General

  • Target

    770ad0a1aed7298166f4f22150a64fe1af49703506002bb16bb5eb8fb5b9d980

  • Size

    260KB

  • Sample

    221028-1bbslsfhh9

  • MD5

    32a0c50370e88cd274964acd32d2b201

  • SHA1

    9fe6f92ba1cb6289eb280b7e21e7c0f985b6666a

  • SHA256

    770ad0a1aed7298166f4f22150a64fe1af49703506002bb16bb5eb8fb5b9d980

  • SHA512

    36bd13d425361bc8f83d384bafbc0d225d57bfd24d31705ac6e8b08c3fd2f111241a834eaf07b16bc5f9b3c7b395e00fc5fb164033341ee1439daae55e239cd9

  • SSDEEP

    3072:3jMvBpGl8HLnr7BWz5KBqz7umHSZFLNTevQUwIse9U6BPLR7BxM/h3:4vBE+HLr7lqf7WRevaGLPLRNx

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      770ad0a1aed7298166f4f22150a64fe1af49703506002bb16bb5eb8fb5b9d980

    • Size

      260KB

    • MD5

      32a0c50370e88cd274964acd32d2b201

    • SHA1

      9fe6f92ba1cb6289eb280b7e21e7c0f985b6666a

    • SHA256

      770ad0a1aed7298166f4f22150a64fe1af49703506002bb16bb5eb8fb5b9d980

    • SHA512

      36bd13d425361bc8f83d384bafbc0d225d57bfd24d31705ac6e8b08c3fd2f111241a834eaf07b16bc5f9b3c7b395e00fc5fb164033341ee1439daae55e239cd9

    • SSDEEP

      3072:3jMvBpGl8HLnr7BWz5KBqz7umHSZFLNTevQUwIse9U6BPLR7BxM/h3:4vBE+HLr7lqf7WRevaGLPLRNx

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Creates new service(s)

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Deletes itself

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks