Overview

overview

10

Static

static

3

f7baffc6d2...18.exe

windows7-x64

10

f7baffc6d2...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118

  • Size

    11.3MB

  • Sample

    240418-lnazhshc92

  • MD5

    f7baffc6d2cfb545920c4a09c852b138

  • SHA1

    8c8064183e636a58f6e8cc12eb3c4a60ba1a34bd

  • SHA256

    49dab872a5b2e9907b73be258b4bbba2f86677af674ed12a6a3f40b3e7543c84

  • SHA512

    85007d6de19c3f2db2ba6a26a23832fbb8ed13e8d5584792d33262557eca363b2c285e9d9e56a492f8792f81eeb2723d18c8ed9d05b1c66305229bf88aa9bac4

  • SSDEEP

    49152:fOawK7777777777777777777777777777777777777777777777777777777777f:fm

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f7baffc6d2cfb545920c4a09c852b138_JaffaCakes118

    • Size

      11.3MB

    • MD5

      f7baffc6d2cfb545920c4a09c852b138

    • SHA1

      8c8064183e636a58f6e8cc12eb3c4a60ba1a34bd

    • SHA256

      49dab872a5b2e9907b73be258b4bbba2f86677af674ed12a6a3f40b3e7543c84

    • SHA512

      85007d6de19c3f2db2ba6a26a23832fbb8ed13e8d5584792d33262557eca363b2c285e9d9e56a492f8792f81eeb2723d18c8ed9d05b1c66305229bf88aa9bac4

    • SSDEEP

      49152:fOawK7777777777777777777777777777777777777777777777777777777777f:fm

    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