97fa20a883473d4db7d7bf070ea6e4d8f29d919b9b02b63cc6a8f33ec1a67c85

Analysis

max time kernel
133s
max time network
104s
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, 03:31

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General

Target

5c1e15c9f15b45878a7c3484632623c0_NEAS.exe
Size

134KB
MD5

5c1e15c9f15b45878a7c3484632623c0
SHA1

56974e51ef36a2c3529d8631bc2f0b5925f492e3
SHA256

97fa20a883473d4db7d7bf070ea6e4d8f29d919b9b02b63cc6a8f33ec1a67c85
SHA512

06fba2809260a80bacbc90ace8f4ea9837bea0cb2cfb04ea91cb4530ee489cecbe1d8e2ff753c4c2dccac191a773d6018d9f28fc5b468e4f643f7e9a12a210a0
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOH:YfU/WF6QMauSuiWNi9eNOl0007NZIOH

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-1-5-21-3411335054-1982420046-2118495756-1000\Control Panel\International\Geo\Nation	5c1e15c9f15b45878a7c3484632623c0_NEAS.exe

Executes dropped EXE 1 IoCs

pid	Process
4216	wuauclt.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2164-0-0x00000000003C0000-0x00000000003E8000-memory.dmp	upx
behavioral2/files/0x000b000000023b6f-3.dat	upx
behavioral2/memory/4216-4-0x00000000007E0000-0x0000000000808000-memory.dmp	upx
behavioral2/memory/2164-6-0x00000000003C0000-0x00000000003E8000-memory.dmp	upx
behavioral2/memory/4216-7-0x00000000007E0000-0x0000000000808000-memory.dmp	upx
behavioral2/memory/2164-8-0x00000000003C0000-0x00000000003E8000-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"	5c1e15c9f15b45878a7c3484632623c0_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 2164 wrote to memory of 4216	2164	5c1e15c9f15b45878a7c3484632623c0_NEAS.exe	84
PID 2164 wrote to memory of 4216	2164	5c1e15c9f15b45878a7c3484632623c0_NEAS.exe	84
PID 2164 wrote to memory of 4216	2164	5c1e15c9f15b45878a7c3484632623c0_NEAS.exe	84
PID 2164 wrote to memory of 3052	2164	5c1e15c9f15b45878a7c3484632623c0_NEAS.exe	102
PID 2164 wrote to memory of 3052	2164	5c1e15c9f15b45878a7c3484632623c0_NEAS.exe	102
PID 2164 wrote to memory of 3052	2164	5c1e15c9f15b45878a7c3484632623c0_NEAS.exe	102

C:\Users\Admin\AppData\Local\Temp\5c1e15c9f15b45878a7c3484632623c0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\5c1e15c9f15b45878a7c3484632623c0_NEAS.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2164
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4216
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\5c1e15c9f15b45878a7c3484632623c0_NEAS.exe" >> NUL
  2⤵
  PID:3052

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
4e897b9b020ee9a7c868d41a43d0a232

SHA1
a1102785002c7ee9d14644405c26fdf48f40fa55

SHA256
e25a632b5d6d7ad95bdb91386e283a4f26d514b1d5b0bb2da9aacd266c31d3be

SHA512
f96de25bcaede85397cbc514638aa33e4e4b41569ae6b71f78f80f921069b5f07b40243e7633985079c7631124ae96889e490e10449977c95aac50328dee66df

Download Submit
memory/2164-0-0x00000000003C0000-0x00000000003E8000-memory.dmp

Filesize
160KB

Download
memory/2164-6-0x00000000003C0000-0x00000000003E8000-memory.dmp

Filesize
160KB

Download
memory/2164-8-0x00000000003C0000-0x00000000003E8000-memory.dmp

Filesize
160KB

Download
memory/4216-4-0x00000000007E0000-0x0000000000808000-memory.dmp

Filesize
160KB

Download
memory/4216-7-0x00000000007E0000-0x0000000000808000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads