Overview

overview

10

Static

static

3

f2e8348265...18.exe

windows7-x64

10

f2e8348265...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f2e83482658169cfb723595f03ed4c73_JaffaCakes118

  • Size

    14.8MB

  • Sample

    240416-hdh1labe25

  • MD5

    f2e83482658169cfb723595f03ed4c73

  • SHA1

    5974b5b2d036ab80ac3a823406e69d1e56a930f7

  • SHA256

    2127d8998f0d3f04259848e7f11e6353cf71078cacfd2c23b6276323cead9718

  • SHA512

    b7a6e94181f7edc606fbc6aa0f8f768f7a684c6f13a8d945fe5b749f8a689b9a90d27bd01cd4ae74a7498a03d67ecd0d585eb4b3555ce20b78176bac17736a6f

  • SSDEEP

    6144:gvk9RADRUv1CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC3:ZRAD

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f2e83482658169cfb723595f03ed4c73_JaffaCakes118

    • Size

      14.8MB

    • MD5

      f2e83482658169cfb723595f03ed4c73

    • SHA1

      5974b5b2d036ab80ac3a823406e69d1e56a930f7

    • SHA256

      2127d8998f0d3f04259848e7f11e6353cf71078cacfd2c23b6276323cead9718

    • SHA512

      b7a6e94181f7edc606fbc6aa0f8f768f7a684c6f13a8d945fe5b749f8a689b9a90d27bd01cd4ae74a7498a03d67ecd0d585eb4b3555ce20b78176bac17736a6f

    • SSDEEP

      6144:gvk9RADRUv1CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC3:ZRAD

    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