Overview

overview

10

Static

static

295f2e7a08...11.exe

windows7_x64

10

295f2e7a08...11.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    295f2e7a08269def791aa11bfafa9d73e36ac9fa6dd292f2b62b1bcf8758aa11

  • Size

    342KB

  • Sample

    220615-rzhfmaeab5

  • MD5

    9b2b3970effdd49a3194b83a272b29bd

  • SHA1

    9c141b488d126a2e7f25b541d14307acec0e6262

  • SHA256

    295f2e7a08269def791aa11bfafa9d73e36ac9fa6dd292f2b62b1bcf8758aa11

  • SHA512

    005dc7ff7bedbb07add0f048690dae179f17421e20ec9f3f63c5f54c65966752a9e46dc062ecbdbcbca7dd92591ac70822eb21c595ef453752ef878cf15a8d7c

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      295f2e7a08269def791aa11bfafa9d73e36ac9fa6dd292f2b62b1bcf8758aa11

    • Size

      342KB

    • MD5

      9b2b3970effdd49a3194b83a272b29bd

    • SHA1

      9c141b488d126a2e7f25b541d14307acec0e6262

    • SHA256

      295f2e7a08269def791aa11bfafa9d73e36ac9fa6dd292f2b62b1bcf8758aa11

    • SHA512

      005dc7ff7bedbb07add0f048690dae179f17421e20ec9f3f63c5f54c65966752a9e46dc062ecbdbcbca7dd92591ac70822eb21c595ef453752ef878cf15a8d7c

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Checks computer location settings

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

    • Deletes itself

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks