Overview

overview

10

Static

static

3

dfa8d59478...cs.exe

windows7-x64

10

dfa8d59478...cs.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    dfa8d594788b84c5fab3e2161b4fb320_NeikiAnalytics.exe

  • Size

    231KB

  • Sample

    240527-pnqazsca3t

  • MD5

    dfa8d594788b84c5fab3e2161b4fb320

  • SHA1

    3f6a2f39ae93e5bf4f0677e68d429edfc7889cfe

  • SHA256

    90aacf0dcedad342aaf6a68caa80e8a0d64d44612405207e1ca11795236e09d0

  • SHA512

    c38249eee1ffd1c1b526446f91d632a6e290de819ccd1b6ece429219ab88da94da50d6bcc394e3df17d19cd90643a9c7175f25674b60d7394cb3b6eb5d0fc753

  • SSDEEP

    3072:J+NMi6c8OZi6+bdUtueSK4S+8Ek/rkrVV+TwS31rhduafc+ofzjXvn4ndT9y+Y:tc1JkdmhT11krVV+TZ3jlc+o7jX6dT

Score
10/10
tofseeevasionexecutionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      dfa8d594788b84c5fab3e2161b4fb320_NeikiAnalytics.exe

    • Size

      231KB

    • MD5

      dfa8d594788b84c5fab3e2161b4fb320

    • SHA1

      3f6a2f39ae93e5bf4f0677e68d429edfc7889cfe

    • SHA256

      90aacf0dcedad342aaf6a68caa80e8a0d64d44612405207e1ca11795236e09d0

    • SHA512

      c38249eee1ffd1c1b526446f91d632a6e290de819ccd1b6ece429219ab88da94da50d6bcc394e3df17d19cd90643a9c7175f25674b60d7394cb3b6eb5d0fc753

    • SSDEEP

      3072:J+NMi6c8OZi6+bdUtueSK4S+8Ek/rkrVV+TwS31rhduafc+ofzjXvn4ndT9y+Y:tc1JkdmhT11krVV+TZ3jlc+o7jX6dT

    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