73d637debd43f39f191e41a8dfb330ab707177bb6f71d98aa9582b7f930adb4f

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2023 06:16

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General

Target

NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
Size

472KB
MD5

0d7930d81211efd5eadd96802a8d01e0
SHA1

ac54d2753e0d5cd3d8dc7b8c1f41f58ffa65b2fa
SHA256

73d637debd43f39f191e41a8dfb330ab707177bb6f71d98aa9582b7f930adb4f
SHA512

b5b6f3fd86c512bbfa673e3aa07c58dcba4e650691744d797de77d6c4070971c1984fbe0386b693da85e749afd006ea526408aceb864101adb2aec4cff1e66d7
SSDEEP

6144:cf+Jjjou35J6i5plrzuo6/LkeYvjoIHnv0RX/VwFdLD/7MsrYMC+9GXL9M8sG3du:bj8u3ui5pl+uBvc/V0FdYxJdRqMy

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Control Panel\International\Geo\Nation	LSASS.exe

Executes dropped EXE 2 IoCs

pid	Process
1004	LSASS.exe
2056	LSASS.exe

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe

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

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	LSASS.exe
File opened for modification	C:\autorun.inf	LSASS.exe
File created	F:\autorun.inf	LSASS.exe
File opened for modification	F:\autorun.inf	LSASS.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\LSASS.exe	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
File opened for modification	C:\Windows\LSASS.exe	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
File opened for modification	C:\Windows\LSASS.exe	LSASS.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	LSASS.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
2056	LSASS.exe
2056	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe
1004	LSASS.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 1004	4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe	96
PID 4748 wrote to memory of 1004	4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe	96
PID 4748 wrote to memory of 1004	4748	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe	96
PID 1004 wrote to memory of 1820	1004	LSASS.exe	100
PID 1004 wrote to memory of 1820	1004	LSASS.exe	100
PID 1004 wrote to memory of 1820	1004	LSASS.exe	100
PID 1004 wrote to memory of 4644	1004	LSASS.exe	101
PID 1004 wrote to memory of 4644	1004	LSASS.exe	101
PID 1004 wrote to memory of 4644	1004	LSASS.exe	101
PID 1004 wrote to memory of 2056	1004	LSASS.exe	104
PID 1004 wrote to memory of 2056	1004	LSASS.exe	104
PID 1004 wrote to memory of 2056	1004	LSASS.exe	104
PID 1004 wrote to memory of 5088	1004	LSASS.exe	105
PID 1004 wrote to memory of 5088	1004	LSASS.exe	105
PID 1004 wrote to memory of 5088	1004	LSASS.exe	105
PID 1004 wrote to memory of 4428	1004	LSASS.exe	106
PID 1004 wrote to memory of 4428	1004	LSASS.exe	106
PID 1004 wrote to memory of 4428	1004	LSASS.exe	106
PID 1004 wrote to memory of 1368	1004	LSASS.exe	117
PID 1004 wrote to memory of 1368	1004	LSASS.exe	117
PID 1004 wrote to memory of 1368	1004	LSASS.exe	117
PID 1004 wrote to memory of 5092	1004	LSASS.exe	118
PID 1004 wrote to memory of 5092	1004	LSASS.exe	118
PID 1004 wrote to memory of 5092	1004	LSASS.exe	118
PID 1004 wrote to memory of 2816	1004	LSASS.exe	122
PID 1004 wrote to memory of 2816	1004	LSASS.exe	122
PID 1004 wrote to memory of 2816	1004	LSASS.exe	122
PID 1004 wrote to memory of 744	1004	LSASS.exe	123
PID 1004 wrote to memory of 744	1004	LSASS.exe	123
PID 1004 wrote to memory of 744	1004	LSASS.exe	123

C:\Users\Admin\AppData\Local\Temp\NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.0d7930d81211efd5eadd96802a8d01e0.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4748
- C:\Windows\LSASS.exe
  "C:\Windows\LSASS.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1820
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4644
- - C:\Users\Admin\LSASS.exe
    "C:\Users\Admin\LSASS.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2056
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:5088
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:4428
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:1368
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:5092
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2816
- - C:\Windows\SysWOW64\REG.exe
    REG ADD HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run /v SysUtils /t REG_SZ /d "C:\Windows\LSASS.exe" /f
    3⤵
    - Adds Run key to start application
    PID:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

T1091

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Replication Through Removable Media

T1091

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\LSASS.exe

Filesize
472KB

MD5
64687c935f5202353fe7d1573a65ea7c

SHA1
1b5102fe0250ef6006b7d4d322484689a7d6f68c

SHA256
f8ff870bb1f688b43a6f1a20c0e7cc6486e22e3800300680e4d89294798383d7

SHA512
d7295b395f3db931da9c9197a6afafa851429195568788e4393431481273456ff40b592440283af5d30c14abcf15d85ac34dcb7c7fa0566bf2c31a763fd5348b

Download Submit
C:\Users\Admin\LSASS.exe

Filesize
472KB

MD5
64687c935f5202353fe7d1573a65ea7c

SHA1
1b5102fe0250ef6006b7d4d322484689a7d6f68c

SHA256
f8ff870bb1f688b43a6f1a20c0e7cc6486e22e3800300680e4d89294798383d7

SHA512
d7295b395f3db931da9c9197a6afafa851429195568788e4393431481273456ff40b592440283af5d30c14abcf15d85ac34dcb7c7fa0566bf2c31a763fd5348b

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
83e2da4b5d72df7bc87b0054418599ad

SHA1
1b8fdff8f49868d33942493c5d745cc605e7caba

SHA256
369fad7214257f5d45ef873400216fa14b8c66e8ba2a4bbf1527e4094caf058a

SHA512
4b3e0a5af37911b03eaad683c82bebec894951f6adc609a07cc291103b7b0254834f8f50472efb8a4ff9752574516ef0dfcf4affa8787447c3d477726275144e

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
83e2da4b5d72df7bc87b0054418599ad

SHA1
1b8fdff8f49868d33942493c5d745cc605e7caba

SHA256
369fad7214257f5d45ef873400216fa14b8c66e8ba2a4bbf1527e4094caf058a

SHA512
4b3e0a5af37911b03eaad683c82bebec894951f6adc609a07cc291103b7b0254834f8f50472efb8a4ff9752574516ef0dfcf4affa8787447c3d477726275144e

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
83e2da4b5d72df7bc87b0054418599ad

SHA1
1b8fdff8f49868d33942493c5d745cc605e7caba

SHA256
369fad7214257f5d45ef873400216fa14b8c66e8ba2a4bbf1527e4094caf058a

SHA512
4b3e0a5af37911b03eaad683c82bebec894951f6adc609a07cc291103b7b0254834f8f50472efb8a4ff9752574516ef0dfcf4affa8787447c3d477726275144e

Download Submit
C:\autorun.inf

Filesize
190B

MD5
b1445c7f646c6ca9a7597791af38d575

SHA1
91efaf63fa1f7a51ee2f9b1c3b0f8932f15439ce

SHA256
220517d50470c86d94020cebcd03af286898e65338f468dc5f860dc04af2c88e

SHA512
533349278b6d186f0f3947681e90dcc7f617e146736798e6fc23e79d61610f1f7b2e4b4241b296884622fbd6b1cf73dc694a852e05bf4235da8ed40b70c5683f

Download Submit
memory/1004-240-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-261-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-36-0x0000000001570000-0x0000000001571000-memory.dmp

Filesize
4KB

Download
memory/1004-354-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-337-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-34-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-312-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-113-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-295-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-128-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-150-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-167-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-188-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-206-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-223-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/1004-278-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2056-112-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2056-111-0x0000000001570000-0x0000000001571000-memory.dmp

Filesize
4KB

Download
memory/2056-110-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4748-37-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4748-0-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4748-1-0x0000000005F20000-0x0000000005F21000-memory.dmp

Filesize
4KB

Download