499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d

Analysis

max time kernel
156s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2023, 12:02

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General

Target

499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe
Size

198KB
MD5

2c8e1985e6d94736175ad40b99b5c834
SHA1

ae275f822db435ade867d25c60a8edbdf0065c05
SHA256

499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d
SHA512

85a6de7fd3f0804541cfe1a8024c7cf1a6ab3647c2502ad253490ce8e2f5df07a06745a1f877ee3f7b8c92754c8f8fcc360a86b53deaa64b3e88f506073d69aa
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOs:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXp

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	mewhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\mewhost.exe	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe
File opened for modification	C:\Windows\Debug\mewhost.exe	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 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	mewhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	mewhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1756	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 3016	1756	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe	84
PID 1756 wrote to memory of 3016	1756	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe	84
PID 1756 wrote to memory of 3016	1756	499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe	84

C:\Users\Admin\AppData\Local\Temp\499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe
"C:\Users\Admin\AppData\Local\Temp\499573f6ee88bc297a153dd1efa9860cd0a418c873b6cc3ccda469d82dea302d.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\499573~1.EXE > nul
  2⤵
  PID:3016

C:\Windows\Debug\mewhost.exe
C:\Windows\Debug\mewhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Windows\Debug\mewhost.exe

Filesize
198KB

MD5
101232aa38ab30e833f3a4793a39e591

SHA1
2c85135d8392e770950931dace34ef3b71b244a1

SHA256
863bfda02538cac5fc64023f7c2ce7f0eca12de3deea10133bada28feadbe535

SHA512
22efa2d9edfcb0fbec877dc306cad620cc8f94ad0c7364425bdea986e5685a33a90b12258d21a2bf85f4b3fee6ef499b83d023490e7cc4408001d360bee1063b

Download Submit
C:\Windows\debug\mewhost.exe

Filesize
198KB

MD5
101232aa38ab30e833f3a4793a39e591

SHA1
2c85135d8392e770950931dace34ef3b71b244a1

SHA256
863bfda02538cac5fc64023f7c2ce7f0eca12de3deea10133bada28feadbe535

SHA512
22efa2d9edfcb0fbec877dc306cad620cc8f94ad0c7364425bdea986e5685a33a90b12258d21a2bf85f4b3fee6ef499b83d023490e7cc4408001d360bee1063b

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads