Resubmissions

13-08-2023 08:54

230813-kt8x3aaa35 9

13-08-2023 08:48

230813-kqm67aaa28 8

General

  • Target

    Mozi.m

  • Size

    106KB

  • Sample

    230813-kt8x3aaa35

  • MD5

    4dde761681684d7edad4e5e1ffdb940b

  • SHA1

    2327be693bc11a618c380d7d3abc2382d870d48b

  • SHA256

    d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

  • SHA512

    91a61c719128f263f9f95736d55895954cc468c74ff469ee061d35ec382c50b9165e9a5427dc46a835dac6ae0e6e1f9819632475f68b98a907b53196bd4eb02a

  • SSDEEP

    1536:3aQiZDMyqIlMBZ/R0F4E4kcHiNq98wk9njKZjjLuYo68864sNHFEzv7Ld76divkE:KzDMyqIMBZ/R0ufhBmgZy9yNsNmPtcE

Malware Config

Targets

    • Target

      Mozi.m

    • Size

      106KB

    • MD5

      4dde761681684d7edad4e5e1ffdb940b

    • SHA1

      2327be693bc11a618c380d7d3abc2382d870d48b

    • SHA256

      d546509ab6670f9ff31783ed72875dfc0f37fa2b666bd5870eecaaed2ebea4a8

    • SHA512

      91a61c719128f263f9f95736d55895954cc468c74ff469ee061d35ec382c50b9165e9a5427dc46a835dac6ae0e6e1f9819632475f68b98a907b53196bd4eb02a

    • SSDEEP

      1536:3aQiZDMyqIlMBZ/R0F4E4kcHiNq98wk9njKZjjLuYo68864sNHFEzv7Ld76divkE:KzDMyqIMBZ/R0ufhBmgZy9yNsNmPtcE

    • Contacts a large (28060) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Patched UPX-packed file

      Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.

    • Changes its process name

    • Modifies Watchdog functionality

      Malware like Mirai modifies the Watchdog to prevent it restarting an infected system.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Enumerates active TCP sockets

      Gets active TCP sockets from /proc virtual filesystem.

    • Modifies init.d

      Adds/modifies system service, likely for persistence.

    • Reads system routing table

      Gets active network interfaces from /proc virtual filesystem.

    • Writes file to system bin folder

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Hijack Execution Flow

1
T1574

Defense Evasion

Impair Defenses

1
T1562

Hijack Execution Flow

1
T1574

Discovery

Network Service Discovery

2
T1046

System Network Connections Discovery

1
T1049

System Network Configuration Discovery

2
T1016

Tasks