Overview

overview

10

Static

static

3

fe1a54e652...18.exe

windows7-x64

10

fe1a54e652...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fe1a54e652e0aabbeef12672ab7cd8b6_JaffaCakes118

  • Size

    12.5MB

  • Sample

    240421-bspclaff7t

  • MD5

    fe1a54e652e0aabbeef12672ab7cd8b6

  • SHA1

    ade9b1b9a4cffb7273e0d4658c46e4b96da074cb

  • SHA256

    4862a24b71b2b82a87363c6e8f76784c96fca5a5285611387c8c012928206445

  • SHA512

    fc5f7260a03670a45105b77e4eab17cd784f43fc689e8c7314848f08cabbefcd833cef6e42736585dcd8af54d0642db4249e70ffd6b7b6153dcbe09bf97f41e0

  • SSDEEP

    49152:oM+SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSz:o

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fe1a54e652e0aabbeef12672ab7cd8b6_JaffaCakes118

    • Size

      12.5MB

    • MD5

      fe1a54e652e0aabbeef12672ab7cd8b6

    • SHA1

      ade9b1b9a4cffb7273e0d4658c46e4b96da074cb

    • SHA256

      4862a24b71b2b82a87363c6e8f76784c96fca5a5285611387c8c012928206445

    • SHA512

      fc5f7260a03670a45105b77e4eab17cd784f43fc689e8c7314848f08cabbefcd833cef6e42736585dcd8af54d0642db4249e70ffd6b7b6153dcbe09bf97f41e0

    • SSDEEP

      49152:oM+SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSz:o

    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