Analysis
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max time kernel
19090s -
max time network
153s -
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
17-07-2022 15:38
Behavioral task
behavioral1
Sample
51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d
Resource
ubuntu1804-amd64-en-20211208
4 signatures
150 seconds
General
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Target
51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d
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Size
1.2MB
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MD5
b90da78f45f82cd487ccb7bfc334af92
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SHA1
e6f981fb9f3560ecc57f55827f01bb7f82183f45
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SHA256
51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d
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SHA512
4c184ed273ddf20480b98e1a972e71285a9ea9a52a97fc32bf183fccff763f475e1f0d4ec47ede9ffea8ab5bbe2c4355198996e36e9fa55fa482b41957efad05
Score
9/10
Malware Config
Signatures
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Writes file to system bin folder 1 TTPs 4 IoCs
description ioc Process /bin/ps /bin/ps cp /bin/ps /bin/ps cp /bin/ss /bin/ss cp /bin/ss /bin/ss cp -
Write file to user bin folder 1 TTPs 12 IoCs
description ioc Process /usr/bin/bsd-port/getty /usr/bin/bsd-port/getty cp /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/bsd-port/getty /usr/bin/bsd-port/getty cp /usr/bin/bsd-port/udevd.lock /usr/bin/bsd-port/udevd.lock Process not Found /usr/bin/dpkgd/ps /usr/bin/dpkgd/ps cp /usr/bin/dpkgd/lsof /usr/bin/dpkgd/lsof cp /usr/bin/lsof /usr/bin/lsof cp /usr/bin/bsd-port/update_temporary /usr/bin/bsd-port/update_temporary Process not Found /usr/bin/bsd-port/getty /usr/bin/bsd-port/getty cp /usr/bin/.sshd /usr/bin/.sshd cp -
Reads runtime system information 21 IoCs
Reads data from /proc virtual filesystem.
description ioc Process /proc/cmdline /proc/cmdline insmod /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/cmdline /proc/cmdline insmod /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems mkdir /proc/filesystems /proc/filesystems cp /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 mkdir /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp /proc/filesystems /proc/filesystems cp -
Writes file to tmp directory 5 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process /tmp/notify.file /tmp/notify.file Process not Found /tmp/update_temporary /tmp/update_temporary Process not Found /tmp/bill.lock /tmp/bill.lock Process not Found /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d cp /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d cp
Processes
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./51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d./51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d1⤵PID:577
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt"1⤵PID:583
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt2⤵PID:584
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt"1⤵PID:585
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt2⤵PID:586
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt"1⤵PID:587
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt2⤵PID:588
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt"1⤵PID:589
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt2⤵PID:590
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt"1⤵PID:591
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/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt2⤵PID:592
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/bin/shsh -c "mkdir -p /usr/bin/bsd-port"1⤵PID:593
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/bin/mkdirmkdir -p /usr/bin/bsd-port2⤵
- Reads runtime system information
PID:594
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/bin/shsh -c "mkdir -p /usr/bin/bsd-port"1⤵PID:595
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/bin/mkdirmkdir -p /usr/bin/bsd-port2⤵
- Reads runtime system information
PID:596
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/bin/shsh -c "cp -f /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d /usr/bin/bsd-port/getty"1⤵PID:597
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/bin/cpcp -f /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d /usr/bin/bsd-port/getty2⤵
- Write file to user bin folder
- Reads runtime system information
- Writes file to tmp directory
PID:598
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/bin/shsh -c /usr/bin/bsd-port/getty1⤵PID:600
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/usr/bin/bsd-port/getty/usr/bin/bsd-port/getty2⤵PID:601
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:603
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:604
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:605
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:606
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/bin/shsh -c "cp -f /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d /usr/bin/.sshd"1⤵PID:607
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/bin/cpcp -f /tmp/51be1808a015b68f9bda8d47c7c2f7ab0304ca975e21e14bf5ba8aba9764c83d /usr/bin/.sshd2⤵
- Write file to user bin folder
- Reads runtime system information
- Writes file to tmp directory
PID:608
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux"1⤵PID:609
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/bin/lnln -s /etc/init.d/selinux /etc/rc1.d/S99selinux2⤵PID:610
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux"1⤵PID:611
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/bin/lnln -s /etc/init.d/selinux /etc/rc2.d/S99selinux2⤵PID:612
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux"1⤵PID:613
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/bin/lnln -s /etc/init.d/selinux /etc/rc3.d/S99selinux2⤵PID:614
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/bin/shsh -c /usr/bin/.sshd1⤵PID:616
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/usr/bin/.sshd/usr/bin/.sshd2⤵PID:618
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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:619
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux"1⤵PID:620
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/bin/lnln -s /etc/init.d/selinux /etc/rc5.d/S99selinux2⤵PID:621
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/bin/shsh -c "mkdir -p /usr/bin/dpkgd"1⤵PID:622
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/bin/mkdirmkdir -p /usr/bin/dpkgd2⤵
- Reads runtime system information
PID:623
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/bin/shsh -c "cp -f /bin/ps /usr/bin/dpkgd/ps"1⤵PID:624
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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:625
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/bin/shsh -c "mkdir -p /bin"1⤵PID:626
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:627
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/bin/shsh -c "mkdir -p /bin"1⤵PID:628
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:629
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /bin/ps"1⤵PID:630
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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:631
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/bin/shsh -c "chmod 0755 /bin/ps"1⤵PID:632
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/bin/chmodchmod 0755 /bin/ps2⤵PID:633
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/bin/shsh -c "cp -f /bin/ss /usr/bin/dpkgd/ss"1⤵PID:634
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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:635
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/bin/shsh -c "mkdir -p /bin"1⤵PID:636
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:637
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/bin/shsh -c "mkdir -p /bin"1⤵PID:638
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/bin/mkdirmkdir -p /bin2⤵
- Reads runtime system information
PID:639
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /bin/ss"1⤵PID:640
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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:641
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/bin/shsh -c "chmod 0755 /bin/ss"1⤵PID:642
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/bin/chmodchmod 0755 /bin/ss2⤵PID:643
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/bin/shsh -c "cp -f /usr/bin/lsof /usr/bin/dpkgd/lsof"1⤵PID:644
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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:645
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:646
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:647
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/bin/shsh -c "mkdir -p /usr/bin"1⤵PID:648
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/bin/mkdirmkdir -p /usr/bin2⤵
- Reads runtime system information
PID:649
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/lsof"1⤵PID:650
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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:651
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/bin/shsh -c "chmod 0755 /usr/bin/lsof"1⤵PID:654
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/bin/chmodchmod 0755 /usr/bin/lsof2⤵PID:655
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/bin/shsh -c "insmod /tmp/xpacket.ko"1⤵PID:656
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/sbin/insmodinsmod /tmp/xpacket.ko2⤵
- Reads runtime system information
PID:657
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/bin/shsh -c "insmod /usr/bin/bsd-port/xpacket.ko"1⤵PID:662
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/sbin/insmodinsmod /usr/bin/bsd-port/xpacket.ko2⤵
- Reads runtime system information
PID:663
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