:792
- /sbin/iptables
  iptables -I PREROUTING -t nat -p tcp --destination-port 35359 -j ACCEPT
  2⤵
  PID:793

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 35359 -j ACCEPT"
1⤵
PID:800
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p tcp --source-port 35359 -j ACCEPT
  2⤵
  PID:801

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 35359 -j ACCEPT"
1⤵
PID:802
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 35359 -j ACCEPT
  2⤵
  PID:804

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 35359 -j ACCEPT"
1⤵
PID:805
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 35359 -j ACCEPT
  2⤵
  PID:806

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --dport 35359 -j ACCEPT"
1⤵
PID:807
- /sbin/iptables
  iptables -I PREROUTING -t nat -p tcp --dport 35359 -j ACCEPT
  2⤵
  PID:808

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"
1⤵
PID:809
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 22 -j DROP
  2⤵
  PID:810

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --sport 35359 -j ACCEPT"
1⤵
PID:811
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p tcp --sport 35359 -j ACCEPT
  2⤵
  PID:812

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"
1⤵
PID:813
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 23 -j DROP
  2⤵
  PID:814

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"
1⤵
PID:816
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 2323 -j DROP
  2⤵
  PID:817

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"
1⤵
PID:818
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 22 -j DROP
  2⤵
  PID:819

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"
1⤵
PID:820
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 23 -j DROP
  2⤵
  PID:821

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"
1⤵
PID:822
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 2323 -j DROP
  2⤵
  PID:823

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"
1⤵
PID:824
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 22 -j DROP
  2⤵
  PID:825

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"
1⤵
PID:826
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 23 -j DROP
  2⤵
  PID:827

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"
1⤵
PID:828
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 2323 -j DROP
  2⤵
  PID:829

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"
1⤵
PID:830
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 22 -j DROP
  2⤵
  PID:831

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"
1⤵
PID:835
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 23 -j DROP
  2⤵
  PID:836

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"
1⤵
PID:837
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 2323 -j DROP
  2⤵
  PID:838

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"
1⤵
PID:839
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 58000 -j DROP
  2⤵
  PID:840

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"
1⤵
PID:841
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 58000 -j DROP
  2⤵
  PID:842

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"
1⤵
PID:843
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 58000 -j DROP
  2⤵
  PID:844

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"
1⤵
PID:845
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 58000 -j DROP
  2⤵
  PID:846

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""
1⤵
PID:847

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""
1⤵
PID:848

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"
1⤵
PID:849
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 35000 -j DROP
  2⤵
  PID:850

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"
1⤵
PID:851
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 50023 -j DROP
  2⤵
  PID:852

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"
1⤵
PID:853
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 50023 -j DROP
  2⤵
  PID:854

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"
1⤵
PID:855
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 35000 -j DROP
  2⤵
  PID:856

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"
1⤵
PID:857
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 7547 -j DROP
  2⤵
  PID:858

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"
1⤵
PID:859
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 7547 -j DROP
  2⤵
  PID:860

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"
1⤵
PID:861
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 35000 -j DROP
  2⤵
  PID:862

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"
1⤵
PID:863
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 50023 -j DROP
  2⤵
  PID:864

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"
1⤵
PID:865
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 50023 -j DROP
  2⤵
  PID:866

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"
1⤵
PID:867
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 35000 -j DROP
  2⤵
  PID:868

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"
1⤵
PID:869
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 7547 -j DROP
  2⤵
  PID:870

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"
1⤵
PID:871
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 7547 -j DROP
  2⤵
  PID:872

/bin/sh
sh -c "iptables -I INPUT -p udp --destination-port 11211 -j ACCEPT"
1⤵
PID:903
- /sbin/iptables
  iptables -I INPUT -p udp --destination-port 11211 -j ACCEPT
  2⤵
  PID:904

/bin/sh
sh -c "iptables -I OUTPUT -p udp --source-port 11211 -j ACCEPT"
1⤵
PID:905
- /sbin/iptables
  iptables -I OUTPUT -p udp --source-port 11211 -j ACCEPT
  2⤵
  PID:906

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --destination-port 11211 -j ACCEPT"
1⤵
PID:907
- /sbin/iptables
  iptables -I PREROUTING -t nat -p udp --destination-port 11211 -j ACCEPT
  2⤵
  PID:908

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --source-port 11211 -j ACCEPT"
1⤵
PID:909
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p udp --source-port 11211 -j ACCEPT
  2⤵
  PID:910

/bin/sh
sh -c "iptables -I INPUT -p udp --dport 11211 -j ACCEPT"
1⤵
PID:911
- /sbin/iptables
  iptables -I INPUT -p udp --dport 11211 -j ACCEPT
  2⤵
  PID:912

/bin/sh
sh -c "iptables -I OUTPUT -p udp --sport 11211 -j ACCEPT"
1⤵
PID:913
- /sbin/iptables
  iptables -I OUTPUT -p udp --sport 11211 -j ACCEPT
  2⤵
  PID:914

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --dport 11211 -j ACCEPT"
1⤵
PID:915
- /sbin/iptables
  iptables -I PREROUTING -t nat -p udp --dport 11211 -j ACCEPT
  2⤵
  PID:916

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --sport 11211 -j ACCEPT"
1⤵
PID:917
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p udp --sport 11211 -j ACCEPT
  2⤵
  PID:918

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Hijack Execution Flow

1

T1574

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Hijack Execution Flow

1

T1574

Defense Evasion

Hijack Execution Flow

Impair Defenses

Credential Access

Discovery

Network Service Discovery

2

T1046

System Network Configuration Discovery

2

T1016

System Network Connections Discovery

1

T1049

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/etc/rcS.d/S95baby.sh

Filesize
25B

MD5
1b3235ba10fc04836c941d3d27301956

SHA1
8909655763143702430b8c58b3ae3b04cfd3a29c

SHA256
01ba1fb41632594997a41d0c3a911ae5b3034d566ebb991ef76ad76e6f9e283a

SHA512
98bdb5c266222ccbd63b6f80c87e501c8033dc53b0513d300b8da50e39a207a0b69f8cd3ecc4a128dec340a1186779fedd1049c9b0a70e90d2cb3ae6ebfa4c4d

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/tmp/.config

Filesize
147B

MD5
b8a8f466da2abb274b5da8a184d10172

SHA1
2444c38c3462702bf815cf4e37100214824b76e6

SHA256
74c9b3a712c3e883f3d0181d64bb83d4aa02f1619615f4f584441e4ae4de0936

SHA512
33dfaaae402915c324acb901a94deac1c6f4b2773bdd9fc5e61fed5fd848570a699abcf3f178f8c2b2bdf527dd10a40edaefbe43b94f6e2f1d8e69ebd681768f

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/usr/networks

Filesize
132KB

MD5
59ce0baba11893f90527fc951ac69912

SHA1
5857a7dd621c4c3ebb0b5a3bec915d409f70d39f

SHA256
4293c1d8574dc87c58360d6bac3daa182f64f7785c9d41da5e0741d2b1817fc7

SHA512
c5b12797b477e5e5964a78766bb40b1c0d9fdfb8eef1f9aee3df451e3441a40c61d325bf400ba51048811b68e1c70a95f15e4166b7a65a4eca0c624864328647

Download Submit
memory/714-1-0x00400000-0x004c2fd8-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads