1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07

Analysis

max time kernel
151s
max time network
169s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 06:39

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General

Target

1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe
Size

197KB
MD5

69d796815b29b2b88ac5efce8949d86b
SHA1

4a9d40084dd68ac2e5b70b9abc9d2e5191096768
SHA256

1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07
SHA512

8b49120e5b4a02211752f112b2e75f24ab4c1d5b562d8225b6e344063cc128386b11d35535e61ada9601593f7416b206a51369c2453ed1082d3cfbf8b07ba177
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOl:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX4

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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe

Executes dropped EXE 1 IoCs

pid	Process
4792	eiyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\eiyhost.exe	1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe
File opened for modification	C:\Windows\Debug\eiyhost.exe	1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.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	1696	1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 4916	1696	1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe	90
PID 1696 wrote to memory of 4916	1696	1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe	90
PID 1696 wrote to memory of 4916	1696	1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe	90

C:\Users\Admin\AppData\Local\Temp\1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe
"C:\Users\Admin\AppData\Local\Temp\1b2484d5608e897bf682bd589521e9f64524c640649f37b6253ae27bb1ea2a07.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\1B2484~1.EXE > nul
  2⤵
  PID:4916

C:\Windows\Debug\eiyhost.exe
C:\Windows\Debug\eiyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4792

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
197KB

MD5
0da94866eea5655917d8ea78fa6f8ac4

SHA1
831ce92946e8a6c43acc53ad5bb8decf16d0e6d6

SHA256
80901f5d315443711b4e4b3a344c6e3fd52f4318b00aa5effcafc8926d17c722

SHA512
df1e38e28ac2f969abe451a52dca22c22bd4e99a82a6af2977a59f2354860a89477e3271736103f72bac697a1f5a5252414a0b44733489f3a91be3215b1325a3

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads