452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea

Analysis

max time kernel
151s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
10/10/2023, 20:46

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General

Target

452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe
Size

199KB
MD5

9d6159b75fb264b9a9e5b07c4927f09d
SHA1

e1aefbc9440b62fc12be300c7ca28beea77df7e3
SHA256

452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea
SHA512

c9171b1073af112843d57d72ec99b9ced110a7e5c8b4b5ce477e23559565e665ef929be0b2fe7135073097928a89bd1487c81e022eb03a2079180b329e24f529
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOb:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXm

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-1-5-21-2890696111-2332180956-3312704074-1000\Control Panel\International\Geo\Nation	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe

Executes dropped EXE 1 IoCs

pid	Process
4560	eiyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\eiyhost.exe	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe
File opened for modification	C:\Windows\Debug\eiyhost.exe	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.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	eiyhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	eiyhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3560	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 1956	3560	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe	87
PID 3560 wrote to memory of 1956	3560	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe	87
PID 3560 wrote to memory of 1956	3560	452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe	87

C:\Users\Admin\AppData\Local\Temp\452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe
"C:\Users\Admin\AppData\Local\Temp\452efcec0b6b70452260e644945af75631ecd9d8388b27651a452c9fdf383fea.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\452EFC~1.EXE > nul
  2⤵
  PID:1956

C:\Windows\Debug\eiyhost.exe
C:\Windows\Debug\eiyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4560

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\eiyhost.exe

Filesize
199KB

MD5
c843cb7e3e9193164a1fd3996d252c71

SHA1
5bba094a8d0645ed99ca4654bb0ef9428fe94dec

SHA256
acdfec9f8e9acb864db5ce0c67a74aa9ea6ed5621d10b584ea81609633ac2d83

SHA512
30cf7b323465bd03ba271225f79580cffbcbd069cb53d1dd8e8fcae67b0983769a8cc89b96306fec65fb5e721d2839f7abb42246523ec386601690029833f3a6

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

Filesize
199KB

MD5
c843cb7e3e9193164a1fd3996d252c71

SHA1
5bba094a8d0645ed99ca4654bb0ef9428fe94dec

SHA256
acdfec9f8e9acb864db5ce0c67a74aa9ea6ed5621d10b584ea81609633ac2d83

SHA512
30cf7b323465bd03ba271225f79580cffbcbd069cb53d1dd8e8fcae67b0983769a8cc89b96306fec65fb5e721d2839f7abb42246523ec386601690029833f3a6

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads