Overview

overview

10

Static

static

3

38a30aee82...13.exe

windows7-x64

10

38a30aee82...13.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    JaffaCakes118_73a8b9c09314a9b07e418584d3f1702ca82a96054227a68abf00cd0488b15d44

  • Size

    194KB

  • Sample

    241223-qrty1s1kas

  • MD5

    d395bddf3f07e8a5c9e2bcf4a513f231

  • SHA1

    d2fc6393f11b7441a7630ba54a74edc8da3a8e9a

  • SHA256

    73a8b9c09314a9b07e418584d3f1702ca82a96054227a68abf00cd0488b15d44

  • SHA512

    a9929fe07ae09c178ffed83a5658f02a4521aab8eebc78afe41cea1d40b90b02f69f3e933d788b2ad3210dbb1b0e267987708dfcb9f55d4c5abde875a9cd082e

  • SSDEEP

    6144:pLcuqP+dIAbxkgStJvCwENs7DOmLPj2JX:Zm76nWFaJX

Score
10/10
tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Targets

    • Target

      38a30aee82cdd8e5338e168d99fdce7b8e032a89da64e48751b2e45f9d50ad13

    • Size

      350KB

    • MD5

      fd449b229977fbbdaf1458a6753ca2f5

    • SHA1

      b854dec813042816a243aa28e0bbabbe5bb84748

    • SHA256

      38a30aee82cdd8e5338e168d99fdce7b8e032a89da64e48751b2e45f9d50ad13

    • SHA512

      6192ce8e0becb960e082f2b5c1be1e01e8af718b6dbf579c12d5110dd1965f1554143efecfa733b80e43d91fd46f7601113a25c31030b21cfca54aad7f378e7b

    • SSDEEP

      6144:UZF8S00N4dKCSi01IthnHYKKTsVB+6qlYUjUTjENs7Da7zRr:Uv8Sxi1jnHYhTsVB+TVo8W6zt

    Score
    10/10
    tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

    • Tofsee

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

      trojantofsee

    • Tofsee family

      tofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistenceexecution

    • 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

    • Executes dropped EXE

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks