Overview

overview

10

Static

static

5c9432e3f3...46.exe

windows7_x64

10

5c9432e3f3...46.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    5c9432e3f389b63a63d2aa8eed0e91350b86370539542f5a9f572395eabef946

  • Size

    10.5MB

  • Sample

    220606-cc6sdadfa6

  • MD5

    222c77202aaadbae9167f125d5235c93

  • SHA1

    bdaa4533ebd52e7c4936cc2612ae9cc850ccdd6c

  • SHA256

    5c9432e3f389b63a63d2aa8eed0e91350b86370539542f5a9f572395eabef946

  • SHA512

    834691c22d611de565c4b147728f74d7cc24b623c5bdda53f43e6fc129cce765a43cfb31982618e5fb341e676adf2eb816192b1fcb26a1cd00399429db46bbbe

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      5c9432e3f389b63a63d2aa8eed0e91350b86370539542f5a9f572395eabef946

    • Size

      10.5MB

    • MD5

      222c77202aaadbae9167f125d5235c93

    • SHA1

      bdaa4533ebd52e7c4936cc2612ae9cc850ccdd6c

    • SHA256

      5c9432e3f389b63a63d2aa8eed0e91350b86370539542f5a9f572395eabef946

    • SHA512

      834691c22d611de565c4b147728f74d7cc24b623c5bdda53f43e6fc129cce765a43cfb31982618e5fb341e676adf2eb816192b1fcb26a1cd00399429db46bbbe

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

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

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • 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

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks