b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35

General

Target

b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35.dll
Size

1.2MB
MD5

c6aabb27450f1a9939a417e86bf53217
SHA1

b8ef3bb7575139fd6997379415d7119e452b5fc4
SHA256

b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35
SHA512

e5fe205cb0f419e0a320488d6fa4a70e5ed58f25b570b41412ebd4f32bbe504ff75acb20bfea22513102630cf653a41e5090051f20af2ed3aadb53ce16a05944
SSDEEP

24576:BO//kL3TtMhQsnoXyajMK8fCZEqcAxQBuLv8YPKpTG:z3pMhQzRM3MfcAxHv8t

Score

8^/10

credential_access discovery execution persistence privilege_escalation spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	1740	rundll32.exe
5	1740	rundll32.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2760	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
2324	netsh.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
1740	rundll32.exe
2760	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2324	1740	rundll32.exe	30
PID 1740 wrote to memory of 2324	1740	rundll32.exe	30
PID 1740 wrote to memory of 2324	1740	rundll32.exe	30
PID 1740 wrote to memory of 2760	1740	rundll32.exe	33
PID 1740 wrote to memory of 2760	1740	rundll32.exe	33
PID 1740 wrote to memory of 2760	1740	rundll32.exe	33

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b91a3743c7399aee454491862e015ef6fc668a25d1aa2816e065a86a03f6be35.dll,#1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\system32\netsh.exe
  netsh wlan show profiles
  2⤵
  - Event Triggered Execution: Netsh Helper DLL
  - System Network Configuration Discovery: Wi-Fi Discovery
  PID:2324
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\692679935401_Desktop.zip' -CompressionLevel Optimal
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2760-5-0x000000001B310000-0x000000001B5F2000-memory.dmp

Filesize
2.9MB

Download
memory/2760-6-0x0000000001FC0000-0x0000000001FC8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads