b5cf68c7cb5bb2d21d60bf6654926f61566d95bfd7c9f9e182d032f1da5b4605

General

Target

i
Size

132KB
MD5

a73ddd6ec22462db955439f665cad4e6
SHA1

ac6962542a4b23ac13bddff22f8df9aeb702ef12
SHA256

b5cf68c7cb5bb2d21d60bf6654926f61566d95bfd7c9f9e182d032f1da5b4605
SHA512

92a52f68a7324c4d5876e1f7e2cb87d14b8604b057ceee2e537815568faa96abf576a22111c5c976eff72ab9015f1261b2331d4b4d711f4e62c8eb403c2377aa
SSDEEP

3072:2glZ3FtCKXhkmHtZ9TEKzjfj/WMngyIfsJ0F7xPtoM:2IIKXhZtL7jOTyIG87Xl

Score

9^/10

discovery persistence upx

Malware Config

Signatures

Contacts a large (14016) 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 712
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	712

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 process

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

Processes:

killalli

description	ioc	process
File opened for reading	/proc/10/stat	killall
File opened for reading	/proc/16/stat	killall
File opened for reading	/proc/666/stat	killall
File opened for reading	/proc/679/stat	killall
File opened for reading	/proc/695/stat	killall
File opened for reading	/proc/716/stat	killall
File opened for reading	/proc/5/stat	killall
File opened for reading	/proc/8/stat	killall
File opened for reading	/proc/113/stat	killall
File opened for reading	/proc/331/stat	killall
File opened for reading	/proc/418/stat	killall
File opened for reading	/proc/13/stat	killall
File opened for reading	/proc/22/stat	killall
File opened for reading	/proc/mounts
File opened for reading	/proc/4/stat	killall
File opened for reading	/proc/12/stat	killall
File opened for reading	/proc/77/stat	killall
File opened for reading	/proc/80/stat	killall
File opened for reading	/proc/660/stat	killall
File opened for reading	/proc/704/stat	killall
File opened for reading	/proc/self/exe	i
File opened for reading	/proc/filesystems	killall
File opened for reading	/proc/9/stat	killall
File opened for reading	/proc/14/stat	killall
File opened for reading	/proc/140/stat	killall
File opened for reading	/proc/163/stat	killall
File opened for reading	/proc/371/stat	killall
File opened for reading	/proc/17/stat	killall
File opened for reading	/proc/76/stat	killall
File opened for reading	/proc/694/stat	killall
File opened for reading	/proc/701/stat	killall
File opened for reading	/proc/79/stat	killall
File opened for reading	/proc/114/cmdline	killall
File opened for reading	/proc/357/stat	killall
File opened for reading	/proc/663/stat	killall
File opened for reading	/proc/697/stat	killall
File opened for reading	/proc/712/stat	killall
File opened for reading	/proc/714/stat	killall
File opened for reading	/proc/3/stat	killall
File opened for reading	/proc/6/stat	killall
File opened for reading	/proc/7/stat	killall
File opened for reading	/proc/37/stat	killall
File opened for reading	/proc/74/stat	killall
File opened for reading	/proc/376/stat	killall
File opened for reading	/proc/694/cmdline	killall
File opened for reading	/proc/11/stat	killall
File opened for reading	/proc/36/stat	killall
File opened for reading	/proc/105/stat	killall
File opened for reading	/proc/329/stat	killall
File opened for reading	/proc/707/stat	killall
File opened for reading	/proc/240/stat	killall
File opened for reading	/proc/370/stat	killall
File opened for reading	/proc/695/cmdline	killall
File opened for reading	/proc/700/stat	killall
File opened for reading	/proc/18/stat	killall
File opened for reading	/proc/20/stat	killall
File opened for reading	/proc/23/stat	killall
File opened for reading	/proc/70/stat	killall
File opened for reading	/proc/72/stat	killall
File opened for reading	/proc/73/stat	killall
File opened for reading	/proc/225/stat	killall
File opened for reading	/proc/704/cmdline	killall
File opened for reading	/proc/24/stat	killall
File opened for reading	/proc/75/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:709

/bin/sh
sh -c "killall -9 telnetd utelnetd scfgmgr"
1⤵
PID:714
- /usr/bin/killall
  killall -9 telnetd utelnetd scfgmgr
  2⤵
  - Reads runtime system information
  PID:715

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 47091 -j ACCEPT"
1⤵
PID:814
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 47091 -j ACCEPT
  2⤵
  PID:815

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 47091 -j ACCEPT"
1⤵
PID:820
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 47091 -j ACCEPT
  2⤵
  PID:821

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --destination-port 47091 -j ACCEPT"
1⤵
PID:822
- /sbin/iptables
  iptables -I PREROUTING -t nat -p tcp --destination-port 47091 -j ACCEPT
  2⤵
  PID:823

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --source-port 47091 -j ACCEPT"
1⤵
PID:832
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p tcp --source-port 47091 -j ACCEPT
  2⤵
  PID:833

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 47091 -j ACCEPT"
1⤵
PID:834
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 47091 -j ACCEPT
  2⤵
  PID:835

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 47091 -j ACCEPT"
1⤵
PID:836
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 47091 -j ACCEPT
  2⤵
  PID:837

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p tcp --dport 47091 -j ACCEPT"
1⤵
PID:838
- /sbin/iptables
  iptables -I PREROUTING -t nat -p tcp --dport 47091 -j ACCEPT
  2⤵
  PID:839

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p tcp --sport 47091 -j ACCEPT"
1⤵
PID:840
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p tcp --sport 47091 -j ACCEPT
  2⤵
  PID:841

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 22 -j DROP"
1⤵
PID:842
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 22 -j DROP
  2⤵
  PID:843

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 23 -j DROP"
1⤵
PID:844
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 23 -j DROP
  2⤵
  PID:845

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 2323 -j DROP"
1⤵
PID:846
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 2323 -j DROP
  2⤵
  PID:847

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 22 -j DROP"
1⤵
PID:848
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 22 -j DROP
  2⤵
  PID:849

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 23 -j DROP"
1⤵
PID:850
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 23 -j DROP
  2⤵
  PID:851

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 2323 -j DROP"
1⤵
PID:852
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 2323 -j DROP
  2⤵
  PID:853

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 22 -j DROP"
1⤵
PID:854
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 22 -j DROP
  2⤵
  PID:855

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 23 -j DROP"
1⤵
PID:856
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 23 -j DROP
  2⤵
  PID:857

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 2323 -j DROP"
1⤵
PID:858
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 2323 -j DROP
  2⤵
  PID:859

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 22 -j DROP"
1⤵
PID:860
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 22 -j DROP
  2⤵
  PID:861

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 23 -j DROP"
1⤵
PID:862
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 23 -j DROP
  2⤵
  PID:863

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 2323 -j DROP"
1⤵
PID:864
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 2323 -j DROP
  2⤵
  PID:865

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 58000 -j DROP"
1⤵
PID:866
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 58000 -j DROP
  2⤵
  PID:867

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 58000 -j DROP"
1⤵
PID:868
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 58000 -j DROP
  2⤵
  PID:869

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 58000 -j DROP"
1⤵
PID:870
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 58000 -j DROP
  2⤵
  PID:871

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 58000 -j DROP"
1⤵
PID:872
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 58000 -j DROP
  2⤵
  PID:873

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer URL \"http://127.0.0.1\""
1⤵
PID:874

/bin/sh
sh -c "cfgtool set /mnt/jffs2/hw_ctree.xml InternetGatewayDevice.ManagementServer ConnectionRequestPassword \"acsMozi\""
1⤵
PID:875

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 35000 -j DROP"
1⤵
PID:876
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 35000 -j DROP
  2⤵
  PID:877

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 50023 -j DROP"
1⤵
PID:878
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 50023 -j DROP
  2⤵
  PID:879

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 50023 -j DROP"
1⤵
PID:880
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 50023 -j DROP
  2⤵
  PID:881

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 35000 -j DROP"
1⤵
PID:882
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 35000 -j DROP
  2⤵
  PID:883

/bin/sh
sh -c "iptables -I INPUT -p tcp --destination-port 7547 -j DROP"
1⤵
PID:884
- /sbin/iptables
  iptables -I INPUT -p tcp --destination-port 7547 -j DROP
  2⤵
  PID:885

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --source-port 7547 -j DROP"
1⤵
PID:886
- /sbin/iptables
  iptables -I OUTPUT -p tcp --source-port 7547 -j DROP
  2⤵
  PID:887

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 35000 -j DROP"
1⤵
PID:888
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 35000 -j DROP
  2⤵
  PID:889

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 50023 -j DROP"
1⤵
PID:890
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 50023 -j DROP
  2⤵
  PID:891

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 50023 -j DROP"
1⤵
PID:892
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 50023 -j DROP
  2⤵
  PID:893

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 35000 -j DROP"
1⤵
PID:894
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 35000 -j DROP
  2⤵
  PID:895

/bin/sh
sh -c "iptables -I INPUT -p tcp --dport 7547 -j DROP"
1⤵
PID:896
- /sbin/iptables
  iptables -I INPUT -p tcp --dport 7547 -j DROP
  2⤵
  PID:897

/bin/sh
sh -c "iptables -I OUTPUT -p tcp --sport 7547 -j DROP"
1⤵
PID:898
- /sbin/iptables
  iptables -I OUTPUT -p tcp --sport 7547 -j DROP
  2⤵
  PID:899

/bin/sh
sh -c "iptables -I INPUT -p udp --destination-port 9674 -j ACCEPT"
1⤵
PID:903
- /sbin/iptables
  iptables -I INPUT -p udp --destination-port 9674 -j ACCEPT
  2⤵
  PID:904

/bin/sh
sh -c "iptables -I OUTPUT -p udp --source-port 9674 -j ACCEPT"
1⤵
PID:905
- /sbin/iptables
  iptables -I OUTPUT -p udp --source-port 9674 -j ACCEPT
  2⤵
  PID:906

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --destination-port 9674 -j ACCEPT"
1⤵
PID:907
- /sbin/iptables
  iptables -I PREROUTING -t nat -p udp --destination-port 9674 -j ACCEPT
  2⤵
  PID:908

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --source-port 9674 -j ACCEPT"
1⤵
PID:909
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p udp --source-port 9674 -j ACCEPT
  2⤵
  PID:910

/bin/sh
sh -c "iptables -I INPUT -p udp --dport 9674 -j ACCEPT"
1⤵
PID:911
- /sbin/iptables
  iptables -I INPUT -p udp --dport 9674 -j ACCEPT
  2⤵
  PID:912

/bin/sh
sh -c "iptables -I OUTPUT -p udp --sport 9674 -j ACCEPT"
1⤵
PID:913
- /sbin/iptables
  iptables -I OUTPUT -p udp --sport 9674 -j ACCEPT
  2⤵
  PID:914

/bin/sh
sh -c "iptables -I PREROUTING -t nat -p udp --dport 9674 -j ACCEPT"
1⤵
PID:915
- /sbin/iptables
  iptables -I PREROUTING -t nat -p udp --dport 9674 -j ACCEPT
  2⤵
  PID:916

/bin/sh
sh -c "iptables -I POSTROUTING -t nat -p udp --sport 9674 -j ACCEPT"
1⤵
PID:917
- /sbin/iptables
  iptables -I POSTROUTING -t nat -p udp --sport 9674 -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

Replay Monitor

Loading Replay Monitor...

Downloads

/etc/rcS.d/S95baby.sh

Filesize
25B

MD5
1b3235ba10fc04836c941d3d27301956

SHA1
8909655763143702430b8c58b3ae3b04cfd3a29c

SHA256
01ba1fb41632594997a41d0c3a911ae5b3034d566ebb991ef76ad76e6f9e283a

SHA512
98bdb5c266222ccbd63b6f80c87e501c8033dc53b0513d300b8da50e39a207a0b69f8cd3ecc4a128dec340a1186779fedd1049c9b0a70e90d2cb3ae6ebfa4c4d

Download Submit
/tmp/.config

Filesize
147B

MD5
b8a8f466da2abb274b5da8a184d10172

SHA1
2444c38c3462702bf815cf4e37100214824b76e6

SHA256
74c9b3a712c3e883f3d0181d64bb83d4aa02f1619615f4f584441e4ae4de0936

SHA512
33dfaaae402915c324acb901a94deac1c6f4b2773bdd9fc5e61fed5fd848570a699abcf3f178f8c2b2bdf527dd10a40edaefbe43b94f6e2f1d8e69ebd681768f

Download Submit
/usr/networks

Filesize
132KB

MD5
a73ddd6ec22462db955439f665cad4e6

SHA1
ac6962542a4b23ac13bddff22f8df9aeb702ef12

SHA256
b5cf68c7cb5bb2d21d60bf6654926f61566d95bfd7c9f9e182d032f1da5b4605

SHA512
92a52f68a7324c4d5876e1f7e2cb87d14b8604b057ceee2e537815568faa96abf576a22111c5c976eff72ab9015f1261b2331d4b4d711f4e62c8eb403c2377aa

Download Submit
memory/709-1-0x00400000-0x004c1f18-memory.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads