Overview

overview

10

Static

static

3

f4c26a587c...18.exe

windows7-x64

10

f4c26a587c...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f4c26a587ceedc4e1f881db4635d2e46_JaffaCakes118

  • Size

    12.9MB

  • Sample

    240417-bysxzaaa47

  • MD5

    f4c26a587ceedc4e1f881db4635d2e46

  • SHA1

    222207a71d9e9e3eb534b4fdbd644e848f1c24e0

  • SHA256

    683fa1172ed26a953994f43177ceff28ee665a14736e73fc6f91f9fe330545a0

  • SHA512

    722be7f412946c0b4a29b611afea11f0d5ca8b4d3263904299a2102a7a58dd1cb5a115f56a298820ade78b89c229e372189648db33de1cd2c13a8b09cc2a2463

  • SSDEEP

    196608:vV8YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY/:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Targets

    • Target

      f4c26a587ceedc4e1f881db4635d2e46_JaffaCakes118

    • Size

      12.9MB

    • MD5

      f4c26a587ceedc4e1f881db4635d2e46

    • SHA1

      222207a71d9e9e3eb534b4fdbd644e848f1c24e0

    • SHA256

      683fa1172ed26a953994f43177ceff28ee665a14736e73fc6f91f9fe330545a0

    • SHA512

      722be7f412946c0b4a29b611afea11f0d5ca8b4d3263904299a2102a7a58dd1cb5a115f56a298820ade78b89c229e372189648db33de1cd2c13a8b09cc2a2463

    • SSDEEP

      196608:vV8YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY/:

    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