servhelper | b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80 | Triage

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Reports

Overview

overview

Static

static

3

b32f96217e...80.exe

windows7-x64

b32f96217e...80.exe

windows10-2004-x64

Sharing

General

Target

b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80
Size

6.7MB
Sample

240410-qwbm8she53
MD5

2b6ad7f446fe56f8bb5438a4784afe78
SHA1

15f5584e569668013548b2f27a417a6482c9317f
SHA256

b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80
SHA512

160537e84ecc2694b514482b95dd70c03abc4580de2cd6f2ae38d332bf4446cbbf9a66676be87a8f4ca25b68be5533342af1d6ebde33577a0aff6a3004800bee
SSDEEP

98304:gOOles66ycm4i+stzTTOzAElMLmZ7oo8kTApKGaRqc4O1XujlqEBLMkqzEoe:Ns6cizZTTLmxoQT7RRq4ujlBBTqz3

Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx

Static task

static1

1 signatures

Behavioral task

behavioral1

Sample

b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe

Resource

win7-20240221-en

servhelper backdoor discovery exploit persistence trojan upx

windows7-x64

20 signatures

150 seconds

Behavioral task

behavioral2

Sample

b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80.exe

Resource

win10v2004-20231215-en

servhelper backdoor discovery exploit persistence trojan upx

windows10-2004-x64

22 signatures

150 seconds

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Targets

- Target
  
  b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80
- Size
  
  6.7MB
- MD5
  
  2b6ad7f446fe56f8bb5438a4784afe78
- SHA1
  
  15f5584e569668013548b2f27a417a6482c9317f
- SHA256
  
  b32f96217e69b983264075a884c789bbb59b04995f5468c2c6a54d9385d13a80
- SHA512
  
  160537e84ecc2694b514482b95dd70c03abc4580de2cd6f2ae38d332bf4446cbbf9a66676be87a8f4ca25b68be5533342af1d6ebde33577a0aff6a3004800bee
- SSDEEP
  
  98304:gOOles66ycm4i+stzTTOzAElMLmZ7oo8kTApKGaRqc4O1XujlqEBLMkqzEoe:Ns6cizZTTLmxoQT7RRq4ujlBBTqz3
Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx
- ServHelper
  ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
  trojan backdoor servhelper
- Grants admin privileges
  Uses net.exe to modify the user's privileges.
- Blocklisted process makes network request
- Modifies RDP port number used by Windows
- Possible privilege escalation attempt
  exploit
- Sets DLL path for service in the registry
  persistence
- Loads dropped DLL
- Modifies file permissions
  discovery
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Legitimate hosting services abused for malware hosting/C2
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Account Manipulation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Modify Registry

File and Directory Permissions Modification

Credential Access

Discovery

System Information Discovery

Lateral Movement

Remote Services

Remote Desktop Protocol

Collection

Exfiltration

Command and Control

Web Service

Impact

Resource Development

Reconnaissance

Tasks

static1

behavioral1

servhelperbackdoordiscoveryexploitpersistencetrojanupx

behavioral2

servhelperbackdoordiscoveryexploitpersistencetrojanupx

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