Overview

overview

10

Static

static

3

f75321be65...18.exe

windows7-x64

10

f75321be65...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f75321be65ccd1fb27f978e8ec360738_JaffaCakes118

  • Size

    14.7MB

  • Sample

    240418-frx1kadc3w

  • MD5

    f75321be65ccd1fb27f978e8ec360738

  • SHA1

    60cefa28535cc8f77cc1b8e6aaf03ba6762f5e38

  • SHA256

    d9cc026783b0511da70d785bbd3093e11bb0927115bc7409d25b1c9ae3d1e7e1

  • SHA512

    81e650c4e50195dadec6f1bde08c4296cf1938fbe7563bd5598f824558e047dcc0030c0e9d99ec89ea41c4905c309254e8717c4e910470afd4d95a7bd6e5ff22

  • SSDEEP

    12288:GRXQK44fy611111111111111111111111111111111111111111111111111111H:GRx2

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f75321be65ccd1fb27f978e8ec360738_JaffaCakes118

    • Size

      14.7MB

    • MD5

      f75321be65ccd1fb27f978e8ec360738

    • SHA1

      60cefa28535cc8f77cc1b8e6aaf03ba6762f5e38

    • SHA256

      d9cc026783b0511da70d785bbd3093e11bb0927115bc7409d25b1c9ae3d1e7e1

    • SHA512

      81e650c4e50195dadec6f1bde08c4296cf1938fbe7563bd5598f824558e047dcc0030c0e9d99ec89ea41c4905c309254e8717c4e910470afd4d95a7bd6e5ff22

    • SSDEEP

      12288:GRXQK44fy611111111111111111111111111111111111111111111111111111H:GRx2

    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

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks