0a1b826e946573e2bf3f521a6b47cfd4c858efd1c1df6b7e6d7790b2b5530acd | Triage

Sharing

General

Target

d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8
Size

103KB
Sample

230203-ml9whahg6z
MD5

b6fd38f4542fe228d77b80f4a62e6758
SHA1

c109f4e32b9737ad32b1c7916ffed8dbe91b24c8
SHA256

0a1b826e946573e2bf3f521a6b47cfd4c858efd1c1df6b7e6d7790b2b5530acd
SHA512

5709210fd61f5f05895415ad3da82c91e8f943abab29a09d0a4c85258afe1581ea8c1b4c895b47e42ec75cfb0f7724887bd3cb6f7e94eeb9813d513fcf2d069e
SSDEEP

1536:7mxh3aoVOFd4zRmMSFMMSk3jdNiTieuLBBybfqx3sknMv0Hcsi2h2I1j9EL9umSx:O3aoC69mNSkx+iBm5v0HHR2I1jKUmM

Score

9^/10

discovery persistence

Malware Config

Targets

- Target
  
  d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8
- Size
  
  106KB
- MD5
  
  4dde761681684d7edad4e5e1ffdb940b
- SHA1
  
  2327be693bc11a618c380d7d3abc2382d870d48b
- SHA256
  
  d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8
- SHA512
  
  91a61c719128f263f9f95736d55895954cc468c74ff469ee061d35ec382c50b9165e9a5427dc46a835dac6ae0e6e1f9819632475f68b98a907b53196bd4eb02a
- SSDEEP
  
  1536:3aQiZDMyqIlMBZ/R0F4E4kcHiNq98wk9njKZjjLuYo68864sNHFEzv7Ld76divkE:KzDMyqIMBZ/R0ufhBmgZy9yNsNmPtcE
Score

9^/10

discovery persistence
- Contacts a large (2637) amount of remote hosts
  This may indicate a network scan to discover remotely running services.
  discovery
- Modifies the Watchdog daemon
  Malware like Mirai modify the Watchdog to prevent it restarting an infected system.
- Writes file to system bin folder
- Modifies hosts file
  Adds to hosts file used for mapping hosts to IP addresses.
- Writes DNS configuration
  Writes data to DNS resolver config file.
- Enumerates active TCP sockets
  Gets active TCP sockets from /proc virtual filesystem.
- Modifies init.d
  Adds/modifies system service, likely for persistence.
  persistence
- Reads system network configuration
  Uses contents of /proc filesystem to enumerate network settings.
- Writes file to tmp directory
  Malware often drops required files in the /tmp directory.
behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hijack Execution Flow

Boot or Logon Autostart Execution

Privilege Escalation

Hijack Execution Flow

Boot or Logon Autostart Execution

Defense Evasion

Impair Defenses

Hijack Execution Flow

Credential Access

Discovery

Network Service Scanning

System Network Connections Discovery

System Network Configuration Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Dynamic Resolution

Impact

Tasks

static1

behavioral1

discoverypersistence