Overview

overview

10

Static

static

3

f57f119b34...18.exe

windows7-x64

10

f57f119b34...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f57f119b34f2ff7f7770200b1eba0e30_JaffaCakes118

  • Size

    10.3MB

  • Sample

    240417-lsztfabc96

  • MD5

    f57f119b34f2ff7f7770200b1eba0e30

  • SHA1

    ed3398edb4b2dd9fcf7130f573b216c88e038ad9

  • SHA256

    379955aa858a8443401e40f6576aa54c9243fe38d4dd761f41ab0b5847c2a6fc

  • SHA512

    31e75d262af0fc371774bd59287afdb7727ddff3cde18da1df4c0cceca86a23cd0bec60ba3b1c178ae9efea6f8710a729e6da993a30e6d6cb3d1e36a0a561b0a

  • SSDEEP

    49152:i1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll:iA

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f57f119b34f2ff7f7770200b1eba0e30_JaffaCakes118

    • Size

      10.3MB

    • MD5

      f57f119b34f2ff7f7770200b1eba0e30

    • SHA1

      ed3398edb4b2dd9fcf7130f573b216c88e038ad9

    • SHA256

      379955aa858a8443401e40f6576aa54c9243fe38d4dd761f41ab0b5847c2a6fc

    • SHA512

      31e75d262af0fc371774bd59287afdb7727ddff3cde18da1df4c0cceca86a23cd0bec60ba3b1c178ae9efea6f8710a729e6da993a30e6d6cb3d1e36a0a561b0a

    • SSDEEP

      49152:i1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllll:iA

    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