b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Resubmissions

22-10-2024 02:07

241022-cka1nssfkj 10

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
22-10-2024 02:07

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General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
Size

8.7MB
MD5

76fe4fdd628218f630ba50f91ceba852
SHA1

6e90f2fe619597115e5b8dd8b0d1fb0c8ad33fa4
SHA256

041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
SHA512

7956505ae0d8479a92ddf97bb09a757566ef526934ee06b4273f0fc450e4da9204808ffa4f4674f4e6e313eb718a7c65f258ef8d23b9769b8aa12d47610d8011
SSDEEP

98304:f27or8Dynb9c4EHv9/fW/NQXPvTCaedHuaJE3fSdCnKg27Xk:f27or8DyO4UnwQfvTCXdHua4No

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	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742

Deletes itself 1 IoCs

pid	Process
2506	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742

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/041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742

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
2530	uptime
2656	uptime
2688	uptime
2528	uptime
2668	uptime
2693	uptime
2666	uptime
2522	uptime
2654	uptime
2660	uptime
2670	uptime
2695	uptime
2658	uptime
2662	uptime
2664	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/1903/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/794/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1918/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/200/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1927/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/2127/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/2259/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/24/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/2290/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1758/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/830/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/9/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1661/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1793/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/600/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/760/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/65/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1673/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/126/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1941/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/45/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/482/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/19/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/432/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/274/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/440/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/792/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/195/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/2501/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/16/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/2502/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/29/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/55/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/44/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1046/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1673/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1683/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/21/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/764/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/792/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/filesystems	journalctl
File opened for reading	/proc/21/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/197/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/36/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/27/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1681/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/47/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1080/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1116/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1795/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/796/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/2501/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/30/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/79/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/35/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1873/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/191/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/1947/cmdline	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/126/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/1927/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
File opened for reading	/proc/2294/stat	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742

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
2526	gzip
2526	gzip
2526	gzip
2526	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	041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Reads runtime system information
- Writes file to tmp directory
PID:2502
- /usr/bin/uname
  uname -a
  2⤵
  PID:2518
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2519
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2520
- /usr/bin/free
  free -m
  2⤵
  PID:2521
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2522
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  - Reads runtime system information
  PID:2523
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2525
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2526
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2526
- /usr/bin/free
  free -m
  2⤵
  PID:2527
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2528
- /usr/bin/free
  free -m
  2⤵
  PID:2529
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2530
- /usr/bin/free
  free -m
  2⤵
  PID:2653
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2654
- /usr/bin/free
  free -m
  2⤵
  PID:2655
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2656
- /usr/bin/free
  free -m
  2⤵
  PID:2657
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2658
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2659
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2660
- /usr/bin/free
  free -m
  2⤵
  PID:2661
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2662
- /usr/bin/free
  free -m
  2⤵
  PID:2663
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2664
- /usr/bin/free
  free -m
  2⤵
  PID:2665
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2666
- /usr/bin/free
  free -m
  2⤵
  PID:2667
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2668
- /usr/bin/free
  free -m
  2⤵
  PID:2669
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2670
- /usr/bin/free
  free -m
  2⤵
  PID:2687
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2688
- /usr/bin/free
  free -m
  2⤵
  PID:2692
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2693
- /usr/bin/free
  free -m
  2⤵
  PID:2694
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2695

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
76fe4fdd628218f630ba50f91ceba852

SHA1
6e90f2fe619597115e5b8dd8b0d1fb0c8ad33fa4

SHA256
041bc20ca8ac3161098cbc976e67e3c0f1b672ad36ecbe22fd21cbd53bcaa742

SHA512
7956505ae0d8479a92ddf97bb09a757566ef526934ee06b4273f0fc450e4da9204808ffa4f4674f4e6e313eb718a7c65f258ef8d23b9769b8aa12d47610d8011

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads