Overview

overview

10

Static

static

dridex

windows10_x64

10

Sharing

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General

  • Target

    05efdb0abe5919d3d00fa4ac57e9b3e21226ccf7c67957d0b3373a0135f79aba

  • Size

    340KB

  • Sample

    211027-yg3r6sgdb8

  • MD5

    b797daa07fccd97f7844869d01dfeff0

  • SHA1

    92cde65f586916704dc32cc7aa9bce0495fb59fc

  • SHA256

    05efdb0abe5919d3d00fa4ac57e9b3e21226ccf7c67957d0b3373a0135f79aba

  • SHA512

    8d6e46d4353437cea38e85a65a8af58e761710e7f5b9bd80ddd1ba6f1ca7deac4a6f05a903a0127d5748f98442930a6db31292015a6706011e708405fe385b77

Score
10/10
servhelpersmokeloaderxmrigbackdoorminerpersistencetrojanupx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

smokeloader

Version

2020

C2

http://brandyjaggers.com/upload/

http://andbal.com/upload/

http://alotofquotes.com/upload/

http://szpnc.cn/upload/

http://uggeboots.com/upload/

http://100klv.com/upload/

http://rapmusic.at/upload/
rc4.i32
rc4.i32

Targets

    • Target

      05efdb0abe5919d3d00fa4ac57e9b3e21226ccf7c67957d0b3373a0135f79aba

    • Size

      340KB

    • MD5

      b797daa07fccd97f7844869d01dfeff0

    • SHA1

      92cde65f586916704dc32cc7aa9bce0495fb59fc

    • SHA256

      05efdb0abe5919d3d00fa4ac57e9b3e21226ccf7c67957d0b3373a0135f79aba

    • SHA512

      8d6e46d4353437cea38e85a65a8af58e761710e7f5b9bd80ddd1ba6f1ca7deac4a6f05a903a0127d5748f98442930a6db31292015a6706011e708405fe385b77

    Score
    10/10
    servhelpersmokeloaderxmrigbackdoorminerpersistencetrojanupx

    • ServHelper

      ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.

      trojanbackdoorservhelper

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

      minerxmrig

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies RDP port number used by Windows

    • Sets DLL path for service in the registry

      persistence

    • UPX packed file

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

      upx

    • Deletes itself

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Account Manipulation

1
T1098

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Remote Desktop Protocol

1
T1076

Collection

Exfiltration

Command and Control

Impact

Tasks