Overview

overview

10

Static

static

3

f379c76200...18.exe

windows7-x64

10

f379c76200...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f379c76200860aa2a6e11bf220772b5f_JaffaCakes118

  • Size

    14.9MB

  • Sample

    240416-pe8e7saa85

  • MD5

    f379c76200860aa2a6e11bf220772b5f

  • SHA1

    8b53b7f4efe9339a9463cdf61ed64f7091d5b006

  • SHA256

    f470b1f3e1c06b2aa8c39ccc759a0959835df0686080ae76ec0e22935fb23d82

  • SHA512

    77e33eb0197478919086e60976c4716683d67f2415c8d03d27a59b8ac8dad7e31d1cba7a985f673b60619d8790481d3fbc2b5a716d258a5714ad5ed7ed9bdff6

  • SSDEEP

    49152:M66666666666666666666666666666666666666666666666666666666666666i:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f379c76200860aa2a6e11bf220772b5f_JaffaCakes118

    • Size

      14.9MB

    • MD5

      f379c76200860aa2a6e11bf220772b5f

    • SHA1

      8b53b7f4efe9339a9463cdf61ed64f7091d5b006

    • SHA256

      f470b1f3e1c06b2aa8c39ccc759a0959835df0686080ae76ec0e22935fb23d82

    • SHA512

      77e33eb0197478919086e60976c4716683d67f2415c8d03d27a59b8ac8dad7e31d1cba7a985f673b60619d8790481d3fbc2b5a716d258a5714ad5ed7ed9bdff6

    • SSDEEP

      49152:M66666666666666666666666666666666666666666666666666666666666666i:

    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