0f6fd910bed0e78ebdf2eeb13b5815ad0b3e311dc6810be31a45826a9576411b

Analysis

max time kernel
123s
max time network
124s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
31/10/2023, 09:00

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General

Target

NEAS.f350b76e872acf6baae86955e1359e30.exe
Size

274KB
MD5

f350b76e872acf6baae86955e1359e30
SHA1

ba9d682569c463846828fafe1e0fe3da38c883a1
SHA256

0f6fd910bed0e78ebdf2eeb13b5815ad0b3e311dc6810be31a45826a9576411b
SHA512

356053a711005e60b2bd84db48a1dddf81a7dbd84074f41361de503e3873a727f5279c66a83d33ed0d6443dd5c0d75b15bb129e50b42cf9d58b34293e47bd156
SSDEEP

6144:+YvZ6brUj+bvqHXSpWr2Kqz83Oad3Jg4PlPDIQ+KLzDDg:+YvEbrUjp3SpWggd3JBPlPDIQ3g

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2320	lsassys.exe
2472	lsassys.exe

Loads dropped DLL 4 IoCs

pid	Process
3016	NEAS.f350b76e872acf6baae86955e1359e30.exe
3016	NEAS.f350b76e872acf6baae86955e1359e30.exe
3016	NEAS.f350b76e872acf6baae86955e1359e30.exe
2320	lsassys.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 28 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\runas\command\ = "\"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_32\\lsassys.exe\" /START \"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\runas\command	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\runas	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\open\command\IsolatedCommand = "\"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\Content-Type = "application/x-msdownload"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\open	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\DefaultIcon	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\open\command	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\open	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\ = "wexplorer"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\DefaultIcon	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\open\command	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\runas\command	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\ = "Application"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\runas\command\IsolatedCommand = "\"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\DefaultIcon\ = "%1"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\DefaultIcon\ = "%1"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\SysWOW_32\\lsassys.exe\" /START \"%1\" %*"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe\shell\runas	NEAS.f350b76e872acf6baae86955e1359e30.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\wexplorer\Content-Type = "application/x-msdownload"	NEAS.f350b76e872acf6baae86955e1359e30.exe
Key created	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000_CLASSES\.exe	NEAS.f350b76e872acf6baae86955e1359e30.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2320	lsassys.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2320	3016	NEAS.f350b76e872acf6baae86955e1359e30.exe	28
PID 3016 wrote to memory of 2320	3016	NEAS.f350b76e872acf6baae86955e1359e30.exe	28
PID 3016 wrote to memory of 2320	3016	NEAS.f350b76e872acf6baae86955e1359e30.exe	28
PID 3016 wrote to memory of 2320	3016	NEAS.f350b76e872acf6baae86955e1359e30.exe	28
PID 2320 wrote to memory of 2472	2320	lsassys.exe	29
PID 2320 wrote to memory of 2472	2320	lsassys.exe	29
PID 2320 wrote to memory of 2472	2320	lsassys.exe	29
PID 2320 wrote to memory of 2472	2320	lsassys.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.f350b76e872acf6baae86955e1359e30.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.f350b76e872acf6baae86955e1359e30.exe"
1⤵
- Loads dropped DLL
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe" /START "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe"
    3⤵
    - Executes dropped EXE
    PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\SysWOW_32\lsassys.exe

Filesize
274KB

MD5
10aa7c1f82f939c3bbd9933b9e2cc255

SHA1
9099e498bafc9cfb90b156ae055bf397f478a7a4

SHA256
bfb9204fa3250ca96ac0805e877bea10a70241723cc00d85abcbddc8efb972ae

SHA512
8a2b621d465482ca788e9964158942108465906d959c8d40ff7cf718453ed1d6f22ad93c8767df8473523482d942b3459dc706e81d0895297c8cad5b86175e27

Download Submit