Overview

overview

10

Static

static

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Sharing

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General

  • Target

    2497c8d6afda40002e0c177faa936b73c5ebf2c6e4f4bac482f67a7946e6218a

  • Size

    1.1MB

  • Sample

    221127-ekw91sgg25

  • MD5

    01f89dd05027734cdf71f9923179a57a

  • SHA1

    f6cbdf1f40fcc5349ff58245cb7d14d5a5113ac0

  • SHA256

    2497c8d6afda40002e0c177faa936b73c5ebf2c6e4f4bac482f67a7946e6218a

  • SHA512

    36328e775c5cb77663e8daec6f2d72356146e17201c0340624007f78de4c0ebb20cb4a282dc324893d8088463403a26a6fd2447f4c949d7fe0de00650d2c9bf1

  • SSDEEP

    24576:+4j4a/KxTMoQvaBtu+vOQst38HZjbxiOJx7nTlbPujvb+nayzg8vk862s3vX/1rw:+WCGjL+2P8H5b0GnTlLYYDzgI961vXVk

Score
10/10
systembcevasiontrojan

Malware Config

Extracted

Family

systembc

C2

89.22.225.242:4193

195.2.93.22:4193

Targets

    • Target

      2497c8d6afda40002e0c177faa936b73c5ebf2c6e4f4bac482f67a7946e6218a

    • Size

      1.1MB

    • MD5

      01f89dd05027734cdf71f9923179a57a

    • SHA1

      f6cbdf1f40fcc5349ff58245cb7d14d5a5113ac0

    • SHA256

      2497c8d6afda40002e0c177faa936b73c5ebf2c6e4f4bac482f67a7946e6218a

    • SHA512

      36328e775c5cb77663e8daec6f2d72356146e17201c0340624007f78de4c0ebb20cb4a282dc324893d8088463403a26a6fd2447f4c949d7fe0de00650d2c9bf1

    • SSDEEP

      24576:+4j4a/KxTMoQvaBtu+vOQst38HZjbxiOJx7nTlbPujvb+nayzg8vk862s3vX/1rw:+WCGjL+2P8H5b0GnTlLYYDzgI961vXVk

    Score
    10/10
    systembcevasiontrojan

    • Modifies security service

      evasion

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

      trojansystembc

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Stops running service(s)

      evasion

    • Deletes itself

    • Loads dropped DLL

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Impair Defenses

1
T1562

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Service Stop

1
T1489

Tasks