b7dd3bce3ebfbc2d5e3a9f00d47f27cb6a5895c4618c878e314e573a7c216df1

Analysis

max time kernel
149s
max time network
154s
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/2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
Size

8.7MB
MD5

3a371a09bfcba3d545465339f1e1d481
SHA1

7f5712878929aab6a2ab297072a5a5f3d3c15a01
SHA256

2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
SHA512

35efc5129316ea697f1f4591c37e70c74b643942cdb3cb1aac6a0f14f5d133da39c0c393439490bc059361e9feeacee3d4056f88700f56dfe1088ba0ab22613b
SSDEEP

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

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	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

Deletes itself 1 IoCs

pid	Process
2428	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

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/2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

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

Enumerates kernel/hardware configuration 1 TTPs 1 IoCs

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

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.

description	ioc	Process
File opened for reading	/proc/357/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1809/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/432/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1344/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1806/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/49/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/2241/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2424/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/202/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/457/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/47/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1887/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/17/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/7/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1256/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/274/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1902/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1938/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2070/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2183/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/36/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1949/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/123/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/53/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/779/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/201/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/762/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1829/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2462/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/18/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/196/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/42/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/188/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1952/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/585/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/uptime	uptime
File opened for reading	/proc/1855/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/193/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1629/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1125/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/202/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/832/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1850/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/loadavg	uptime
File opened for reading	/proc/1918/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/2138/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/79/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/meminfo	free
File opened for reading	/proc/10/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1121/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/41/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1915/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/1067/cmdline	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/193/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/63/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86
File opened for reading	/proc/825/stat	2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

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:2428
- /usr/bin/uname
  uname -a
  2⤵
  PID:2440
- /usr/bin/cat
  cat /proc/cpuinfo
  2⤵
  - Checks CPU configuration
  PID:2442
- /usr/bin/cat
  cat /etc/issue
  2⤵
  PID:2443
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2446
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2447
- /usr/bin/journalctl
  journalctl -S "@0" -u sshd
  2⤵
  PID:2454
- /usr/bin/cat
  cat "/var/log/auth*"
  2⤵
  PID:2456
- /usr/bin/zcat
  zcat "/var/log/auth*"
  2⤵
  PID:2457
- /usr/local/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2457
- /usr/local/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2457
- /usr/sbin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2457
- /usr/bin/gzip
  gzip -cd "/var/log/auth*"
  2⤵
  PID:2457
- /usr/bin/free
  free -m
  2⤵
  PID:2458
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2459
- /usr/bin/free
  free -m
  2⤵
  PID:2460
- /usr/bin/uptime
  uptime
  2⤵
  PID:2461
- /usr/bin/free
  free -m
  2⤵
  PID:2466
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2467
- /usr/bin/free
  free -m
  2⤵
  PID:2468
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2469
- /usr/bin/free
  free -m
  2⤵
  PID:2470
- /usr/bin/uptime
  uptime
  2⤵
  PID:2471
- /usr/bin/free
  free -m
  2⤵
  PID:2472
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2473
- /usr/bin/free
  free -m
  2⤵
  PID:2474
- /usr/bin/uptime
  uptime
  2⤵
  PID:2475
- /usr/bin/free
  free -m
  2⤵
  PID:2476
- /usr/bin/uptime
  uptime
  2⤵
  PID:2477
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2478
- /usr/bin/uptime
  uptime
  2⤵
  PID:2479
- /usr/bin/free
  free -m
  2⤵
  PID:2480
- /usr/bin/uptime
  uptime
  2⤵
  PID:2481
- /usr/bin/free
  free -m
  2⤵
  PID:2482
- /usr/bin/uptime
  uptime
  2⤵
  PID:2483
- /usr/bin/free
  free -m
  2⤵
  - Reads runtime system information
  PID:2498
- /usr/bin/uptime
  uptime
  2⤵
  PID:2499
- /usr/bin/free
  free -m
  2⤵
  PID:2503
- /usr/bin/uptime
  uptime
  2⤵
  PID:2504
- /usr/bin/free
  free -m
  2⤵
  PID:2505
- /usr/bin/uptime
  uptime
  2⤵
  - Reads runtime system information
  PID:2506

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

System Information Discovery

T1082

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
8.7MB

MD5
3a371a09bfcba3d545465339f1e1d481

SHA1
7f5712878929aab6a2ab297072a5a5f3d3c15a01

SHA256
2378e76aba1ad6e0c937fb39989217bf0de616fdad4726c0f4233bf5414cde86

SHA512
35efc5129316ea697f1f4591c37e70c74b643942cdb3cb1aac6a0f14f5d133da39c0c393439490bc059361e9feeacee3d4056f88700f56dfe1088ba0ab22613b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads