Overview

overview

10

Static

static

8

b8e309c3d2...d2.exe

windows7_x64

10

b8e309c3d2...d2.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    b8e309c3d298b53ddf03e0e0e6b06eb6e3c6471c3718df83fa65211a374254d2

  • Size

    336KB

  • Sample

    220707-e9sywsdbbl

  • MD5

    80fa4c5de221f99fc3c32214346a6b6a

  • SHA1

    0c0137d1afdbd423eab14063461a5feed593e226

  • SHA256

    b8e309c3d298b53ddf03e0e0e6b06eb6e3c6471c3718df83fa65211a374254d2

  • SHA512

    999e18bbda2aae73f28efa59e9844732e058a1455acbb0eb5f7715242f6791bf534f15433220851a8bc71b9f1ac8e478364c1177ccfd7f17a99646d09a3209f2

Score
10/10
collectionevasionpersistenceupx

Malware Config

Targets

    • Target

      b8e309c3d298b53ddf03e0e0e6b06eb6e3c6471c3718df83fa65211a374254d2

    • Size

      336KB

    • MD5

      80fa4c5de221f99fc3c32214346a6b6a

    • SHA1

      0c0137d1afdbd423eab14063461a5feed593e226

    • SHA256

      b8e309c3d298b53ddf03e0e0e6b06eb6e3c6471c3718df83fa65211a374254d2

    • SHA512

      999e18bbda2aae73f28efa59e9844732e058a1455acbb0eb5f7715242f6791bf534f15433220851a8bc71b9f1ac8e478364c1177ccfd7f17a99646d09a3209f2

    Score
    10/10
    collectionevasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies system executable filetype association

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • Disables RegEdit via registry modification

      evasion

    • Disables use of System Restore points

      evasion

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Change Default File Association

1
T1042

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

7
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Inhibit System Recovery

1
T1490

Tasks