4b30f308a5f0cf34361f5a53f2d73c523188adbbd9ac264275946197a3a8aa28

Resubmissions

03-03-2024 13:51

240303-q5vgpscb85 10

03-03-2024 13:45

240303-q2r76sbd9y 10

Analysis

max time kernel
4s
max time network
17s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-03-2024 13:51

Sharing

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Reason

Machine shutdown

Report Analysis Logs

General

Target

Trojan.Win32.000.exe
Size

6.7MB
MD5

d5671758956b39e048680b6a8275e96a
SHA1

33c341130bf9c93311001a6284692c86fec200ef
SHA256

4a900b344ef765a66f98cf39ac06273d565ca0f5d19f7ea4ca183786155d4a47
SHA512

972e89ed8b7b4d75df0a05c53e71fb5c29edaa173d7289656676b9d2a1ed439be1687beddc6fb1fbf068868c3da9c3d2deb03b55e5ab5e7968858b5efc49fbe7
SSDEEP

3072:V3LA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuzzo9Y:lLJlC6j0CX4XmvWHVcd62uo9

Score

8^/10

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

Processes:

Trojan.Win32.000.exe

description	ioc	process
File opened (read-only)	\??\B:	Trojan.Win32.000.exe
File opened (read-only)	\??\K:	Trojan.Win32.000.exe
File opened (read-only)	\??\P:	Trojan.Win32.000.exe
File opened (read-only)	\??\U:	Trojan.Win32.000.exe
File opened (read-only)	\??\A:	Trojan.Win32.000.exe
File opened (read-only)	\??\J:	Trojan.Win32.000.exe
File opened (read-only)	\??\L:	Trojan.Win32.000.exe
File opened (read-only)	\??\N:	Trojan.Win32.000.exe
File opened (read-only)	\??\Q:	Trojan.Win32.000.exe
File opened (read-only)	\??\R:	Trojan.Win32.000.exe
File opened (read-only)	\??\W:	Trojan.Win32.000.exe
File opened (read-only)	\??\Y:	Trojan.Win32.000.exe
File opened (read-only)	\??\Z:	Trojan.Win32.000.exe
File opened (read-only)	\??\G:	Trojan.Win32.000.exe
File opened (read-only)	\??\M:	Trojan.Win32.000.exe
File opened (read-only)	\??\O:	Trojan.Win32.000.exe
File opened (read-only)	\??\X:	Trojan.Win32.000.exe
File opened (read-only)	\??\E:	Trojan.Win32.000.exe
File opened (read-only)	\??\H:	Trojan.Win32.000.exe
File opened (read-only)	\??\I:	Trojan.Win32.000.exe
File opened (read-only)	\??\S:	Trojan.Win32.000.exe
File opened (read-only)	\??\T:	Trojan.Win32.000.exe
File opened (read-only)	\??\V:	Trojan.Win32.000.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

Trojan.Win32.000.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\AutoRestartShell = "0"	Trojan.Win32.000.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs
ransomware

Defacement
T1491

Modify Registry
T1112

Processes:

Trojan.Win32.000.exe

description ioc process

Set value (str) \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\Desktop\Wallpaper Trojan.Win32.000.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Kills process with taskkill 2 IoCs
evasion

Processes:

taskkill.exetaskkill.exe

pid process

3636 taskkill.exe
872 taskkill.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\Desktop\Wallpaper	Trojan.Win32.000.exe

pid	process
3636	taskkill.exe
872	taskkill.exe

Modifies registry class 2 IoCs

Processes:

Trojan.Win32.000.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\icon.ico"	Trojan.Win32.000.exe
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-983155329-280873152-1838004294-1000\{D242C395-8CD7-4950-82C0-2A31394D5983}	Trojan.Win32.000.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

taskkill.exeTrojan.Win32.000.exetaskkill.exeWMIC.exeWMIC.exe

description	pid	process
Token: SeDebugPrivilege	872	taskkill.exe
Token: SeShutdownPrivilege	4580	Trojan.Win32.000.exe
Token: SeCreatePagefilePrivilege	4580	Trojan.Win32.000.exe
Token: SeDebugPrivilege	3636	taskkill.exe
Token: SeIncreaseQuotaPrivilege	4836	WMIC.exe
Token: SeSecurityPrivilege	4836	WMIC.exe
Token: SeTakeOwnershipPrivilege	4836	WMIC.exe
Token: SeLoadDriverPrivilege	4836	WMIC.exe
Token: SeSystemProfilePrivilege	4836	WMIC.exe
Token: SeSystemtimePrivilege	4836	WMIC.exe
Token: SeProfSingleProcessPrivilege	4836	WMIC.exe
Token: SeIncBasePriorityPrivilege	4836	WMIC.exe
Token: SeCreatePagefilePrivilege	4836	WMIC.exe
Token: SeBackupPrivilege	4836	WMIC.exe
Token: SeRestorePrivilege	4836	WMIC.exe
Token: SeShutdownPrivilege	4836	WMIC.exe
Token: SeDebugPrivilege	4836	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4836	WMIC.exe
Token: SeRemoteShutdownPrivilege	4836	WMIC.exe
Token: SeUndockPrivilege	4836	WMIC.exe
Token: SeManageVolumePrivilege	4836	WMIC.exe
Token: 33	4836	WMIC.exe
Token: 34	4836	WMIC.exe
Token: 35	4836	WMIC.exe
Token: 36	4836	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4836	WMIC.exe
Token: SeSecurityPrivilege	4836	WMIC.exe
Token: SeTakeOwnershipPrivilege	4836	WMIC.exe
Token: SeLoadDriverPrivilege	4836	WMIC.exe
Token: SeSystemProfilePrivilege	4836	WMIC.exe
Token: SeSystemtimePrivilege	4836	WMIC.exe
Token: SeProfSingleProcessPrivilege	4836	WMIC.exe
Token: SeIncBasePriorityPrivilege	4836	WMIC.exe
Token: SeCreatePagefilePrivilege	4836	WMIC.exe
Token: SeBackupPrivilege	4836	WMIC.exe
Token: SeRestorePrivilege	4836	WMIC.exe
Token: SeShutdownPrivilege	4836	WMIC.exe
Token: SeDebugPrivilege	4836	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4836	WMIC.exe
Token: SeRemoteShutdownPrivilege	4836	WMIC.exe
Token: SeUndockPrivilege	4836	WMIC.exe
Token: SeManageVolumePrivilege	4836	WMIC.exe
Token: 33	4836	WMIC.exe
Token: 34	4836	WMIC.exe
Token: 35	4836	WMIC.exe
Token: 36	4836	WMIC.exe
Token: SeIncreaseQuotaPrivilege	3196	WMIC.exe
Token: SeSecurityPrivilege	3196	WMIC.exe
Token: SeTakeOwnershipPrivilege	3196	WMIC.exe
Token: SeLoadDriverPrivilege	3196	WMIC.exe
Token: SeSystemProfilePrivilege	3196	WMIC.exe
Token: SeSystemtimePrivilege	3196	WMIC.exe
Token: SeProfSingleProcessPrivilege	3196	WMIC.exe
Token: SeIncBasePriorityPrivilege	3196	WMIC.exe
Token: SeCreatePagefilePrivilege	3196	WMIC.exe
Token: SeBackupPrivilege	3196	WMIC.exe
Token: SeRestorePrivilege	3196	WMIC.exe
Token: SeShutdownPrivilege	3196	WMIC.exe
Token: SeDebugPrivilege	3196	WMIC.exe
Token: SeSystemEnvironmentPrivilege	3196	WMIC.exe
Token: SeRemoteShutdownPrivilege	3196	WMIC.exe
Token: SeUndockPrivilege	3196	WMIC.exe
Token: SeManageVolumePrivilege	3196	WMIC.exe
Token: 33	3196	WMIC.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Trojan.Win32.000.exe

pid process

4580 Trojan.Win32.000.exe
4580 Trojan.Win32.000.exe

pid	process
4580	Trojan.Win32.000.exe
4580	Trojan.Win32.000.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Trojan.Win32.000.execmd.exe

description	pid	process	target process
PID 4580 wrote to memory of 1180	4580	Trojan.Win32.000.exe	cmd.exe
PID 4580 wrote to memory of 1180	4580	Trojan.Win32.000.exe	cmd.exe
PID 4580 wrote to memory of 1180	4580	Trojan.Win32.000.exe	cmd.exe
PID 1180 wrote to memory of 872	1180	cmd.exe	taskkill.exe
PID 1180 wrote to memory of 872	1180	cmd.exe	taskkill.exe
PID 1180 wrote to memory of 872	1180	cmd.exe	taskkill.exe
PID 1180 wrote to memory of 3636	1180	cmd.exe	taskkill.exe
PID 1180 wrote to memory of 3636	1180	cmd.exe	taskkill.exe
PID 1180 wrote to memory of 3636	1180	cmd.exe	taskkill.exe
PID 1180 wrote to memory of 4836	1180	cmd.exe	WMIC.exe
PID 1180 wrote to memory of 4836	1180	cmd.exe	WMIC.exe
PID 1180 wrote to memory of 4836	1180	cmd.exe	WMIC.exe
PID 1180 wrote to memory of 3196	1180	cmd.exe	WMIC.exe
PID 1180 wrote to memory of 3196	1180	cmd.exe	WMIC.exe
PID 1180 wrote to memory of 3196	1180	cmd.exe	WMIC.exe

C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.000.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.Win32.000.exe"
1⤵
- Enumerates connected drives
- Modifies WinLogon
- Sets desktop wallpaper using registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4580
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\windl.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1180
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im explorer.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:872
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im taskmgr.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:3636
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic useraccount where name='Admin' set FullName='UR NEXT'
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4836
- - C:\Windows\SysWOW64\Wbem\WMIC.exe
    wmic useraccount where name='Admin' rename 'UR NEXT'
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:3196
- - C:\Windows\SysWOW64\shutdown.exe
    shutdown /f /r /t 0
    3⤵
    PID:2796

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa399a855 /state1:0x41c64e6d
1⤵
PID:4772

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

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

Filesize
896KB

MD5
8d45d3ad6e32bc698d74346a69f2a888

SHA1
24df9ae01846516b14608c9164d540632f316fc4

SHA256
132bc12ada090bd287b516974843da65ac38ed558a624507ad48f944a2516ca2

SHA512
bef14b9890930e51229a936d3838d0df7d8f6107930529f99fe3c7be5e48db9da60cd0531535a7570e702c6786c7563c01127f6ba93565bda57e039b00c30549

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\text.txt

Filesize
396B

MD5
9037ebf0a18a1c17537832bc73739109

SHA1
1d951dedfa4c172a1aa1aae096cfb576c1fb1d60

SHA256
38c889b5d7bdcb79bbcb55554c520a9ce74b5bfc29c19d1e4cb1419176c99f48

SHA512
4fb5c06089524c6dcd48b6d165cedb488e9efe2d27613289ef8834dbb6c010632d2bd5e3ac75f83b1d8024477ebdf05b9e0809602bbe1780528947c36e4de32f

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

Filesize
771B

MD5
a9401e260d9856d1134692759d636e92

SHA1
4141d3c60173741e14f36dfe41588bb2716d2867

SHA256
b551fba71dfd526d4916ae277d8686d83fff36d22fcf6f18457924a070b30ef7

SHA512
5cbe38cdab0283b87d9a9875f7ba6fa4e8a7673d933ca05deddddbcf6cf793bd1bf34ac0add798b4ed59ab483e49f433ce4012f571a658bc0add28dd987a57b6

Download Submit
memory/4580-35-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-41-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-23-0x000000000BC80000-0x000000000BC8E000-memory.dmp

Filesize
56KB

Download
memory/4580-11-0x0000000005E10000-0x0000000005E20000-memory.dmp

Filesize
64KB

Download
memory/4580-29-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-31-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-33-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-34-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-0-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-36-0x000000000CF30000-0x000000000CF40000-memory.dmp

Filesize
64KB

Download
memory/4580-37-0x000000000CF30000-0x000000000CF40000-memory.dmp

Filesize
64KB

Download
memory/4580-22-0x000000000C870000-0x000000000C8A8000-memory.dmp

Filesize
224KB

Download
memory/4580-42-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-43-0x000000000CF30000-0x000000000CF40000-memory.dmp

Filesize
64KB

Download
memory/4580-39-0x000000000CF30000-0x000000000CF40000-memory.dmp

Filesize
64KB

Download
memory/4580-38-0x000000000CC70000-0x000000000CC80000-memory.dmp

Filesize
64KB

Download
memory/4580-44-0x000000000CF30000-0x000000000CF40000-memory.dmp

Filesize
64KB

Download
memory/4580-3-0x0000000006550000-0x0000000006AF4000-memory.dmp

Filesize
5.6MB

Download
memory/4580-2-0x0000000005E10000-0x0000000005E20000-memory.dmp

Filesize
64KB

Download
memory/4580-1-0x0000000000E40000-0x00000000014EE000-memory.dmp

Filesize
6.7MB

Download
memory/4580-863-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download
memory/4580-864-0x0000000074720000-0x0000000074ED0000-memory.dmp

Filesize
7.7MB

Download

Resubmissions

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads