Overview

overview

10

Static

static

3

53d76bb5b6...18.exe

windows7-x64

10

53d76bb5b6...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    53d76bb5b64e47426f0e917df07fe458_JaffaCakes118

  • Size

    100KB

  • Sample

    240518-kclq7sbg24

  • MD5

    53d76bb5b64e47426f0e917df07fe458

  • SHA1

    fd7a4854773cec14c3faac841f58f22f4d870bea

  • SHA256

    a1978f71a6c74917b832e91e4ca0f7e7c7aad4cebf354696c92b0e42ef2af0ac

  • SHA512

    44bb18fe4cd15f56f5f51d1599d1f0765b122b57c0469f4004e950770c470c68d13283a958e5489f7355a6aa31e288531a6f905c83e2212af3dfae51cb05272b

  • SSDEEP

    1536:K0HtGDRSAfMOdAhezBhgmnK5649QAqZD0EinrGOlI3M4a50R3ddbhUfIVIjE1:uDRSApAhGBhgO495KzODINdR/2f+P

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      53d76bb5b64e47426f0e917df07fe458_JaffaCakes118

    • Size

      100KB

    • MD5

      53d76bb5b64e47426f0e917df07fe458

    • SHA1

      fd7a4854773cec14c3faac841f58f22f4d870bea

    • SHA256

      a1978f71a6c74917b832e91e4ca0f7e7c7aad4cebf354696c92b0e42ef2af0ac

    • SHA512

      44bb18fe4cd15f56f5f51d1599d1f0765b122b57c0469f4004e950770c470c68d13283a958e5489f7355a6aa31e288531a6f905c83e2212af3dfae51cb05272b

    • SSDEEP

      1536:K0HtGDRSAfMOdAhezBhgmnK5649QAqZD0EinrGOlI3M4a50R3ddbhUfIVIjE1:uDRSApAhGBhgO495KzODINdR/2f+P

    Score
    10/10
    tofseeevasionexecutionpersistencetrojan

    • 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 Matrix ATT&CK v13

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

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