General

  • Target

    Yandex.exe

  • Size

    9.1MB

  • Sample

    240428-p7vptagc92

  • MD5

    f49d0b527fba986f7142b8f37541c65d

  • SHA1

    5ecee372d5b7017f5ff9382861415ad8ef89a210

  • SHA256

    82fbeaaf322e56111753b9c00a1388bf52f8681075b716bc3f1bea44d4b1064e

  • SHA512

    25c13c2d6fa79a71a0cf67e853682a8b4244dcb4deb4493bcf54d7a8a708f58a214488c9d0ba68f9cbe6a823b1a064b9b6b9d53bdeb8dae6c4dc6ddb84f413e7

  • SSDEEP

    98304:nBTxzRg7+cSdVbub3sBzCynzWQQMIHp7w0rbDdQwNSH6uE2Tp2mqSd18z17wF9vE:B1RQ3HSSJ7PbDdh0HtQba8z1sjzkA

Malware Config

Targets

    • Target

      Yandex.exe

    • Size

      9.1MB

    • MD5

      f49d0b527fba986f7142b8f37541c65d

    • SHA1

      5ecee372d5b7017f5ff9382861415ad8ef89a210

    • SHA256

      82fbeaaf322e56111753b9c00a1388bf52f8681075b716bc3f1bea44d4b1064e

    • SHA512

      25c13c2d6fa79a71a0cf67e853682a8b4244dcb4deb4493bcf54d7a8a708f58a214488c9d0ba68f9cbe6a823b1a064b9b6b9d53bdeb8dae6c4dc6ddb84f413e7

    • SSDEEP

      98304:nBTxzRg7+cSdVbub3sBzCynzWQQMIHp7w0rbDdQwNSH6uE2Tp2mqSd18z17wF9vE:B1RQ3HSSJ7PbDdh0HtQba8z1sjzkA

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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.

    • UPX packed file

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks