Overview

overview

10

Static

static

7c9eba57cb...91.exe

windows7_x64

10

7c9eba57cb...91.exe

windows10_x64

10

Resubmissions

27-08-2020 15:47

200827-m1jren2nas 10

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General

  • Target

    7c9eba57cb8262a908dc10929cf38b8e4e0af9f5a3f69bdf226b151761580e91.exe

  • Size

    181KB

  • Sample

    200827-m1jren2nas

  • MD5

    80d3605d4b180cdd2fef6cb6312942bd

  • SHA1

    12386eee0db55c3c612c92b7912d6f5eceaaffdc

  • SHA256

    7c9eba57cb8262a908dc10929cf38b8e4e0af9f5a3f69bdf226b151761580e91

  • SHA512

    cfb0f5785978586aeaec6a832f0dfae13039c07f977f0afb63fcdbb27981b7bc95ecaf202c7a5ddfec9b47bbf1c5c00c2cfdbc471035311b2458dec6a2e65fd9

Score
10/10
dharmasmokeloaderbackdoorpersistenceransomwaretrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://rexstat35x.xyz/statweb955/

http://dexspot2x.xyz/statweb955/

http://atxspot20x.xyz/statweb955/

http://rexspot7x.xyz/statweb955/

http://fdmail85.club/statweb955/

http://servicem977x.xyz/statweb955/

http://advertxman7x.xyz/statweb955/

http://starxpush7x.xyz/statweb955/
rc4.i32
rc4.i32

Targets

    • Target

      7c9eba57cb8262a908dc10929cf38b8e4e0af9f5a3f69bdf226b151761580e91.exe

    • Size

      181KB

    • MD5

      80d3605d4b180cdd2fef6cb6312942bd

    • SHA1

      12386eee0db55c3c612c92b7912d6f5eceaaffdc

    • SHA256

      7c9eba57cb8262a908dc10929cf38b8e4e0af9f5a3f69bdf226b151761580e91

    • SHA512

      cfb0f5785978586aeaec6a832f0dfae13039c07f977f0afb63fcdbb27981b7bc95ecaf202c7a5ddfec9b47bbf1c5c00c2cfdbc471035311b2458dec6a2e65fd9

    Score
    10/10
    ransomwaretrojanbackdoorsmokeloaderdharmapersistence

    • Dharma

      Dharma is a ransomware that uses security software installation to hide malicious activities.

      ransomwaredharma

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

      ransomware

    • Executes dropped EXE

    • Deletes itself

    • Drops startup file

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • 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

File Deletion

2
T1107

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2
T1490

Tasks