Overview
overview
10Static
static
10.sshdd
ubuntu-18.04-amd64
7261664
ubuntu-18.04-amd64
832
ubuntu-18.04-amd64
136000.exe
windows7-x64
736000.exe
windows10-2004-x64
764
ubuntu-18.04-amd64
8GetPass.exe
windows7-x64
7GetPass.exe
windows10-2004-x64
7NetSyst81.dll
windows7-x64
1NetSyst81.dll
windows10-2004-x64
1POP
ubuntu-18.04-amd64
1SAY123
ubuntu-18.04-amd64
5SAY456
ubuntu-18.04-amd64
8TomDog_Result.html
windows7-x64
1TomDog_Result.html
windows10-2004-x64
1a06
ubuntu-18.04-amd64
9a07
ubuntu-18.04-amd64
9a08
ubuntu-18.04-amd64
9a09
ubuntu-18.04-amd64
9a10
ubuntu-18.04-amd64
9banner313.pl
ubuntu-18.04-amd64
banner313.pl
debian-9-armhf
banner313.pl
debian-9-mips
banner313.pl
debian-9-mipsel
f.sh
ubuntu-18.04-amd64
5f.sh
debian-9-armhf
5f.sh
debian-9-mips
5f.sh
debian-9-mipsel
5g3m.pl
ubuntu-18.04-amd64
g3m.pl
debian-9-armhf
g3m.pl
debian-9-mips
g3m.pl
debian-9-mipsel
Analysis
-
max time kernel
61s -
max time network
39s -
platform
ubuntu-18.04_amd64 -
resource
ubuntu1804-amd64-20221111-en -
resource tags
arch:amd64arch:i386image:ubuntu1804-amd64-20221111-enkernel:4.15.0-161-genericlocale:en-usos:ubuntu-18.04-amd64system -
submitted
20-04-2023 08:22
Behavioral task
behavioral1
Sample
.sshdd
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral2
Sample
261664
Resource
ubuntu1804-amd64-en-20211208
Behavioral task
behavioral3
Sample
32
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral4
Sample
36000.exe
Resource
win7-20230220-en
Behavioral task
behavioral5
Sample
36000.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral6
Sample
64
Resource
ubuntu1804-amd64-en-20211208
Behavioral task
behavioral7
Sample
GetPass.exe
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
GetPass.exe
Resource
win10v2004-20230220-en
Behavioral task
behavioral9
Sample
NetSyst81.dll
Resource
win7-20230220-en
Behavioral task
behavioral10
Sample
NetSyst81.dll
Resource
win10v2004-20230220-en
Behavioral task
behavioral11
Sample
POP
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral12
Sample
SAY123
Resource
ubuntu1804-amd64-en-20211208
Behavioral task
behavioral13
Sample
SAY456
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral14
Sample
TomDog_Result.html
Resource
win7-20230220-en
Behavioral task
behavioral15
Sample
TomDog_Result.html
Resource
win10v2004-20230220-en
Behavioral task
behavioral16
Sample
a06
Resource
ubuntu1804-amd64-en-20211208
Behavioral task
behavioral17
Sample
a07
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral18
Sample
a08
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral19
Sample
a09
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral20
Sample
a10
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral21
Sample
banner313.pl
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral22
Sample
banner313.pl
Resource
debian9-armhf-20221111-en
Behavioral task
behavioral23
Sample
banner313.pl
Resource
debian9-mipsbe-en-20211208
Behavioral task
behavioral24
Sample
banner313.pl
Resource
debian9-mipsel-en-20211208
Behavioral task
behavioral25
Sample
f.sh
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral26
Sample
f.sh
Resource
debian9-armhf-20221111-en
Behavioral task
behavioral27
Sample
f.sh
Resource
debian9-mipsbe-en-20211208
Behavioral task
behavioral28
Sample
f.sh
Resource
debian9-mipsel-20221111-en
Behavioral task
behavioral29
Sample
g3m.pl
Resource
ubuntu1804-amd64-20221111-en
Behavioral task
behavioral30
Sample
g3m.pl
Resource
debian9-armhf-en-20211208
Behavioral task
behavioral31
Sample
g3m.pl
Resource
debian9-mipsbe-20221111-en
Behavioral task
behavioral32
Sample
g3m.pl
Resource
debian9-mipsel-en-20211208
General
-
Target
a08
-
Size
611KB
-
MD5
a99c10cb9713770b9e7dda376cddee3a
-
SHA1
1f1dd4d74eba8949fb1d2316c13f77b3ffa96f98
-
SHA256
92a260d856e00056469fb26f5305a37f6ab443d735d1476281b053b10b3c4f86
-
SHA512
1d410a7259469a16a1599fb28cb7cd82813270a112055e4fbe28327735a2968affbfdcba0a2001d504919e5ef3b271f40c45da6291be9c5f97c278418b241b79
-
SSDEEP
12288:UB1tATMVAqnf+ExxBHYpmA38X8LYkCW6TiOx6yB1/iGK4UlUuTh1AG:UB1BVpmExDYp38X8LYTWhOfNiGQl/91h
Malware Config
Signatures
-
Writes file to system bin folder 1 TTPs 4 IoCs
description ioc /bin/xscwlblmay /bin/xscwlblmay /bin/cbmedlvoic /bin/cbmedlvoic /bin/jbijdvlkyt /bin/jbijdvlkyt /bin/mepfraymdx /bin/mepfraymdx -
Creates/modifies Cron job 1 TTPs 2 IoCs
Cron allows running tasks on a schedule, and is commonly used for malware persistence.
description ioc Process /etc/crontab /etc/crontab sed /etc/crontab /etc/crontab sh -
description ioc /etc/init.d/?��+?��?��+?�� /etc/init.d/?��+?��?��+?�� -
Modifies rc script 1 TTPs 17 IoCs
Adding/modifying system rc scripts is a common persistence mechanism.
description ioc Process /etc/rc6.d/ /etc/rc6.d/ update-rc.d /etc/rc2.d/S90?��+?��?��+?�� /etc/rc2.d/S90?��+?��?��+?�� Process not Found /etc/rc4.d/S90?��+?��?��+?�� /etc/rc4.d/S90?��+?��?��+?�� Process not Found /etc/rc3.d/S90a08 /etc/rc3.d/S90a08 Process not Found /etc/rc5.d/S90a08 /etc/rc5.d/S90a08 Process not Found /etc/rc4.d/ /etc/rc4.d/ update-rc.d /etc/rc3.d/ /etc/rc3.d/ update-rc.d /etc/rc2.d/ /etc/rc2.d/ update-rc.d /etc/rc1.d/S90?��+?��?��+?�� /etc/rc1.d/S90?��+?��?��+?�� Process not Found /etc/rc3.d/S90?��+?��?��+?�� /etc/rc3.d/S90?��+?��?��+?�� Process not Found /etc/rc5.d/S90?��+?��?��+?�� /etc/rc5.d/S90?��+?��?��+?�� Process not Found /etc/rc1.d/S90a08 /etc/rc1.d/S90a08 Process not Found /etc/rc2.d/S90a08 /etc/rc2.d/S90a08 Process not Found /etc/rc1.d/ /etc/rc1.d/ update-rc.d /etc/rc4.d/S90a08 /etc/rc4.d/S90a08 Process not Found /etc/rc0.d/ /etc/rc0.d/ update-rc.d /etc/rc5.d/ /etc/rc5.d/ update-rc.d -
Write file to user bin folder 1 TTPs 6 IoCs
description ioc Process /usr/bin/jbijdvlkyt /usr/bin/jbijdvlkyt Process not Found /usr/bin/mepfraymdx /usr/bin/mepfraymdx Process not Found /usr/sbin/update-rc.d /usr/sbin/update-rc.d update-rc.d /usr/bin/xscwlblmay /usr/bin/xscwlblmay Process not Found /usr/bin/kaovqjvytm /usr/bin/kaovqjvytm Process not Found /usr/bin/cbmedlvoic /usr/bin/cbmedlvoic Process not Found -
Reads runtime system information 7 IoCs
Reads data from /proc virtual filesystem.
description ioc Process /proc/sys/kernel/osrelease /proc/sys/kernel/osrelease systemctl /proc/1/environ /proc/1/environ systemctl /proc/1/sched /proc/1/sched systemctl /proc/cmdline /proc/cmdline systemctl /proc/filesystems /proc/filesystems sed /proc/filesystems /proc/filesystems systemctl /proc/self/stat /proc/self/stat systemctl -
Writes file to tmp directory 4 IoCs
Malware often drops required files in the /tmp directory.
description ioc /tmp/mepfraymdx /tmp/mepfraymdx /tmp/xscwlblmay /tmp/xscwlblmay /tmp/cbmedlvoic /tmp/cbmedlvoic /tmp/jbijdvlkyt /tmp/jbijdvlkyt
Processes
-
/tmp/a08/tmp/a081⤵PID:610
-
/bin/chkconfigchkconfig --add a081⤵PID:613
-
/sbin/chkconfigchkconfig --add a081⤵PID:613
-
/usr/bin/chkconfigchkconfig --add a081⤵PID:613
-
/usr/sbin/chkconfigchkconfig --add a081⤵PID:613
-
/usr/local/bin/chkconfigchkconfig --add a081⤵PID:613
-
/usr/local/sbin/chkconfigchkconfig --add a081⤵PID:613
-
/usr/X11R6/bin/chkconfigchkconfig --add a081⤵PID:613
-
/bin/shsh -c "sed -i '/\\/etc\\/cron.hourly\\/gcc.sh/d' /etc/crontab && echo '*/3 * * * * root /etc/cron.hourly/gcc.sh' >> /etc/crontab"1⤵
- Creates/modifies Cron job
PID:616 -
/bin/sedsed -i "/\\/etc\\/cron.hourly\\/gcc.sh/d" /etc/crontab2⤵
- Creates/modifies Cron job
- Reads runtime system information
PID:617
-
-
/bin/update-rc.dupdate-rc.d a08 defaults1⤵PID:615
-
/sbin/update-rc.dupdate-rc.d a08 defaults1⤵PID:615
-
/usr/bin/update-rc.dupdate-rc.d a08 defaults1⤵PID:615
-
/usr/sbin/update-rc.dupdate-rc.d a08 defaults1⤵
- Modifies rc script
- Write file to user bin folder
PID:615 -
/bin/systemctlsystemctl daemon-reload2⤵
- Reads runtime system information
PID:619
-
-
/usr/bin/xscwlblmay/usr/bin/xscwlblmay "ls -la" 6111⤵PID:642
-
/usr/bin/xscwlblmay/usr/bin/xscwlblmay whoami 6111⤵PID:645
-
/usr/bin/xscwlblmay/usr/bin/xscwlblmay "netstat -an" 6111⤵PID:648
-
/usr/bin/xscwlblmay/usr/bin/xscwlblmay "netstat -an" 6111⤵PID:651
-
/usr/bin/xscwlblmay/usr/bin/xscwlblmay id 6111⤵PID:654
-
/usr/bin/kaovqjvytm/usr/bin/kaovqjvytm "ps -ef" 6111⤵PID:657
-
/usr/bin/kaovqjvytm/usr/bin/kaovqjvytm "echo \"find\"" 6111⤵PID:660
-
/usr/bin/kaovqjvytm/usr/bin/kaovqjvytm "ps -ef" 6111⤵PID:663
-
/usr/bin/kaovqjvytm/usr/bin/kaovqjvytm "cat resolv.conf" 6111⤵PID:666
-
/usr/bin/kaovqjvytm/usr/bin/kaovqjvytm "route -n" 6111⤵PID:669
-
/usr/bin/cbmedlvoic/usr/bin/cbmedlvoic sh 6111⤵PID:672
-
/usr/bin/cbmedlvoic/usr/bin/cbmedlvoic ifconfig 6111⤵PID:675
-
/usr/bin/cbmedlvoic/usr/bin/cbmedlvoic bash 6111⤵PID:678
-
/usr/bin/cbmedlvoic/usr/bin/cbmedlvoic bash 6111⤵PID:684
-
/usr/bin/hyejseinoo/usr/bin/hyejseinoo top 6111⤵PID:719