c154ec2d62ecbdab62fd4fdf97157ff93efbc1640871a68bca38e43dad55d2b4

Analysis

max time kernel
143s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11/05/2023, 18:52

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General

Target

WLANOptimizer.exe
Size

106KB
MD5

e998f77c0943056319a6a46c330606a4
SHA1

f69f38d17a6b97d75a479d584d07e49fa43bf29d
SHA256

c154ec2d62ecbdab62fd4fdf97157ff93efbc1640871a68bca38e43dad55d2b4
SHA512

484424d5edb1574e0f5aef981995dc852ba277a3dfbeb9542aabe56cf4b8a7df8e4a75742829399d63278d328616f39d8df780f1e57f89930848515b228dfb28
SSDEEP

1536:5/tmdEb3KQHXPUel8WV17Mq4ahXu/nNPzzlK9HXXCUc1Wm/nps8F7Yq8Ih:3mMvqq4fnNQXCrWm/npsMp

Score

4^/10

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

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

description	ioc	Process
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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	4480	dw20.exe
Token: SeBackupPrivilege	4480	dw20.exe
Token: SeBackupPrivilege	4480	dw20.exe
Token: SeBackupPrivilege	4480	dw20.exe
Token: SeBackupPrivilege	4480	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 4480	448	WLANOptimizer.exe	82
PID 448 wrote to memory of 4480	448	WLANOptimizer.exe	82
PID 448 wrote to memory of 4480	448	WLANOptimizer.exe	82

C:\Users\Admin\AppData\Local\Temp\WLANOptimizer.exe
"C:\Users\Admin\AppData\Local\Temp\WLANOptimizer.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:448
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 916
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4480

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/448-133-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads