15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40 | Triage

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Overview

overview

9

Static

static

3

15a1e0c61a...40.exe

windows7-x64

9

15a1e0c61a...40.exe

windows10-2004-x64

9

Sharing

General

Target

15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40
Size

5.3MB
Sample

240625-kx36zszfkb
MD5

c8627d527e77a0ef72d4cf95c2372029
SHA1

fb137315fc704f3440c1598431af75972794c673
SHA256

15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40
SHA512

e94ed1163969eb3ab88d5f922b51e13b9477f5107eddc409c2ddecca326bbb8867ff89186800f5f792e19ff52c34694debfea3a2d24f0464bd5fae742a0b1c90
SSDEEP

98304:LCPwQxcW9q8uwKVDhkIzfNhicx/aktet2uucyOZqcTXj5M3H4hOFe:qtiW9qZwKfVzbicxycG2uvFBzja3H4hb

Score

9^/10

bootkit evasion persistence trojan upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40.exe

Resource

win7-20240419-en

bootkit evasion persistence trojan upx

windows7-x64

11 signatures

150 seconds

Behavioral task

behavioral2

Sample

15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40.exe

Resource

win10v2004-20240508-en

bootkit evasion persistence trojan upx

windows10-2004-x64

9 signatures

150 seconds

Malware Config

Targets

- Target
  
  15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40
- Size
  
  5.3MB
- MD5
  
  c8627d527e77a0ef72d4cf95c2372029
- SHA1
  
  fb137315fc704f3440c1598431af75972794c673
- SHA256
  
  15a1e0c61a71ed6b17625c6e43944ff20c7b87ab555f30f00a7dbc991a56aa40
- SHA512
  
  e94ed1163969eb3ab88d5f922b51e13b9477f5107eddc409c2ddecca326bbb8867ff89186800f5f792e19ff52c34694debfea3a2d24f0464bd5fae742a0b1c90
- SSDEEP
  
  98304:LCPwQxcW9q8uwKVDhkIzfNhicx/aktet2uucyOZqcTXj5M3H4hOFe:qtiW9qZwKfVzbicxycG2uvFBzja3H4hb
Score

9^/10

bootkit evasion persistence trojan upx
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Checks whether UAC is enabled
  evasion trojan
- Writes to the Master Boot Record (MBR)
  Bootkits write to the MBR to gain persistence at a level below the operating system.
  bootkit persistence
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

Bootkit

Privilege Escalation

Defense Evasion

Modify Registry

Pre-OS Boot

Bootkit

Subvert Trust Controls

Install Root Certificate

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

bootkitevasionpersistencetrojanupx

behavioral2

bootkitevasionpersistencetrojanupx

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