acf60049e2c30895462b4257f53f9065105de14b4e1d276336155ceecc285955

Analysis

max time kernel
23s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
01/11/2023, 00:40

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General

Target

NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe
Size

271KB
MD5

f4c41b2d9ce1dabf06ad42cfb299caf0
SHA1

c32b0906147496d9a3c0e821940321a148403591
SHA256

acf60049e2c30895462b4257f53f9065105de14b4e1d276336155ceecc285955
SHA512

795da8aeb6c92bb037ddd177f7b5df949de68223b91573fc0dc17b67a9c815ca828e1528abd81a3358af8fd0fcb2927150fab45363b65ce988edc006028103de
SSDEEP

3072:WcX93xwq19gL2SjGojCJa79TBfsY5vXWqvuHcYnLzqP2ComCP1t:WcNhJgX9z9TB0YRX8nUVC9t

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2240	MSWDM.EXE
1364	MSWDM.EXE
1120	NEAS.F4C41B2D9CE1DABF06AD42CFB299CAF0.EXE

Adds Run key to start application 2 TTPs 4 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\Run\WDM = "MSWDM.EXE"	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WDM = "MSWDM.EXE"	MSWDM.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	MSWDM.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe
File opened for modification	C:\Windows\dev142F.tmp	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1364	MSWDM.EXE
1364	MSWDM.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2240	4740	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe	84
PID 4740 wrote to memory of 2240	4740	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe	84
PID 4740 wrote to memory of 2240	4740	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe	84
PID 4740 wrote to memory of 1364	4740	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe	85
PID 4740 wrote to memory of 1364	4740	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe	85
PID 4740 wrote to memory of 1364	4740	NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe	85
PID 1364 wrote to memory of 1120	1364	MSWDM.EXE	86
PID 1364 wrote to memory of 1120	1364	MSWDM.EXE	86
PID 1364 wrote to memory of 1120	1364	MSWDM.EXE	86

C:\Users\Admin\AppData\Local\Temp\NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4740
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:2240
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev142F.tmp!C:\Users\Admin\AppData\Local\Temp\NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1364
- - C:\Users\Admin\AppData\Local\Temp\NEAS.F4C41B2D9CE1DABF06AD42CFB299CAF0.EXE
    3⤵
    - Executes dropped EXE
    PID:1120

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:\Users\Admin\AppData\Local\Temp\NEAS.f4c41b2d9ce1dabf06ad42cfb299caf0.exe

Filesize
15KB

MD5
b0cec9f342bf95700b602ee376446577

SHA1
b955b1b64280bb0ea873538029cf5ea44081501b

SHA256
24a2472e3bd5016cb22ce14cefee112d5bc18354bf099e8e66ad9846aea15088

SHA512
05ebecfc8d3e2e7885d3cacc65bfd97db710c2cbc0fb76b19b7d6cc82b327b25df953a20affc8d84002167dd8ac7710622279d3579c6605e742a98fe7095aa4e

Download Submit
C:\WINDOWS\MSWDM.EXE

Filesize
256KB

MD5
8a1198209520897514a2d82a912a66d2

SHA1
5dda8ec47f948814d808cd71e89ebe65940a1ff7

SHA256
5ce9e416f5b7811b9e91ec2de680aad0c38aa4a080999853b096b06d409887f0

SHA512
9a6e4e3729f77bcdcc1ace7fa154490717473fb05899e13b1f920ee438dc1c1812eae6fdec8b97da7807e9d626014ad0481d9cf0d4f5a06e327b4b75534f7e00

Download Submit
C:\Windows\MSWDM.EXE

Filesize
256KB

MD5
8a1198209520897514a2d82a912a66d2

SHA1
5dda8ec47f948814d808cd71e89ebe65940a1ff7

SHA256
5ce9e416f5b7811b9e91ec2de680aad0c38aa4a080999853b096b06d409887f0

SHA512
9a6e4e3729f77bcdcc1ace7fa154490717473fb05899e13b1f920ee438dc1c1812eae6fdec8b97da7807e9d626014ad0481d9cf0d4f5a06e327b4b75534f7e00

Download Submit
C:\Windows\MSWDM.EXE

Filesize
256KB

MD5
8a1198209520897514a2d82a912a66d2

SHA1
5dda8ec47f948814d808cd71e89ebe65940a1ff7

SHA256
5ce9e416f5b7811b9e91ec2de680aad0c38aa4a080999853b096b06d409887f0

SHA512
9a6e4e3729f77bcdcc1ace7fa154490717473fb05899e13b1f920ee438dc1c1812eae6fdec8b97da7807e9d626014ad0481d9cf0d4f5a06e327b4b75534f7e00

Download Submit
C:\Windows\dev142F.tmp

Filesize
15KB

MD5
b0cec9f342bf95700b602ee376446577

SHA1
b955b1b64280bb0ea873538029cf5ea44081501b

SHA256
24a2472e3bd5016cb22ce14cefee112d5bc18354bf099e8e66ad9846aea15088

SHA512
05ebecfc8d3e2e7885d3cacc65bfd97db710c2cbc0fb76b19b7d6cc82b327b25df953a20affc8d84002167dd8ac7710622279d3579c6605e742a98fe7095aa4e

Download Submit