Resubmissions

24-09-2022 20:40

220924-zf4hradccr 10

General

  • Target

    0b26eab73b57842b1b5c439df38324e9.exe

  • Size

    2.6MB

  • Sample

    220924-zf4hradccr

  • MD5

    0b26eab73b57842b1b5c439df38324e9

  • SHA1

    42633109f529b2dad7532b349c32c5d5f867ecf9

  • SHA256

    94263aa0a3b9de301c6fea69b4d211662829b23a80020b80879f37e6ff6bd6f0

  • SHA512

    e653f61dfce5e156a9135ec34cca1f3765192e22ec80f5f43c49e5140681b5e514896c2720e048245088d15ceecb95e11625deff6355ed7db6c26ae7f0e6d7e7

  • SSDEEP

    49152:npTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:nZpktrvTOqp2Nw3L0gRbfGI8sepeu1

Malware Config

Targets

    • Target

      0b26eab73b57842b1b5c439df38324e9.exe

    • Size

      2.6MB

    • MD5

      0b26eab73b57842b1b5c439df38324e9

    • SHA1

      42633109f529b2dad7532b349c32c5d5f867ecf9

    • SHA256

      94263aa0a3b9de301c6fea69b4d211662829b23a80020b80879f37e6ff6bd6f0

    • SHA512

      e653f61dfce5e156a9135ec34cca1f3765192e22ec80f5f43c49e5140681b5e514896c2720e048245088d15ceecb95e11625deff6355ed7db6c26ae7f0e6d7e7

    • SSDEEP

      49152:npTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:nZpktrvTOqp2Nw3L0gRbfGI8sepeu1

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks