d82d14016eee7792f941661e9436789d63bb20215d106fc0a713e84364438bfe

Analysis

max time kernel
136s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 23:08

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General

Target

5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe
Size

134KB
MD5

5ee12198bba17024d3c69cecfb78d2f0
SHA1

1c2761917c73af345e6475ab3b0c858c0344121a
SHA256

d82d14016eee7792f941661e9436789d63bb20215d106fc0a713e84364438bfe
SHA512

ece2fb20ac0898ef0901b933eeeec116e4296c12ec8ffd2d21d3867a0c960de279a833cdc823bd3f93351fabb18d096e18c116b08794b84b4fe5fb6a6c7fedcc
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOC:YfU/WF6QMauSuiWNi9eNOl0007NZIOC

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-1-5-21-3906287020-2915474608-1755617787-1000\Control Panel\International\Geo\Nation	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	wuauclt.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2072-0-0x0000000000B00000-0x0000000000B28000-memory.dmp	upx
behavioral2/memory/2984-5-0x00000000004F0000-0x0000000000518000-memory.dmp	upx
behavioral2/files/0x00090000000233ef-4.dat	upx
behavioral2/memory/2072-6-0x0000000000B00000-0x0000000000B28000-memory.dmp	upx
behavioral2/memory/2984-7-0x00000000004F0000-0x0000000000518000-memory.dmp	upx
behavioral2/memory/2072-8-0x0000000000B00000-0x0000000000B28000-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"	5ee12198bba17024d3c69cecfb78d2f0_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 2072 wrote to memory of 2984	2072	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	82
PID 2072 wrote to memory of 2984	2072	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	82
PID 2072 wrote to memory of 2984	2072	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	82
PID 2072 wrote to memory of 1640	2072	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	96
PID 2072 wrote to memory of 1640	2072	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	96
PID 2072 wrote to memory of 1640	2072	5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe	96

C:\Users\Admin\AppData\Local\Temp\5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2072
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2984
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\5ee12198bba17024d3c69cecfb78d2f0_NEIKI.exe" >> NUL
  2⤵
  PID:1640

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
1f83dd6af485db133cb5a8bc3af1a883

SHA1
3e64cb1ffb89777e8c8f6973fabba47947c4caf0

SHA256
2746bc183def5711954510d812c7e4116191e9849733adb6f0ea87c3f7a9dfd5

SHA512
7555f7b6369b0f581e6eaf691775c25a3a36266b3e80487c153d7d7bba351046139eda2bf2e8cd6c39a2474ee2625b64cb20544f44fb9fa40ed919da70140082

Download Submit
memory/2072-0-0x0000000000B00000-0x0000000000B28000-memory.dmp

Filesize
160KB

Download
memory/2072-6-0x0000000000B00000-0x0000000000B28000-memory.dmp

Filesize
160KB

Download
memory/2072-8-0x0000000000B00000-0x0000000000B28000-memory.dmp

Filesize
160KB

Download
memory/2984-5-0x00000000004F0000-0x0000000000518000-memory.dmp

Filesize
160KB

Download
memory/2984-7-0x00000000004F0000-0x0000000000518000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads