b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
149s
max time network
141s
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
04-09-2024 20:01

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General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
Size

8.7MB
MD5

0263de27fd997a4904ee4a92f91ac733
SHA1

da090fd76b2d92320cf7e55666bb5bd8f50796c9
SHA256

0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
SHA512

09ef02532eb7c3a968c1d04bf1f3aa9a4bf400f8485d3be596d7db3aed5f705fc1f85a1f6218397a70830ad747aa03c61b9c5b1cca24c2620cdbb3e5361db194
SSDEEP

98304:bKwGam/zeDrZCDcryHlc5Qp+FLk0h6u9SrS2D8t7Xk:bKwGam/z4C3FKQ8FLTh6u9S4

Score

8^/10

antivm defense_evasion discovery persistence privilege_escalation

Malware Config

Signatures

Adds new SSH keys 1 TTPs 1 IoCs

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

persistence privilege_escalation

SSH Authorized Keys

T1098.004

description	ioc	Process
File opened for modification	/root/.ssh/authorized_keys	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732

Deletes itself 1 IoCs

pid
1578

Deletes log files 1 TTPs 1 IoCs

Deletes log files on the system.

defense_evasion

Clear Linux or Mac System Logs

T1070.002

description	ioc	Process
File deleted	/var/log/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732

Enumerates running processes
Discovers information about currently running processes on the system

Checks CPU configuration 1 TTPs 1 IoCs

Checks CPU information which indicate if the system is a virtual machine.

antivm

System Checks

T1497.001

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

Reads CPU attributes 1 TTPs 30 IoCs

discovery

System Information Discovery

T1082

description	ioc	Process
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	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	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	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	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	free

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/self/auxv	uptime
File opened for reading	/proc/1221/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/2/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/119/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/212/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/self/auxv	uptime
File opened for reading	/proc/1590/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/225/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/73/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/76/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1057/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1245/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1280/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/227/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1175/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1180/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1573/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/26/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1436/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1205/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/18/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/682/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/sys/kernel/osrelease	uptime
File opened for reading	/proc/80/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/90/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1100/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/25/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/640/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1113/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1360/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/221/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/77/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/836/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1159/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/self/auxv	uptime
File opened for reading	/proc/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/10/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/81/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/self/auxv	free
File opened for reading	/proc/3/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/662/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1573/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/215/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/263/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/417/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1067/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/761/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/sys/kernel/osrelease	uptime
File opened for reading	/proc/1179/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1489/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/821/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/826/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/sys/kernel/osrelease	free
File opened for reading	/proc/94/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/4/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/408/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/self/auxv	free
File opened for reading	/proc/219/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/82/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/1133/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/4/cmdline	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/90/stat	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
File opened for reading	/proc/uptime	uptime

Writes file to tmp directory 1 IoCs

Malware often drops required files in the /tmp directory.

description	ioc	Process
File opened for modification	/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/nc	0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732
1⤵
- Adds new SSH keys
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:1574
- /usr/bin/uname
  uname -a
  2⤵
  PID:1585
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:1586
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:1587
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1588
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1589
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  PID:1594
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:1595
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:1596
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:1596
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:1596
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:1596
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:1596
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1597
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1598
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1599
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1600
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1603
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1604
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1605
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1606
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1607
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1608
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1609
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1610
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1611
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1612
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1613
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1614
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1615
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1616
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1617
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1618
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1619
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1620
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1624
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1625
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1626
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1627
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1628
- /usr/bin/uptime
  uptime
  2⤵
  - Reads CPU attributes
  PID:1629

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Account Manipulation

T1098

SSH Authorized Keys

T1098.004

Privilege Escalation

Account Manipulation

T1098

SSH Authorized Keys

T1098.004

Defense Evasion

Indicator Removal

T1070

Clear Linux or Mac System Logs

T1070.002

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Credential Access

Discovery

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/nc

Filesize
8.7MB

MD5
0263de27fd997a4904ee4a92f91ac733

SHA1
da090fd76b2d92320cf7e55666bb5bd8f50796c9

SHA256
0ab8836efcaa62c7daac314e0b7ab1679319b2901578fd9e95ec3476b4c1a732

SHA512
09ef02532eb7c3a968c1d04bf1f3aa9a4bf400f8485d3be596d7db3aed5f705fc1f85a1f6218397a70830ad747aa03c61b9c5b1cca24c2620cdbb3e5361db194

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads