b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
149s
max time network
146s
platform
ubuntu-20.04_amd64
resource
ubuntu2004-amd64-20240508-en
resource tags

arch:amd64arch:i386image:ubuntu2004-amd64-20240508-enkernel:5.4.0-169-genericlocale:en-usos:ubuntu-20.04-amd64system
submitted
18-01-2025 04:28

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General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
Size

8.7MB
MD5

8f0cb7af15afe40ed85f35e1b40b8f38
SHA1

525f97d6e7e3cbb611a1cf37e955c0656f4b3c06
SHA256

3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
SHA512

bd9e97b4042d89e081eced5781149b0d8e28a6e9d35c2a449a21aee26765ed8eea560434ba5e9a897c4e4c89d7a2b8997e31ad4ac2202a940b8731a5f447170d
SSDEEP

98304:xFjhn+LznCFajBKs/Q1N4KGWISZOLor5lkFIGGw+Aw:Hjhn+HCS4s41N4KGWISZd5lrGG

Score

8^/10

antivm defense_evasion discovery infostealer 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	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

Deletes itself 1 IoCs

pid	Process
1449	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

Reads EFI boot settings 1 TTPs 1 IoCs

Reads EFI boot settings from the efivars filesystem, may contain security secrets or sensitive data.

infostealer

Bootkit

T1542.003

description	ioc	Process
File opened for reading	/sys/firmware/efi/efivars/SystemdOptions-8cf2644b-4b0b-428f-9387-6d876050dc67	journalctl

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/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

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
1511	uptime
1468	uptime
1505	uptime
1493	uptime
1501	uptime
1503	uptime
1509	uptime
1516	uptime
1463	uptime
1489	uptime
1470	uptime
1507	uptime
1518	uptime
1491	uptime
1514	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 CPU attributes 1 TTPs 30 IoCs

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free
File opened for reading	/sys/devices/system/cpu/online	uptime
File opened for reading	/sys/devices/system/cpu/online	free

Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

Reads contents of /sys virtual filesystem to enumerate system information.

discovery

System Information Discovery

T1082

description	ioc	Process
File opened for reading	/sys/kernel/mm/transparent_hugepage/hpage_pmd_size	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/972/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	uptime
File opened for reading	/proc/1106/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1349/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1445/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/82/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/1127/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/85/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/12/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/73/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/177/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/457/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/893/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	free
File opened for reading	/proc/526/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/79/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/22/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/959/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	uptime
File opened for reading	/proc/480/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/580/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/639/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/174/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/396/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/self/auxv	uptime
File opened for reading	/proc/694/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/91/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/2/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/809/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/828/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/996/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/168/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/self/auxv	uptime
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/1090/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/163/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/19/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	free
File opened for reading	/proc/118/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/242/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/19/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/694/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/953/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/394/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/674/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	free
File opened for reading	/proc/583/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/591/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	journalctl
File opened for reading	/proc/9/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1120/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	uptime
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/458/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/801/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1074/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/sys/kernel/osrelease	uptime
File opened for reading	/proc/443/cmdline	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/1358/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
File opened for reading	/proc/442/stat	3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5

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
1466	gzip
1466	gzip
1466	gzip
1466	gzip

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/3205603282a636979a55aa1e1be518cd3adcbbe491745d996ceb4b5a4dece0c5
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Enumerates kernel/hardware configuration
- Reads runtime system information
PID:1445
- /usr/bin/uname
  uname -a
  2⤵
  PID:1456
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:1460
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:1461
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1462
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1463
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  - Reads EFI boot settings
  - Reads runtime system information
  PID:1464
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:1465
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:1466
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:1466
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:1466
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:1466
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:1466
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1467
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  PID:1468
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  - Reads runtime system information
  PID:1469
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1470
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1488
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1489
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1490
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  PID:1491
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1492
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1493
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1500
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1501
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1502
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1503
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1504
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1505
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1506
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  PID:1507
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1508
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  PID:1509
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1510
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1511
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1513
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1514
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1515
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  PID:1516
- /usr/bin/free
  free -m
  2⤵
  - Reads CPU attributes
  PID:1517
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads CPU attributes
  - Reads runtime system information
  PID:1518

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Account Manipulation

T1098

SSH Authorized Keys

T1098.004

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Account Manipulation

T1098

SSH Authorized Keys

T1098.004

Defense Evasion

Indicator Removal

T1070

Clear Linux or Mac System Logs

T1070.002

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

System Checks

T1497.001

Time Based Evasion

T1497.003

Credential Access

Discovery

System Information Discovery

T1082

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

/root/.ssh/authorized_keys

Filesize
381B

MD5
9da18d38b6dd4c4aa84642378d63fa89

SHA1
c5a976691e4b5963b5e760044f22cc9685268db6

SHA256
43062900b2539d8d1f67f30fa7042c56b53541f63875b5f0de5d8fbde0e0a8bf

SHA512
222b20b5b2ff8956c13dbac1f8d3f81435613b751913d65f4c4082ea9c1a7c8ae91be17a24ef4ae0c708bfe09daab552bb209615714d70acfaaed89c536c71b3

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads