1b715d8ecde848a5bc0ebbf6693944694f29bb9ad1da4e8b7a6b1b767deb874b

Analysis

max time kernel
148s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
08-05-2024 05:18

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General

Target

e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe
Size

134KB
MD5

e01d8d9af5c8ea4f8601f32a17dc2080
SHA1

fdb969f57714496f08b8ca356c232efcc22b8d6d
SHA256

1b715d8ecde848a5bc0ebbf6693944694f29bb9ad1da4e8b7a6b1b767deb874b
SHA512

fe4d685bc07aa922177e8e8c84ad77f336e847f056b7bcdfcaf9debded85bad92d05296e999a0ec8ae50ad10b0a3ea13eb58c24787a2256e6343dba96adcf047
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOj:YfU/WF6QMauSuiWNi9eNOl0007NZIOj

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-1-5-21-2818691465-3043947619-2475182763-1000\Control Panel\International\Geo\Nation	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe

Executes dropped EXE 1 IoCs

pid	Process
4452	wuauclt.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1888-0-0x0000000000050000-0x0000000000078000-memory.dmp	upx
behavioral2/files/0x000b000000023b81-3.dat	upx
behavioral2/memory/4452-5-0x0000000000BE0000-0x0000000000C08000-memory.dmp	upx
behavioral2/memory/1888-6-0x0000000000050000-0x0000000000078000-memory.dmp	upx
behavioral2/memory/1888-7-0x0000000000050000-0x0000000000078000-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"	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.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 1888 wrote to memory of 4452	1888	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe	84
PID 1888 wrote to memory of 4452	1888	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe	84
PID 1888 wrote to memory of 4452	1888	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe	84
PID 1888 wrote to memory of 1400	1888	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe	99
PID 1888 wrote to memory of 1400	1888	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe	99
PID 1888 wrote to memory of 1400	1888	e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe	99

C:\Users\Admin\AppData\Local\Temp\e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1888
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4452
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\e01d8d9af5c8ea4f8601f32a17dc2080_NEIKI.exe" >> NUL
  2⤵
  PID:1400

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
5fb15c093d153634b125fd0482a3657c

SHA1
11b86d02c84d533d47cdf6cd70b4ec605705f2db

SHA256
ddbd5bc9fe974fb53cb6c412804fee601f5706d05d5b4ad6fe51583caa3fb1fd

SHA512
fc4bcd23ecf223abc898bf07479d682c6059241036c5d644dc7653b384427dc9f836c505ea4c893066a1d9407c4f57cc316df7d27b36d909f53b06e3ac70e53b

Download Submit
memory/1888-0-0x0000000000050000-0x0000000000078000-memory.dmp

Filesize
160KB

Download
memory/1888-6-0x0000000000050000-0x0000000000078000-memory.dmp

Filesize
160KB

Download
memory/1888-7-0x0000000000050000-0x0000000000078000-memory.dmp

Filesize
160KB

Download
memory/4452-5-0x0000000000BE0000-0x0000000000C08000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads