d7e31557e6c6050e4d6e80cd685077cdc8b7fce29fabb95cca83df3063560197

Analysis

max time kernel
133s
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
08-05-2024 00:04

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General

Target

71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
Size

69KB
MD5

71abb0ace4f9e84c885a4047096570c0
SHA1

2a2b00c9d5f655f563b647265b22a03b92c0b245
SHA256

d7e31557e6c6050e4d6e80cd685077cdc8b7fce29fabb95cca83df3063560197
SHA512

2b91a78c334c1d16fe0b2cf85beb8a991f024884792ca4dadf69a390bbf6f631afb125bdd0b9bde8f04d8be21b8e8f95210965223cf7011be1f71e2c83917f3f
SSDEEP

768:q2i3EJFMjTKQ7KwYSN+OdAV7Nkvqp6jBeFZTFiRdELKU1WRkJl0UFlTDIrBmMmWE:q2EEJFMjve2+kvqqewLy+kzM5BFhK0Tw

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\E:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\Q:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\M:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\L:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\G:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\P:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\K:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\Z:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\W:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\S:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\R:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\Y:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\O:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\N:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\J:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\I:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\H:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\X:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\V:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\U:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened (read-only)	\??\T:	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe

Drops autorun.inf file 1 TTPs 3 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\autorun.inf	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened for modification	C:\autorun.inf	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\PROGRAM FILES (X86)\ADOBE\ACROBAT READER DC\READER\ACRORD32.EXE	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2288	4688	WerFault.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4688	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
4688	71abb0ace4f9e84c885a4047096570c0_NEIKI.exe

C:\Users\Admin\AppData\Local\Temp\71abb0ace4f9e84c885a4047096570c0_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\71abb0ace4f9e84c885a4047096570c0_NEIKI.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:4688
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 740
  2⤵
  - Program crash
  PID:2288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4688 -ip 4688
1⤵
PID:3264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\autorun.inf

Filesize
126B

MD5
163e20cbccefcdd42f46e43a94173c46

SHA1
4c7b5048e8608e2a75799e00ecf1bbb4773279ae

SHA256
7780bee9df142a17e0457f3dcb2788b50fc2792370089335597d33719126fb7e

SHA512
e5ac0ff6b087857799ab70f68067c9dc73eeb93ccfcad87047052380b95ade3e6eb2a7d01a0f850d548a39f4b1ebb60e299d603dbe25c31b9a3585b34a0c65a8

Download Submit
memory/4688-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4688-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download