Overview

overview

10

Static

static

3

fbb4d43f90...18.exe

windows7-x64

10

fbb4d43f90...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fbb4d43f90d6c4e44bc3d66bb4e00a7f_JaffaCakes118

  • Size

    10.3MB

  • Sample

    240420-cqhbyaeg7s

  • MD5

    fbb4d43f90d6c4e44bc3d66bb4e00a7f

  • SHA1

    71333f6fac993d9c6f1d7c853beffb364f0a5aaa

  • SHA256

    5bc56bbb39fc526c456c171afcfd0f0861418f6acb277fd9304bf01023c9d40d

  • SHA512

    59152fa21df817423fba2bf3a635f7228bcdd0ae88bbef766a3523e3609304ea86b4192637ed9f0a58b8a0211c918b3768628ac150aebafb7567f321137cb51f

  • SSDEEP

    6144:UDLhwY9FPsMFYUaPWIXDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD/:WWSFPsycP

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fbb4d43f90d6c4e44bc3d66bb4e00a7f_JaffaCakes118

    • Size

      10.3MB

    • MD5

      fbb4d43f90d6c4e44bc3d66bb4e00a7f

    • SHA1

      71333f6fac993d9c6f1d7c853beffb364f0a5aaa

    • SHA256

      5bc56bbb39fc526c456c171afcfd0f0861418f6acb277fd9304bf01023c9d40d

    • SHA512

      59152fa21df817423fba2bf3a635f7228bcdd0ae88bbef766a3523e3609304ea86b4192637ed9f0a58b8a0211c918b3768628ac150aebafb7567f321137cb51f

    • SSDEEP

      6144:UDLhwY9FPsMFYUaPWIXDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD/:WWSFPsycP

    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