b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
149s
max time network
146s
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
04-09-2024 20:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
Size

8.7MB
MD5

8f0cb7af15afe40ed85f35e1b40b8f38
SHA1

525f97d6e7e3cbb611a1cf37e955c0656f4b3c06
SHA256

3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
SHA512

bd9e97b4042d89e081eced5781149b0d8e28a6e9d35c2a449a21aee26765ed8eea560434ba5e9a897c4e4c89d7a2b8997e31ad4ac2202a940b8731a5f447170d
SSDEEP

98304:xFjhn+LznCFajBKs/Q1N4KGWISZOLor5lkFIGGw+Aw:Hjhn+HCS4s41N4KGWISZd5lrGG

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	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

Deletes itself 1 IoCs

pid	Process
2498	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

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/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

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

Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

Reads contents of /sys virtual filesystem to enumerate system information.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/kernel/mm/transparent_hugepage/hpage_pmd_size	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/787/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1864/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1684/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/2288/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/51/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/823/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/2245/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/44/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/8/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/17/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1916/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/2256/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/42/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1072/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/750/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1985/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/65/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/389/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/457/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/2482/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1391/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1392/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1959/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/20/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/274/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1861/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1946/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/17/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1979/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1986/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/2206/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/2135/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/52/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/513/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/773/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/80/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1060/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1986/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/820/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/1117/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1940/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/191/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1923/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/884/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/10/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/27/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/56/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/31/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/36/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/6/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1971/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/2200/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/50/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/196/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/2135/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1802/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1897/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

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	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Enumerates kernel/hardware configuration
- Reads runtime system information
- Writes file to tmp directory
PID:2498
- /usr/bin/uname
  uname -a
  2⤵
  PID:2513
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2514
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2515
- /usr/bin/free
  free -m
  2⤵
  PID:2516
- /usr/bin/uptime
  uptime
  2⤵
  PID:2517
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  PID:2524
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2526
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2527
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2527
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2527
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2527
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2527
- /usr/bin/free
  free -m
  2⤵
  PID:2528
- /usr/bin/uptime
  uptime
  2⤵
  PID:2529
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2530
- /usr/bin/uptime
  uptime
  2⤵
  PID:2531
- /usr/bin/free
  free -m
  2⤵
  PID:2535
- /usr/bin/uptime
  uptime
  2⤵
  PID:2536
- /usr/bin/free
  free -m
  2⤵
  PID:2537
- /usr/bin/uptime
  uptime
  2⤵
  PID:2538
- /usr/bin/free
  free -m
  2⤵
  PID:2539
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2540
- /usr/bin/free
  free -m
  2⤵
  PID:2541
- /usr/bin/uptime
  uptime
  2⤵
  PID:2542
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2543
- /usr/bin/uptime
  uptime
  2⤵
  PID:2544
- /usr/bin/free
  free -m
  2⤵
  PID:2545
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2546
- /usr/bin/free
  free -m
  2⤵
  PID:2547
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2548
- /usr/bin/free
  free -m
  2⤵
  PID:2549
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2550
- /usr/bin/free
  free -m
  2⤵
  PID:2551
- /usr/bin/uptime
  uptime
  2⤵
  PID:2552
- /usr/bin/free
  free -m
  2⤵
  PID:2568
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2569
- /usr/bin/free
  free -m
  2⤵
  PID:2573
- /usr/bin/uptime
  uptime
  2⤵
  PID:2574
- /usr/bin/free
  free -m
  2⤵
  PID:2575
- /usr/bin/uptime
  uptime
  2⤵
  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

Credential Access

Discovery

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

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
8f0cb7af15afe40ed85f35e1b40b8f38

SHA1
525f97d6e7e3cbb611a1cf37e955c0656f4b3c06

SHA256
3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

SHA512
bd9e97b4042d89e081eced5781149b0d8e28a6e9d35c2a449a21aee26765ed8eea560434ba5e9a897c4e4c89d7a2b8997e31ad4ac2202a940b8731a5f447170d

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads