General

  • Target

    25042024_2222_25042024_Document.zip

  • Size

    102KB

  • Sample

    240425-rp2rhsbe4y

  • MD5

    6206618eb6eb4c44c57624e5aa5169a9

  • SHA1

    bf9177ba136d26fdf670fb5688dbde4aead31667

  • SHA256

    f316c9478361d60b30205a8888e1dc227baa6a344521c21b0e616d853de9eedb

  • SHA512

    1725f8741c754483f1306b25b198fe607ceb3a2131f1b463279c137009a03e59d8ecafe04c7c93e3b13b50a507eced9a044985f50091a9e0708bfe1e6e27790a

  • SSDEEP

    1536:yQ/YWWqGcA3eBfcLT7yC6u7LKFs4rYYEbqHl10xHJ77G7fr9hmdOlBEB3v:yQwJQVcLTOQKS4r1Oglmp7a9hmd+BEBf

Malware Config

Targets

    • Target

      Document.doc.scr

    • Size

      194KB

    • MD5

      b7b4c97132d03eead1fa9a9352dee6c2

    • SHA1

      c9eb1bdc528076fa9c91668addf0723294ac1575

    • SHA256

      1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2

    • SHA512

      cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903

    • SSDEEP

      3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3

    • Renames multiple (326) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Checks computer location settings

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

    • Deletes itself

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

1
T1005

Impact

Defacement

1
T1491

Tasks