9d3fe04d88c401178165f7fbdf307ac0fb690cc5fef8b70ee7f380307d4748f8

Analysis

max time kernel
6s
max time network
18s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
10-08-2024 14:08

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Reason

Machine shutdown

Report Analysis Logs

General

Target

[email protected]
Size

6.7MB
MD5

f2b7074e1543720a9a98fda660e02688
SHA1

1029492c1a12789d8af78d54adcb921e24b9e5ca
SHA256

4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
SHA512

73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
SSDEEP

3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9

Score

8^/10

discovery evasion persistence ransomware

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Enumerates connected drives 3 TTPs 23 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)	\??\A:	[email protected]
File opened (read-only)	\??\M:	[email protected]
File opened (read-only)	\??\N:	[email protected]
File opened (read-only)	\??\P:	[email protected]
File opened (read-only)	\??\R:	[email protected]
File opened (read-only)	\??\X:	[email protected]
File opened (read-only)	\??\B:	[email protected]
File opened (read-only)	\??\G:	[email protected]
File opened (read-only)	\??\O:	[email protected]
File opened (read-only)	\??\T:	[email protected]
File opened (read-only)	\??\U:	[email protected]
File opened (read-only)	\??\V:	[email protected]
File opened (read-only)	\??\W:	[email protected]
File opened (read-only)	\??\Y:	[email protected]
File opened (read-only)	\??\E:	[email protected]
File opened (read-only)	\??\J:	[email protected]
File opened (read-only)	\??\K:	[email protected]
File opened (read-only)	\??\L:	[email protected]
File opened (read-only)	\??\Q:	[email protected]
File opened (read-only)	\??\S:	[email protected]
File opened (read-only)	\??\Z:	[email protected]
File opened (read-only)	\??\H:	[email protected]
File opened (read-only)	\??\I:	[email protected]

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0"	[email protected]

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1287768749-810021449-2672985988-1000\Control Panel\Desktop\Wallpaper	[email protected]

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WMIC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	[email protected]
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
1532	taskkill.exe
4248	taskkill.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon	[email protected]
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile	[email protected]
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\icon.ico"	[email protected]
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1287768749-810021449-2672985988-1000\{52891515-0522-4E4F-854A-F97F9735C93F}	[email protected]

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	taskkill.exe
Token: SeShutdownPrivilege	3556	[email protected]
Token: SeCreatePagefilePrivilege	3556	[email protected]
Token: SeDebugPrivilege	4248	taskkill.exe
Token: SeIncreaseQuotaPrivilege	2020	WMIC.exe
Token: SeSecurityPrivilege	2020	WMIC.exe
Token: SeTakeOwnershipPrivilege	2020	WMIC.exe
Token: SeLoadDriverPrivilege	2020	WMIC.exe
Token: SeSystemProfilePrivilege	2020	WMIC.exe
Token: SeSystemtimePrivilege	2020	WMIC.exe
Token: SeProfSingleProcessPrivilege	2020	WMIC.exe
Token: SeIncBasePriorityPrivilege	2020	WMIC.exe
Token: SeCreatePagefilePrivilege	2020	WMIC.exe
Token: SeBackupPrivilege	2020	WMIC.exe
Token: SeRestorePrivilege	2020	WMIC.exe
Token: SeShutdownPrivilege	2020	WMIC.exe
Token: SeDebugPrivilege	2020	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2020	WMIC.exe
Token: SeRemoteShutdownPrivilege	2020	WMIC.exe
Token: SeUndockPrivilege	2020	WMIC.exe
Token: SeManageVolumePrivilege	2020	WMIC.exe
Token: 33	2020	WMIC.exe
Token: 34	2020	WMIC.exe
Token: 35	2020	WMIC.exe
Token: 36	2020	WMIC.exe
Token: SeIncreaseQuotaPrivilege	2020	WMIC.exe
Token: SeSecurityPrivilege	2020	WMIC.exe
Token: SeTakeOwnershipPrivilege	2020	WMIC.exe
Token: SeLoadDriverPrivilege	2020	WMIC.exe
Token: SeSystemProfilePrivilege	2020	WMIC.exe
Token: SeSystemtimePrivilege	2020	WMIC.exe
Token: SeProfSingleProcessPrivilege	2020	WMIC.exe
Token: SeIncBasePriorityPrivilege	2020	WMIC.exe
Token: SeCreatePagefilePrivilege	2020	WMIC.exe
Token: SeBackupPrivilege	2020	WMIC.exe
Token: SeRestorePrivilege	2020	WMIC.exe
Token: SeShutdownPrivilege	2020	WMIC.exe
Token: SeDebugPrivilege	2020	WMIC.exe
Token: SeSystemEnvironmentPrivilege	2020	WMIC.exe
Token: SeRemoteShutdownPrivilege	2020	WMIC.exe
Token: SeUndockPrivilege	2020	WMIC.exe
Token: SeManageVolumePrivilege	2020	WMIC.exe
Token: 33	2020	WMIC.exe
Token: 34	2020	WMIC.exe
Token: 35	2020	WMIC.exe
Token: 36	2020	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1404	WMIC.exe
Token: SeSecurityPrivilege	1404	WMIC.exe
Token: SeTakeOwnershipPrivilege	1404	WMIC.exe
Token: SeLoadDriverPrivilege	1404	WMIC.exe
Token: SeSystemProfilePrivilege	1404	WMIC.exe
Token: SeSystemtimePrivilege	1404	WMIC.exe
Token: SeProfSingleProcessPrivilege	1404	WMIC.exe
Token: SeIncBasePriorityPrivilege	1404	WMIC.exe
Token: SeCreatePagefilePrivilege	1404	WMIC.exe
Token: SeBackupPrivilege	1404	WMIC.exe
Token: SeRestorePrivilege	1404	WMIC.exe
Token: SeShutdownPrivilege	1404	WMIC.exe
Token: SeDebugPrivilege	1404	WMIC.exe
Token: SeSystemEnvironmentPrivilege	1404	WMIC.exe
Token: SeRemoteShutdownPrivilege	1404	WMIC.exe
Token: SeUndockPrivilege	1404	WMIC.exe
Token: SeManageVolumePrivilege	1404	WMIC.exe
Token: 33	1404	WMIC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3556	[email protected]
3556	[email protected]

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 1636	3556	[email protected]	82
PID 3556 wrote to memory of 1636	3556	[email protected]	82
PID 3556 wrote to memory of 1636	3556	[email protected]	82
PID 1636 wrote to memory of 1532	1636	cmd.exe	84
PID 1636 wrote to memory of 1532	1636	cmd.exe	84
PID 1636 wrote to memory of 1532	1636	cmd.exe	84
PID 1636 wrote to memory of 4248	1636	cmd.exe	86
PID 1636 wrote to memory of 4248	1636	cmd.exe	86
PID 1636 wrote to memory of 4248	1636	cmd.exe	86
PID 1636 wrote to memory of 2020	1636	cmd.exe	87
PID 1636 wrote to memory of 2020	1636	cmd.exe	87
PID 1636 wrote to memory of 2020	1636	cmd.exe	87
PID 1636 wrote to memory of 1404	1636	cmd.exe	88
PID 1636 wrote to memory of 1404	1636	cmd.exe	88
PID 1636 wrote to memory of 1404	1636	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\[email protected]
"C:\Users\Admin\AppData\Local\Temp\[email protected]"
1⤵
- Enumerates connected drives
- Modifies WinLogon
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1636
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1532
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im taskmgr.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4248
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic useraccount where name='Admin' set FullName='UR NEXT'
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2020
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic useraccount where name='Admin' rename 'UR NEXT'
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:1404
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown /f /r /t 0
    3⤵
    PID:1548

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a24055 /state1:0x41c64e6d
1⤵
PID:3448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

Filesize
576KB

MD5
c016f47d3fd041af81f6471fcec9fa0c

SHA1
846e670a9c8ef923209f9c259151998fdc12ebfc

SHA256
dd6736db1f47d0ed4faeaceaf83f653e59bc3f480e5ee814bb71426124112667

SHA512
646f6b9f54481152fc00c9ad318cca6cef043297612401fcec44e7bf764072c3d18090be35d84219e955f5b5712d9206eacd67f3d3a62a28e9415738bc951ced

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

Filesize
9KB

MD5
7050d5ae8acfbe560fa11073fef8185d

SHA1
5bc38e77ff06785fe0aec5a345c4ccd15752560e

SHA256
cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

SHA512
a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

Download Submit
C:\Users\Admin\AppData\Local\Temp\one.rtf

Filesize
403B

MD5
6fbd6ce25307749d6e0a66ebbc0264e7

SHA1
faee71e2eac4c03b96aabecde91336a6510fff60

SHA256
e152b106733d9263d3cf175f0b6197880d70acb753f8bde8035a3e4865b31690

SHA512
35a0d6d91178ec10619cf4d2fd44d3e57aa0266e1779e15b1eef6e9c359c77c384e0ffe4edb2cde980a6847e53f47733e6eacb72d46762066b3541dee3d29064

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

Filesize
76KB

MD5
9232120b6ff11d48a90069b25aa30abc

SHA1
97bb45f4076083fca037eee15d001fd284e53e47

SHA256
70faa0e1498461731f873d3594f20cbf2beaa6f123a06b66f9df59a9cdf862be

SHA512
b06688a9fc0b853d2895f11e812c48d5871f2793183fda5e9638ded22fc5dc1e813f174baedc980a1f0b6a7b0a65cd61f29bb16acc6dd45da62988eb012d6877

Download Submit
C:\Users\Admin\AppData\Local\Temp\windl.bat

Filesize
771B

MD5
a9401e260d9856d1134692759d636e92

SHA1
4141d3c60173741e14f36dfe41588bb2716d2867

SHA256
b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7

SHA512
5cbe38cdab0283b87d9a9875f7ba6fa4e8a7673d933ca05deddddbcf6cf793bd1bf34ac0add798b4ed59ab483e49f433ce4012f571a658bc0add28dd987a57b6

Download Submit
C:\Users\Admin\Desktop\UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR NEXT UR N1XT.txt

Filesize
396B

MD5
9037ebf0a18a1c17537832bc73739109

SHA1
1d951dedfa4c172a1aa1aae096cfb576c1fb1d60

SHA256
38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48

SHA512
4fb5c06089524c6dcd48b6d165cedb488e9efe2d27613289ef8834dbb6c010632d2bd5e3ac75f83b1d8024477ebdf05b9e0809602bbe1780528947c36e4de32f

Download Submit
memory/3556-32-0x000000000C5B0000-0x000000000C5C0000-memory.dmp

Filesize
64KB

Download
memory/3556-34-0x000000000C460000-0x000000000C470000-memory.dmp

Filesize
64KB

Download
memory/3556-25-0x000000000C240000-0x000000000C278000-memory.dmp

Filesize
224KB

Download
memory/3556-26-0x000000000C210000-0x000000000C21E000-memory.dmp

Filesize
56KB

Download
memory/3556-0-0x00007FFF9C6A0000-0x00007FFF9C8A9000-memory.dmp

Filesize
2.0MB

Download
memory/3556-31-0x000000000C5B0000-0x000000000C5C0000-memory.dmp

Filesize
64KB

Download
memory/3556-30-0x000000000C5B0000-0x000000000C5C0000-memory.dmp

Filesize
64KB

Download
memory/3556-29-0x000000000C5B0000-0x000000000C5C0000-memory.dmp

Filesize
64KB

Download
memory/3556-33-0x000000000C460000-0x000000000C470000-memory.dmp

Filesize
64KB

Download
memory/3556-11-0x00007FFF9C6A0000-0x00007FFF9C8A9000-memory.dmp

Filesize
2.0MB

Download
memory/3556-36-0x000000000C5B0000-0x000000000C5C0000-memory.dmp

Filesize
64KB

Download
memory/3556-35-0x000000000C5B0000-0x000000000C5C0000-memory.dmp

Filesize
64KB

Download
memory/3556-37-0x000000000C460000-0x000000000C470000-memory.dmp

Filesize
64KB

Download
memory/3556-3-0x0000000006770000-0x0000000006D16000-memory.dmp

Filesize
5.6MB

Download
memory/3556-2-0x00007FFF9C6A0000-0x00007FFF9C8A9000-memory.dmp

Filesize
2.0MB

Download
memory/3556-1-0x0000000000F20000-0x00000000015CE000-memory.dmp

Filesize
6.7MB

Download
memory/3556-856-0x00007FFF9C6A0000-0x00007FFF9C8A9000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads