Analysis
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max time kernel
41s -
max time network
42s -
platform
ubuntu-22.04_amd64 -
resource
ubuntu2204-amd64-20240522.1-en -
resource tags
arch:amd64arch:i386image:ubuntu2204-amd64-20240522.1-enkernel:5.15.0-105-genericlocale:en-usos:ubuntu-22.04-amd64system -
submitted
26-06-2024 16:04
Behavioral task
behavioral1
Sample
b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe
Resource
ubuntu2204-amd64-20240522.1-en
General
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Target
b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe
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Size
1.2MB
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MD5
a011ae821ae822bade7ef4f396dcc20c
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SHA1
dee10d43f35c7a8513f7e2180eada022152081be
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SHA256
b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe
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SHA512
14e3ff9968a4201f56d9b3e14441fa4ab47e3b400bc6d7a02577828d3675aa75810963fb23b8ba718505acd7f8b762124edbb98fb42f7d7ab6c79ea58264bea5
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SSDEEP
24576:e845rGHu6gVJKG75oFpA0VWeX4r2y1q2rJp0:745vRVJKGtSA0VWeoau9p0
Malware Config
Signatures
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MrBlack trojan 1 IoCs
resource yara_rule behavioral1/files/fstream-4.dat family_mrblack -
Executes dropped EXE 2 IoCs
ioc pid Process /usr/bin/bsd-port/getty 1593 getty /usr/bin/.sshd 1617 .sshd -
description ioc Process File opened for modification /etc/init.d/DbSecuritySpt b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for modification /etc/init.d/selinux getty -
Reads system routing table 1 TTPs 2 IoCs
Gets active network interfaces from /proc virtual filesystem.
description ioc Process File opened for reading /proc/net/route getty File opened for reading /proc/net/route b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe -
Write file to user bin folder 1 TTPs 12 IoCs
description ioc Process File opened for modification /usr/bin/.sshd cp File opened for modification /usr/bin/dpkgd/ps cp File opened for modification /usr/bin/ps cp File opened for modification /usr/bin/bsd-port/conf.n getty File opened for modification /usr/bin/bsd-port/getty.lock b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for modification /usr/bin/bsd-port/getty.lock getty File opened for modification /usr/bin/dpkgd/lsof cp File opened for modification /usr/bin/dpkgd/ss cp File opened for modification /usr/bin/lsof cp File opened for modification /usr/bin/ss cp File opened for modification /usr/bin/bsd-port/udevd.lock b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for modification /usr/bin/bsd-port/getty cp -
Writes file to system bin folder 1 TTPs 3 IoCs
description ioc Process File opened for modification /bin/lsof cp File opened for modification /bin/ps cp File opened for modification /bin/ss cp -
Checks CPU configuration 1 TTPs 2 IoCs
Checks CPU information which indicate if the system is a virtual machine.
description ioc Process File opened for reading /proc/cpuinfo getty File opened for reading /proc/cpuinfo b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe -
Reads system network configuration 1 TTPs 6 IoCs
Uses contents of /proc filesystem to enumerate network settings.
description ioc Process File opened for reading /proc/net/dev getty File opened for reading /proc/net/dev b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for reading /proc/net/route b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for reading /proc/net/arp b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for reading /proc/net/route getty File opened for reading /proc/net/arp getty -
Reads runtime system information 37 IoCs
Reads data from /proc virtual filesystem.
description ioc Process File opened for reading /proc/sys/kernel/version b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems cp File opened for reading /proc/meminfo getty File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems cp File opened for reading /proc/stat b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for reading /proc/sys/kernel/version getty File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/cmdline insmod File opened for reading /proc/cmdline insmod File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/sys/kernel/version .sshd File opened for reading /proc/filesystems cp File opened for reading /proc/stat getty File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems mkdir File opened for reading /proc/filesystems cp File opened for reading /proc/filesystems mkdir File opened for reading /proc/meminfo b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe -
Writes file to tmp directory 7 IoCs
Malware often drops required files in the /tmp directory.
description ioc Process File opened for modification /tmp/moni.lod b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for modification /tmp/bill.lock b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for modification /tmp/gates.lod b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for modification /tmp/notify.file b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe File opened for modification /tmp/moni.lod .sshd File opened for modification /tmp/notify.file .sshd File opened for modification /tmp/conf.n b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe
Processes
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/tmp/b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe/tmp/b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe1⤵
- Modifies init.d
- Reads system routing table
- Write file to user bin folder
- Checks CPU configuration
- Reads system network configuration
- Reads runtime system information
- Writes file to tmp directory
PID:1563 -
/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt"2⤵PID:1575
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/usr/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc1.d/S97DbSecuritySpt3⤵PID:1576
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt"2⤵PID:1577
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/usr/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc2.d/S97DbSecuritySpt3⤵PID:1578
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt"2⤵PID:1579
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/usr/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc3.d/S97DbSecuritySpt3⤵PID:1580
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt"2⤵PID:1581
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/usr/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc4.d/S97DbSecuritySpt3⤵PID:1582
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/bin/shsh -c "ln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt"2⤵PID:1583
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/usr/bin/lnln -s /etc/init.d/DbSecuritySpt /etc/rc5.d/S97DbSecuritySpt3⤵PID:1584
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/bin/shsh -c "mkdir -p /usr/bin/bsd-port"2⤵PID:1585
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/usr/bin/mkdirmkdir -p /usr/bin/bsd-port3⤵
- Reads runtime system information
PID:1586
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/bin/shsh -c "mkdir -p /usr/bin/bsd-port"2⤵PID:1587
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/usr/bin/mkdirmkdir -p /usr/bin/bsd-port3⤵
- Reads runtime system information
PID:1588
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/bin/shsh -c "cp -f /tmp/b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe /usr/bin/bsd-port/getty"2⤵PID:1589
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/usr/bin/cpcp -f /tmp/b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe /usr/bin/bsd-port/getty3⤵
- Write file to user bin folder
- Reads runtime system information
PID:1590
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/bin/shsh -c /usr/bin/bsd-port/getty2⤵PID:1592
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/usr/bin/bsd-port/getty/usr/bin/bsd-port/getty3⤵
- Executes dropped EXE
- Modifies init.d
- Reads system routing table
- Write file to user bin folder
- Checks CPU configuration
- Reads system network configuration
- Reads runtime system information
PID:1593 -
/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc1.d/S99selinux"4⤵PID:1601
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/usr/bin/lnln -s /etc/init.d/selinux /etc/rc1.d/S99selinux5⤵PID:1602
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc2.d/S99selinux"4⤵PID:1603
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/usr/bin/lnln -s /etc/init.d/selinux /etc/rc2.d/S99selinux5⤵PID:1604
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc3.d/S99selinux"4⤵PID:1605
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/usr/bin/lnln -s /etc/init.d/selinux /etc/rc3.d/S99selinux5⤵PID:1606
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc4.d/S99selinux"4⤵PID:1607
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/usr/bin/lnln -s /etc/init.d/selinux /etc/rc4.d/S99selinux5⤵PID:1608
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/bin/shsh -c "ln -s /etc/init.d/selinux /etc/rc5.d/S99selinux"4⤵PID:1609
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/usr/bin/lnln -s /etc/init.d/selinux /etc/rc5.d/S99selinux5⤵PID:1610
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/bin/shsh -c "mkdir -p /usr/bin/dpkgd"4⤵PID:1611
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/usr/bin/mkdirmkdir -p /usr/bin/dpkgd5⤵
- Reads runtime system information
PID:1612
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/bin/shsh -c "cp -f /bin/lsof /usr/bin/dpkgd/lsof"4⤵PID:1613
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/usr/bin/cpcp -f /bin/lsof /usr/bin/dpkgd/lsof5⤵
- Write file to user bin folder
- Reads runtime system information
PID:1614
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/bin/shsh -c "mkdir -p /bin"4⤵PID:1618
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/usr/bin/mkdirmkdir -p /bin5⤵
- Reads runtime system information
PID:1619
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/bin/shsh -c "mkdir -p /bin"4⤵PID:1620
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/usr/bin/mkdirmkdir -p /bin5⤵
- Reads runtime system information
PID:1621
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /bin/lsof"4⤵PID:1622
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/usr/bin/cpcp -f /usr/bin/bsd-port/getty /bin/lsof5⤵
- Writes file to system bin folder
- Reads runtime system information
PID:1623
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/bin/shsh -c "chmod 0755 /bin/lsof"4⤵PID:1624
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/usr/bin/chmodchmod 0755 /bin/lsof5⤵PID:1625
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/bin/shsh -c "cp -f /bin/ps /usr/bin/dpkgd/ps"4⤵PID:1626
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/usr/bin/cpcp -f /bin/ps /usr/bin/dpkgd/ps5⤵
- Write file to user bin folder
- Reads runtime system information
PID:1627
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/bin/shsh -c "mkdir -p /bin"4⤵PID:1628
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/usr/bin/mkdirmkdir -p /bin5⤵
- Reads runtime system information
PID:1629
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/bin/shsh -c "mkdir -p /bin"4⤵PID:1630
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/usr/bin/mkdirmkdir -p /bin5⤵
- Reads runtime system information
PID:1631
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /bin/ps"4⤵PID:1632
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/usr/bin/cpcp -f /usr/bin/bsd-port/getty /bin/ps5⤵
- Writes file to system bin folder
- Reads runtime system information
PID:1633
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/bin/shsh -c "chmod 0755 /bin/ps"4⤵PID:1634
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/usr/bin/chmodchmod 0755 /bin/ps5⤵PID:1635
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/bin/shsh -c "cp -f /bin/ss /usr/bin/dpkgd/ss"4⤵PID:1636
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/usr/bin/cpcp -f /bin/ss /usr/bin/dpkgd/ss5⤵
- Write file to user bin folder
- Reads runtime system information
PID:1637
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/bin/shsh -c "mkdir -p /bin"4⤵PID:1638
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/usr/bin/mkdirmkdir -p /bin5⤵
- Reads runtime system information
PID:1639
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/bin/shsh -c "mkdir -p /bin"4⤵PID:1640
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/usr/bin/mkdirmkdir -p /bin5⤵
- Reads runtime system information
PID:1641
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /bin/ss"4⤵PID:1642
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/usr/bin/cpcp -f /usr/bin/bsd-port/getty /bin/ss5⤵
- Writes file to system bin folder
- Reads runtime system information
PID:1643
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/bin/shsh -c "chmod 0755 /bin/ss"4⤵PID:1644
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/usr/bin/chmodchmod 0755 /bin/ss5⤵PID:1645
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/bin/shsh -c "mkdir -p /usr/bin"4⤵PID:1646
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/usr/bin/mkdirmkdir -p /usr/bin5⤵
- Reads runtime system information
PID:1647
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/bin/shsh -c "mkdir -p /usr/bin"4⤵PID:1648
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/usr/bin/mkdirmkdir -p /usr/bin5⤵
- Reads runtime system information
PID:1649
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/lsof"4⤵PID:1650
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/usr/bin/cpcp -f /usr/bin/bsd-port/getty /usr/bin/lsof5⤵
- Write file to user bin folder
- Reads runtime system information
PID:1651
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/bin/shsh -c "chmod 0755 /usr/bin/lsof"4⤵PID:1652
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/usr/bin/chmodchmod 0755 /usr/bin/lsof5⤵PID:1653
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/bin/shsh -c "mkdir -p /usr/bin"4⤵PID:1654
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/usr/bin/mkdirmkdir -p /usr/bin5⤵
- Reads runtime system information
PID:1655
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/bin/shsh -c "mkdir -p /usr/bin"4⤵PID:1656
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/usr/bin/mkdirmkdir -p /usr/bin5⤵
- Reads runtime system information
PID:1657
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/ps"4⤵PID:1658
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/usr/bin/cpcp -f /usr/bin/bsd-port/getty /usr/bin/ps5⤵
- Write file to user bin folder
- Reads runtime system information
PID:1659
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/bin/shsh -c "chmod 0755 /usr/bin/ps"4⤵PID:1660
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/usr/bin/chmodchmod 0755 /usr/bin/ps5⤵PID:1661
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/bin/shsh -c "mkdir -p /usr/bin"4⤵PID:1662
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/usr/bin/mkdirmkdir -p /usr/bin5⤵
- Reads runtime system information
PID:1663
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/bin/shsh -c "mkdir -p /usr/bin"4⤵PID:1664
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/usr/bin/mkdirmkdir -p /usr/bin5⤵
- Reads runtime system information
PID:1665
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/bin/shsh -c "cp -f /usr/bin/bsd-port/getty /usr/bin/ss"4⤵PID:1666
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/usr/bin/cpcp -f /usr/bin/bsd-port/getty /usr/bin/ss5⤵
- Write file to user bin folder
- Reads runtime system information
PID:1667
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/bin/shsh -c "chmod 0755 /usr/bin/ss"4⤵PID:1668
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/usr/bin/chmodchmod 0755 /usr/bin/ss5⤵PID:1669
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/bin/shsh -c "insmod /usr/bin/bsd-port/xpacket.ko"4⤵PID:1682
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/usr/sbin/insmodinsmod /usr/bin/bsd-port/xpacket.ko5⤵
- Reads runtime system information
PID:1683
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/bin/shsh -c "mkdir -p /usr/bin"2⤵PID:1595
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/usr/bin/mkdirmkdir -p /usr/bin3⤵
- Reads runtime system information
PID:1596
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/bin/shsh -c "mkdir -p /usr/bin"2⤵PID:1597
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/usr/bin/mkdirmkdir -p /usr/bin3⤵
- Reads runtime system information
PID:1598
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/bin/shsh -c "cp -f /tmp/b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe /usr/bin/.sshd"2⤵PID:1599
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/usr/bin/cpcp -f /tmp/b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe /usr/bin/.sshd3⤵
- Write file to user bin folder
- Reads runtime system information
PID:1600
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/bin/shsh -c /usr/bin/.sshd2⤵PID:1616
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/usr/bin/.sshd/usr/bin/.sshd3⤵
- Executes dropped EXE
- Reads runtime system information
- Writes file to tmp directory
PID:1617
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/bin/shsh -c "insmod /tmp/xpacket.ko"2⤵PID:1684
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/usr/sbin/insmodinsmod /tmp/xpacket.ko3⤵
- Reads runtime system information
PID:1685
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
82B
MD54e1b59ecaba7aec367ecca3166e70fec
SHA11f0e661c74a5f263038033a4e0a8b449244cf22b
SHA25688f4278f98f1e7dd75321b2cf68d969e2b94961c911c6048f439ec49026bdebb
SHA5120d143b8fb1766b4ecf034225e794f42f931d363ffd3a8a1f6db29819a1aa7dab65f6490883333d233d8031a1ff5d96a600e3e035e86efcea485be5ad354329b1
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Filesize
36B
MD5993cc15058142d96c3daf7852c3d5ee8
SHA10950b8b391b04dd3895ea33cd3141543ebd2525d
SHA2568171d077918611803d93088409f220c66fae1c670b297e1aa5d8cbd548ce9208
SHA5120c4256c00a3710f97e92581b552682b36b62afc35fe72622c491323c618c19ea62611ac04ccafc3dfcde2254a2ebbd93b69b66795b16e36332293bed83adb928
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Filesize
73B
MD56c16a265e898152cab0d8f691982fe38
SHA189bd13bf7006c3ad2662217463bca57df549d844
SHA256b93b44a01b890bc475a5bd3e14e6044cb5e3b339cd5b4267a124e326a494f0f1
SHA512966a1ab59b16a3b98c68d8c6777d977f454dab853eff2272781379be2aa0cdc09c28c7556eaeda59730630a173dd72cfb9789197069060219e1ef7c3ebae865d
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Filesize
4B
MD5facf9f743b083008a894eee7baa16469
SHA1fe286d02f80118de47f2226c2fce9f7be0bc04f0
SHA2562163909115c0f6f1e638bd2c2279387cbe37cc327150a7b5cddfde3d1cd4ef0e
SHA5127bd3d1d347d68f23d612a3ec7a1d2f4094874162441bae20122876ea980bbb76a3c46d5d2e393975ea0659fb2b58046a311d7660f226482a57a74e9ffd9b0f36
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Filesize
4B
MD5148510031349642de5ca0c544f31b2ef
SHA177414e9365b4fa9ec8273893dd82c95a64dc4278
SHA256f8646a257c0c4273b72c83c5d563ba1acda190626677d3cb89dc748e00182315
SHA512d8e4328915ce1a8f714dd6190f6cc6a6cb72b0acebf66596fef3aa56facc5a87c97e477a15860e9c561af0150f9592e37dbfa75ae046346c847888e5a2c39301
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Filesize
69B
MD5c726546814e8a3c06bddf4417585d127
SHA159dcd57473d230428b86a3ca0a5514877910ae6a
SHA256c8a987df4990d2b05f19b9a597fcf640375aaba1e9b7fae2ce3cda09670998ae
SHA5124c5c537bec2b3c84b609fa76f1c093b9ad6abb456ee10c339cdab2342a60e9a9fa9cb7a3bdd5219f529b572896e868ccd8b824efb8496a564537ff8f40f2db5a
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Filesize
1.2MB
MD5a011ae821ae822bade7ef4f396dcc20c
SHA1dee10d43f35c7a8513f7e2180eada022152081be
SHA256b7596ec8533098af77fd3b2915f102ed3286c437140cc49ba60fbad80b466cbe
SHA51214e3ff9968a4201f56d9b3e14441fa4ab47e3b400bc6d7a02577828d3675aa75810963fb23b8ba718505acd7f8b762124edbb98fb42f7d7ab6c79ea58264bea5
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Filesize
163KB
MD5ab57b66cc531ae0f996963223e632b60
SHA1bf7e5becd33f21c2539f5a75ffa0ab61c49c8795
SHA2562484863a7bfda7f97b90bfd5dfceed4ec9f27dd51f9c5158c8daabbf4309b1df
SHA512908acef13f3c1d80b7169ec3b16bb67006013453348fff75550bc3c6c2137e798b21d7990edbd5be63d756d9c41b06160aebf38aa80547e4bafa3a62596057f6
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Filesize
138KB
MD58146139c2ad7e550b1d1f49480997446
SHA1074db8890c3227bd8a588417f5b9bde637bcf3af
SHA256207df9d438f75185ab3af2ab1173d104831a6631c28ef40d38b2ab43de27b40f
SHA512b6d71d537f593b9af833e6f798e412e95fc486a313414ed8cca9639f61be7ac9dca700e9f861c0d07c7f65b3783127a67f829f422472cad8938ba01d397ab9de
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Filesize
125KB
MD51b25ac945efae8520ba112b500e2d561
SHA18324c4d1d1427829266e82f203386232ff82af15
SHA2565eb16d9a8bc81fe767725874e3f67623b8e86b46ec93546be49c5b09d3ab4636
SHA512e191f967170ea4844f736c5ab75b7bf45fef3af34f0a4bef0d36475d646b0b089449fe39806664b9f6ce1984037687930cc368892230662c8c30f67fa3ac216e