deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1

Analysis

max time kernel
142s
max time network
131s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
13/10/2023, 03:27

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General

Target

deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe
Size

198KB
MD5

5e58df9889d5529a7d0f99e689f4897e
SHA1

44b47008d2f4f79c9af013cdc6dec29e21d49589
SHA256

deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1
SHA512

39843678cc1bc5de2ce0944f271c4362e051d45f8f0f4101cd67f36591459a25ff0ee788b8c0456f19cbd01f2b67d3d534ede39eeccfc0b2a92dc10a650ee561
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCO7:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXC

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2752	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	iuyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\iuyhost.exe	deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe
File opened for modification	C:\Windows\Debug\iuyhost.exe	deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.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	2688	deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2752	2688	deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe	29
PID 2688 wrote to memory of 2752	2688	deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe	29
PID 2688 wrote to memory of 2752	2688	deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe	29
PID 2688 wrote to memory of 2752	2688	deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe	29

C:\Users\Admin\AppData\Local\Temp\deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe
"C:\Users\Admin\AppData\Local\Temp\deb2e32e0cf38b6a205ffdb227888bf26ccedf67062f9c63a6936fbd2eb59ce1.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DEB2E3~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2752

C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2060

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
198KB

MD5
613ab16318d913070992f837dd764ba5

SHA1
e7c209c3042948f57b7c1952162c06d0eb75ce52

SHA256
9cc8cd5a03b40ab60766e5de3c98dcf5024ef43fba3c90f86c2794e3021fdb59

SHA512
2997e443ab14c67b361ae2cba07e8e01921a935b1217749367e3d635781a2da46049533f8c5cf2a68feba08e174a43271790ca824e4cb08627178945c0e79d04

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