Overview

overview

10

Static

static

8

5412ce24db...cb.exe

windows7-x64

10

5412ce24db...cb.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    5412ce24dba0bda8ea83426f4cd1c7e7bfea1d0dffb5b15b3801c7977539eccb

  • Size

    132KB

  • Sample

    220725-y6j2csdfb4

  • MD5

    3247288441b450a0be73b99371ffe5a4

  • SHA1

    00b0844f6d2ab60df8884f77d02c92f05f83cb48

  • SHA256

    5412ce24dba0bda8ea83426f4cd1c7e7bfea1d0dffb5b15b3801c7977539eccb

  • SHA512

    b7099b098b966b64a07d70b7efe74486c804f969c5c6f96c80f269627fa8e69905c11f8ca725c2cdd1651940903d4a1b744606bace0576b24fa75074141a5a66

Score
10/10
tofseepersistencetrojanupx

Malware Config

Extracted

Family

tofsee

C2

91.218.38.245

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      5412ce24dba0bda8ea83426f4cd1c7e7bfea1d0dffb5b15b3801c7977539eccb

    • Size

      132KB

    • MD5

      3247288441b450a0be73b99371ffe5a4

    • SHA1

      00b0844f6d2ab60df8884f77d02c92f05f83cb48

    • SHA256

      5412ce24dba0bda8ea83426f4cd1c7e7bfea1d0dffb5b15b3801c7977539eccb

    • SHA512

      b7099b098b966b64a07d70b7efe74486c804f969c5c6f96c80f269627fa8e69905c11f8ca725c2cdd1651940903d4a1b744606bace0576b24fa75074141a5a66

    Score
    10/10
    tofseepersistencetrojanupx

    • Tofsee

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

      trojantofsee

    • Executes dropped EXE

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks