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/30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
Size

8.6MB
MD5

819b0fdb2b9c8a440b734a7b72522f12
SHA1

f3aff7e1c44d21508eb60797211570c84a53597a
SHA256

30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
SHA512

fee2c0dbbc91e2486e409e8b6a877c6ec500e6c7c0491d4c44d37006c30de79b95dd4640c7c8c8efcc920abccbdb659a590fde1e2526126279b7486778d08b5a
SSDEEP

98304:zhPTaS9ki2kJxOU/ci9Z6uHFg3+QIEvRihdF7Xk:dPTaS9kitnEi9Z6uHq3+XE8z

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	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

Deletes itself 1 IoCs

pid	Process
2460	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

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/30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

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

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/275/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/46/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/588/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1756/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/9/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1821/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/11/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/10/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1123/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/26/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/18/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/65/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/80/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/7/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/14/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1899/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/46/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1764/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/54/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/442/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2459/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/20/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2456/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2090/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/196/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2170/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/34/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1957/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1843/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/193/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/35/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/47/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/1930/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1046/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1888/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/40/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1644/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/21/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/22/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2456/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1900/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2048/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/27/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/51/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/193/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1915/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1954/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/sys/kernel/cap_last_cap	journalctl
File opened for reading	/proc/1092/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2154/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1397/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/29/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/4/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/191/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2079/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2177/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/35/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/386/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1744/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

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	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:2460
- /usr/bin/uname
  uname -a
  2⤵
  PID:2472
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2475
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2478
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2479
- /usr/bin/uptime
  uptime
  2⤵
  PID:2480
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  - Reads runtime system information
  PID:2481
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2483
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2484
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2484
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2484
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2484
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2484
- /usr/bin/free
  free -m
  2⤵
  PID:2485
- /usr/bin/uptime
  uptime
  2⤵
  PID:2486
- /usr/bin/free
  free -m
  2⤵
  PID:2487
- /usr/bin/uptime
  uptime
  2⤵
  PID:2488
- /usr/bin/free
  free -m
  2⤵
  PID:2492
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2493
- /usr/bin/free
  free -m
  2⤵
  PID:2494
- /usr/bin/uptime
  uptime
  2⤵
  PID:2495
- /usr/bin/free
  free -m
  2⤵
  PID:2496
- /usr/bin/uptime
  uptime
  2⤵
  PID:2497
- /usr/bin/free
  free -m
  2⤵
  PID:2498
- /usr/bin/uptime
  uptime
  2⤵
  PID:2499
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2500
- /usr/bin/uptime
  uptime
  2⤵
  PID:2501
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2502
- /usr/bin/uptime
  uptime
  2⤵
  PID:2503
- /usr/bin/free
  free -m
  2⤵
  PID:2504
- /usr/bin/uptime
  uptime
  2⤵
  PID:2505
- /usr/bin/free
  free -m
  2⤵
  PID:2506
- /usr/bin/uptime
  uptime
  2⤵
  PID:2507
- /usr/bin/free
  free -m
  2⤵
  PID:2508
- /usr/bin/uptime
  uptime
  2⤵
  PID:2509
- /usr/bin/free
  free -m
  2⤵
  PID:2524
- /usr/bin/uptime
  uptime
  2⤵
  PID:2525
- /usr/bin/free
  free -m
  2⤵
  PID:2529
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2530
- /usr/bin/free
  free -m
  2⤵
  PID:2531
- /usr/bin/uptime
  uptime
  2⤵
  PID:2532

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

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
8.6MB

MD5
819b0fdb2b9c8a440b734a7b72522f12

SHA1
f3aff7e1c44d21508eb60797211570c84a53597a

SHA256
30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

SHA512
fee2c0dbbc91e2486e409e8b6a877c6ec500e6c7c0491d4c44d37006c30de79b95dd4640c7c8c8efcc920abccbdb659a590fde1e2526126279b7486778d08b5a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads