b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Resubmissions

Analysis

max time kernel
149s
max time network
151s
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
17/02/2025, 22:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
Size

8.7MB
MD5

b2e0eede7b18253dccd0d44ebb5db85a
SHA1

ee5db9590090efd5549e1c17ec1ee956ef1ed3d1
SHA256

7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
SHA512

5608fe7bde5072de7c98bacfe7beb928e6073be87c0fbccd8075c808d9a7c642abe254f6eb620d627f5324e35821fc9b41a31970264abcc472adfbe2c214a9fe
SSDEEP

98304:zbc+G4RTwJg0GTvmF3D4cQ1XmkPF0ihOehaOE3Ok7Xk:zbc+G4RTwJGOzfQYkPGihOekj

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	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd

Deletes itself 1 IoCs

pid	Process
2537	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd

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/7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd

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
2566	uptime
2576	uptime
2605	uptime
2553	uptime
2561	uptime
2582	uptime
2600	uptime
2568	uptime
2574	uptime
2572	uptime
2580	uptime
2607	uptime
2559	uptime
2570	uptime
2578	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/uptime	uptime
File opened for reading	/proc/2540/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/794/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/139/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/54/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/29/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/200/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/54/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1987/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/41/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/47/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/64/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/19/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1959/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2162/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2336/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2587/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1064/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/12/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2009/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/800/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1071/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/44/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2245/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/782/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1057/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1711/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/30/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1995/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/200/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/419/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1729/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1987/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2256/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/193/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/1938/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/64/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2451/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2531/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/760/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/2216/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2272/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1824/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2155/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/30/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/389/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/20/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/46/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/7/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2238/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/760/cmdline	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/11/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/40/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/773/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/2155/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
File opened for reading	/proc/275/stat	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd

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
2557	gzip
2557	gzip
2557	gzip
2557	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	7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:2533
- /usr/bin/uname
  uname -a
  2⤵
  PID:2549
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2550
- /usr/bin/cat
  cat /etc/issue
  2⤵
  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/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  PID:2554
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2556
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2557
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2557
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2557
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2557
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2557
- /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:2565
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  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⤵
  - Reads runtime system information
  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
  - 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
- /usr/bin/free
  free -m
  2⤵
  PID:2577
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2578
- /usr/bin/free
  free -m
  2⤵
  PID:2579
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2580
- /usr/bin/free
  free -m
  2⤵
  PID:2581
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2582
- /usr/bin/free
  free -m
  2⤵
  PID:2599
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2600
- /usr/bin/free
  free -m
  2⤵
  PID:2604
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2605
- /usr/bin/free
  free -m
  2⤵
  PID:2606
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2607

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
b2e0eede7b18253dccd0d44ebb5db85a

SHA1
ee5db9590090efd5549e1c17ec1ee956ef1ed3d1

SHA256
7f18e5b5b7645a80a0d44adf3fecdafcbf937bfe30a4cfb965a1421e034996dd

SHA512
5608fe7bde5072de7c98bacfe7beb928e6073be87c0fbccd8075c808d9a7c642abe254f6eb620d627f5324e35821fc9b41a31970264abcc472adfbe2c214a9fe

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads