Overview

overview

10

Static

static

3

fc375afd6e...18.exe

windows7-x64

10

fc375afd6e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fc375afd6e19021f99dba8859321d797_JaffaCakes118

  • Size

    14.3MB

  • Sample

    240420-h2zm9abd45

  • MD5

    fc375afd6e19021f99dba8859321d797

  • SHA1

    40ea7fd6cdb00ac865eef58b88baa2a4585275a1

  • SHA256

    55dacf5412f89d111de8f577d2dbc35d8c309651de0b137807efca66e90c6913

  • SHA512

    50aee8181165f0b8e310d4be2ca5f0e5679254443f6a7639c3b878a3ed59b9d22b366ebbd920fff8fcada37da03f3029b7f1e596246f6df7afcae30f65064532

  • SSDEEP

    98304:LNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll7:pW

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fc375afd6e19021f99dba8859321d797_JaffaCakes118

    • Size

      14.3MB

    • MD5

      fc375afd6e19021f99dba8859321d797

    • SHA1

      40ea7fd6cdb00ac865eef58b88baa2a4585275a1

    • SHA256

      55dacf5412f89d111de8f577d2dbc35d8c309651de0b137807efca66e90c6913

    • SHA512

      50aee8181165f0b8e310d4be2ca5f0e5679254443f6a7639c3b878a3ed59b9d22b366ebbd920fff8fcada37da03f3029b7f1e596246f6df7afcae30f65064532

    • SSDEEP

      98304:LNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll7:pW

    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