Overview

overview

10

Static

static

3

fd25a9c84b...18.exe

windows7-x64

10

fd25a9c84b...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fd25a9c84be208b088379553ff30606c_JaffaCakes118

  • Size

    14.2MB

  • Sample

    240420-tybmssda7x

  • MD5

    fd25a9c84be208b088379553ff30606c

  • SHA1

    6de24b33594778df7f9c3fb4dc695e0434b4c474

  • SHA256

    93474a8dc670337caf536fd0eac0d70d5d6856fc46db7493f8a982017c9e68c3

  • SHA512

    360d771d0ff2991dabd265fef1e52d02a7faae42e8cbae3ddf06ade70e5bab01adf9a7d6bf26062bc054fde2c7bad224fa9fa15cd5282b1f68938ce0ece3c566

  • SSDEEP

    98304:lNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllL:jW

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      fd25a9c84be208b088379553ff30606c_JaffaCakes118

    • Size

      14.2MB

    • MD5

      fd25a9c84be208b088379553ff30606c

    • SHA1

      6de24b33594778df7f9c3fb4dc695e0434b4c474

    • SHA256

      93474a8dc670337caf536fd0eac0d70d5d6856fc46db7493f8a982017c9e68c3

    • SHA512

      360d771d0ff2991dabd265fef1e52d02a7faae42e8cbae3ddf06ade70e5bab01adf9a7d6bf26062bc054fde2c7bad224fa9fa15cd5282b1f68938ce0ece3c566

    • SSDEEP

      98304:lNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllL:jW

    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