b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Resubmissions

22-10-2024 02:07

241022-cka1nssfkj 10

Analysis

max time kernel
149s
max time network
156s
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

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

The-MALWARE-Repo-master/Botnets/FritzFrog/2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
Size

8.7MB
MD5

3a371a09bfcba3d545465339f1e1d481
SHA1

7f5712878929aab6a2ab297072a5a5f3d3c15a01
SHA256

2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
SHA512

35efc5129316ea697f1f4591c37e70c74b643942cdb3cb1aac6a0f14f5d133da39c0c393439490bc059361e9feeacee3d4056f88700f56dfe1088ba0ab22613b
SSDEEP

98304:f/VrKprvLVtb8E0dD71puy219CZ2gT3/3Khbw+Aw:3VrKpjROndH1puy219CZBShb

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	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

Deletes itself 1 IoCs

pid	Process
2528	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

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/2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

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
2552	uptime
2563	uptime
2558	uptime
2581	uptime
2588	uptime
2541	uptime
2543	uptime
2548	uptime
2565	uptime
2586	uptime
2535	uptime
2550	uptime
2554	uptime
2556	uptime
2561	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

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	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

Reads runtime system information 64 IoCs

Reads data from /proc virtual filesystem.

discovery

description	ioc	Process
File opened for reading	/proc/31/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2021/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1713/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1118/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/195/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2436/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/26/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/198/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/4/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/52/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/133/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/15/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1795/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/199/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2326/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1991/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/190/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/28/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/499/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/32/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/80/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/12/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/6/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/2291/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1052/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/786/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/63/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/893/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/9/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/419/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/47/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2291/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/133/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/23/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2304/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1994/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/189/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/588/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/24/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1395/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2525/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/1394/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1857/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/197/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/54/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/192/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/274/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/592/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/124/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2159/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/19/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/513/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/191/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2167/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/53/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2224/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/63/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

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
2539	gzip
2539	gzip
2539	gzip
2539	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	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
/tmp/The-MALWARE-Repo-master/Botnets/FritzFrog/2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
1⤵
- Adds new SSH keys
- Deletes itself
- Deletes log files
- Enumerates kernel/hardware configuration
- Reads runtime system information
- Writes file to tmp directory
PID:2516
- /usr/bin/uname
  uname -a
  2⤵
  PID:2531
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2532
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2533
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2534
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2535
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  PID:2536
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2538
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2539
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2539
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2539
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2539
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  - System Network Configuration Discovery
  PID:2539
- /usr/bin/free
  free -m
  2⤵
  PID:2540
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2541
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2542
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2543
- /usr/bin/free
  free -m
  2⤵
  PID:2547
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2548
- /usr/bin/free
  free -m
  2⤵
  PID:2549
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2550
- /usr/bin/free
  free -m
  2⤵
  PID:2551
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2552
- /usr/bin/free
  free -m
  2⤵
  PID:2553
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2554
- /usr/bin/free
  free -m
  2⤵
  PID:2555
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2556
- /usr/bin/free
  free -m
  2⤵
  PID:2557
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2558
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2560
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2561
- /usr/bin/free
  free -m
  2⤵
  PID:2562
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2563
- /usr/bin/free
  free -m
  2⤵
  PID:2564
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2565
- /usr/bin/free
  free -m
  2⤵
  PID:2580
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2581
- /usr/bin/free
  free -m
  2⤵
  PID:2585
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  PID:2586
- /usr/bin/free
  free -m
  2⤵
  PID:2587
- /usr/bin/uptime
  uptime
  2⤵
  - Virtualization/Sandbox Evasion: Time Based Evasion
  - Reads runtime system information
  PID:2588

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 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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
8.7MB

MD5
3a371a09bfcba3d545465339f1e1d481

SHA1
7f5712878929aab6a2ab297072a5a5f3d3c15a01

SHA256
2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

SHA512
35efc5129316ea697f1f4591c37e70c74b643942cdb3cb1aac6a0f14f5d133da39c0c393439490bc059361e9feeacee3d4056f88700f56dfe1088ba0ab22613b

Download Submit

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads