Overview

overview

10

Static

static

3

f3f2db53df...18.exe

windows7-x64

10

f3f2db53df...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3f2db53df6a8bfacad1f9505974507b_JaffaCakes118

  • Size

    13.8MB

  • Sample

    240416-vsye2sfg65

  • MD5

    f3f2db53df6a8bfacad1f9505974507b

  • SHA1

    af188ac402c82241975cb6ff17faf8314fd6c80d

  • SHA256

    610cb49791e670b6896af06ee549ee7aa56979e10e0b353044949ccb3ad42c7e

  • SHA512

    a1ec956694c021bb4a89c1b0543e52462461e2ffcc70f04ea29a3f4c509784e65997602835df1867905e2cc466c1f8bd8d7755abee8d3a33ce02ab40a38426e4

  • SSDEEP

    49152:cjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn:W

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f3f2db53df6a8bfacad1f9505974507b_JaffaCakes118

    • Size

      13.8MB

    • MD5

      f3f2db53df6a8bfacad1f9505974507b

    • SHA1

      af188ac402c82241975cb6ff17faf8314fd6c80d

    • SHA256

      610cb49791e670b6896af06ee549ee7aa56979e10e0b353044949ccb3ad42c7e

    • SHA512

      a1ec956694c021bb4a89c1b0543e52462461e2ffcc70f04ea29a3f4c509784e65997602835df1867905e2cc466c1f8bd8d7755abee8d3a33ce02ab40a38426e4

    • SSDEEP

      49152:cjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrn:W

    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

    • 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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
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

2
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