Overview

overview

10

Static

static

3

f556b46080...18.exe

windows7-x64

10

f556b46080...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f556b46080b93cac81ba2773afed7bc2_JaffaCakes118

  • Size

    13.5MB

  • Sample

    240417-j2dapabb2s

  • MD5

    f556b46080b93cac81ba2773afed7bc2

  • SHA1

    8be59c47609a82572e2e4763d29d9385819116df

  • SHA256

    1dd18b571a7f0c1aa7dab349223d00dfe5d77a1ade424294e146e27f0711f9c4

  • SHA512

    0923bba76971117e1ca4cc8dee3269fc9673162486af8fc18a997db5cbbfdf5730f5c6375edc9134d4e7d9ab4a182c74eed47d29ef09fda53dfc010fa855c638

  • SSDEEP

    12288:QIIW7A7qL8SHSIiwN/iZBqAsArTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTD:RA7qLNNf

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f556b46080b93cac81ba2773afed7bc2_JaffaCakes118

    • Size

      13.5MB

    • MD5

      f556b46080b93cac81ba2773afed7bc2

    • SHA1

      8be59c47609a82572e2e4763d29d9385819116df

    • SHA256

      1dd18b571a7f0c1aa7dab349223d00dfe5d77a1ade424294e146e27f0711f9c4

    • SHA512

      0923bba76971117e1ca4cc8dee3269fc9673162486af8fc18a997db5cbbfdf5730f5c6375edc9134d4e7d9ab4a182c74eed47d29ef09fda53dfc010fa855c638

    • SSDEEP

      12288:QIIW7A7qL8SHSIiwN/iZBqAsArTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTD:RA7qLNNf

    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