Malware Analysis Report

2025-01-18 05:04

Sample ID 241127-12545ssqbs
Target 22393316943847.dll
SHA256 ab99f9d1373ce28cbd2330dd1fac6afc986bbd0bd016c5c3ef231f256406041b
Tags
strela stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ab99f9d1373ce28cbd2330dd1fac6afc986bbd0bd016c5c3ef231f256406041b

Threat Level: Known bad

The file 22393316943847.dll was found to be: Known bad.

Malicious Activity Summary

strela stealer

Strela stealer

Detects Strela Stealer payload

Strela family

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-27 22:09

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-27 22:09

Reported

2024-11-27 22:12

Platform

win7-20241023-en

Max time kernel

121s

Max time network

122s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\22393316943847.dll

Signatures

Detects Strela Stealer payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Strela family

strela

Strela stealer

stealer strela

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\22393316943847.dll

Network

N/A

Files

memory/2824-1-0x0000000001DD0000-0x0000000001E33000-memory.dmp

memory/2824-0-0x0000000001DD0000-0x0000000001E33000-memory.dmp

memory/2824-2-0x0000000001DD0000-0x0000000001E33000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 22:09

Reported

2024-11-27 22:13

Platform

win10v2004-20241007-en

Max time kernel

229s

Max time network

203s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\22393316943847.dll

Signatures

Detects Strela Stealer payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Strela family

strela

Strela stealer

stealer strela

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1932 wrote to memory of 2316 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 1932 wrote to memory of 2316 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 1932 wrote to memory of 4604 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe
PID 1932 wrote to memory of 4604 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\22393316943847.dll

C:\Windows\system32\cmd.exe

"C:\Windows\system32\cmd.exe"

C:\Windows\System32\rundll32.exe

C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding

C:\Windows\system32\regsvr32.exe

regsvr32

C:\Windows\system32\regsvr32.exe

regsvr32 22393316943847.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 106.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp

Files

memory/1276-0-0x0000000002130000-0x0000000002193000-memory.dmp

memory/1276-1-0x0000000002130000-0x0000000002193000-memory.dmp

memory/1276-3-0x0000000002130000-0x0000000002193000-memory.dmp

memory/4604-4-0x0000000001E30000-0x0000000001E93000-memory.dmp

memory/4604-5-0x0000000001E30000-0x0000000001E93000-memory.dmp