acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe

Analysis

max time kernel
142s
max time network
129s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 20:20

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General

Target

acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe
Size

198KB
MD5

89500cdadef3dc9d8ad2b484e2dcfb7b
SHA1

e9fc2bfb510bfa4648255cb85c69dae012bbcbcd
SHA256

acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe
SHA512

93ab8388c62923df81272d7bf713ddb887a425413af710f63bb910c2e48f6d615889e4cd269450240c5ea7e03591d8933e785d0da7fe6eeb1707d4ace5b85f01
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOD:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXC

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2748	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	iuyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\iuyhost.exe	acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe
File opened for modification	C:\Windows\Debug\iuyhost.exe	acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	iuyhost.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	iuyhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2624	acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2748	2624	acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe	29
PID 2624 wrote to memory of 2748	2624	acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe	29
PID 2624 wrote to memory of 2748	2624	acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe	29
PID 2624 wrote to memory of 2748	2624	acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe	29

C:\Users\Admin\AppData\Local\Temp\acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe
"C:\Users\Admin\AppData\Local\Temp\acdfbe28044c907d692e4d13f5a1953301fca5a32a0ade30bad09c4e72d181fe.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\ACDFBE~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2748

C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2736

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\iuyhost.exe

Filesize
198KB

MD5
401d34af0f067b21eef8fd85a94e6663

SHA1
6d507438847f76e47ab0fad7fa734be9b558c105

SHA256
80aaec26a2cc6107af64dda32d45a7d93872231036fee070d21ca395352b827e

SHA512
6d7fbd7be73f8fc17ee9d6d60ff98c929af325e2fedc4f606de80b07e4bf34a605ed3f44d9dc31d79d43604b54156a8faf96f8861f3c5ef0fc8c87f5b4ff16c3

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

Filesize
198KB

MD5
401d34af0f067b21eef8fd85a94e6663

SHA1
6d507438847f76e47ab0fad7fa734be9b558c105

SHA256
80aaec26a2cc6107af64dda32d45a7d93872231036fee070d21ca395352b827e

SHA512
6d7fbd7be73f8fc17ee9d6d60ff98c929af325e2fedc4f606de80b07e4bf34a605ed3f44d9dc31d79d43604b54156a8faf96f8861f3c5ef0fc8c87f5b4ff16c3

Download Submit