Overview

overview

10

Static

static

3

f97ac5a687...18.exe

windows7-x64

10

f97ac5a687...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f97ac5a687cc94db960df62fb910a74a_JaffaCakes118

  • Size

    11.6MB

  • Sample

    240419-etqtlahd7x

  • MD5

    f97ac5a687cc94db960df62fb910a74a

  • SHA1

    24b5c7775506327081ea3ed0093c62d938dd50e4

  • SHA256

    00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954

  • SHA512

    ab81fd40d42ad8dd102b48906d5fba078360001cb300743b8e90849bc38d22f40302b6e26ee5d45f0b6bf1bd082e0293adee78ed3e21668c3c55b014d9746c0b

  • SSDEEP

    196608:QPHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:Q

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f97ac5a687cc94db960df62fb910a74a_JaffaCakes118

    • Size

      11.6MB

    • MD5

      f97ac5a687cc94db960df62fb910a74a

    • SHA1

      24b5c7775506327081ea3ed0093c62d938dd50e4

    • SHA256

      00423b5dc446d975260c85ace9a92f27398430fd56bbb3d42e190d281de8d954

    • SHA512

      ab81fd40d42ad8dd102b48906d5fba078360001cb300743b8e90849bc38d22f40302b6e26ee5d45f0b6bf1bd082e0293adee78ed3e21668c3c55b014d9746c0b

    • SSDEEP

      196608:QPHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHn:Q

    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