98cb5a1da4154973cb38c6d9115f2a77d5469d26bc573cabfc34e6209af0ced2

Analysis

max time kernel
91s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 02:51

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General

Target

984a29ed843495d8d4b5c9f0ce76f503.exe
Size

72KB
MD5

984a29ed843495d8d4b5c9f0ce76f503
SHA1

875f1be2999b177691c539eb808309b0f9406c00
SHA256

98cb5a1da4154973cb38c6d9115f2a77d5469d26bc573cabfc34e6209af0ced2
SHA512

4fc65792db66a373ffe991c6084ac9ea07e44dab93ac3e14dcc42f5a001e71c8b1373899b642fa08e837321a672d7076c1b49cd124b6c82bf771299d35e3120c
SSDEEP

1536:s4qwTsEnBkD85T5nGTfHkB30yPLyFcfYWx0cN2HOydYrn:zT3BlKfHk1N2uydO

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
452	CnsMln.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\CnsMln = "CnsM"	984a29ed843495d8d4b5c9f0ce76f503.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\CnsMln = "CnsM"	CnsMln.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\CnsMln.exe	984a29ed843495d8d4b5c9f0ce76f503.exe
File opened for modification	C:\Windows\CnsMln.exe	984a29ed843495d8d4b5c9f0ce76f503.exe
File created	C:\Windows\CnsMln.exe	CnsMln.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4704	452	WerFault.exe	85

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe
452	CnsMln.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 452	3156	984a29ed843495d8d4b5c9f0ce76f503.exe	85
PID 3156 wrote to memory of 452	3156	984a29ed843495d8d4b5c9f0ce76f503.exe	85
PID 3156 wrote to memory of 452	3156	984a29ed843495d8d4b5c9f0ce76f503.exe	85

C:\Users\Admin\AppData\Local\Temp\984a29ed843495d8d4b5c9f0ce76f503.exe
"C:\Users\Admin\AppData\Local\Temp\984a29ed843495d8d4b5c9f0ce76f503.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\CnsMln.exe
  C:\Windows\CnsMln.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  PID:452
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 452 -s 684
    3⤵
    - Program crash
    PID:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 452 -ip 452
1⤵
PID:3748

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

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Downloads

C:\Windows\CnsMln.exe

Filesize
72KB

MD5
984a29ed843495d8d4b5c9f0ce76f503

SHA1
875f1be2999b177691c539eb808309b0f9406c00

SHA256
98cb5a1da4154973cb38c6d9115f2a77d5469d26bc573cabfc34e6209af0ced2

SHA512
4fc65792db66a373ffe991c6084ac9ea07e44dab93ac3e14dcc42f5a001e71c8b1373899b642fa08e837321a672d7076c1b49cd124b6c82bf771299d35e3120c

Download Submit
memory/452-5-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3156-4-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download