196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05

Analysis

max time kernel
143s
max time network
130s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01-10-2023 04:20

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General

Target

196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe
Size

199KB
MD5

0390c24c81550e429e89734e3cdc208b
SHA1

2c762955be7147c1335f85b990cf2f0aee06636c
SHA256

196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05
SHA512

bd4313986328394942184363c8807c6a6962f56eb50d6d0590e526247c8dba466c01f744878066ed72ba660a70f28d4696376f24291652caa15ed6aca7d86a68
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOo:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXX1

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2572	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2296	iuyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Debug\iuyhost.exe	196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe
File created	C:\Windows\Debug\iuyhost.exe	196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.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	iuyhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	iuyhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2080	196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2572	2080	196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe	29
PID 2080 wrote to memory of 2572	2080	196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe	29
PID 2080 wrote to memory of 2572	2080	196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe	29
PID 2080 wrote to memory of 2572	2080	196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe	29

C:\Users\Admin\AppData\Local\Temp\196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe
"C:\Users\Admin\AppData\Local\Temp\196d5ee8ae6467ac61f7a9a9ab8e6143fcfaddf7bf9b703206d7bb611e940b05.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\196D5E~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2572

C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2296

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

Replay Monitor

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Downloads

C:\Windows\debug\iuyhost.exe

Filesize
199KB

MD5
83692940ec7bc3259f9c09e874c1a1fd

SHA1
cc22dda7a95f6876b1f642cdb4a04b6e051f7812

SHA256
54baf1fee133b0788fa49154dae1afeef4fd2e41df91f95d7b306503cdf3b2da

SHA512
d29e6055dd1f24fff5403b5443396b61c20ae567694afa2c9e0224fdb42fed3a4f6ad2d7bed451c9abcafc3e76b632cd8a7ef466e5246b5144ea8ca301ec4562

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