Overview

overview

10

Static

static

7

f36423b40d...18.exe

windows7-x64

10

f36423b40d...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f36423b40d7a0bbc75a9d05f0e324e72_JaffaCakes118

  • Size

    13.2MB

  • Sample

    240416-nkh7tshb78

  • MD5

    f36423b40d7a0bbc75a9d05f0e324e72

  • SHA1

    31f80e7d1cea645b288db9835c5e52b23fa103b2

  • SHA256

    e0e94c3fafd615c50c084cf4d72bb8f98495ad99ec2408289ae47322748120f7

  • SHA512

    fc6118271567c7697b09d7c0ef7acc50cd1867768fd06302533f96b83009c3f7f566813f20f555d628a9d2fc7c9756ca0115f32d534add97c8c66a03ed48b7a7

  • SSDEEP

    3072:Fdi8DS3tA2awlaR7/NDzFx2l0oHgBpMKwVTORO2j4UCtXGPjsjmw+V0+V0+V0+V+:a8DiApRRDzFxk0oHOpfws6Uprgp

Score
10/10
tofseeevasionpersistencetrojanupx

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f36423b40d7a0bbc75a9d05f0e324e72_JaffaCakes118

    • Size

      13.2MB

    • MD5

      f36423b40d7a0bbc75a9d05f0e324e72

    • SHA1

      31f80e7d1cea645b288db9835c5e52b23fa103b2

    • SHA256

      e0e94c3fafd615c50c084cf4d72bb8f98495ad99ec2408289ae47322748120f7

    • SHA512

      fc6118271567c7697b09d7c0ef7acc50cd1867768fd06302533f96b83009c3f7f566813f20f555d628a9d2fc7c9756ca0115f32d534add97c8c66a03ed48b7a7

    • SSDEEP

      3072:Fdi8DS3tA2awlaR7/NDzFx2l0oHgBpMKwVTORO2j4UCtXGPjsjmw+V0+V0+V0+V+:a8DiApRRDzFxk0oHOpfws6Uprgp

    Score
    10/10
    tofseeevasionpersistencetrojanupx

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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