b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Resubmissions

22-10-2024 02:07

241022-cka1nssfkj 10

Analysis

max time kernel
149s
max time network
155s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
Size

8.7MB
MD5

3fe7b88a9ba6c5acee4faae760642b78
SHA1

bae245bc98c516604838c6ce5a233f066de44a50
SHA256

6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
SHA512

02abc8d4fe280306a9ac6a25d28cf174a8d51a43d98b6837bc129701d8c0ab486eebaeef11062b58c455627d4de7c8782b3828aa02891fe439ca1ca617038f95
SSDEEP

98304:g4K0/V2eKEDj+VK61qXXiQqwMwUa/f0OstejSUVv7Xk:g4K0/V2eKM+D4SQbMwX/f0Oskz

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	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

Deletes itself 1 IoCs

pid	Process
2518	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

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/6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

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
2559	uptime
2544	uptime
2551	uptime
2565	uptime
2584	uptime
2538	uptime
2553	uptime
2589	uptime
2546	uptime
2555	uptime
2563	uptime
2567	uptime
2591	uptime
2557	uptime
2561	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/1931/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1064/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/2308/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/45/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/196/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/200/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/63/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2154/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/52/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/7/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/25/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1967/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/2/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2160/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/789/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1713/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/37/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/43/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/2258/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1805/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/30/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/6/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1985/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/201/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/815/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/sys/kernel/cap_last_cap	journalctl
File opened for reading	/proc/181/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1875/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/192/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2003/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/23/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2437/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/31/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2326/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2436/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/20/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2021/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/12/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2258/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/51/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1931/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/181/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1977/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2201/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/35/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/862/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1700/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1124/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/197/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/1979/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2496/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/275/cmdline	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/2515/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/432/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/1121/stat	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

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
2542	gzip
2542	gzip
2542	gzip
2542	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	6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:2518
- /usr/bin/uname
  uname -a
  2⤵
  PID:2532
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2534
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2536
- /usr/bin/free
  free -m
  2⤵
  PID:2537
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2538
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  - Reads runtime system information
  PID:2539
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2541
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2542
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2542
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2542
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2542
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  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:2550
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2551
- /usr/bin/free
  free -m
  2⤵
  PID:2552
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2553
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2554
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2555
- /usr/bin/free
  free -m
  2⤵
  PID:2556
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2557
- /usr/bin/free
  free -m
  2⤵
  PID:2558
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  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:2564
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2565
- /usr/bin/free
  free -m
  2⤵
  PID:2566
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2567
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2583
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2584
- /usr/bin/free
  free -m
  2⤵
  PID:2588
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2589
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2590
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2591

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
8.7MB

MD5
3fe7b88a9ba6c5acee4faae760642b78

SHA1
bae245bc98c516604838c6ce5a233f066de44a50

SHA256
6fe6808b9cfe654f526108ec61cb5211bb6601d28e192cadf06102073b54f69c

SHA512
02abc8d4fe280306a9ac6a25d28cf174a8d51a43d98b6837bc129701d8c0ab486eebaeef11062b58c455627d4de7c8782b3828aa02891fe439ca1ca617038f95

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads