General

  • Target

    amoeqhwt.exe

  • Size

    11.4MB

  • Sample

    240917-mnwrnaydkp

  • MD5

    ae72e9f1f7a1fdf37a9864edd5a1b0d7

  • SHA1

    bd20ac8ebfb5eef418868fb0905a0bcf2aef73c0

  • SHA256

    80179046df92d795c3ab0655f61a3c24387dcb628f00e7b64871c446cdf65cd7

  • SHA512

    db3f33dc248f9aa3cd7ba7cde1a564491f60368043b9832410e73ac17b51d271bb5fb9c4b64819b5537578e9c9ecfe46b6dd438777072814cf238fe635b77294

  • SSDEEP

    12288:GtfqkWH3ZIQqcggggggggggggggggggggggggggggggggggggggggggggggggggI:GY1HpLq

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Targets

    • Target

      amoeqhwt.exe

    • Size

      11.4MB

    • MD5

      ae72e9f1f7a1fdf37a9864edd5a1b0d7

    • SHA1

      bd20ac8ebfb5eef418868fb0905a0bcf2aef73c0

    • SHA256

      80179046df92d795c3ab0655f61a3c24387dcb628f00e7b64871c446cdf65cd7

    • SHA512

      db3f33dc248f9aa3cd7ba7cde1a564491f60368043b9832410e73ac17b51d271bb5fb9c4b64819b5537578e9c9ecfe46b6dd438777072814cf238fe635b77294

    • SSDEEP

      12288:GtfqkWH3ZIQqcggggggggggggggggggggggggggggggggggggggggggggggggggI:GY1HpLq

    • Tofsee

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

    • Windows security bypass

    • Creates new service(s)

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Executes dropped EXE

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks