Overview

overview

10

Static

static

3

5c9f165708...18.exe

windows7-x64

10

5c9f165708...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5c9f165708d2048efede69f4f5a98d5c_JaffaCakes118

  • Size

    285KB

  • Sample

    240719-tdfe9ayelk

  • MD5

    5c9f165708d2048efede69f4f5a98d5c

  • SHA1

    cc34508989b9b0f8ec666946157e5e1bb8c43b09

  • SHA256

    19d8923701cbffb8e0f7f3cb4772239bac595a314a444de6c3517f153b7beb12

  • SHA512

    3b37bf309c5d61cf14c120a47cd9e44697e66f5a2e8c3d6c790003ed8f7ac2ddec383c7dd52e3ca08060b9a7cadb55e8f49ff67f4ad1854a4761439c3e5dda5b

  • SSDEEP

    6144:0XPEvmSL4nfFsmUf6yjeZkAIdFIrasbROhxxpeTr/ekI:0fE1cnfiRn4lesIzxp6L

Score
10/10
tofseeevasionexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      5c9f165708d2048efede69f4f5a98d5c_JaffaCakes118

    • Size

      285KB

    • MD5

      5c9f165708d2048efede69f4f5a98d5c

    • SHA1

      cc34508989b9b0f8ec666946157e5e1bb8c43b09

    • SHA256

      19d8923701cbffb8e0f7f3cb4772239bac595a314a444de6c3517f153b7beb12

    • SHA512

      3b37bf309c5d61cf14c120a47cd9e44697e66f5a2e8c3d6c790003ed8f7ac2ddec383c7dd52e3ca08060b9a7cadb55e8f49ff67f4ad1854a4761439c3e5dda5b

    • SSDEEP

      6144:0XPEvmSL4nfFsmUf6yjeZkAIdFIrasbROhxxpeTr/ekI:0fE1cnfiRn4lesIzxp6L

    Score
    10/10
    tofseeevasionexecutionpersistenceprivilege_escalationtrojan

    • 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 Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1
T1569

Service Execution

1
T1569.002

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

1
T1562.001

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks