Overview

overview

10

Static

static

7

OInstall.exe

windows7-x64

10

OInstall.exe

windows10-2004-x64

Sharing

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General

  • Target

    OInstall.exe

  • Size

    10.9MB

  • Sample

    230327-3srlhahg7t

  • MD5

    ebc58647462ad9c76395ef451064d115

  • SHA1

    14e470812f13b278b2694a4cec5737a39784e9dd

  • SHA256

    414155bf11893ec64ba0f4ffb7de92885090845a0761cf8f6743462aa5991d5e

  • SHA512

    8a9ef093d151957ae3c4c8e572fcdbd2198398c95ff8186d532853856c12c8f9ae7408c4f24518c5903faa517ea4e1d5779e797c5a4d850073fbee3ab801e8cc

  • SSDEEP

    196608:2ZnMGjZsDEsCaYsGEHy61bgUhufRswPU2/V8Gd83/PALDP0PiaQxhwf+9zYul28S:WnjZhsCOU6ZgfPPPuGdnv0fzfoDYtB

Score
10/10
upx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://officecdn.microsoft.com/pr/1d2d2ea6-1680-4c56-ac58-a441c8c24ff9/Office/Data/v32.cab

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://officecdn.microsoft.com/pr/1d2d2ea6-1680-4c56-ac58-a441c8c24ff9/Office/Data/16.0.10397.20003/i640.cab

Targets

    • Target

      OInstall.exe

    • Size

      10.9MB

    • MD5

      ebc58647462ad9c76395ef451064d115

    • SHA1

      14e470812f13b278b2694a4cec5737a39784e9dd

    • SHA256

      414155bf11893ec64ba0f4ffb7de92885090845a0761cf8f6743462aa5991d5e

    • SHA512

      8a9ef093d151957ae3c4c8e572fcdbd2198398c95ff8186d532853856c12c8f9ae7408c4f24518c5903faa517ea4e1d5779e797c5a4d850073fbee3ab801e8cc

    • SSDEEP

      196608:2ZnMGjZsDEsCaYsGEHy61bgUhufRswPU2/V8Gd83/PALDP0PiaQxhwf+9zYul28S:WnjZhsCOU6ZgfPPPuGdnv0fzfoDYtB

    Score
    10/10
    upx

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks