73d637debd43f39f191e41a8dfb330ab707177bb6f71d98aa9582b7f930adb4f

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-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

Executes dropped EXE 2 IoCs

pid	Process
2076	LSASS.exe
2740	LSASS.exe

Loads dropped DLL 2 IoCs

pid	Process
2076	LSASS.exe
2076	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-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\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-1-5-21-3618187007-3650799920-3290345941-1000\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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\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)	\??\W:	LSASS.exe
File opened (read-only)	\??\E:	LSASS.exe
File opened (read-only)	\??\I:	LSASS.exe
File opened (read-only)	\??\M:	LSASS.exe
File opened (read-only)	\??\P:	LSASS.exe
File opened (read-only)	\??\T:	LSASS.exe
File opened (read-only)	\??\L:	LSASS.exe
File opened (read-only)	\??\O:	LSASS.exe
File opened (read-only)	\??\Q:	LSASS.exe
File opened (read-only)	\??\U:	LSASS.exe
File opened (read-only)	\??\V:	LSASS.exe
File opened (read-only)	\??\X:	LSASS.exe
File opened (read-only)	\??\Y:	LSASS.exe
File opened (read-only)	\??\G:	LSASS.exe
File opened (read-only)	\??\H:	LSASS.exe
File opened (read-only)	\??\N:	LSASS.exe
File opened (read-only)	\??\R:	LSASS.exe
File opened (read-only)	\??\S:	LSASS.exe
File opened (read-only)	\??\Z:	LSASS.exe
File opened (read-only)	\??\J:	LSASS.exe
File opened (read-only)	\??\K:	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 opened for modification	F:\autorun.inf	LSASS.exe
File created	C:\autorun.inf	LSASS.exe
File opened for modification	C:\autorun.inf	LSASS.exe
File created	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

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2380	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
2380	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2740	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe
2076	LSASS.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2076	2380	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe	28
PID 2380 wrote to memory of 2076	2380	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe	28
PID 2380 wrote to memory of 2076	2380	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe	28
PID 2380 wrote to memory of 2076	2380	NEAS.0d7930d81211efd5eadd96802a8d01e0.exe	28
PID 2076 wrote to memory of 2580	2076	LSASS.exe	29
PID 2076 wrote to memory of 2580	2076	LSASS.exe	29
PID 2076 wrote to memory of 2580	2076	LSASS.exe	29
PID 2076 wrote to memory of 2580	2076	LSASS.exe	29
PID 2076 wrote to memory of 2608	2076	LSASS.exe	30
PID 2076 wrote to memory of 2608	2076	LSASS.exe	30
PID 2076 wrote to memory of 2608	2076	LSASS.exe	30
PID 2076 wrote to memory of 2608	2076	LSASS.exe	30
PID 2076 wrote to memory of 2740	2076	LSASS.exe	33
PID 2076 wrote to memory of 2740	2076	LSASS.exe	33
PID 2076 wrote to memory of 2740	2076	LSASS.exe	33
PID 2076 wrote to memory of 2740	2076	LSASS.exe	33
PID 2076 wrote to memory of 2192	2076	LSASS.exe	34
PID 2076 wrote to memory of 2192	2076	LSASS.exe	34
PID 2076 wrote to memory of 2192	2076	LSASS.exe	34
PID 2076 wrote to memory of 2192	2076	LSASS.exe	34
PID 2076 wrote to memory of 2932	2076	LSASS.exe	35
PID 2076 wrote to memory of 2932	2076	LSASS.exe	35
PID 2076 wrote to memory of 2932	2076	LSASS.exe	35
PID 2076 wrote to memory of 2932	2076	LSASS.exe	35
PID 2076 wrote to memory of 1712	2076	LSASS.exe	40
PID 2076 wrote to memory of 1712	2076	LSASS.exe	40
PID 2076 wrote to memory of 1712	2076	LSASS.exe	40
PID 2076 wrote to memory of 1712	2076	LSASS.exe	40
PID 2076 wrote to memory of 2044	2076	LSASS.exe	42
PID 2076 wrote to memory of 2044	2076	LSASS.exe	42
PID 2076 wrote to memory of 2044	2076	LSASS.exe	42
PID 2076 wrote to memory of 2044	2076	LSASS.exe	42
PID 2076 wrote to memory of 1136	2076	LSASS.exe	44
PID 2076 wrote to memory of 1136	2076	LSASS.exe	44
PID 2076 wrote to memory of 1136	2076	LSASS.exe	44
PID 2076 wrote to memory of 1136	2076	LSASS.exe	44
PID 2076 wrote to memory of 2392	2076	LSASS.exe	45
PID 2076 wrote to memory of 2392	2076	LSASS.exe	45
PID 2076 wrote to memory of 2392	2076	LSASS.exe	45
PID 2076 wrote to memory of 2392	2076	LSASS.exe	45

C:\Users\Admin\AppData\Local\Temp\NEAS.0d7930d81211efd5eadd96802a8d01e0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.0d7930d81211efd5eadd96802a8d01e0.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\LSASS.exe
  "C:\Windows\LSASS.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Enumerates connected drives
  - Drops autorun.inf file
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2076
- - 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:2580
- - 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:2608
- - C:\Users\Admin\LSASS.exe
    "C:\Users\Admin\LSASS.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:2740
- - 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:2192
- - 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:2932
- - 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:1712
- - 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:2044
- - 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:1136
- - 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:2392

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
4968a69f1fc56e0c4335ad8579eeb0b3

SHA1
0114a51261f01420ac1aade1475929a106fcd3be

SHA256
7a057bca5d2df91f28675115cf363a541d3bbe6fb74a0bd2df3c209c924183a0

SHA512
e2dcefc63f1353cc30bc3ed05e0db488024f4102cf62dfe28c76914bce396a82ab05cb6ad7ddb7e7cc26a53f1b9ee15a815039570dfc86858a2a16d706f5d545

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
b0d8ab28bb6db905bcb5e4019494be07

SHA1
22683e43ce65c29df75f7e5f20e598b32255fa7a

SHA256
f78fa3a9ca54224170b4497cb4437f7e761e2477f6cc12dbda7639eb4e270164

SHA512
df702b4b8594186850396dbfcb1cd18d287bbf2bd83dc9cf29a395bb012d82cb49f856cfc6c767db17bea39794922cadf97fe1a61a5a5e5b12255fa1b208b219

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
b0d8ab28bb6db905bcb5e4019494be07

SHA1
22683e43ce65c29df75f7e5f20e598b32255fa7a

SHA256
f78fa3a9ca54224170b4497cb4437f7e761e2477f6cc12dbda7639eb4e270164

SHA512
df702b4b8594186850396dbfcb1cd18d287bbf2bd83dc9cf29a395bb012d82cb49f856cfc6c767db17bea39794922cadf97fe1a61a5a5e5b12255fa1b208b219

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
b0d8ab28bb6db905bcb5e4019494be07

SHA1
22683e43ce65c29df75f7e5f20e598b32255fa7a

SHA256
f78fa3a9ca54224170b4497cb4437f7e761e2477f6cc12dbda7639eb4e270164

SHA512
df702b4b8594186850396dbfcb1cd18d287bbf2bd83dc9cf29a395bb012d82cb49f856cfc6c767db17bea39794922cadf97fe1a61a5a5e5b12255fa1b208b219

Download Submit
C:\autorun.inf

Filesize
190B

MD5
b1445c7f646c6ca9a7597791af38d575

SHA1
91efaf63fa1f7a51ee2f9b1c3b0f8932f15439ce

SHA256
220517d50470c86d94020cebcd03af286898e65338f468dc5f860dc04af2c88e

SHA512
533349278b6d186f0f3947681e90dcc7f617e146736798e6fc23e79d61610f1f7b2e4b4241b296884622fbd6b1cf73dc694a852e05bf4235da8ed40b70c5683f

Download Submit
\Users\Admin\LSASS.exe

Filesize
472KB

MD5
4968a69f1fc56e0c4335ad8579eeb0b3

SHA1
0114a51261f01420ac1aade1475929a106fcd3be

SHA256
7a057bca5d2df91f28675115cf363a541d3bbe6fb74a0bd2df3c209c924183a0

SHA512
e2dcefc63f1353cc30bc3ed05e0db488024f4102cf62dfe28c76914bce396a82ab05cb6ad7ddb7e7cc26a53f1b9ee15a815039570dfc86858a2a16d706f5d545

Download Submit
\Users\Admin\LSASS.exe

Filesize
472KB

MD5
4968a69f1fc56e0c4335ad8579eeb0b3

SHA1
0114a51261f01420ac1aade1475929a106fcd3be

SHA256
7a057bca5d2df91f28675115cf363a541d3bbe6fb74a0bd2df3c209c924183a0

SHA512
e2dcefc63f1353cc30bc3ed05e0db488024f4102cf62dfe28c76914bce396a82ab05cb6ad7ddb7e7cc26a53f1b9ee15a815039570dfc86858a2a16d706f5d545

Download Submit
memory/2076-195-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-29-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-216-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-12-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2076-24-0x000000000A040000-0x000000000A0BD000-memory.dmp

Filesize
500KB

Download
memory/2076-271-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-11-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-178-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-161-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-250-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-40-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-144-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-49-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-58-0x000000000A040000-0x000000000A0BD000-memory.dmp

Filesize
500KB

Download
memory/2076-71-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-88-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2076-105-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2380-13-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2380-0-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2380-9-0x000000000B070000-0x000000000B0ED000-memory.dmp

Filesize
500KB

Download
memory/2380-1-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2740-28-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2740-26-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2740-27-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download