6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c

Analysis

max time kernel
155s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2023, 20:19

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General

Target

6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe
Size

198KB
MD5

6dc077f6cde1f1e6f35887fa573b1ec8
SHA1

318af054832a56a007bf23554627138029a80edb
SHA256

6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c
SHA512

818d1282f370643f932788cf0b4bf4046df8685bb0a091a4054a3cbd68c0f7d3a15a5c0868ce72c8c4a36d980beb810040d8e39111d303792440435be71c4425
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOb:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXG

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-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation	6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	uauhost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\uauhost.exe	6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe
File opened for modification	C:\Windows\Debug\uauhost.exe	6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.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	uauhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	uauhost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3852	6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3852 wrote to memory of 1312	3852	6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe	87
PID 3852 wrote to memory of 1312	3852	6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe	87
PID 3852 wrote to memory of 1312	3852	6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe	87

C:\Users\Admin\AppData\Local\Temp\6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe
"C:\Users\Admin\AppData\Local\Temp\6bf83fc38fe77f3f7c1da196dadc6230ce678540344b9f7eadfc972f6292106c.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3852
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\6BF83F~1.EXE > nul
  2⤵
  PID:1312

C:\Windows\Debug\uauhost.exe
C:\Windows\Debug\uauhost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:5076

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\uauhost.exe

Filesize
198KB

MD5
2673937a8652032269bd505379ff6e69

SHA1
2408b6efc4af3c58ecbb61f419d6dd0356d4ed4d

SHA256
4c9693ca003d20fa4734bbe0c14ffbdc8b5051b6fa6957a549fdfc66e427c585

SHA512
e8834528af559e4bfb4effead3d9cc2ddc07b1ae02e60d8f53a06d584f84720e1aa7b03af5264f152ec9b08e1f4ea7cebf7bdb4dc106d365accf92aa6b226f67

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

Filesize
198KB

MD5
2673937a8652032269bd505379ff6e69

SHA1
2408b6efc4af3c58ecbb61f419d6dd0356d4ed4d

SHA256
4c9693ca003d20fa4734bbe0c14ffbdc8b5051b6fa6957a549fdfc66e427c585

SHA512
e8834528af559e4bfb4effead3d9cc2ddc07b1ae02e60d8f53a06d584f84720e1aa7b03af5264f152ec9b08e1f4ea7cebf7bdb4dc106d365accf92aa6b226f67

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads