693e6137a430216547cb4c9de851159cbbfcadd85aa3d84719094ef227a02ad1

Analysis

max time kernel
149s
max time network
103s
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, 12:37

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General

Target

b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe
Size

225KB
MD5

b028274a830e30c9e1b7f6951b0f0670
SHA1

ba67ff6627b1b43f27f2f7e9b639e947412ed082
SHA256

693e6137a430216547cb4c9de851159cbbfcadd85aa3d84719094ef227a02ad1
SHA512

b27769b9f8f94696e84b056bb02f6108e7541d4779e2ca8f3decf978c594e8efc72c36368832cf8e0e4bbf09c75475944d582f4f57fd241c10134f58b5c4c886
SSDEEP

6144:TA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:TATuTAnKGwUAW3ycQqgf

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
220	5076	WerFault.exe	100
4540	320	WerFault.exe	84

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe
320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5076	winver.exe
320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 320 wrote to memory of 5076	320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe	100
PID 320 wrote to memory of 5076	320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe	100
PID 320 wrote to memory of 5076	320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe	100
PID 320 wrote to memory of 5076	320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe	100
PID 5076 wrote to memory of 3508	5076	winver.exe	56
PID 320 wrote to memory of 3508	320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe	56
PID 320 wrote to memory of 2680	320	b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe	46

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2680

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3508
- C:\Users\Admin\AppData\Local\Temp\b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe
  "C:\Users\Admin\AppData\Local\Temp\b028274a830e30c9e1b7f6951b0f0670_NEIKI.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:320
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:5076
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5076 -s 316
      4⤵
      Program crash
      PID:220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 320 -s 976
    3⤵
    - Program crash
    PID:4540

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 5076 -ip 5076
1⤵
PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 320 -ip 320
1⤵
PID:4336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/320-1-0x00000000047C0000-0x0000000004E18000-memory.dmp

Filesize
6.3MB

Download
memory/320-2-0x0000000003E80000-0x0000000003E81000-memory.dmp

Filesize
4KB

Download
memory/320-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/320-12-0x00000000058D0000-0x00000000062D0000-memory.dmp

Filesize
10.0MB

Download
memory/320-14-0x00000000058D0000-0x00000000062D0000-memory.dmp

Filesize
10.0MB

Download
memory/320-18-0x00000000047C0000-0x0000000004E18000-memory.dmp

Filesize
6.3MB

Download
memory/2680-13-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/2680-19-0x0000000000C30000-0x0000000000C36000-memory.dmp

Filesize
24KB

Download
memory/3508-4-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3508-5-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3508-11-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download