Overview

overview

10

Static

static

3

f4d7ce748f...18.exe

windows7-x64

10

f4d7ce748f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f4d7ce748f02842afc6d0fe61c4e2944_JaffaCakes118

  • Size

    14.2MB

  • Sample

    240417-cy3mvach3t

  • MD5

    f4d7ce748f02842afc6d0fe61c4e2944

  • SHA1

    b4ab92d482f695405bf7e0b300553fcd1312abc2

  • SHA256

    aca4d1f950e385f84ded0ae2390f84b83a946ea27888616363082fd92ba8677c

  • SHA512

    c23623fabec8a3b69224c98518db8239f07beb5a272e667f77aee01963807e0b2fb5ef9fcfe4294401c376f44d024f0eaeccbfe072fb1c4c933ed3166fefe8fd

  • SSDEEP

    98304:hjhd88888888888888888888888888888888888888888888888888888888888:h

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

176.111.174.19

lazystax.ru

Targets

    • Target

      f4d7ce748f02842afc6d0fe61c4e2944_JaffaCakes118

    • Size

      14.2MB

    • MD5

      f4d7ce748f02842afc6d0fe61c4e2944

    • SHA1

      b4ab92d482f695405bf7e0b300553fcd1312abc2

    • SHA256

      aca4d1f950e385f84ded0ae2390f84b83a946ea27888616363082fd92ba8677c

    • SHA512

      c23623fabec8a3b69224c98518db8239f07beb5a272e667f77aee01963807e0b2fb5ef9fcfe4294401c376f44d024f0eaeccbfe072fb1c4c933ed3166fefe8fd

    • SSDEEP

      98304:hjhd88888888888888888888888888888888888888888888888888888888888:h

    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