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Overview

overview

10

Static

static

5

f735bc5eab...39.exe

windows7-x64

10

f735bc5eab...39.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f735bc5eab79e5dc0b6e78184ab5f62d2710ea5a4664d82bc7c11a8e2a2b5839

  • Size

    91KB

  • Sample

    240929-e6jaaazepr

  • MD5

    99583bad9b5a5a950f175e054b42d4b3

  • SHA1

    0179a7e86748547d6460ec0c4b1c5e094fe7d03b

  • SHA256

    f735bc5eab79e5dc0b6e78184ab5f62d2710ea5a4664d82bc7c11a8e2a2b5839

  • SHA512

    5394a66293cc54ee93315d09c1d7ba6b5c948a47ddd958ef773dbee25e05d3c2d35d9d41de8fa5274b0ed155bf5c1b2b48aacd72b1e966e87ca6fb694848b624

  • SSDEEP

    1536:XJRtlEnBHHIgabuYotV/JbJCX5SBixJRtlEnBHHIgabuYotV/JbJCX5SBiE:XvtYxOuYotvYQIxvtYxOuYotvYQIE

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Targets

    • Target

      f735bc5eab79e5dc0b6e78184ab5f62d2710ea5a4664d82bc7c11a8e2a2b5839

    • Size

      91KB

    • MD5

      99583bad9b5a5a950f175e054b42d4b3

    • SHA1

      0179a7e86748547d6460ec0c4b1c5e094fe7d03b

    • SHA256

      f735bc5eab79e5dc0b6e78184ab5f62d2710ea5a4664d82bc7c11a8e2a2b5839

    • SHA512

      5394a66293cc54ee93315d09c1d7ba6b5c948a47ddd958ef773dbee25e05d3c2d35d9d41de8fa5274b0ed155bf5c1b2b48aacd72b1e966e87ca6fb694848b624

    • SSDEEP

      1536:XJRtlEnBHHIgabuYotV/JbJCX5SBixJRtlEnBHHIgabuYotV/JbJCX5SBiE:XvtYxOuYotvYQIxvtYxOuYotvYQIE

    Score
    10/10
    discoveryevasionpersistenceupx

    • Modifies WinLogon for persistence

      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

    • Loads dropped DLL

    • Modifies system executable filetype association

      persistence

    • 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

    • UPX packed file

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

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

Change Default File Association

1
T1546.001

Defense Evasion

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

6
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

1
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Inhibit System Recovery

1
T1490

Tasks