94ccbafb8cebaffb3a3e79c31e0b16dcef16f9caae6dad02b093ee84fc16f49b

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2023, 03:45

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General

Target

d664295e0760cfc993320b34a1c9a0e7.exe
Size

560KB
MD5

d664295e0760cfc993320b34a1c9a0e7
SHA1

14a57de65343990a557963c4ed69fd1243c729f5
SHA256

94ccbafb8cebaffb3a3e79c31e0b16dcef16f9caae6dad02b093ee84fc16f49b
SHA512

52a4ad444978ff902da3ae4391bb37c3715aeb67e2bb7fa4fb16fdde7f62af3344211d00ccbde8bdbb05a012579c5a476d0ba74a008572fd49efdb09b2cc1504
SSDEEP

12288:1PVV/jr///zyXGyBcw/aNPRWPXA1mrahYJfuy:tjD3zyXJBceOJW0mrhf

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 10 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\d664295e0760cfc993320b34a1c9a0e7.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\d664295e0760cfc993320b34a1c9a0e7.exe:*:Enabled:Windows Messanger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\updates.exe = "C:\\Users\\Admin\\AppData\\Roaming\\updates.exe:*:Enabled:Windows Messanger"	reg.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	d664295e0760cfc993320b34a1c9a0e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\winlogon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\updates.exe"	d664295e0760cfc993320b34a1c9a0e7.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{CC3CD73D-DC9A-EABD-1EFA-AEEC7BF3EAF6}	d664295e0760cfc993320b34a1c9a0e7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{CC3CD73D-DC9A-EABD-1EFA-AEEC7BF3EAF6}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\updates.exe"	d664295e0760cfc993320b34a1c9a0e7.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{CC3CD73D-DC9A-EABD-1EFA-AEEC7BF3EAF6}	d664295e0760cfc993320b34a1c9a0e7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{CC3CD73D-DC9A-EABD-1EFA-AEEC7BF3EAF6}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\updates.exe"	d664295e0760cfc993320b34a1c9a0e7.exe

Adds Run key to start application 2 TTPs 4 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\winlogon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\updates.exe"	d664295e0760cfc993320b34a1c9a0e7.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	d664295e0760cfc993320b34a1c9a0e7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winlogon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\updates.exe"	d664295e0760cfc993320b34a1c9a0e7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	d664295e0760cfc993320b34a1c9a0e7.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{A0493D5E-A61C-4FAE-B5C3-A7F814DDB76D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.dat	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.dat	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
3156	reg.exe
2564	reg.exe
4272	reg.exe
3244	reg.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: 1	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeCreateTokenPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeAssignPrimaryTokenPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeLockMemoryPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeIncreaseQuotaPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeMachineAccountPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeTcbPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeSecurityPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeTakeOwnershipPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeLoadDriverPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeSystemProfilePrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeSystemtimePrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeProfSingleProcessPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeIncBasePriorityPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeCreatePagefilePrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeCreatePermanentPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeBackupPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeRestorePrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeShutdownPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeDebugPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeAuditPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeSystemEnvironmentPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeChangeNotifyPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeRemoteShutdownPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeUndockPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeSyncAgentPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeEnableDelegationPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeManageVolumePrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeImpersonatePrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeCreateGlobalPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: 31	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: 32	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: 33	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: 34	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: 35	1848	d664295e0760cfc993320b34a1c9a0e7.exe
Token: SeDebugPrivilege	1848	d664295e0760cfc993320b34a1c9a0e7.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1848	d664295e0760cfc993320b34a1c9a0e7.exe
1848	d664295e0760cfc993320b34a1c9a0e7.exe
1848	d664295e0760cfc993320b34a1c9a0e7.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 1088	1848	d664295e0760cfc993320b34a1c9a0e7.exe	81
PID 1848 wrote to memory of 1088	1848	d664295e0760cfc993320b34a1c9a0e7.exe	81
PID 1848 wrote to memory of 1088	1848	d664295e0760cfc993320b34a1c9a0e7.exe	81
PID 1848 wrote to memory of 4704	1848	d664295e0760cfc993320b34a1c9a0e7.exe	82
PID 1848 wrote to memory of 4704	1848	d664295e0760cfc993320b34a1c9a0e7.exe	82
PID 1848 wrote to memory of 4704	1848	d664295e0760cfc993320b34a1c9a0e7.exe	82
PID 1848 wrote to memory of 3908	1848	d664295e0760cfc993320b34a1c9a0e7.exe	88
PID 1848 wrote to memory of 3908	1848	d664295e0760cfc993320b34a1c9a0e7.exe	88
PID 1848 wrote to memory of 3908	1848	d664295e0760cfc993320b34a1c9a0e7.exe	88
PID 1848 wrote to memory of 4772	1848	d664295e0760cfc993320b34a1c9a0e7.exe	87
PID 1848 wrote to memory of 4772	1848	d664295e0760cfc993320b34a1c9a0e7.exe	87
PID 1848 wrote to memory of 4772	1848	d664295e0760cfc993320b34a1c9a0e7.exe	87
PID 1088 wrote to memory of 2564	1088	cmd.exe	89
PID 1088 wrote to memory of 2564	1088	cmd.exe	89
PID 1088 wrote to memory of 2564	1088	cmd.exe	89
PID 4704 wrote to memory of 4272	4704	cmd.exe	90
PID 4704 wrote to memory of 4272	4704	cmd.exe	90
PID 4704 wrote to memory of 4272	4704	cmd.exe	90
PID 4772 wrote to memory of 3244	4772	cmd.exe	91
PID 4772 wrote to memory of 3244	4772	cmd.exe	91
PID 4772 wrote to memory of 3244	4772	cmd.exe	91
PID 3908 wrote to memory of 3156	3908	cmd.exe	92
PID 3908 wrote to memory of 3156	3908	cmd.exe	92
PID 3908 wrote to memory of 3156	3908	cmd.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\d664295e0760cfc993320b34a1c9a0e7.exe
"C:\Users\Admin\AppData\Local\Temp\d664295e0760cfc993320b34a1c9a0e7.exe"
1⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Windows\SysWOW64\cmd.exe
  cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1088
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - Modifies firewall policy service
    - Modifies registry key
    PID:2564
- C:\Windows\SysWOW64\cmd.exe
  cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\d664295e0760cfc993320b34a1c9a0e7.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\d664295e0760cfc993320b34a1c9a0e7.exe:*:Enabled:Windows Messanger" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4704
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\d664295e0760cfc993320b34a1c9a0e7.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\d664295e0760cfc993320b34a1c9a0e7.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Modifies firewall policy service
    - Modifies registry key
    PID:4272
- C:\Windows\SysWOW64\cmd.exe
  cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\updates.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updates.exe:*:Enabled:Windows Messanger" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4772
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\updates.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\updates.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - Modifies firewall policy service
    - Modifies registry key
    PID:3244
- C:\Windows\SysWOW64\cmd.exe
  cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3908
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - Modifies firewall policy service
    - Modifies registry key
    PID:3156

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\wsuA846.tmp

Filesize
14KB

MD5
c01eaa0bdcd7c30a42bbb35a9acbf574

SHA1
0aee3e1b873e41d040f1991819d0027b6cc68f54

SHA256
32297224427103aa1834dba276bf5d49cd5dd6bda0291422e47ad0d0706c6d40

SHA512
d26ff775ad39425933cd3df92209faa53ec5b701e65bfbcccc64ce8dd3e79f619a9bad7cc975a98a95f2006ae89e50551877fc315a3050e48d5ab89e0802e2b7

Download Submit
memory/1848-139-0x0000000076750000-0x0000000076840000-memory.dmp

Filesize
960KB

Download
memory/1848-141-0x00000000766D0000-0x000000007674A000-memory.dmp

Filesize
488KB

Download
memory/1848-140-0x0000000077E06000-0x0000000077E07000-memory.dmp

Filesize
4KB

Download
memory/1848-142-0x0000000076750000-0x0000000076840000-memory.dmp

Filesize
960KB

Download
memory/1848-146-0x00000000766D0000-0x000000007674A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads