cfbdc33e80a3cdb70b6424c25f9080589e0426bbf8582e2b3533dbd1f4e69da9 | Triage

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Overview

overview

8

Static

static

8

cfbdc33e80...a9.exe

windows7-x64

8

cfbdc33e80...a9.exe

windows10-2004-x64

8

Sharing

General

Target

cfbdc33e80a3cdb70b6424c25f9080589e0426bbf8582e2b3533dbd1f4e69da9
Size

350KB
Sample

221020-vcwlhsece5
MD5

49d2d3f5d89ec10080335fc849911660
SHA1

b6d8d1a394b5a68d6a1f0fc1b34ccefe76ea3064
SHA256

cfbdc33e80a3cdb70b6424c25f9080589e0426bbf8582e2b3533dbd1f4e69da9
SHA512

d241dddb398733b2563e79d548029125c05d11a8e1eb34ff0d5bb0bdfd53ce9bb74c067992a33101d05362796e509dd078478d60c3209a25936462c4512f9ac9
SSDEEP

6144:byXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:b3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score

8^/10

adware discovery exploit persistence stealer upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

cfbdc33e80a3cdb70b6424c25f9080589e0426bbf8582e2b3533dbd1f4e69da9.exe

Resource

win7-20220901-en

adware discovery exploit persistence stealer upx

windows7-x64

13 signatures

150 seconds

Behavioral task

behavioral2

Sample

cfbdc33e80a3cdb70b6424c25f9080589e0426bbf8582e2b3533dbd1f4e69da9.exe

Resource

win10v2004-20220812-en

adware discovery exploit persistence stealer upx

windows10-2004-x64

12 signatures

150 seconds

Malware Config

Targets

- Target
  
  cfbdc33e80a3cdb70b6424c25f9080589e0426bbf8582e2b3533dbd1f4e69da9
- Size
  
  350KB
- MD5
  
  49d2d3f5d89ec10080335fc849911660
- SHA1
  
  b6d8d1a394b5a68d6a1f0fc1b34ccefe76ea3064
- SHA256
  
  cfbdc33e80a3cdb70b6424c25f9080589e0426bbf8582e2b3533dbd1f4e69da9
- SHA512
  
  d241dddb398733b2563e79d548029125c05d11a8e1eb34ff0d5bb0bdfd53ce9bb74c067992a33101d05362796e509dd078478d60c3209a25936462c4512f9ac9
- SSDEEP
  
  6144:byXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:b3BdQLL4BE93NGVYZX9BukJlwxSJdEm
Score

8^/10

adware discovery exploit persistence stealer upx
- Drops file in Drivers directory
- Possible privilege escalation attempt
  exploit
- Sets service image path in registry
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Deletes itself
- Modifies file permissions
  discovery
- Installs/modifies Browser Helper Object
  BHOs are DLL modules which act as plugins for Internet Explorer.
  stealer adware
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Browser Extensions

Privilege Escalation

Defense Evasion

Modify Registry

File Permissions Modification

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks

static1

behavioral1

adwarediscoveryexploitpersistencestealerupx

behavioral2

adwarediscoveryexploitpersistencestealerupx

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