Overview

overview

10

Static

static

3

pukix.exe

windows7-x64

10

pukix.exe

windows10-1703-x64

10

Sharing

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General

  • Target

    pukix.exe

  • Size

    1.0MB

  • Sample

    240425-ds446aec65

  • MD5

    7c93e4041e21ef8e4d45f7343abcae94

  • SHA1

    146bc0e573b4dca3f38c147477e6c7fcabe536b3

  • SHA256

    2c82e9c61a9213ce1a25357b667d6929772bc8ad4324db38e8dd7f00c00eacc6

  • SHA512

    75903fabcf9c645f5caad2494c677d8e7e3c7a1d8a39e400fa8aea685d32e3253f0ce0423af4dba99a7e5a054b69ef48b5475d814de539574b2192794fcfedda

  • SSDEEP

    24576:ykMXdjSpUjdjKIDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDr:yBXhSq1PDDDDDDDDDDDDDDDDDDDDDDD7

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      pukix.exe

    • Size

      1.0MB

    • MD5

      7c93e4041e21ef8e4d45f7343abcae94

    • SHA1

      146bc0e573b4dca3f38c147477e6c7fcabe536b3

    • SHA256

      2c82e9c61a9213ce1a25357b667d6929772bc8ad4324db38e8dd7f00c00eacc6

    • SHA512

      75903fabcf9c645f5caad2494c677d8e7e3c7a1d8a39e400fa8aea685d32e3253f0ce0423af4dba99a7e5a054b69ef48b5475d814de539574b2192794fcfedda

    • SSDEEP

      24576:ykMXdjSpUjdjKIDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDr:yBXhSq1PDDDDDDDDDDDDDDDDDDDDDDD7

    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

    • 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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks