Overview

overview

10

Static

static

3

fa2cfe80ce...18.exe

windows7-x64

10

fa2cfe80ce...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fa2cfe80ce726ca4c7c3ed8013a39903_JaffaCakes118

  • Size

    12.3MB

  • Sample

    240419-nbxc4aac32

  • MD5

    fa2cfe80ce726ca4c7c3ed8013a39903

  • SHA1

    f185e4e2c7b0752c38db7f6082142716b886c449

  • SHA256

    be08b1f6756d1985393042730c68972c4e144c7af06c20910b73ac43cea1f38d

  • SHA512

    434b1a78e04bd240548d8bc5c6cd63b5992dcbb08f026b3b8a59e81c8c005e34a2b03aac7bc096270a170c68f83871cc8cf3c87297c4d0cf0916e57d6b0de9bc

  • SSDEEP

    24576:BerU5sWbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb3:BsW

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      fa2cfe80ce726ca4c7c3ed8013a39903_JaffaCakes118

    • Size

      12.3MB

    • MD5

      fa2cfe80ce726ca4c7c3ed8013a39903

    • SHA1

      f185e4e2c7b0752c38db7f6082142716b886c449

    • SHA256

      be08b1f6756d1985393042730c68972c4e144c7af06c20910b73ac43cea1f38d

    • SHA512

      434b1a78e04bd240548d8bc5c6cd63b5992dcbb08f026b3b8a59e81c8c005e34a2b03aac7bc096270a170c68f83871cc8cf3c87297c4d0cf0916e57d6b0de9bc

    • SSDEEP

      24576:BerU5sWbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb3:BsW

    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