Overview

overview

10

Static

static

3

91e150cf14...18.exe

windows7-x64

10

91e150cf14...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    91e150cf143714919e8f076e28ffa0af_JaffaCakes118

  • Size

    142KB

  • Sample

    240603-p9patafc5x

  • MD5

    91e150cf143714919e8f076e28ffa0af

  • SHA1

    9f77919f92363378b6910acec411b1d4b8fce86b

  • SHA256

    40ddfa5e9adf75169f553482db151abecf58134e1b80f2681f9528e85fb204c3

  • SHA512

    9aad4f50d92d14914d872852939f75c903f892b9ab0d761ee6f4bcea92ca7109b411b2564562b80a876b90de2a92370c3ccc85874939e24b2a281828f4cdad8a

  • SSDEEP

    3072:PO8/FLfgq6rzTkYfiL2+jKfgi4m5nuGFU6W6WNU6b37:N94zwFLnKP46uC

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      91e150cf143714919e8f076e28ffa0af_JaffaCakes118

    • Size

      142KB

    • MD5

      91e150cf143714919e8f076e28ffa0af

    • SHA1

      9f77919f92363378b6910acec411b1d4b8fce86b

    • SHA256

      40ddfa5e9adf75169f553482db151abecf58134e1b80f2681f9528e85fb204c3

    • SHA512

      9aad4f50d92d14914d872852939f75c903f892b9ab0d761ee6f4bcea92ca7109b411b2564562b80a876b90de2a92370c3ccc85874939e24b2a281828f4cdad8a

    • SSDEEP

      3072:PO8/FLfgq6rzTkYfiL2+jKfgi4m5nuGFU6W6WNU6b37:N94zwFLnKP46uC

    Score
    10/10
    tofseeevasionexecutionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistenceexecution

    • 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

System Services

1
T1569

Service Execution

1
T1569.002

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