a696374793e0dd73d04bb3d38ec1c8ef548cb374f7343a0cf6e21609417917b0

Analysis

max time kernel
92s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 21:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0c65d9ab75e7aa8dcf94cb642500b0cc.exe
Size

108KB
MD5

0c65d9ab75e7aa8dcf94cb642500b0cc
SHA1

c2966be8bd1c8aa1153671e29a44a37b3fd81a09
SHA256

a696374793e0dd73d04bb3d38ec1c8ef548cb374f7343a0cf6e21609417917b0
SHA512

94d060798b0b0cae8948f013948fd5fae764d6b10fbd9fc4f64a6ea927cf9235438b760f73c02bcdc7f34222eec710b455bef0ac8f6f2b3b179df66fab4f2e24
SSDEEP

3072:zZsAH+Nu92R2hTFkV/2C5ruvq2FcFmKcUsvKwF:ztHpUR2x6o0rIqGUs

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	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FAA099-1BAE-816E-D711-115290CEE717}"	0c65d9ab75e7aa8dcf94cb642500b0cc.exe

Executes dropped EXE 1 IoCs

pid	Process
2548	Nkcmohbg.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Nkcmohbg.exe	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
File opened for modification	C:\Windows\SysWOW64\Nkcmohbg.exe	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
File created	C:\Windows\SysWOW64\Hnibdpde.dll	0c65d9ab75e7aa8dcf94cb642500b0cc.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4488	2548	WerFault.exe	85

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ = "C:\\Windows\\SysWow64\\Hnibdpde.dll"	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32\ThreadingModel = "Apartment"	0c65d9ab75e7aa8dcf94cb642500b0cc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{79FAA099-1BAE-816E-D711-115290CEE717}\InProcServer32	0c65d9ab75e7aa8dcf94cb642500b0cc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2548	2596	0c65d9ab75e7aa8dcf94cb642500b0cc.exe	85
PID 2596 wrote to memory of 2548	2596	0c65d9ab75e7aa8dcf94cb642500b0cc.exe	85
PID 2596 wrote to memory of 2548	2596	0c65d9ab75e7aa8dcf94cb642500b0cc.exe	85

C:\Users\Admin\AppData\Local\Temp\0c65d9ab75e7aa8dcf94cb642500b0cc.exe
"C:\Users\Admin\AppData\Local\Temp\0c65d9ab75e7aa8dcf94cb642500b0cc.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:2596
- C:\Windows\SysWOW64\Nkcmohbg.exe
  C:\Windows\system32\Nkcmohbg.exe
  2⤵
  - Executes dropped EXE
  PID:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 336
    3⤵
    - Program crash
    PID:4488

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2548 -ip 2548
1⤵
PID:1204

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\Nkcmohbg.exe

Filesize
108KB

MD5
c2fe078be93922e0b1603d682345fabc

SHA1
557544f75dffe4ad321bd8918bdc1ac0404da8d4

SHA256
9e762b9ed38cb6529c32027000a474bbcfa80df76ab05920f96f6bd879e4e98b

SHA512
8bd8a98b5aec6e9123b2366ce36c5671744b0fc6a4536c6bb5088733d41402d82ba872f9c09e3d0fbb1c64683a4c552a921ec2bb21e678ff514572ee9cd216b3

Download Submit
memory/2548-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2548-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2596-0-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2596-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads