4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 20:06

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General

Target

4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
Size

472KB
MD5

322e4700befb566eba9229da6658b653
SHA1

1248ee6b70b64c941d3bb9bde4cfdf28231894d8
SHA256

4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa
SHA512

d0ebb218cd78e026ace19ca6850509cc84e87a933454d7eaaa0db6e2adbad9e512c77213bc2e58acf95e800d749fe573a806817020a33653f31a38a8560fdf4c
SSDEEP

6144:cf+Jjjou35J6i5plrzuo6/LkeYvjoIHnv0RX/VwFdLD/7MsrYMC+9GXL9M8sG3dr:bj8u3ui5pl+uBvc/V0FdYxJdRqMv

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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	LSASS.exe

Executes dropped EXE 2 IoCs

pid	Process
2360	LSASS.exe
3728	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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysUtils = "C:\\Windows\\LSASS.exe"	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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-1-5-21-983155329-280873152-1838004294-1000\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)	\??\T:	LSASS.exe
File opened (read-only)	\??\E:	LSASS.exe
File opened (read-only)	\??\O:	LSASS.exe
File opened (read-only)	\??\R:	LSASS.exe
File opened (read-only)	\??\X:	LSASS.exe
File opened (read-only)	\??\J:	LSASS.exe
File opened (read-only)	\??\K:	LSASS.exe
File opened (read-only)	\??\W:	LSASS.exe
File opened (read-only)	\??\N:	LSASS.exe
File opened (read-only)	\??\P:	LSASS.exe
File opened (read-only)	\??\U:	LSASS.exe
File opened (read-only)	\??\V:	LSASS.exe
File opened (read-only)	\??\Y:	LSASS.exe
File opened (read-only)	\??\H:	LSASS.exe
File opened (read-only)	\??\I:	LSASS.exe
File opened (read-only)	\??\L:	LSASS.exe
File opened (read-only)	\??\Z:	LSASS.exe
File opened (read-only)	\??\S:	LSASS.exe
File opened (read-only)	\??\G:	LSASS.exe
File opened (read-only)	\??\M:	LSASS.exe
File opened (read-only)	\??\Q:	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	F:\autorun.inf	LSASS.exe
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

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\LSASS.exe	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
File opened for modification	C:\Windows\LSASS.exe	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.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\	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	LSASS.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4784	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
4784	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
4784	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
4784	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
3728	LSASS.exe
3728	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe
2360	LSASS.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 2360	4784	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe	91
PID 4784 wrote to memory of 2360	4784	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe	91
PID 4784 wrote to memory of 2360	4784	4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe	91
PID 2360 wrote to memory of 2236	2360	LSASS.exe	98
PID 2360 wrote to memory of 2236	2360	LSASS.exe	98
PID 2360 wrote to memory of 2236	2360	LSASS.exe	98
PID 2360 wrote to memory of 1560	2360	LSASS.exe	99
PID 2360 wrote to memory of 1560	2360	LSASS.exe	99
PID 2360 wrote to memory of 1560	2360	LSASS.exe	99
PID 2360 wrote to memory of 3728	2360	LSASS.exe	102
PID 2360 wrote to memory of 3728	2360	LSASS.exe	102
PID 2360 wrote to memory of 3728	2360	LSASS.exe	102
PID 2360 wrote to memory of 4528	2360	LSASS.exe	106
PID 2360 wrote to memory of 4528	2360	LSASS.exe	106
PID 2360 wrote to memory of 4528	2360	LSASS.exe	106
PID 2360 wrote to memory of 4036	2360	LSASS.exe	107
PID 2360 wrote to memory of 4036	2360	LSASS.exe	107
PID 2360 wrote to memory of 4036	2360	LSASS.exe	107
PID 2360 wrote to memory of 2236	2360	LSASS.exe	113
PID 2360 wrote to memory of 2236	2360	LSASS.exe	113
PID 2360 wrote to memory of 2236	2360	LSASS.exe	113
PID 2360 wrote to memory of 4000	2360	LSASS.exe	114
PID 2360 wrote to memory of 4000	2360	LSASS.exe	114
PID 2360 wrote to memory of 4000	2360	LSASS.exe	114
PID 2360 wrote to memory of 1708	2360	LSASS.exe	118
PID 2360 wrote to memory of 1708	2360	LSASS.exe	118
PID 2360 wrote to memory of 1708	2360	LSASS.exe	118
PID 2360 wrote to memory of 3968	2360	LSASS.exe	119
PID 2360 wrote to memory of 3968	2360	LSASS.exe	119
PID 2360 wrote to memory of 3968	2360	LSASS.exe	119

C:\Users\Admin\AppData\Local\Temp\4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe
"C:\Users\Admin\AppData\Local\Temp\4932262152b570800f0e595a0034ee2305edef7ed1d1e7914b771a40ea03c9aa.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4784
- 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:2360
- - 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:2236
- - 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:1560
- - C:\Users\Admin\LSASS.exe
    "C:\Users\Admin\LSASS.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:3728
- - 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:4528
- - 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:4036
- - 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:2236
- - 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:4000
- - 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:1708
- - 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:3968

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
72a0d7e753defd34cd5d5d1bd144b28e

SHA1
e936ec31ec66c2601789bc2dae1a9e38a91946fd

SHA256
849800feb515ec360c75de5ad8fe9df004e869b1dfb5983b8a77c8e8166a225e

SHA512
245b794fbe2f0001af7a4cf4d7b33e5887f01607f1bd30a0e023cb37940b2c6064bfdd6531e6e2df3648b2fdc4ec4bf8f5191d5e8308090123c67c855e488b77

Download Submit
C:\Windows\LSASS.exe

Filesize
472KB

MD5
2ace02dcae8950ac118fe8249c1b6a77

SHA1
667eb1cd71732253efc552070225d268930929cf

SHA256
7f3650540e9cd855e5ab96384fa2050cd6bf086a517da74f2fed23a40a328a1e

SHA512
e13a68c47379bed2ba364be042b82b40e1be93bd59202fcbc6a652e9a4236573b1f964c930aa32f1f70174137810db591b77d5fd0261d142299348daeca5f24b

Download Submit
C:\autorun.inf

Filesize
190B

MD5
b1445c7f646c6ca9a7597791af38d575

SHA1
91efaf63fa1f7a51ee2f9b1c3b0f8932f15439ce

SHA256
220517d50470c86d94020cebcd03af286898e65338f468dc5f860dc04af2c88e

SHA512
533349278b6d186f0f3947681e90dcc7f617e146736798e6fc23e79d61610f1f7b2e4b4241b296884622fbd6b1cf73dc694a852e05bf4235da8ed40b70c5683f

Download Submit
memory/2360-223-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-244-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-337-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-320-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-295-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-278-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-150-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-133-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-124-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-171-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-36-0x00000000041D0000-0x00000000041D1000-memory.dmp

Filesize
4KB

Download
memory/2360-261-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-34-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-188-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-206-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/2360-113-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/3728-112-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/3728-111-0x00000000041D0000-0x00000000041D1000-memory.dmp

Filesize
4KB

Download
memory/3728-109-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4784-0-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4784-1-0x0000000001560000-0x0000000001561000-memory.dmp

Filesize
4KB

Download
memory/4784-37-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download