Overview

overview

10

Static

static

3

fd38b33ef2...18.exe

windows7-x64

10

fd38b33ef2...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118

  • Size

    13.4MB

  • Sample

    240420-vn9mhsdg6x

  • MD5

    fd38b33ef2c814530a6334068ede6c9e

  • SHA1

    7db500679ab97ade3132968cefb5487341bfc7fa

  • SHA256

    68f68b471d96eba7489c49f0764a552bece2be9a88eea0f4caa7cf0b532f242e

  • SHA512

    018cb80f9bb521fd0367f47a43ab5f07d8d3ceb1c79a25dbfce82262aeea115eee6bba773c69c7de94cabc267ee1487d090a3afae0c9f638cd8a697b40fd17c0

  • SSDEEP

    393216:qHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

194.61.3.129

defeatwax.ru

Targets

    • Target

      fd38b33ef2c814530a6334068ede6c9e_JaffaCakes118

    • Size

      13.4MB

    • MD5

      fd38b33ef2c814530a6334068ede6c9e

    • SHA1

      7db500679ab97ade3132968cefb5487341bfc7fa

    • SHA256

      68f68b471d96eba7489c49f0764a552bece2be9a88eea0f4caa7cf0b532f242e

    • SHA512

      018cb80f9bb521fd0367f47a43ab5f07d8d3ceb1c79a25dbfce82262aeea115eee6bba773c69c7de94cabc267ee1487d090a3afae0c9f638cd8a697b40fd17c0

    • SSDEEP

      393216:qHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

    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