daa51f40083f7c3204968c1e3eb3de074f45cecb492a093a3e9991844be960e9

Analysis

max time kernel
145s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 19:04

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General

Target

090fa96a61d82425fda2e53fcc9ed090_NEAS.exe
Size

134KB
MD5

090fa96a61d82425fda2e53fcc9ed090
SHA1

87a9463dd44bae1c46a4282e50b13db963a7be36
SHA256

daa51f40083f7c3204968c1e3eb3de074f45cecb492a093a3e9991844be960e9
SHA512

9765c1ec4ee307c902d866adf534eb9567ed8bbc237a55ecd60f73d83b9df3ead9a56fb2a6e26441a91efabbe37eb7a1b37f1ee20a1db997143a46f50d4353ee
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOS:YfU/WF6QMauSuiWNi9eNOl0007NZIOS

Score

7^/10

persistence upx

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-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe

Executes dropped EXE 1 IoCs

pid	Process
4676	wuauclt.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1636-0-0x00000000006A0000-0x00000000006C8000-memory.dmp	upx
behavioral2/files/0x000b000000023bb1-3.dat	upx
behavioral2/memory/4676-5-0x0000000000AF0000-0x0000000000B18000-memory.dmp	upx
behavioral2/memory/1636-6-0x00000000006A0000-0x00000000006C8000-memory.dmp	upx
behavioral2/memory/4676-7-0x0000000000AF0000-0x0000000000B18000-memory.dmp	upx
behavioral2/memory/1636-8-0x00000000006A0000-0x00000000006C8000-memory.dmp	upx

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"	090fa96a61d82425fda2e53fcc9ed090_NEAS.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 1636 wrote to memory of 4676	1636	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	84
PID 1636 wrote to memory of 4676	1636	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	84
PID 1636 wrote to memory of 4676	1636	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	84
PID 1636 wrote to memory of 4540	1636	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	99
PID 1636 wrote to memory of 4540	1636	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	99
PID 1636 wrote to memory of 4540	1636	090fa96a61d82425fda2e53fcc9ed090_NEAS.exe	99

C:\Users\Admin\AppData\Local\Temp\090fa96a61d82425fda2e53fcc9ed090_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\090fa96a61d82425fda2e53fcc9ed090_NEAS.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1636
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4676
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\090fa96a61d82425fda2e53fcc9ed090_NEAS.exe" >> NUL
  2⤵
  PID:4540

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

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Downloads

C:\ProgramData\Update\wuauclt.exe

Filesize
134KB

MD5
36cf186293147eed5cfbc908eaf0c508

SHA1
dc6cb47b8f578abc15149039b9f0f0e8d90f03ca

SHA256
632a004a995f6d4bd2963944325233da89cf566af3d7c5536c1e7471e81a115b

SHA512
3c6a35deef01bc55f3a728f495f00e81e630bb6f53ed8d014a1c1dd479fdedd38b3afa85095cc4486402c53e0aac4d2f66d91568acdeaba1bb90a6fba47a13f9

Download Submit
memory/1636-0-0x00000000006A0000-0x00000000006C8000-memory.dmp

Filesize
160KB

Download
memory/1636-6-0x00000000006A0000-0x00000000006C8000-memory.dmp

Filesize
160KB

Download
memory/1636-8-0x00000000006A0000-0x00000000006C8000-memory.dmp

Filesize
160KB

Download
memory/4676-5-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download
memory/4676-7-0x0000000000AF0000-0x0000000000B18000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads