Analysis
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max time kernel
19817s -
max time network
155s -
platform
linux_amd64 -
resource
ubuntu1804-amd64-en-20211208 -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-en-20211208kernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
24-07-2022 23:36
Behavioral task
behavioral1
Sample
91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68
Resource
ubuntu1804-amd64-en-20211208
4 signatures
150 seconds
General
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Target
91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68
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Size
1.2MB
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MD5
06e00729d59b48e79fc4674a991cad5f
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SHA1
c67e18a53d08de703054eeeac07d977789942980
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SHA256
91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68
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SHA512
4c47060c723ec67a870e716b1f6741547168e708a51cb1e0e2b61c2a5687224154d9c8bad680bf1d44e8022ec3c3e6897556de16ce8aaf3af166896722821ac2
Score
9/10
Malware Config
Signatures
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Writes file to system bin folder 1 TTPs 4 IoCs
description ioc Process /bin/ss /bin/ss cp /bin/ss /bin/ss cp /bin/ps /bin/ps cp /bin/ps /bin/ps cp -
Write file to user bin folder 1 TTPs 12 IoCs
description ioc Process /usr/bin/dpkgd/ss /usr/bin/dpkgd/ss cp /usr/bin/bsd-port/getty /usr/bin/bsd-port/getty cp /usr/bin/lsof /usr/bin/lsof cp /usr/bin/dpkgd/lsof /usr/bin/dpkgd/lsof cp /usr/bin/bsd-port/update_temporary /usr/bin/bsd-port/update_temporary Process not Found /usr/bin/lsof /usr/bin/lsof cp /usr/bin/bsd-port/udevd.lock /usr/bin/bsd-port/udevd.lock Process not Found /usr/bin/bsd-port/getty /usr/bin/bsd-port/getty cp /usr/bin/.sshd /usr/bin/.sshd cp /usr/bin/dpkgd/ps /usr/bin/dpkgd/ps cp /usr/bin/bsd-port/getty /usr/bin/bsd-port/getty cp /usr/bin/bsd-port/getty /usr/bin/bsd-port/getty cp -
Reads runtime system information 21 IoCs
Reads data from /proc virtual filesystem.
description ioc Process /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems cp /proc/cmdline /proc/cmdline insmod /proc/cmdline /proc/cmdline insmod /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir -
Writes file to tmp directory 5 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process /tmp/update_temporary /tmp/update_temporary Process not Found /tmp/bill.lock /tmp/bill.lock Process not Found /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 cp /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 cp /tmp/notify.file /tmp/notify.file Process not Found
Processes
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/tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68/tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c681⤵PID:576
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt"1⤵PID:582
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt2⤵PID:583
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt"1⤵PID:584
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt2⤵PID:585
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt"1⤵PID:586
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt2⤵PID:587
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt"1⤵PID:588
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt2⤵PID:589
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt"1⤵PID:590
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt2⤵PID:591
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/bin/shsh -c "mkdir -p /usr/bin/bsd-port"1⤵PID:592
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/bin/mkdirmkdir -p /usr/bin/bsd-port2⤵
- Reads runtime system information
PID:593
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/bin/shsh -c "mkdir -p /usr/bin/bsd-port"1⤵PID:594
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/bin/mkdirmkdir -p /usr/bin/bsd-port2⤵
- Reads runtime system information
PID:595
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/bin/shsh -c "cp -f /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 /usr/bin/bsd-port/getty"1⤵PID:596
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/bin/cpcp -f /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 /usr/bin/bsd-port/getty2⤵
- Write file to user bin folder
- Reads runtime system information
- Writes file to tmp directory
PID:597
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/bin/shsh -c /usr/bin/bsd-port/getty1⤵PID:599
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/usr/bin/bsd-port/getty/usr/bin/bsd-port/getty2⤵PID:600
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:602
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:603
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:604
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:605
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/bin/shsh -c "cp -f /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 /usr/bin/.sshd"1⤵PID:606
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/bin/cpcp -f /tmp/91861d35f1d3e0c1cbf261f55b2d5d6e246657da2191a4f846e67b0814181c68 /usr/bin/.sshd2⤵
- Write file to user bin folder
- Reads runtime system information
- Writes file to tmp directory
PID:607
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux"1⤵PID:608
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/bin/lnln -s /etc/init.d/selinux /etc/rc1.d/S99selinux2⤵PID:609
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux"1⤵PID:610
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/bin/lnln -s /etc/init.d/selinux /etc/rc2.d/S99selinux2⤵PID:611
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux"1⤵PID:612
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/bin/lnln -s /etc/init.d/selinux /etc/rc3.d/S99selinux2⤵PID:613
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/bin/shsh -c /usr/bin/.sshd1⤵PID:615
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/usr/bin/.sshd/usr/bin/.sshd2⤵PID:616
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux"1⤵PID:617
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/bin/lnln -s /etc/init.d/selinux /etc/rc4.d/S99selinux2⤵PID:618
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux"1⤵PID:619
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/bin/lnln -s /etc/init.d/selinux /etc/rc5.d/S99selinux2⤵PID:620
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/bin/shsh -c "mkdir -p /usr/bin/dpkgd"1⤵PID:621
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/bin/mkdirmkdir -p /usr/bin/dpkgd2⤵
- Reads runtime system information
PID:622
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/bin/shsh -c "cp -f /bin/ps /usr/bin/dpkgd/ps"1⤵PID:623
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/bin/cpcp -f /bin/ps /usr/bin/dpkgd/ps2⤵
- Writes file to system bin folder
- Write file to user bin folder
- Reads runtime system information
PID:624
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/bin/shsh -c "mkdir -p /bin"1⤵PID:625
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:626
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/bin/shsh -c "mkdir -p /bin"1⤵PID:627
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:628
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /bin/ps"1⤵PID:629
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/bin/cpcp -f /usr/bin/bsd-port/getty /bin/ps2⤵
- Writes file to system bin folder
- Write file to user bin folder
- Reads runtime system information
PID:630
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/bin/shsh -c "chmod 0755 /bin/ps"1⤵PID:631
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/bin/chmodchmod 0755 /bin/ps2⤵PID:632
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/bin/shsh -c "cp -f /bin/ss /usr/bin/dpkgd/ss"1⤵PID:633
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/bin/cpcp -f /bin/ss /usr/bin/dpkgd/ss2⤵
- Writes file to system bin folder
- Write file to user bin folder
- Reads runtime system information
PID:634
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/bin/shsh -c "mkdir -p /bin"1⤵PID:635
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:636
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/bin/shsh -c "mkdir -p /bin"1⤵PID:637
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:638
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /bin/ss"1⤵PID:639
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/bin/cpcp -f /usr/bin/bsd-port/getty /bin/ss2⤵
- Writes file to system bin folder
- Write file to user bin folder
- Reads runtime system information
PID:640
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/bin/shsh -c "chmod 0755 /bin/ss"1⤵PID:641
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/bin/chmodchmod 0755 /bin/ss2⤵PID:642
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/bin/shsh -c "cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof"1⤵PID:643
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/bin/cpcp -f /usr/bin/lsof /usr/bin/dpkgd/lsof2⤵
- Write file to user bin folder
- Reads runtime system information
PID:644
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:645
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:646
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:647
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:648
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/lsof"1⤵PID:649
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/bin/cpcp -f /usr/bin/bsd-port/getty /usr/bin/lsof2⤵
- Write file to user bin folder
- Reads runtime system information
PID:650
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/bin/shsh -c "chmod 0755 /usr/bin/lsof"1⤵PID:652
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/bin/chmodchmod 0755 /usr/bin/lsof2⤵PID:653
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/bin/shsh -c "insmod /usr/bin/bsd-port/xpacket.ko"1⤵PID:656
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/sbin/insmodinsmod /usr/bin/bsd-port/xpacket.ko2⤵
- Reads runtime system information
PID:657
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/bin/shsh -c "insmod /tmp/xpacket.ko"1⤵PID:655
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/sbin/insmodinsmod /tmp/xpacket.ko2⤵
- Reads runtime system information
PID:658
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