ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 01:06

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General

Target

ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
Size

52KB
MD5

674a74ee3fb25be4475f3890b61bf1cb
SHA1

6ce482225b2846b7f4b8911c3cc4f29a074c9027
SHA256

ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa
SHA512

6fc823507e9ab807af660d1d679415268354938290b1b2612d09a4c27b62015e4b8ae008e7353202c71987b680b709ee1fcfd7075d355ce34f39683bb70a6e59
SSDEEP

768:uGYqDvp4U9edA7Ia4yGMJWj8sRe3m8jcNpTonlxndviLB59Oqkpi/1H5:fRIa4pY3mfpon4LVONpg

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	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe

Executes dropped EXE 1 IoCs

pid	Process
5068	Nkcmohbg.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Nkcmohbg.exe	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
File opened for modification	C:\Windows\SysWOW64\Nkcmohbg.exe	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
File created	C:\Windows\SysWOW64\Hnibdpde.dll	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4060	5068	WerFault.exe	84

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Hnibdpde.dll"	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 5068	3936	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe	84
PID 3936 wrote to memory of 5068	3936	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe	84
PID 3936 wrote to memory of 5068	3936	ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe	84

C:\Users\Admin\AppData\Local\Temp\ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.exe
"C:\Users\Admin\AppData\Local\Temp\ad04c01a5c144e0ebabcd42010f4dade552c2d1871cda6edd941cf4d7ddb25fa.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:3936
- C:\Windows\SysWOW64\Nkcmohbg.exe
  C:\Windows\system32\Nkcmohbg.exe
  2⤵
  - Executes dropped EXE
  PID:5068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 400
    3⤵
    - Program crash
    PID:4060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5068 -ip 5068
1⤵
PID:4356

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
d649ef29df118dd993c80487e3f9c2e4

SHA1
15ea80852b4be87afd5e52c052da06362e0988fd

SHA256
c894c9eb05a25d187f20246e73919ddd66001e4f3fbee2b334d857161f6a80bc

SHA512
b6a6234cf1f6f6bafdfb682220c95dea8cc1ca5d50ac732b0acd64341cba7bfaa206afb17a087cf2bf8086096ad2968142f0eac52079ee37ca5609fe4d842015

Download Submit
memory/3936-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3936-10-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/5068-8-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/5068-9-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads