7bf5623f0a10dfa148a35bebd899b7758612f1693d2a9910f716cf15a921a76a

Analysis

max time kernel
432s
max time network
441s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
12-03-2024 20:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Rensenware.exe
Size

96KB
MD5

60335edf459643a87168da8ed74c2b60
SHA1

61f3e01174a6557f9c0bfc89ae682d37a7e91e2e
SHA256

7bf5623f0a10dfa148a35bebd899b7758612f1693d2a9910f716cf15a921a76a
SHA512

b4e5e4d4f0b4a52243d6756c66b4fe6f4b39e64df7790072046e8a3dadad3a1be30b8689a1bab8257cc35cb4df652888ddf62b4e1fccb33e1bbf1f5416d73efb
SSDEEP

3072:kGXc7vE4k8sWJnmiWpJtCkGwJ1ED7qztG:RXD8sWBmiW0wX6Gx

Score

7^/10

spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 2 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

Checks processor information in registry 2 TTPs 7 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeBackupPrivilege	1052	dw20.exe
Token: SeBackupPrivilege	1052	dw20.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 1052	1416	Rensenware.exe	80
PID 1416 wrote to memory of 1052	1416	Rensenware.exe	80

C:\Users\Admin\AppData\Local\Temp\Rensenware.exe
"C:\Users\Admin\AppData\Local\Temp\Rensenware.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
  dw20.exe -x -s 848
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1416-0-0x000000001C010000-0x000000001C4DE000-memory.dmp

Filesize
4.8MB

Download
memory/1416-1-0x00007FFF05A30000-0x00007FFF063D1000-memory.dmp

Filesize
9.6MB

Download
memory/1416-2-0x000000001C4E0000-0x000000001C57C000-memory.dmp

Filesize
624KB

Download
memory/1416-3-0x0000000000FD0000-0x0000000000FE0000-memory.dmp

Filesize
64KB

Download
memory/1416-8-0x00007FFF05A30000-0x00007FFF063D1000-memory.dmp

Filesize
9.6MB

Download
memory/1416-32-0x00007FFF05A30000-0x00007FFF063D1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads