b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
149s
max time network
149s
platform
ubuntu-24.04_amd64
resource
ubuntu2404-amd64-20240523-en
resource tags

arch:amd64arch:i386image:ubuntu2404-amd64-20240523-enkernel:6.8.0-31-genericlocale:en-usos:ubuntu-24.04-amd64system
submitted
18-01-2025 04:28

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General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
Size

8.7MB
MD5

682ac123d740321e6ba04d82e8cc4ed8
SHA1

088a8c8c2b7f9db92ec0ae39e1dc77c8707d3895
SHA256

453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
SHA512

26ddc0a1b91337de2314465f82f3a02ec478f32708fa91b7cdf75fc235eda7b3cf7c495616145dc29fc081ac4398cab5aac0d42978ea694fa183518533fcf4ad
SSDEEP

98304:i7ihKiuH4QpmHh/vN0SyDbQy5lZGJJRgOX5f4y+n47Xk:i7ihKiuH4QIha1PQaZGTRgOXxR

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	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

Deletes itself 1 IoCs

pid	Process
2502	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

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/453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

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
2576	uptime
2546	uptime
2574	uptime
2528	uptime
2530	uptime
2544	uptime
2548	uptime
2550	uptime
2552	uptime
2569	uptime
2522	uptime
2538	uptime
2540	uptime
2542	uptime
2536	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/2222/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/821/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1125/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/129/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/274/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/389/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1701/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/27/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2421/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/785/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1391/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2198/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1249/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/432/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1117/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1920/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/1870/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1791/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/42/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2242/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2302/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/36/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/49/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1843/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/filesystems	journalctl
File opened for reading	/proc/819/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/9/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/55/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/9/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/1968/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2282/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/31/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/46/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1114/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1890/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2150/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1964/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/505/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/123/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1949/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1941/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2498/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2531/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2009/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/29/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/17/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2140/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/194/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/24/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1083/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1699/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/181/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1074/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1783/cmdline	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1699/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1984/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/2094/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
File opened for reading	/proc/1114/stat	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

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
2526	gzip
2526	gzip
2526	gzip
2526	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	453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:2502
- /usr/bin/uname
  uname -a
  2⤵
  PID:2517
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2519
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2520
- /usr/bin/free
  free -m
  2⤵
  PID:2521
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2522
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  - Reads runtime system information
  PID:2523
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2525
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2526
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/bin/free
  free -m
  2⤵
  PID:2527
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2528
- /usr/bin/free
  free -m
  2⤵
  PID:2529
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2530
- /usr/bin/free
  free -m
  2⤵
  PID:2535
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2536
- /usr/bin/free
  free -m
  2⤵
  PID:2537
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2538
- /usr/bin/free
  free -m
  2⤵
  PID:2539
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2540
- /usr/bin/free
  free -m
  2⤵
  PID:2541
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2542
- /usr/bin/free
  free -m
  2⤵
  PID:2543
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  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/free
  free -m
  2⤵
  PID:2547
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2548
- /usr/bin/free
  free -m
  2⤵
  PID:2549
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2550
- /usr/bin/free
  free -m
  2⤵
  PID:2551
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2552
- /usr/bin/free
  free -m
  2⤵
  PID:2568
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2569
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2573
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2574
- /usr/bin/free
  free -m
  2⤵
  PID:2575
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2576

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
8.7MB

MD5
682ac123d740321e6ba04d82e8cc4ed8

SHA1
088a8c8c2b7f9db92ec0ae39e1dc77c8707d3895

SHA256
453468b86856665f2cc0e0e71668c0b6aac8b14326c623995ba5963f22257619

SHA512
26ddc0a1b91337de2314465f82f3a02ec478f32708fa91b7cdf75fc235eda7b3cf7c495616145dc29fc081ac4398cab5aac0d42978ea694fa183518533fcf4ad

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads