vilsel | 37a4f7e2b3f8dc2d8c526c25d6139254c0db5d80f4eaea4f30905b65a4b14bca | Triage™

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Overview

overview

Static

static

37a4f7e2b3...ca.exe

windows10-2004-x64

37a4f7e2b3...ca.exe

windows11-ltsc_2024-x64

Resubmissions

27/08/2026, 12:40

260827-pwdl6avdkd10

27/08/2026, 12:32

260827-pq4amahl2t10

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General

Target
37a4f7e2b3f8dc2d8c526c25d6139254c0db5d80f4eaea4f30905b65a4b14bca
Size 86KB
Sample260827-pwdl6avdkd
SHA256 37a4f7e2b3f8dc2d8c526c25d6139254c0db5d80f4eaea4f30905b65a4b14bca
MD5 35ba9b2f8d8723ec1ae09504c6222e46
SHA1 bfa8b17bfdbbfc487b31290ae8dff5c2bc17fbca
SHA512 cfd0ed2bf9e5e8f13f551c083d8df156ed6a6310fca3dcb3ccc3d13adb5abe0b02202309adb8bf890e2f9fe2e98d6d091340112620d8f7a25991727fb53e454e
SSDEEP 768:8qnum1opQNwC3BESe4Vqth+0V5vKPyLylze70wi3BEmqz:8vm1AeT7BVwxfvLFwjRqz
TLSH
T1EB831843B752C581F28AA275688387B96653FD30AF027A075164FF3F3AB39614E51F22
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

vilsel defense_evasion discovery trojan upx

Static task

static1

4 signatures

upx trojan vilsel

Behavioral task

behavioral1

Sample

37a4f7e2b3f8dc2d8c526c25d6139254c0db5d80f4eaea4f30905b65a4b14bca.exe

Resource

win10v2004-20260513-en

windows10-2004-x64

14 signatures

150 seconds

defense_evasion discovery vilsel trojan upx

Behavioral task

behavioral2

Sample

37a4f7e2b3f8dc2d8c526c25d6139254c0db5d80f4eaea4f30905b65a4b14bca.exe

Resource

win11ltsc2024-20260709-en

windows11-ltsc_2024-x64

14 signatures

150 seconds

defense_evasion discovery vilsel trojan upx

Malware Config

Targets

- Target
  37a4f7e2b3f8dc2d8c526c25d6139254c0db5d80f4eaea4f30905b65a4b14bca
- Size 86KB
- SHA256 37a4f7e2b3f8dc2d8c526c25d6139254c0db5d80f4eaea4f30905b65a4b14bca
- MD5 35ba9b2f8d8723ec1ae09504c6222e46
- SHA1 bfa8b17bfdbbfc487b31290ae8dff5c2bc17fbca
- SHA512 cfd0ed2bf9e5e8f13f551c083d8df156ed6a6310fca3dcb3ccc3d13adb5abe0b02202309adb8bf890e2f9fe2e98d6d091340112620d8f7a25991727fb53e454e
- SSDEEP 768:8qnum1opQNwC3BESe4Vqth+0V5vKPyLylze70wi3BEmqz:8vm1AeT7BVwxfvLFwjRqz
- TLSH
  T1EB831843B752C581F28AA275688387B96653FD30AF027A075164FF3F3AB39614E51F22
- MD5 SHA1 SHA512 SSDEEP TLSH
Score

10^/10

defense_evasion discovery vilsel trojan upx
- Detects Vilsel trojan
- Family: Vilsel
  Vilsel is a trojan written in VisualBasic.
  trojan vilsel
- Modifies visibility of file extensions in Explorer
  defense_evasion
- Executes dropped EXE
- Network Share Discovery
  Attempt to gather information on host network.
  discovery
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Network Share Discovery

System Information Discovery

System Location Discovery

System Language Discovery

System Network Configuration Discovery

Internet Connection Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

upxtrojanvilsel

behavioral1

defense_evasiondiscoveryvilseltrojanupx

behavioral2

defense_evasiondiscoveryvilseltrojanupx

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