Overview

overview

10

Static

static

8

b4ce5738e2...8c.exe

windows7-x64

10

b4ce5738e2...8c.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    b4ce5738e2ca54dd075490ac12d7b76d60941569c5211bedf2c25c3f1dbac18c

  • Size

    42KB

  • Sample

    221129-hnzq4aaa5s

  • MD5

    0040d4a7ff7d0485aa333fe6d0b9b95d

  • SHA1

    3fcf7c78bfa931c7aacc42fc0e453fa18d5df84b

  • SHA256

    b4ce5738e2ca54dd075490ac12d7b76d60941569c5211bedf2c25c3f1dbac18c

  • SHA512

    354896efea15073641476c4e7eb2d5858de3ab6307d86b0a0cf6f62bf28459d796483b341946821aef4d45d152299d62cb6d60add41d3b16437b0c5b4d55d422

  • SSDEEP

    768:gyz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888w:hzOCay4wV339rPjzbpLwRJ9pSdoI9

Score
10/10
aspackv2evasionpersistence

Malware Config

Targets

    • Target

      b4ce5738e2ca54dd075490ac12d7b76d60941569c5211bedf2c25c3f1dbac18c

    • Size

      42KB

    • MD5

      0040d4a7ff7d0485aa333fe6d0b9b95d

    • SHA1

      3fcf7c78bfa931c7aacc42fc0e453fa18d5df84b

    • SHA256

      b4ce5738e2ca54dd075490ac12d7b76d60941569c5211bedf2c25c3f1dbac18c

    • SHA512

      354896efea15073641476c4e7eb2d5858de3ab6307d86b0a0cf6f62bf28459d796483b341946821aef4d45d152299d62cb6d60add41d3b16437b0c5b4d55d422

    • SSDEEP

      768:gyz0/XBwayCUOwV3TNZHdrPeqzEWvpbPwSMX6+w6pqZxLdeVgol9D8888888888w:hzOCay4wV339rPjzbpLwRJ9pSdoI9

    Score
    10/10
    aspackv2evasionpersistence

    • Modifies WinLogon for persistence

      persistence

    • Modifies visibility of file extensions in Explorer

      evasion

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

Hidden Files and Directories

2
T1158

Privilege Escalation

Defense Evasion

Modify Registry

4
T1112

Hidden Files and Directories

2
T1158

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks