026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3

Analysis

max time kernel
173s
max time network
200s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
08-05-2022 07:29

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General

Target

026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3.exe
Size

15.0MB
MD5

35ecc52f8d324f88c65432ca49d6f223
SHA1

4102ef0264dac3521052e1acb32bca0c12162cae
SHA256

026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3
SHA512

e91092fc235acda0f9d71e3867f11b3c237627aa69049a8588b3466e3efb09663eab11f046e56f9b87aaa988322c0e1d8ea1278565624c152922da8972e1a50a

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

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

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

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

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

dw20.exe

description	pid	Process
Token: SeRestorePrivilege	5104	dw20.exe
Token: SeBackupPrivilege	5104	dw20.exe
Token: SeBackupPrivilege	5104	dw20.exe
Token: SeBackupPrivilege	5104	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3.exe

description	pid	Process	procid_target
PID 2496 wrote to memory of 5104	2496	026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3.exe	82
PID 2496 wrote to memory of 5104	2496	026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3.exe	82
PID 2496 wrote to memory of 5104	2496	026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3.exe	82

C:\Users\Admin\AppData\Local\Temp\026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3.exe
"C:\Users\Admin\AppData\Local\Temp\026beaf36cb34931a5e173f71873b451ef43a889c1c09aa0b071641c6c3345d3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1128
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:5104

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2496-130-0x0000000074D70000-0x0000000075321000-memory.dmp

Filesize
5.7MB

Download
memory/5104-131-0x0000000000000000-mapping.dmp

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