ff8f94fc24dbbeecf0efb07da1cebc0ec0359e1d7a9cf3b898acb543f29fba68

Analysis

max time kernel
92s
max time network
199s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
12/11/2023, 09:41

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General

Target

NEAS.fe41a939dd3c2f2eb8833681289a5700.exe
Size

3.9MB
MD5

fe41a939dd3c2f2eb8833681289a5700
SHA1

de69c02e8209acba4e0fed9ed3cfaa4ea0e742e0
SHA256

ff8f94fc24dbbeecf0efb07da1cebc0ec0359e1d7a9cf3b898acb543f29fba68
SHA512

4480660484ec38a8e82ba5f33e61704548826f31ff04aa624c05fad09909538bbf83e405504a011e13b289603d06d1cfce0efe403c22b7403ecfab7c9a31ed71
SSDEEP

98304:MtBS4neHvZjiEO5Ihd1T5HqDXJqNjpzS3vv3jirr3jjWiTaOvifviOrF:crnevd1NHqDXJqNj4

Score

7^/10

discovery evasion persistence

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
4272	MSWDM.EXE
3412	MSWDM.EXE
740	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE

Identifies Wine through registry keys 2 TTPs 2 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Wine	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
Key opened	\REGISTRY\MACHINE\Software\Wine	NEAS.FE41A939DD3C2F2EB8833681289A5700.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.fe41a939dd3c2f2eb8833681289a5700.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunServices\WDM = "MSWDM.EXE"	NEAS.fe41a939dd3c2f2eb8833681289a5700.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

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\L:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\Q:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\R:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\U:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\I:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\H:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\K:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\N:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\S:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\Y:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\E:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\M:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\P:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\T:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\V:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\Z:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\J:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\O:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\W:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\X:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
File opened (read-only)	\??\G:	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\MSWDM.EXE	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe
File opened for modification	C:\Windows\dev8FB8.tmp	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3412	MSWDM.EXE
3412	MSWDM.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
740	NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 4272	4048	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe	88
PID 4048 wrote to memory of 4272	4048	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe	88
PID 4048 wrote to memory of 4272	4048	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe	88
PID 4048 wrote to memory of 3412	4048	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe	90
PID 4048 wrote to memory of 3412	4048	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe	90
PID 4048 wrote to memory of 3412	4048	NEAS.fe41a939dd3c2f2eb8833681289a5700.exe	90
PID 3412 wrote to memory of 740	3412	MSWDM.EXE	91
PID 3412 wrote to memory of 740	3412	MSWDM.EXE	91

C:\Users\Admin\AppData\Local\Temp\NEAS.fe41a939dd3c2f2eb8833681289a5700.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.fe41a939dd3c2f2eb8833681289a5700.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4048
- C:\WINDOWS\MSWDM.EXE
  "C:\WINDOWS\MSWDM.EXE"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:4272
- C:\WINDOWS\MSWDM.EXE
  -r!C:\Windows\dev8FB8.tmp!C:\Users\Admin\AppData\Local\Temp\NEAS.fe41a939dd3c2f2eb8833681289a5700.exe! !
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3412
- - C:\Users\Admin\AppData\Local\Temp\NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE
    3⤵
    - Executes dropped EXE
    - Identifies Wine through registry keys
    - Enumerates connected drives
    - Suspicious use of FindShellTrayWindow
    PID:740
- - C:\WINDOWS\MSWDM.EXE
    -e!C:\Windows\dev8FB8.tmp!C:\Users\Admin\AppData\Local\Temp\NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE!
    3⤵
    PID:4840

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

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE

Filesize
3.9MB

MD5
e8aeeec03e177dc2ed46666d9e6c20a9

SHA1
fc7a831a9cb26916d49305f059e67507d9eee938

SHA256
07b9d438588acdf0379c33ee35ff6b3df62852ca571919e9eb6f6efd846731ec

SHA512
03ed25c73826c585a031e249b0114b444d9bf773cffdd8a1d77501f23aa6e845d63f0b72fc6d0fa5a92af41670f0711746e5f0e30ef278fc3cc6076e383c9999

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.FE41A939DD3C2F2EB8833681289A5700.EXE

Filesize
3.9MB

MD5
e8aeeec03e177dc2ed46666d9e6c20a9

SHA1
fc7a831a9cb26916d49305f059e67507d9eee938

SHA256
07b9d438588acdf0379c33ee35ff6b3df62852ca571919e9eb6f6efd846731ec

SHA512
03ed25c73826c585a031e249b0114b444d9bf773cffdd8a1d77501f23aa6e845d63f0b72fc6d0fa5a92af41670f0711746e5f0e30ef278fc3cc6076e383c9999

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.fe41a939dd3c2f2eb8833681289a5700.exe

Filesize
2.3MB

MD5
b469c4f9569a6636e40d363033268fd6

SHA1
d4882eaf7f42e56e68e06263f46c26d7234fc3e3

SHA256
94990e977458246f8f4d21c4217b1ff37a7189bbf8a99af8fb84e0502ed0a237

SHA512
b2df30f38edefad6e5b5cd9376e226605b5f21700932a1777f7fd5aaf5d18d7f6b57dc7fe315232b94234b57aa8d3bb21e907d79a66d2866efce7512c271cd15

Download Submit
C:\Users\Admin\AppData\Local\Temp\NEAS.fe41a939dd3c2f2eb8833681289a5700.exe

Filesize
3.9MB

MD5
e8aeeec03e177dc2ed46666d9e6c20a9

SHA1
fc7a831a9cb26916d49305f059e67507d9eee938

SHA256
07b9d438588acdf0379c33ee35ff6b3df62852ca571919e9eb6f6efd846731ec

SHA512
03ed25c73826c585a031e249b0114b444d9bf773cffdd8a1d77501f23aa6e845d63f0b72fc6d0fa5a92af41670f0711746e5f0e30ef278fc3cc6076e383c9999

Download Submit
C:\WINDOWS\MSWDM.EXE

Filesize
1.6MB

MD5
760b4551e14e64bf5b00a56538f939dc

SHA1
fbf784e20c484185c28e370308d74bb7d8aaae73

SHA256
20daafbe1c6dac30e7b5ba7874640ad869d8691191f68eeb53928eb34bc1ea38

SHA512
e538cf212381d432c8eae76fb9041e78fa9db8002cfa7710c7c9d2cfdd7843222048043e7568710cb03c0e03aae54fe3d86246e9db77f7ac7261dfa76f6c7ae0

Download Submit
C:\Windows\MSWDM.EXE

Filesize
1.6MB

MD5
760b4551e14e64bf5b00a56538f939dc

SHA1
fbf784e20c484185c28e370308d74bb7d8aaae73

SHA256
20daafbe1c6dac30e7b5ba7874640ad869d8691191f68eeb53928eb34bc1ea38

SHA512
e538cf212381d432c8eae76fb9041e78fa9db8002cfa7710c7c9d2cfdd7843222048043e7568710cb03c0e03aae54fe3d86246e9db77f7ac7261dfa76f6c7ae0

Download Submit
C:\Windows\MSWDM.EXE

Filesize
1.6MB

MD5
760b4551e14e64bf5b00a56538f939dc

SHA1
fbf784e20c484185c28e370308d74bb7d8aaae73

SHA256
20daafbe1c6dac30e7b5ba7874640ad869d8691191f68eeb53928eb34bc1ea38

SHA512
e538cf212381d432c8eae76fb9041e78fa9db8002cfa7710c7c9d2cfdd7843222048043e7568710cb03c0e03aae54fe3d86246e9db77f7ac7261dfa76f6c7ae0

Download Submit
C:\Windows\MSWDM.EXE

Filesize
1.6MB

MD5
760b4551e14e64bf5b00a56538f939dc

SHA1
fbf784e20c484185c28e370308d74bb7d8aaae73

SHA256
20daafbe1c6dac30e7b5ba7874640ad869d8691191f68eeb53928eb34bc1ea38

SHA512
e538cf212381d432c8eae76fb9041e78fa9db8002cfa7710c7c9d2cfdd7843222048043e7568710cb03c0e03aae54fe3d86246e9db77f7ac7261dfa76f6c7ae0

Download Submit
C:\Windows\dev8FB8.tmp

Filesize
2.3MB

MD5
b469c4f9569a6636e40d363033268fd6

SHA1
d4882eaf7f42e56e68e06263f46c26d7234fc3e3

SHA256
94990e977458246f8f4d21c4217b1ff37a7189bbf8a99af8fb84e0502ed0a237

SHA512
b2df30f38edefad6e5b5cd9376e226605b5f21700932a1777f7fd5aaf5d18d7f6b57dc7fe315232b94234b57aa8d3bb21e907d79a66d2866efce7512c271cd15

Download Submit
memory/3412-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3412-25-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4048-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4840-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4840-23-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download