Overview

overview

10

Static

static

2ea3f9f2f5...59.exe

windows7_x64

10

2ea3f9f2f5...59.exe

windows10-2004_x64

Sharing

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General

  • Target

    2ea3f9f2f531dc5153dd2e93f7cc763ce3e425c67eb64dcd06f5204598649b59

  • Size

    142KB

  • Sample

    220622-jfmx1aafdr

  • MD5

    5e40852b1b836ae50ea61b4dc56124e9

  • SHA1

    b01babd89da56da58ae26ea756bfe6dbdbc917d5

  • SHA256

    2ea3f9f2f531dc5153dd2e93f7cc763ce3e425c67eb64dcd06f5204598649b59

  • SHA512

    7e57324bafde20171129bd0a873654cece5827e93a00423bf98a89612343cd483fd67556dedaa72c5ae92f2a603c9dfab880881d986722d1403c508b523bc276

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      2ea3f9f2f531dc5153dd2e93f7cc763ce3e425c67eb64dcd06f5204598649b59

    • Size

      142KB

    • MD5

      5e40852b1b836ae50ea61b4dc56124e9

    • SHA1

      b01babd89da56da58ae26ea756bfe6dbdbc917d5

    • SHA256

      2ea3f9f2f531dc5153dd2e93f7cc763ce3e425c67eb64dcd06f5204598649b59

    • SHA512

      7e57324bafde20171129bd0a873654cece5827e93a00423bf98a89612343cd483fd67556dedaa72c5ae92f2a603c9dfab880881d986722d1403c508b523bc276

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Creates new service(s)

      persistence

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets service image path in registry

      persistence

    • Deletes itself

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks