General

  • Target

    4385abb8f1ffbb6ad3953295892730b8.bin

  • Size

    1016KB

  • Sample

    230127-qakzsaba96

  • MD5

    e51ab9864c3f109d90606352f91657da

  • SHA1

    8b61358f03f4fe9a628abcbad8ba88e5b0064d15

  • SHA256

    8444417a982493f6d797f0f6af3b4070baa21fef8be0b68afc9cb47d4a493841

  • SHA512

    b64193e7732f4ba4ead4d3635ad11d937a4235995bb78d43ecd8fad2c3697ef606046930fcba76b50bc4d68c6f8d260a5b03ed6f211d59c81ce031ca47dda0cd

  • SSDEEP

    24576:rYQ2qm5V/C/nBhWIqHJccXjxorC0GHECWfRy4p/Sf:rYRqIeHHcTOz6ERJJp/Sf

Malware Config

Targets

    • Target

      cf496576e970c84e62e2e66d2c7d27339914d32087e9877aa4fe2cd2bf21255e.exe

    • Size

      1018KB

    • MD5

      4385abb8f1ffbb6ad3953295892730b8

    • SHA1

      34c74d4ee9850a36e746747022756834fdaa518a

    • SHA256

      cf496576e970c84e62e2e66d2c7d27339914d32087e9877aa4fe2cd2bf21255e

    • SHA512

      1cc2fdccc302aad4b5a4668bca85043d45871c702811765946e76c3dca10c15c5b4598318e0d383d4e8db4dbe36d2e448978367ebe329268ab699c00e11da3d3

    • SSDEEP

      24576:ik+b1V8TTyGainaKNH+TH3tPIhcvz+HQei8RtDUr:qfK2inbp+BPG4KweLjDU

    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • 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 Microsoft Outlook profiles

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Command and Control

Web Service

1
T1102

Tasks