Overview

overview

10

Static

static

3

fc9d27ffa8...18.exe

windows7-x64

10

fc9d27ffa8...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118

  • Size

    14.6MB

  • Sample

    240420-m5373afe6x

  • MD5

    fc9d27ffa867f7f49dee1251dae0344e

  • SHA1

    442c6b101cc68df05cafe8503d4b24647dfe980f

  • SHA256

    fe7eb1248703a1dad025d2a6095acc77e8b3731cf282ac652a0b6d490ea0832f

  • SHA512

    d1fe29b5fe0d2ffa19ecd9641086954df472bd7876ecdf14cbf84f0b3f8365985adddcdc927fa81ce160d7de67ac3216d05b8b8542cfa52b4978073342e9fcd1

  • SSDEEP

    49152:wjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrX:S

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fc9d27ffa867f7f49dee1251dae0344e_JaffaCakes118

    • Size

      14.6MB

    • MD5

      fc9d27ffa867f7f49dee1251dae0344e

    • SHA1

      442c6b101cc68df05cafe8503d4b24647dfe980f

    • SHA256

      fe7eb1248703a1dad025d2a6095acc77e8b3731cf282ac652a0b6d490ea0832f

    • SHA512

      d1fe29b5fe0d2ffa19ecd9641086954df472bd7876ecdf14cbf84f0b3f8365985adddcdc927fa81ce160d7de67ac3216d05b8b8542cfa52b4978073342e9fcd1

    • SSDEEP

      49152:wjrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrX:S

    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