Overview

overview

10

Static

static

3

f5e82122b5...18.exe

windows7-x64

10

f5e82122b5...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f5e82122b54d4d41824619e647ac946d_JaffaCakes118

  • Size

    14.2MB

  • Sample

    240417-qzh7gsaa76

  • MD5

    f5e82122b54d4d41824619e647ac946d

  • SHA1

    2e5246a6a5053243e05fb0ec57c53c5f5af4e139

  • SHA256

    de6664189711f6d55dd4337ae37167a3feaef197a2a5149d17da8a0a8335f584

  • SHA512

    59606a4b3babd11a4b927f0a0e470cdb42d2b784be7f75c8a3f9f23376972aa1b98c47ff2cf7c5c30216298e59ab9fcf9681f259bb39fa931fa9c87cf0cade30

  • SSDEEP

    98304:3RoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooY:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Targets

    • Target

      f5e82122b54d4d41824619e647ac946d_JaffaCakes118

    • Size

      14.2MB

    • MD5

      f5e82122b54d4d41824619e647ac946d

    • SHA1

      2e5246a6a5053243e05fb0ec57c53c5f5af4e139

    • SHA256

      de6664189711f6d55dd4337ae37167a3feaef197a2a5149d17da8a0a8335f584

    • SHA512

      59606a4b3babd11a4b927f0a0e470cdb42d2b784be7f75c8a3f9f23376972aa1b98c47ff2cf7c5c30216298e59ab9fcf9681f259bb39fa931fa9c87cf0cade30

    • SSDEEP

      98304:3RoooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooY:

    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