Overview

overview

10

Static

static

3

6a05a5da80...18.exe

windows7-x64

10

6a05a5da80...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    6a05a5da802f453957669ef5435c969f_JaffaCakes118

  • Size

    13.1MB

  • Sample

    240724-dktcpaxhld

  • MD5

    6a05a5da802f453957669ef5435c969f

  • SHA1

    3eafa3328c9ff522386a0dfba196f1fb1d4f2e5c

  • SHA256

    ff63e0e9c87d9151822cede77df12c3d037dbfd39865437c7e7e23e33a15f5bc

  • SHA512

    9a2f0d83904497b0a54ae59db074969b2225edf406faee0cec562523c74cd9d8fe19acbe40c3e84604a0d8e6436802f4d332962834110d382164bab47fff7b46

  • SSDEEP

    393216:E55555555555555555555555555555555555555555555555555555555555555H:

Score
10/10
tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      6a05a5da802f453957669ef5435c969f_JaffaCakes118

    • Size

      13.1MB

    • MD5

      6a05a5da802f453957669ef5435c969f

    • SHA1

      3eafa3328c9ff522386a0dfba196f1fb1d4f2e5c

    • SHA256

      ff63e0e9c87d9151822cede77df12c3d037dbfd39865437c7e7e23e33a15f5bc

    • SHA512

      9a2f0d83904497b0a54ae59db074969b2225edf406faee0cec562523c74cd9d8fe19acbe40c3e84604a0d8e6436802f4d332962834110d382164bab47fff7b46

    • SSDEEP

      393216:E55555555555555555555555555555555555555555555555555555555555555H:

    Score
    10/10
    tofseediscoveryevasionexecutionpersistenceprivilege_escalationtrojan

    • Tofsee

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

      trojantofsee

    • 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