55b178cd4853cc84ffdf427f0c500ec92ae7eacc984e06e34504e5bd0236750d

Analysis

max time kernel
147s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2023 08:38

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General

Target

NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe
Size

101KB
MD5

bb5e0b8b3d48cf627fd5a7a479273510
SHA1

348582265cee48ba2fd687689552f743d87a7abd
SHA256

55b178cd4853cc84ffdf427f0c500ec92ae7eacc984e06e34504e5bd0236750d
SHA512

78f8e7cf352bba7370704e5b7062c0a9c489222a064491823c5343445c86694e34149d915eaad5972d4443556038e80314bf6c7c9ad553a9702949195227dfde
SSDEEP

1536:0GYU/W2+HG6lMauSV3ixJHABLrmhH7i9CO+WHg7zRZICrWaGZh7x:0fU/WQ6lMauSuiWNi9CO+WARJrWNZH

Score

7^/10

persistence

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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	wuauclt.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 2760	4076	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe	96
PID 4076 wrote to memory of 2760	4076	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe	96
PID 4076 wrote to memory of 2760	4076	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe	96
PID 4076 wrote to memory of 5036	4076	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe	109
PID 4076 wrote to memory of 5036	4076	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe	109
PID 4076 wrote to memory of 5036	4076	NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe	109

C:\Users\Admin\AppData\Local\Temp\NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4076
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2760
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\NEAS.bb5e0b8b3d48cf627fd5a7a479273510.exe" >> NUL
  2⤵
  PID:5036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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:\ProgramData\Update\wuauclt.exe

Filesize
101KB

MD5
2f406fa40251c037d29ec15dfed33177

SHA1
5ba6d2a5decb9e303e690e5741e2c189ec210a62

SHA256
28ab73eb1a8edff53ddd0cdefe03c52a7c5be7787c5ad6b6a754c1597752fc6f

SHA512
d756a483189724bf2e9cf0bb7208595df3cb11d1e3219c38f8192e482d005dbeb1acf41567510d99cdde7abdbe6877cc75f25fbb8da2ee1819d0eb63331824e9

Download Submit
C:\ProgramData\Update\wuauclt.exe

Filesize
101KB

MD5
2f406fa40251c037d29ec15dfed33177

SHA1
5ba6d2a5decb9e303e690e5741e2c189ec210a62

SHA256
28ab73eb1a8edff53ddd0cdefe03c52a7c5be7787c5ad6b6a754c1597752fc6f

SHA512
d756a483189724bf2e9cf0bb7208595df3cb11d1e3219c38f8192e482d005dbeb1acf41567510d99cdde7abdbe6877cc75f25fbb8da2ee1819d0eb63331824e9

Download Submit
memory/2760-6-0x00000000005E0000-0x00000000005FF000-memory.dmp

Filesize
124KB

Download
memory/2760-7-0x00000000005E0000-0x00000000005FF000-memory.dmp

Filesize
124KB

Download
memory/4076-0-0x00000000002A0000-0x00000000002BF000-memory.dmp

Filesize
124KB

Download
memory/4076-1-0x00000000002A0000-0x00000000002BF000-memory.dmp

Filesize
124KB

Download
memory/4076-8-0x00000000002A0000-0x00000000002BF000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads