1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477

Analysis

max time kernel
141s
max time network
130s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 07:34

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General

Target

1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe
Size

195KB
MD5

98519f5cf4388824d8a8276e3794c2a9
SHA1

01fe0c9271b9926556143adee07af46d6d27e62e
SHA256

1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477
SHA512

03c60d4f6cbce7434f07344fdac4e9595ca389e6760ba4a751bf3db66828c57c93141122dfb0b8723ec39c230e29047233a2072d8ca14c9087714ddc9c4ef256
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCO8:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXF

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2000	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1676	iuyhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\iuyhost.exe	1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe
File opened for modification	C:\Windows\Debug\iuyhost.exe	1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.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	1316	1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2000	1316	1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe	29
PID 1316 wrote to memory of 2000	1316	1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe	29
PID 1316 wrote to memory of 2000	1316	1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe	29
PID 1316 wrote to memory of 2000	1316	1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe	29

C:\Users\Admin\AppData\Local\Temp\1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe
"C:\Users\Admin\AppData\Local\Temp\1001ec2abbce0a19598115a85e07763ff6c89a5a7a677cfa83b250f7b5bd1477.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\1001EC~1.EXE > nul
  2⤵
  - Deletes itself
  PID:2000

C:\Windows\Debug\iuyhost.exe
C:\Windows\Debug\iuyhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:1676

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
195KB

MD5
ceb502ee2b3ad37493b29f8eebc82fba

SHA1
e15c1e5234c8817cfab80e0760583d32fa442e93

SHA256
467b5b46d26e2434e651730afab9a331ab4a46148211f06206a03579fa421242

SHA512
1e9eb8db9463fe4169a8bee1389970acb36bda4ad42c8fc01200074e3c691c9c950c3fd5b11b74eb6b792d520c3277722dabb3b0e231d3046e503c40e85a08a0

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