Overview

overview

10

Static

static

3

08602499.exe

windows7-x64

10

08602499.exe

windows10-2004-x64

Resubmissions

10-06-2023 13:48

230610-q4b9qsfg6s 10

10-06-2023 10:45

230610-mthf8afe6y 10

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General

  • Target

    08602499.exe

  • Size

    3.0MB

  • Sample

    230610-q4b9qsfg6s

  • MD5

    149cc2ec1900cb778afb50d8026eadf5

  • SHA1

    a7bc1bbc7bdc970757ec369ef0b51dc53989f131

  • SHA256

    817a695e53a1d6e24f2c701751b4d18468f20698f30fada420dfba6e21a09797

  • SHA512

    d617654478beb6325d86c108cddaff8f8d658a235d26b8e0282ed85dca826bdb62b0b67e749c7cd421dbae1d98084220e2f4d5779badb8fd7ab07ff333a35553

  • SSDEEP

    49152:Or2U5IahDUGN97rkqOAackLjQ0rZEAh3oA6wHE+K60Kk0aCLkfAZKt0OJTcL:4H2ahFNNrg3QbQoA6wHEnFN4IJu

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      08602499.exe

    • Size

      3.0MB

    • MD5

      149cc2ec1900cb778afb50d8026eadf5

    • SHA1

      a7bc1bbc7bdc970757ec369ef0b51dc53989f131

    • SHA256

      817a695e53a1d6e24f2c701751b4d18468f20698f30fada420dfba6e21a09797

    • SHA512

      d617654478beb6325d86c108cddaff8f8d658a235d26b8e0282ed85dca826bdb62b0b67e749c7cd421dbae1d98084220e2f4d5779badb8fd7ab07ff333a35553

    • SSDEEP

      49152:Or2U5IahDUGN97rkqOAackLjQ0rZEAh3oA6wHE+K60Kk0aCLkfAZKt0OJTcL:4H2ahFNNrg3QbQoA6wHEnFN4IJu

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies WinLogon for persistence

      persistence

    • UAC bypass

      evasiontrojan

    • Renames multiple (112) files with added filename extension

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

      ransomware

    • Renames multiple (131) files with added filename extension

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

      ransomware

    • Disables RegEdit via registry modification

      evasion

    • Disables Task Manager via registry modification

      evasion

    • Modifies Installed Components in the registry

      persistence

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

      ransomware

    • Checks computer location settings

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

    • Executes dropped EXE

    • Modifies system executable filetype association

      persistence

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Change Default File Association

1
T1042

Hidden Files and Directories

1
T1158

Privilege Escalation

Bypass User Account Control

1
T1088

Defense Evasion

Modify Registry

5
T1112

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Hidden Files and Directories

1
T1158

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks