b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
150s
max time network
148s
platform
ubuntu-18.04_amd64
resource
ubuntu1804-amd64-20240226-en
resource tags

arch:amd64arch:i386image:ubuntu1804-amd64-20240226-enkernel:4.15.0-213-genericlocale:en-usos:ubuntu-18.04-amd64system
submitted
01-03-2024 21:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
Size

8.7MB
MD5

d4e533f9c11b5cc9e755d94c1315553a
SHA1

9e15020cd2688b537bae18e5f291ee8cbe9a85e7
SHA256

7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
SHA512

149226355b2e5c3fac403289b5e66bd4164a7aee76d8dc8f1d698c509db7a081bad9d4172cc950bb0e6e6909e0073d551dcde82cbeaaf61a9c1b02c9ba48fb38
SSDEEP

98304:H27or8Dynb9c4EHv9/fW/NQXPvTCaedQuMBiHAUU4C7Xk:H27or8DyO4UnwQfvTCXdQuMoUj

Score

8^/10

antivm persistence

Malware Config

Signatures

Adds new SSH keys 1 IoCs
Linux special file to hold SSH keys. The threat actor may add new keys for further remote access.
persistence

Processes:

description ioc

File opened for modification /root/.ssh/authorized_keys
Deletes itself 1 IoCs

Processes:

pid

1548
Checks CPU configuration 1 TTPs 1 IoCs
Checks CPU information which indicate if the system is a virtual machine.
antivm

Virtualization/Sandbox Evasion
T1497

Processes:

cat

description ioc process

File opened for reading /proc/cpuinfo cat
Deletes log files 1 TTPs 1 IoCs
Deletes log files on the system.

Indicator Removal
T1070

Processes:

description ioc

File deleted /var/log/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
Enumerates running processes
Discovers information about currently running processes on the system

description	ioc
File opened for modification	/root/.ssh/authorized_keys

pid
1548

description	ioc	process
File opened for reading	/proc/cpuinfo	cat

description	ioc
File deleted	/var/log/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

Reads CPU attributes 1 TTPs 30 IoCs

System Information Discovery

T1082

Processes:

freeuptimefreeuptimeuptimeuptimeuptimeuptimeuptimefreeuptimeuptimefreefreefreefreefreefreeuptimeuptimeuptimeuptimefreefreefreeuptimefreeuptimefreefree

description	ioc	process
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

Processes:

journalctluptimeuptimeuptimeuptimefreefreefreefreefreeuptimefree

description	ioc	process
File opened for reading	/proc/self/stat	journalctl
File opened for reading	/proc/17/stat
File opened for reading	/proc/sys/kernel/osrelease	uptime
File opened for reading	/proc/1074/cmdline
File opened for reading	/proc/1542/stat
File opened for reading	/proc/1474/stat
File opened for reading	/proc/160/stat
File opened for reading	/proc/430/stat
File opened for reading	/proc/1240/cmdline
File opened for reading	/proc/1023/stat
File opened for reading	/proc/79/stat
File opened for reading	/proc/1311/cmdline
File opened for reading	/proc/1168/stat
File opened for reading	/proc/1542/cmdline
File opened for reading	/proc/430/cmdline
File opened for reading	/proc/431/stat
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/1260/cmdline
File opened for reading	/proc/1451/cmdline
File opened for reading	/proc/1116/stat
File opened for reading	/proc/21/stat
File opened for reading	/proc/1159/cmdline
File opened for reading	/proc/174/cmdline
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1132/cmdline
File opened for reading	/proc/5/stat
File opened for reading	/proc/25/cmdline
File opened for reading	/proc/12/stat
File opened for reading	/proc/1561/stat
File opened for reading	/proc/161/stat
File opened for reading	/proc/482/stat
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1/cmdline
File opened for reading	/proc/1157/cmdline
File opened for reading	/proc/sys/kernel/osrelease	free
File opened for reading	/proc/677/cmdline
File opened for reading	/proc/115/stat
File opened for reading	/proc/1311/stat
File opened for reading	/proc/29/stat
File opened for reading	/proc/897/stat
File opened for reading	/proc/sys/kernel/osrelease	free
File opened for reading	/proc/1543/cmdline
File opened for reading	/proc/604/cmdline
File opened for reading	/proc/172/cmdline
File opened for reading	/proc/1070/stat
File opened for reading	/proc/1200/cmdline
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/710/stat
File opened for reading	/proc/9/stat
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/1093/stat
File opened for reading	/proc/457/stat
File opened for reading	/proc/271/cmdline
File opened for reading	/proc/407/cmdline
File opened for reading	/proc/1149/stat
File opened for reading	/proc/1544/stat
File opened for reading	/proc/205/cmdline
File opened for reading	/proc/21/cmdline
File opened for reading	/proc/sys/kernel/osrelease	free
File opened for reading	/proc/1066/cmdline
File opened for reading	/proc/1260/stat
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1171/stat
File opened for reading	/proc/meminfo	free

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
1⤵
PID:1546

/bin/uname
uname -a
1⤵
PID:1556

/bin/cat
cat /proc/cpuinfo
1⤵
- Checks CPU configuration
PID:1557

/bin/cat
cat /etc/issue
1⤵
PID:1558

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1559

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1560

/bin/journalctl
journalctl -S "@0" -u sshd
1⤵
- Reads runtime system information
PID:1564

/bin/cat
cat "/var/log/auth*"
1⤵
PID:1565

/bin/zcat
zcat "/var/log/auth*"
1⤵
PID:1566

/bin/gzip
gzip -cd "/var/log/auth*"
1⤵
PID:1566

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1567

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1568

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1569

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1570

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1573

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1574

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1575

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1576

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1577

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1578

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1579

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1580

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1581

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1582

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1583

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1584

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1585

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1586

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1587

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1588

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1589

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1590

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1591

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1592

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
- Reads runtime system information
PID:1593

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1594

/usr/bin/free
free -m
1⤵
- Reads CPU attributes
PID:1595

/usr/bin/uptime
uptime
1⤵
- Reads CPU attributes
PID:1596

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Indicator Removal

T1070

Credential Access

Discovery

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

/root/.ssh/authorized_keys
Filesize
381B

MD5
9da18d38b6dd4c4aa84642378d63fa89

SHA1
c5a976691e4b5963b5e760044f22cc9685268db6

SHA256
43062900b2539d8d1f67f30fa7042c56b53541f63875b5f0de5d8fbde0e0a8bf

SHA512
222b20b5b2ff8956c13dbac1f8d3f81435613b751913d65f4c4082ea9c1a7c8ae91be17a24ef4ae0c708bfe09daab552bb209615714d70acfaaed89c536c71b3

Download Submit