Analysis
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max time kernel
4s -
max time network
143s -
platform
debian-12_armhf -
resource
debian12-armhf-20240221-en -
resource tags
arch:armhfimage:debian12-armhf-20240221-enkernel:6.1.0-17-armmp-lpaelocale:en-usos:debian-12-armhfsystem -
submitted
21-09-2024 00:15
Behavioral task
behavioral1
Sample
eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118
Resource
debian12-armhf-20240221-en
debian-12-armhf
3 signatures
150 seconds
General
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Target
eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118
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Size
736KB
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MD5
eeb66a34284f69384da78f9cfd8654b4
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SHA1
850495ed6d926bb4717120cedb14bcaadd1c31c8
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SHA256
095d26ab1d106af253d83a06494af2b017459bc156039e437d022fe46449cb77
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SHA512
a8a108156f84b6e0f929cdf2773394191c253d28cddd453e9a1724f2aab2b92313c4ab77c0d02bda70b3309d9907da124cb944ac8343b2075736e0132d9c205b
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SSDEEP
12288:4Gj66PClnU+OdKCSHolO1TsjaPYcpMplwNSWCJz1mYona3dnCtd7efSJ9ywK:padU1ONsjaPYcpvSBtCzefs9q
Score
7/10
Malware Config
Signatures
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File and Directory Permissions Modification 1 TTPs 4 IoCs
Adversaries may modify file or directory permissions to evade defenses.
pid Process 718 chmod 701 sh 705 chmod 716 sh -
Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 -
description ioc Process File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems mv File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed File opened for reading /proc/filesystems sed
Processes
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/tmp/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118/tmp/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes1181⤵
- Checks CPU configuration
PID:700 -
/bin/shsh -c "chmod +x /etc/rc.local"2⤵
- File and Directory Permissions Modification
PID:701 -
/usr/bin/chmodchmod +x /etc/rc.local3⤵
- File and Directory Permissions Modification
PID:705
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/bin/shsh -c "mv /tmp/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 /etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118"2⤵PID:710
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/usr/bin/mvmv /tmp/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 /etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes1183⤵
- Reads runtime system information
PID:713
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/bin/shsh -c "cd /etc;chmod 777 eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118"2⤵
- File and Directory Permissions Modification
PID:716 -
/usr/bin/chmodchmod 777 eeb66a34284f69384da78f9cfd8654b4_JaffaCakes1183⤵
- File and Directory Permissions Modification
PID:718
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/bin/shsh -c "sed -i -e '/exit/d' /etc/rc.local"2⤵PID:720
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/usr/bin/sedsed -i -e /exit/d /etc/rc.local3⤵
- Reads runtime system information
PID:722
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/bin/shsh -c "sed -i -e '/^ | | \$/d' /etc/rc.local"2⤵PID:725
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/usr/bin/sedsed -i -e "/^ | | \$/d" /etc/rc.local3⤵
- Reads runtime system information
PID:727
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/bin/shsh -c "sed -i -e '/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118/d' /etc/rc.local"2⤵PID:731
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/usr/bin/sedsed -i -e /eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118/d /etc/rc.local3⤵
- Reads runtime system information
PID:733
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/bin/shsh -c "sed -i -e '2 i/etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 reboot' /etc/rc.local"2⤵PID:737
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/usr/bin/sedsed -i -e "2 i/etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 reboot" /etc/rc.local3⤵
- Reads runtime system information
PID:738
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/bin/shsh -c "sed -i -e '2 i/etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 start' /etc/rc.d/rc.local"2⤵PID:741
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/usr/bin/sedsed -i -e "2 i/etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 start" /etc/rc.d/rc.local3⤵
- Reads runtime system information
PID:743
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/bin/shsh -c "sed -i -e '2 i/etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 start' /etc/init.d/boot.local"2⤵PID:747
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/usr/bin/sedsed -i -e "2 i/etc/eeb66a34284f69384da78f9cfd8654b4_JaffaCakes118 start" /etc/init.d/boot.local3⤵
- Reads runtime system information
PID:749
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