b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
149s
max time network
147s
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
18-07-2024 21:48

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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 persistence

Malware Config

Signatures

Adds new SSH keys 1 IoCs

Linux special file to hold SSH keys. The threat actor may add new keys for further remote access.

persistence

description	ioc	Process
File opened for modification	/root/.ssh/authorized_keys	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

Deletes itself 1 IoCs

pid	Process
2488	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

Deletes log files 1 TTPs 1 IoCs

Deletes log files on the system.

Indicator Removal

T1070

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

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
File opened for reading	/proc/cpuinfo	cat

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

description	ioc	Process
File opened for reading	/proc/123/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1395/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/201/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2407/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/2478/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2499/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/10/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/190/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1082/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/43/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/29/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/541/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/815/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/11/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/27/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/815/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/2243/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1337/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1686/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/38/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/197/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/764/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/80/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/202/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/357/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/1903/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1821/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1908/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1985/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2115/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2177/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2222/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/43/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1983/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/41/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1844/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/sys/net/core/somaxconn	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2097/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/357/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/198/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2121/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/5/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1753/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1975/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/202/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/33/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/193/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2534/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/1060/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2479/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2316/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/47/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/55/stat	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/156/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/2180/cmdline	30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01
File opened for reading	/proc/23/cmdline	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:2488
- /usr/bin/uname
  uname -a
  2⤵
  PID:2504
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2505
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2506
- /usr/bin/free
  free -m
  2⤵
  PID:2507
- /usr/bin/uptime
  uptime
  2⤵
  PID:2508
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  PID:2509
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2511
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2512
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2512
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2512
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2512
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2512
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2513
- /usr/bin/uptime
  uptime
  2⤵
  PID:2514
- /usr/bin/free
  free -m
  2⤵
  PID:2515
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2516
- /usr/bin/free
  free -m
  2⤵
  PID:2520
- /usr/bin/uptime
  uptime
  2⤵
  PID:2521
- /usr/bin/free
  free -m
  2⤵
  PID:2522
- /usr/bin/uptime
  uptime
  2⤵
  PID:2523
- /usr/bin/free
  free -m
  2⤵
  PID:2524
- /usr/bin/uptime
  uptime
  2⤵
  PID:2525
- /usr/bin/free
  free -m
  2⤵
  PID:2526
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  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⤵
  - Reads runtime system information
  PID:2531
- /usr/bin/free
  free -m
  2⤵
  PID:2532
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2533
- /usr/bin/free
  free -m
  2⤵
  PID:2535
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2536
- /usr/bin/free
  free -m
  2⤵
  PID:2537
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2538
- /usr/bin/free
  free -m
  2⤵
  PID:2555
- /usr/bin/uptime
  uptime
  2⤵
  PID:2556
- /usr/bin/free
  free -m
  2⤵
  PID:2560
- /usr/bin/uptime
  uptime
  2⤵
  PID:2561
- /usr/bin/free
  free -m
  2⤵
  PID:2562
- /usr/bin/uptime
  uptime
  2⤵
  PID:2563

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indicator Removal

T1070

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
8.6MB

MD5
819b0fdb2b9c8a440b734a7b72522f12

SHA1
f3aff7e1c44d21508eb60797211570c84a53597a

SHA256
30c150419000d27dafcd5d00702411b2b23b0f5d7e4d0cc729a7d63b2e460a01

SHA512
fee2c0dbbc91e2486e409e8b6a877c6ec500e6c7c0491d4c44d37006c30de79b95dd4640c7c8c8efcc920abccbdb659a590fde1e2526126279b7486778d08b5a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads