phorphiex | 506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 19:52

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General

Target

506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe
Size

85KB
MD5

780dd742a5348ef6c89a4924e6967c00
SHA1

4b8536044c12f5e44e56a83a0703be179653d368
SHA256

506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79d
SHA512

0cb7e2085822a15420af4cd5bfb1c03b5b7166395419490ae9685576acfc1177df2d4b6468ba158ffc2a86f7929924166c7e7e462aead3ec40ac738fc2e66254
SSDEEP

1536:wUM+KV9Ry8qrRGnzJcj/Dzmtt40xirzNkIgz:wmKVRqrRGzJE/Due8UzNkIg

Score

10^/10

phorphiex xmrig discovery execution loader miner persistence spyware stealer trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

rsXCXBf9SagxV8JfC12d8Bybk84oPdMNN9

AULzfBuUAPfCGAXoG5Vq14aP9s6fx3AH4Z

LdgchXq1sKbAaAJ1EXAPSRBzLb8jnTZstT

MP8GEm8QpYgQYaMo8oM5NQhRBgDGiLZW5Q

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

1BzmrjmKPKSR2hH5BeJySfiVA676E8DYaK

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3ESHude8zUHksQg1h6hHmzY79BS36L91Yn

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1msyt0djx4ecspfxg5en0ye465kg3kmv9utzml2

bc1ppypcmu3684n648gyj62gjp2rw0xy7w3vwfamatlg29ajp4z52desafa0sr

bc1qc9edl4hzl9jyt8twdad3zjeh2df2znq96tdezd

Attributes

mutex
753f85d83d
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Extracted

Family

phorphiex

http://185.215.113.84

Signatures

Phorphiex family
phorphiex

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000016d36-10.dat	family_phorphiex

Phorphiex, Phorpiex
Phorphiex or Phorpiex Malware family which infects systems to distribute other malicious payloads such as ransomware, stealers and cryptominers.
worm trojan loader phorphiex

Suspicious use of NtCreateUserProcessOtherParentProcess 5 IoCs

description	pid	Process	procid_target
PID 2948 created 1236	2948	1671223800.exe	21
PID 2948 created 1236	2948	1671223800.exe	21
PID 1756 created 1236	1756	winupsecvmgr.exe	21
PID 1756 created 1236	1756	winupsecvmgr.exe	21
PID 1756 created 1236	1756	winupsecvmgr.exe	21

Xmrig family
xmrig
xmrig
XMRig is a high performance, open source, cross platform CPU/GPU miner.
miner xmrig

XMRig Miner payload 7 IoCs

miner

resource	yara_rule
behavioral1/memory/1756-89-0x000000013FAC0000-0x0000000140057000-memory.dmp	xmrig
behavioral1/memory/1976-93-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1976-95-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1976-97-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1976-99-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1976-101-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1976-103-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig

Downloads MZ/PE file

Executes dropped EXE 9 IoCs

pid	Process
2716	A3E.exe
2444	1326412481.exe
2636	sysnldcvmr.exe
2952	1318613283.exe
2960	289351098.exe
1640	378221628.exe
2940	1988710051.exe
2948	1671223800.exe
1756	winupsecvmgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2672	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe
2716	A3E.exe
2716	A3E.exe
2636	sysnldcvmr.exe
2636	sysnldcvmr.exe
2636	sysnldcvmr.exe
2636	sysnldcvmr.exe
2960	289351098.exe
1380	taskeng.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 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\Windows Settings = "C:\\Windows\\sysnldcvmr.exe"	1326412481.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
820	powershell.exe
636	powershell.exe

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

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1756 set thread context of 2056	1756	winupsecvmgr.exe	57
PID 1756 set thread context of 1976	1756	winupsecvmgr.exe	58

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\sysnldcvmr.exe	1326412481.exe
File opened for modification	C:\Windows\sysnldcvmr.exe	1326412481.exe
File opened for modification	C:\Windows\GTT.ini	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysnldcvmr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	289351098.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	378221628.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	A3E.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1326412481.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2712	schtasks.exe
2336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
2952	1318613283.exe
2948	1671223800.exe
2948	1671223800.exe
820	powershell.exe
2948	1671223800.exe
2948	1671223800.exe
1756	winupsecvmgr.exe
1756	winupsecvmgr.exe
636	powershell.exe
1756	winupsecvmgr.exe
1756	winupsecvmgr.exe
1756	winupsecvmgr.exe
1756	winupsecvmgr.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2952	1318613283.exe
Token: SeDebugPrivilege	820	powershell.exe
Token: SeDebugPrivilege	636	powershell.exe
Token: SeLockMemoryPrivilege	1976	dwm.exe
Token: SeLockMemoryPrivilege	1976	dwm.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe
1976	dwm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2672	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe
2672	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe

Suspicious use of WriteProcessMemory 55 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2716	2672	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe	30
PID 2672 wrote to memory of 2716	2672	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe	30
PID 2672 wrote to memory of 2716	2672	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe	30
PID 2672 wrote to memory of 2716	2672	506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe	30
PID 2716 wrote to memory of 2444	2716	A3E.exe	32
PID 2716 wrote to memory of 2444	2716	A3E.exe	32
PID 2716 wrote to memory of 2444	2716	A3E.exe	32
PID 2716 wrote to memory of 2444	2716	A3E.exe	32
PID 2444 wrote to memory of 2636	2444	1326412481.exe	33
PID 2444 wrote to memory of 2636	2444	1326412481.exe	33
PID 2444 wrote to memory of 2636	2444	1326412481.exe	33
PID 2444 wrote to memory of 2636	2444	1326412481.exe	33
PID 2636 wrote to memory of 2952	2636	sysnldcvmr.exe	35
PID 2636 wrote to memory of 2952	2636	sysnldcvmr.exe	35
PID 2636 wrote to memory of 2952	2636	sysnldcvmr.exe	35
PID 2636 wrote to memory of 2952	2636	sysnldcvmr.exe	35
PID 2952 wrote to memory of 2848	2952	1318613283.exe	36
PID 2952 wrote to memory of 2848	2952	1318613283.exe	36
PID 2952 wrote to memory of 2848	2952	1318613283.exe	36
PID 2952 wrote to memory of 1812	2952	1318613283.exe	38
PID 2952 wrote to memory of 1812	2952	1318613283.exe	38
PID 2952 wrote to memory of 1812	2952	1318613283.exe	38
PID 2848 wrote to memory of 2516	2848	cmd.exe	40
PID 2848 wrote to memory of 2516	2848	cmd.exe	40
PID 2848 wrote to memory of 2516	2848	cmd.exe	40
PID 1812 wrote to memory of 1316	1812	cmd.exe	41
PID 1812 wrote to memory of 1316	1812	cmd.exe	41
PID 1812 wrote to memory of 1316	1812	cmd.exe	41
PID 2636 wrote to memory of 2960	2636	sysnldcvmr.exe	42
PID 2636 wrote to memory of 2960	2636	sysnldcvmr.exe	42
PID 2636 wrote to memory of 2960	2636	sysnldcvmr.exe	42
PID 2636 wrote to memory of 2960	2636	sysnldcvmr.exe	42
PID 2636 wrote to memory of 1640	2636	sysnldcvmr.exe	44
PID 2636 wrote to memory of 1640	2636	sysnldcvmr.exe	44
PID 2636 wrote to memory of 1640	2636	sysnldcvmr.exe	44
PID 2636 wrote to memory of 1640	2636	sysnldcvmr.exe	44
PID 2636 wrote to memory of 2940	2636	sysnldcvmr.exe	45
PID 2636 wrote to memory of 2940	2636	sysnldcvmr.exe	45
PID 2636 wrote to memory of 2940	2636	sysnldcvmr.exe	45
PID 2636 wrote to memory of 2940	2636	sysnldcvmr.exe	45
PID 2960 wrote to memory of 2948	2960	289351098.exe	46
PID 2960 wrote to memory of 2948	2960	289351098.exe	46
PID 2960 wrote to memory of 2948	2960	289351098.exe	46
PID 2960 wrote to memory of 2948	2960	289351098.exe	46
PID 820 wrote to memory of 2712	820	powershell.exe	49
PID 820 wrote to memory of 2712	820	powershell.exe	49
PID 820 wrote to memory of 2712	820	powershell.exe	49
PID 1380 wrote to memory of 1756	1380	taskeng.exe	53
PID 1380 wrote to memory of 1756	1380	taskeng.exe	53
PID 1380 wrote to memory of 1756	1380	taskeng.exe	53
PID 636 wrote to memory of 2336	636	powershell.exe	56
PID 636 wrote to memory of 2336	636	powershell.exe	56
PID 636 wrote to memory of 2336	636	powershell.exe	56
PID 1756 wrote to memory of 2056	1756	winupsecvmgr.exe	57
PID 1756 wrote to memory of 1976	1756	winupsecvmgr.exe	58

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:1236
- C:\Users\Admin\AppData\Local\Temp\506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe
  "C:\Users\Admin\AppData\Local\Temp\506e4ef8f5ce57b5d7b202bc9aa6fae9c7ff4520c725b8be293fc77deb9ed79dN.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Users\Admin\AppData\Local\Temp\A3E.exe
    "C:\Users\Admin\AppData\Local\Temp\A3E.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Users\Admin\AppData\Local\Temp\1326412481.exe
      C:\Users\Admin\AppData\Local\Temp\1326412481.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2444
    - - C:\Windows\sysnldcvmr.exe
        
        C:\Windows\sysnldcvmr.exe
        5⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2636
      - C:\Users\Admin\AppData\Local\Temp\1318613283.exe
        
        C:\Users\Admin\AppData\Local\Temp\1318613283.exe
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2952
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:2848
        
        C:\Windows\system32\reg.exe
        
        reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
        8⤵
        
        PID:2516
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:1812
        
        C:\Windows\system32\schtasks.exe
        
        schtasks /delete /f /tn "Windows Upgrade Manager"
        8⤵
        
        PID:1316
      - C:\Users\Admin\AppData\Local\Temp\289351098.exe
        
        C:\Users\Admin\AppData\Local\Temp\289351098.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2960
        
        C:\Users\Admin\AppData\Local\Temp\1671223800.exe
        
        C:\Users\Admin\AppData\Local\Temp\1671223800.exe
        7⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:2948
      - C:\Users\Admin\AppData\Local\Temp\378221628.exe
        
        C:\Users\Admin\AppData\Local\Temp\378221628.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:1640
      - C:\Users\Admin\AppData\Local\Temp\1988710051.exe
        
        C:\Users\Admin\AppData\Local\Temp\1988710051.exe
        6⤵
        Executes dropped EXE
        
        PID:2940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:820
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2712
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
  2⤵
  PID:2212
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#evrkcgqew#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Microsoft Windows Security' /tr '''C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Microsoft Windows Security' -RunLevel 'Highest' -Force; }
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:636
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Microsoft Windows Security" /tr "'C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe'"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2336
- C:\Windows\System32\conhost.exe
  C:\Windows\System32\conhost.exe
  2⤵
  PID:2056
- C:\Windows\System32\dwm.exe
  C:\Windows\System32\dwm.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1976

C:\Windows\system32\taskeng.exe
taskeng.exe {D6605BC5-4D41-47B0-9BBF-43220C8A5B7E} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe
  "C:\Users\Admin\Microsoft Windows Security\winupsecvmgr.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\A3E.exe

Filesize
10KB

MD5
08dafe3bb2654c06ead4bb33fb793df8

SHA1
d1d93023f1085eed136c6d225d998abf2d5a5bf0

SHA256
fc16c0bf09002c93723b8ab13595db5845a50a1b6a133237ac2d148b0bb41700

SHA512
9cf2bd749a9ee6e093979bc0d3aacfba03ad6469c98ff3ef35ce5d1635a052e4068ac50431626f6ba8649361802f7fb2ffffb2b325e2795c54b7014180559c99

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

Filesize
7KB

MD5
dc5c173b09a00f3b38defaf15f341c42

SHA1
5716d5fb4680c61d59138c58baf1e4dbb7b102e4

SHA256
6e21ad12868629d04641037df6d5bcbfeaf55a3b3e992967643ba123019634c2

SHA512
e6b3f117297cc09d413e4530b6ec925bc6b105788f0bde6e2dc821b0f486e8786b2b663cf3486ed2c24fde4ba623a2e3f57e5b4d63e7d94159ba029f4a9a79b0

Download Submit
\Users\Admin\AppData\Local\Temp\1318613283.exe

Filesize
8KB

MD5
cb8420e681f68db1bad5ed24e7b22114

SHA1
416fc65d538d3622f5ca71c667a11df88a927c31

SHA256
5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

SHA512
baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

Download Submit
\Users\Admin\AppData\Local\Temp\1326412481.exe

Filesize
79KB

MD5
0c883b1d66afce606d9830f48d69d74b

SHA1
fe431fe73a4749722496f19b3b3ca0b629b50131

SHA256
d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1

SHA512
c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5

Download Submit
\Users\Admin\AppData\Local\Temp\1671223800.exe

Filesize
5.6MB

MD5
13b26b2c7048a92d6a843c1302618fad

SHA1
89c2dfc01ac12ef2704c7669844ec69f1700c1ca

SHA256
1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

SHA512
d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

Download Submit
\Users\Admin\AppData\Local\Temp\1988710051.exe

Filesize
53KB

MD5
b92ad7e3c510355dd54db74cdf4d522e

SHA1
bf4e93257363aa26d02a2cafd1805566923b7ef4

SHA256
42a3d89601affbf702b44e56746f2ff19308848e49ba0fae86202345ab19c95f

SHA512
1462ebf284a4d20900aec239449693e5d5c73cfd1283d8a4aedc293f82b0b7ee3bc66aa3fdd916377c2e00f64212ce71e455fddd3b960c9de1c88b3886ddc388

Download Submit
\Users\Admin\AppData\Local\Temp\289351098.exe

Filesize
10KB

MD5
96509ab828867d81c1693b614b22f41d

SHA1
c5f82005dbda43cedd86708cc5fc3635a781a67e

SHA256
a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

SHA512
ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

Download Submit
\Users\Admin\AppData\Local\Temp\378221628.exe

Filesize
61KB

MD5
77c5eb90118287f666886fc34210c176

SHA1
d7a59bf4f014304e29df1868ef82fe782432120a

SHA256
59a96d66d97e202829ea79a5e0bbf71981c05a13ab700b0120f7d99d33515080

SHA512
5577d167ad4748ad7917ff3f792a0caa01ba40638bdf7143c1403d2efcad4019f8da49719ae0ad88febdc1ef64207fba7ca5bb96dc12c334571d30e2e8f22cf9

Download Submit
memory/636-83-0x000000001B430000-0x000000001B712000-memory.dmp

Filesize
2.9MB

Download
memory/636-84-0x0000000002260000-0x0000000002268000-memory.dmp

Filesize
32KB

Download
memory/820-70-0x0000000001F10000-0x0000000001F18000-memory.dmp

Filesize
32KB

Download
memory/820-69-0x000000001B4F0000-0x000000001B7D2000-memory.dmp

Filesize
2.9MB

Download
memory/1756-89-0x000000013FAC0000-0x0000000140057000-memory.dmp

Filesize
5.6MB

Download
memory/1976-95-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1976-90-0x00000000000B0000-0x00000000000D0000-memory.dmp

Filesize
128KB

Download
memory/1976-93-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1976-97-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1976-99-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1976-101-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1976-103-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/2056-92-0x0000000140000000-0x0000000140029000-memory.dmp

Filesize
164KB

Download
memory/2056-94-0x0000000140000000-0x0000000140029000-memory.dmp

Filesize
164KB

Download
memory/2948-73-0x000000013F0D0000-0x000000013F667000-memory.dmp

Filesize
5.6MB

Download
memory/2952-35-0x000000013FC70000-0x000000013FC76000-memory.dmp

Filesize
24KB

Download