b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Resubmissions

22-10-2024 02:07

241022-cka1nssfkj 10

Analysis

max time kernel
149s
max time network
160s
platform
ubuntu-24.04_amd64
resource
ubuntu2404-amd64-20240729-en
resource tags

arch:amd64arch:i386image:ubuntu2404-amd64-20240729-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
submitted
22-10-2024 02:07

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General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
Size

8.6MB
MD5

4842d5cc29c97aa611fba5ca07b060a5
SHA1

f93772038406f28fa4ca1cfb23349193562414b2
SHA256

9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
SHA512

cf1cb3f0291f3e0c3b47ff3ee9074b624e2d9781f9637d14ede0628ebb4b8b0fe13e16583f6a933a3e20872ec084dc812237f021757efe2a6d527a0a1723b5c8
SSDEEP

98304:JcZJWD3qZL7I9lysBfU9OWQcIImfWoezuA+dTlwO0Fz7Xk:JcZJWTqZLGlHsHQl3fNezuAI5g

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	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

Deletes itself 1 IoCs

pid	Process
2530	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

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/9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

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

Virtualization/Sandbox Evasion: Time Based Evasion 1 TTPs 15 IoCs

Adversaries may detect and evade virtualized environments and sandboxes.

defense_evasion

Time Based Evasion

T1497.003

pid	Process
2572	uptime
2570	uptime
2563	uptime
2576	uptime
2593	uptime
2561	uptime
2552	uptime
2559	uptime
2566	uptime
2574	uptime
2598	uptime
2546	uptime
2568	uptime
2600	uptime
2554	uptime

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 runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/2260/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/12/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/202/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1818/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/71/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/53/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/191/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1921/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/195/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2523/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2525/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/4/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/43/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2446/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1808/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1091/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2524/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/56/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/274/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/34/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/791/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1067/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1997/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2285/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/776/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1048/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/9/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1954/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2167/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/6/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1954/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1088/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/21/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1862/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1988/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/45/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1402/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/45/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/71/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/15/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/4/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1977/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/512/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/513/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/42/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/5/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/25/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/201/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/123/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/35/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/40/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/sys/net/core/somaxconn	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2446/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/51/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/1818/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/2324/stat	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/761/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
File opened for reading	/proc/80/cmdline	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

System Network Configuration Discovery 1 TTPs 4 IoCs

Adversaries may gather information about the network configuration of a system.

discovery

System Network Configuration Discovery

T1016

pid	Process
2550	gzip
2550	gzip
2550	gzip
2550	gzip

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	9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:2526
- /usr/bin/uname
  uname -a
  2⤵
  PID:2541
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2542
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2544
- /usr/bin/free
  free -m
  2⤵
  PID:2545
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2546
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  PID:2547
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2549
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2550
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2550
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2550
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2550
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2550
- /usr/bin/free
  free -m
  2⤵
  PID:2551
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2552
- /usr/bin/free
  free -m
  2⤵
  PID:2553
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2554
- /usr/bin/free
  free -m
  2⤵
  PID:2558
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2559
- /usr/bin/free
  free -m
  2⤵
  PID:2560
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2561
- /usr/bin/free
  free -m
  2⤵
  PID:2562
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2563
- /usr/bin/free
  free -m
  2⤵
  PID:2565
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2566
- /usr/bin/free
  free -m
  2⤵
  PID:2567
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2568
- /usr/bin/free
  free -m
  2⤵
  PID:2569
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2570
- /usr/bin/free
  free -m
  2⤵
  PID:2571
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2572
- /usr/bin/free
  free -m
  2⤵
  PID:2573
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2574
- /usr/bin/free
  free -m
  2⤵
  PID:2575
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2576
- /usr/bin/free
  free -m
  2⤵
  PID:2592
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2593
- /usr/bin/free
  free -m
  2⤵
  PID:2597
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2598
- /usr/bin/free
  free -m
  2⤵
  PID:2599
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2600

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

Time Based Evasion

T1497.003

Credential Access

Discovery

System Network Configuration Discovery

T1016

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Time Based Evasion

T1497.003

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
8.6MB

MD5
4842d5cc29c97aa611fba5ca07b060a5

SHA1
f93772038406f28fa4ca1cfb23349193562414b2

SHA256
9384b9e39334479194aacb53cb25ace289b6afe2e41bdc8619b2d2cae966b948

SHA512
cf1cb3f0291f3e0c3b47ff3ee9074b624e2d9781f9637d14ede0628ebb4b8b0fe13e16583f6a933a3e20872ec084dc812237f021757efe2a6d527a0a1723b5c8

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads