b14d6946d037909cb094a4704f3abc0ff837a6c86479dd11310fdfb36f100ee1

Analysis

max time kernel
94s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 23:29

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General

Target

99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
Size

52KB
MD5

99f82160c7bac3224e22d19c4019fa00
SHA1

74aad20a96c25a9f39abb815b566a6c43bc18984
SHA256

b14d6946d037909cb094a4704f3abc0ff837a6c86479dd11310fdfb36f100ee1
SHA512

b7e07ad7c50ef7e98574f011252e18495a3bd3e9ac8883e1096e71da17de8c01a997c6b52c1c58a0e24220cc3564b77a7b245f78366e1930416620ad665e318f
SSDEEP

768:WfxIlCAyUnBhPdyjF5Ahnkh/GeBxmuBuMV56W75/1H5F/syMABvKWe:WfrAV91kh/GSxmSuERPrMAdKZ

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe

Executes dropped EXE 1 IoCs

pid	Process
1680	Nkcmohbg.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Nkcmohbg.exe	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
File opened for modification	C:\Windows\SysWOW64\Nkcmohbg.exe	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
File created	C:\Windows\SysWOW64\Hnibdpde.dll	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4800	1680	WerFault.exe	80

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Hnibdpde.dll"	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 1680	2848	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe	80
PID 2848 wrote to memory of 1680	2848	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe	80
PID 2848 wrote to memory of 1680	2848	99f82160c7bac3224e22d19c4019fa00_NEIKI.exe	80

C:\Users\Admin\AppData\Local\Temp\99f82160c7bac3224e22d19c4019fa00_NEIKI.exe
"C:\Users\Admin\AppData\Local\Temp\99f82160c7bac3224e22d19c4019fa00_NEIKI.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\Nkcmohbg.exe
  C:\Windows\system32\Nkcmohbg.exe
  2⤵
  - Executes dropped EXE
  PID:1680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 400
    3⤵
    - Program crash
    PID:4800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1680 -ip 1680
1⤵
PID:3372

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\Nkcmohbg.exe

Filesize
52KB

MD5
072c030406a1443208b2b0fa538d2b9d

SHA1
2bebcc8ffce0ad920d7bd16ca7fb011393bdbbd3

SHA256
cf4127d173e6e14bc4a7b406b8c16a8ccd6a4265fc439b51504a1ff2d67a3727

SHA512
7b4d1afac9f3482162945c8b6ca3fe8dcf9641090e74e6b9abe3a555bc82306539298731b9c8ac14386971bfbe8fd86cd4391eb79eac27abf8a4750e8b203f7b

Download Submit
memory/1680-8-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1680-9-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2848-0-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2848-10-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads