Overview

overview

10

Static

static

3

36fb50e4d6...cs.exe

windows7-x64

10

36fb50e4d6...cs.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    36fb50e4d657b0c654aab8d18dfcca10_NeikiAnalytics.exe

  • Size

    191KB

  • Sample

    240522-zhm9jsga42

  • MD5

    36fb50e4d657b0c654aab8d18dfcca10

  • SHA1

    6290da591b1634259a2cd6d224b8094ad61e0c8c

  • SHA256

    3bd7a3296a2811abdb7ef992187f3c464d04b4b40099760144c81409bda6560f

  • SHA512

    32fedf79584d9f85b224e02fba6503effc94666ca488abe5528943f8970b2dda1464f464930c0ff1d625e5e15840e5fc28bd1c117b8087d621183a6dc59f8907

  • SSDEEP

    3072:XWWzVBseRlCZ8R0202ye2B+nNpD55vAp2bq/:XWmyClCZ8R0JPBwop2q

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      36fb50e4d657b0c654aab8d18dfcca10_NeikiAnalytics.exe

    • Size

      191KB

    • MD5

      36fb50e4d657b0c654aab8d18dfcca10

    • SHA1

      6290da591b1634259a2cd6d224b8094ad61e0c8c

    • SHA256

      3bd7a3296a2811abdb7ef992187f3c464d04b4b40099760144c81409bda6560f

    • SHA512

      32fedf79584d9f85b224e02fba6503effc94666ca488abe5528943f8970b2dda1464f464930c0ff1d625e5e15840e5fc28bd1c117b8087d621183a6dc59f8907

    • SSDEEP

      3072:XWWzVBseRlCZ8R0202ye2B+nNpD55vAp2bq/:XWmyClCZ8R0JPBwop2q

    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

    • Drops file in System32 directory

    • 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