b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

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Analysis

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

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General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
Size

8.7MB
MD5

d4e533f9c11b5cc9e755d94c1315553a
SHA1

9e15020cd2688b537bae18e5f291ee8cbe9a85e7
SHA256

7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
SHA512

149226355b2e5c3fac403289b5e66bd4164a7aee76d8dc8f1d698c509db7a081bad9d4172cc950bb0e6e6909e0073d551dcde82cbeaaf61a9c1b02c9ba48fb38
SSDEEP

98304:H27or8Dynb9c4EHv9/fW/NQXPvTCaedQuMBiHAUU4C7Xk:H27or8DyO4UnwQfvTCXdQuMoUj

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	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

Deletes itself 1 IoCs

pid	Process
3641	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

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/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

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
3697	uptime
3695	uptime
3707	uptime
3658	uptime
3699	uptime
3705	uptime
3689	uptime
3684	uptime
3691	uptime
3693	uptime
3701	uptime
3703	uptime
3709	uptime
3726	uptime
3664	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/20/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/35/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/182/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3378/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3635/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3151/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3152/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/43/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3141/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/11/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3433/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3378/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3050/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3272/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/1124/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3004/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/1394/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/7/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/42/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/11/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/19/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3135/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/514/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3404/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/850/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/48/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/24/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/39/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/143/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/384/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/1085/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/18/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/54/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/65/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/779/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/3086/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/filesystems	journalctl
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/3374/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/15/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/30/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/6/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/71/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/10/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/418/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/16/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/440/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/200/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/38/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/192/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/194/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/513/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/196/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/2/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/67/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/27/cmdline	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
File opened for reading	/proc/850/stat	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

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
3662	gzip
3662	gzip
3662	gzip
3662	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	7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:3638
- /usr/bin/uname
  uname -a
  2⤵
  PID:3653
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:3655
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:3656
- /usr/bin/free
  free -m
  2⤵
  PID:3657
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:3658
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  - Reads runtime system information
  PID:3659
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:3661
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:3662
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:3662
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:3662
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:3662
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:3662
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:3663
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3664
- /usr/bin/free
  free -m
  2⤵
  PID:3683
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:3684
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:3688
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3689
- /usr/bin/free
  free -m
  2⤵
  PID:3690
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:3691
- /usr/bin/free
  free -m
  2⤵
  PID:3692
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3693
- /usr/bin/free
  free -m
  2⤵
  PID:3694
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3695
- /usr/bin/free
  free -m
  2⤵
  PID:3696
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3697
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:3698
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3699
- /usr/bin/free
  free -m
  2⤵
  PID:3700
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3701
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:3702
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3703
- /usr/bin/free
  free -m
  2⤵
  PID:3704
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3705
- /usr/bin/free
  free -m
  2⤵
  PID:3706
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:3707
- /usr/bin/free
  free -m
  2⤵
  PID:3708
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3709
- /usr/bin/free
  free -m
  2⤵
  PID:3725
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:3726

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

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Downloads

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

Filesize
8.7MB

MD5
d4e533f9c11b5cc9e755d94c1315553a

SHA1
9e15020cd2688b537bae18e5f291ee8cbe9a85e7

SHA256
7745b070943e910e8807e3521ac7b7a01401d131bf6c18a63433f8177ed539a6

SHA512
149226355b2e5c3fac403289b5e66bd4164a7aee76d8dc8f1d698c509db7a081bad9d4172cc950bb0e6e6909e0073d551dcde82cbeaaf61a9c1b02c9ba48fb38

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads