Overview

overview

10

Static

static

3

041f178676...18.exe

windows7-x64

10

041f178676...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    041f1786762e19b8f29423a19ca0498c_JaffaCakes118

  • Size

    98KB

  • Sample

    240428-cclgfaea61

  • MD5

    041f1786762e19b8f29423a19ca0498c

  • SHA1

    5ccb39b1480d9c693b429f35b0f7f3e5afb0730e

  • SHA256

    8268704a7d561c3b77519503ac645bee86e62991cb3844bc90e12515d468afcd

  • SHA512

    41b565b4e981fca822f9c95ea65ef1da13386a199612609d94a4056cc04824abf03e70bdc5e7869ebd47dfc1ed36f5eda40dd665070b9b557e35cd07b726c6ec

  • SSDEEP

    1536:2u7R8+GeLxCi1s95kG0tTZaNxas1Y29db/vIHduOfpkwMEkR:2u7RBtlHs9z0PSxJ1T1/vIAEyLEs

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      041f1786762e19b8f29423a19ca0498c_JaffaCakes118

    • Size

      98KB

    • MD5

      041f1786762e19b8f29423a19ca0498c

    • SHA1

      5ccb39b1480d9c693b429f35b0f7f3e5afb0730e

    • SHA256

      8268704a7d561c3b77519503ac645bee86e62991cb3844bc90e12515d468afcd

    • SHA512

      41b565b4e981fca822f9c95ea65ef1da13386a199612609d94a4056cc04824abf03e70bdc5e7869ebd47dfc1ed36f5eda40dd665070b9b557e35cd07b726c6ec

    • SSDEEP

      1536:2u7R8+GeLxCi1s95kG0tTZaNxas1Y29db/vIHduOfpkwMEkR:2u7RBtlHs9z0PSxJ1T1/vIAEyLEs

    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