Overview

overview

10

Static

static

3

555a84e13b...18.exe

windows7-x64

10

555a84e13b...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    555a84e13bf2fc3192ed64aa2fe51316_JaffaCakes118

  • Size

    11.4MB

  • Sample

    240717-3z6c8syfrc

  • MD5

    555a84e13bf2fc3192ed64aa2fe51316

  • SHA1

    d3edbb5d9ab41f575430e7f6e6bad604bce847d0

  • SHA256

    0f9ab2429ef2e90dc55a1b537175c2e5c4be200de90cec04e5c66c68513b3d5a

  • SHA512

    514ab8a31137bc584a9183d750db08e69befcf9aac2ac74c72444e2650d3eb3618f127c24039a6a40d16c4af94ee1052974736481ecdd0df75d92be3d115b1e3

  • SSDEEP

    6144:pxU32BT0jz22222222222222222222222222222222222222222222222222222/:bUmK

Score
10/10
tofseeevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      555a84e13bf2fc3192ed64aa2fe51316_JaffaCakes118

    • Size

      11.4MB

    • MD5

      555a84e13bf2fc3192ed64aa2fe51316

    • SHA1

      d3edbb5d9ab41f575430e7f6e6bad604bce847d0

    • SHA256

      0f9ab2429ef2e90dc55a1b537175c2e5c4be200de90cec04e5c66c68513b3d5a

    • SHA512

      514ab8a31137bc584a9183d750db08e69befcf9aac2ac74c72444e2650d3eb3618f127c24039a6a40d16c4af94ee1052974736481ecdd0df75d92be3d115b1e3

    • SSDEEP

      6144:pxU32BT0jz22222222222222222222222222222222222222222222222222222/:bUmK

    Score
    10/10
    tofseeevasionexecutionpersistenceprivilege_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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks