phorphiex | 8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 22:54

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General

Target

8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe
Size

6KB
MD5

a62d23685d0d9f041b79f9691b821199
SHA1

2d5bd6d467b21a4222defb6e9473d18c079e518e
SHA256

8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea
SHA512

1a07a45ca57d614d980c26d548a8664efaa6a1d4fe9b0b9e9407425c1bec1946aade98a1912e9fc1ef158403206f17fbe975d9af174d6dc08f402144837b6e33
SSDEEP

48:ighipnso2K9iWuB1UwSSYuFaHHZ9gdGW1SWhseXxPP4Bx0Hll/kzK8cv/gnLaGp9:pTo2d4wSSYum3goW9XfHczK1voLaGR4a

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://twizt.net

http://185.215.113.84

Signatures

Phorphiex family
phorphiex

Phorphiex payload 1 IoCs

resource	yara_rule
behavioral1/files/0x000700000001921f-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 1908 created 1176	1908	3500630639.exe	21
PID 1908 created 1176	1908	3500630639.exe	21
PID 444 created 1176	444	winupsecvmgr.exe	21
PID 444 created 1176	444	winupsecvmgr.exe	21
PID 444 created 1176	444	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/444-95-0x000000013F3B0000-0x000000013F947000-memory.dmp	xmrig
behavioral1/memory/1088-100-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1088-102-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1088-104-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1088-106-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1088-108-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig
behavioral1/memory/1088-110-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig

Downloads MZ/PE file

Executes dropped EXE 10 IoCs

pid	Process
2416	DFC4.exe
2868	2591118402.exe
2800	sysnldcvmr.exe
2084	3141619714.exe
1480	254397731.exe
2060	1684828566.exe
1908	3500630639.exe
2580	2768318520.exe
444	winupsecvmgr.exe
2948	55627249.exe

Loads dropped DLL 10 IoCs

pid	Process
388	8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe
2416	DFC4.exe
2416	DFC4.exe
2800	sysnldcvmr.exe
2800	sysnldcvmr.exe
2800	sysnldcvmr.exe
1480	254397731.exe
2800	sysnldcvmr.exe
1916	taskeng.exe
2800	sysnldcvmr.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"	2591118402.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2148	powershell.exe
1248	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 444 set thread context of 2184	444	winupsecvmgr.exe	59
PID 444 set thread context of 1088	444	winupsecvmgr.exe	60

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\sysnldcvmr.exe	2591118402.exe
File opened for modification	C:\Windows\sysnldcvmr.exe	2591118402.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	DFC4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2591118402.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sysnldcvmr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	254397731.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2768318520.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.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
2216	schtasks.exe
2192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1908	3500630639.exe
1908	3500630639.exe
2148	powershell.exe
1908	3500630639.exe
1908	3500630639.exe
444	winupsecvmgr.exe
444	winupsecvmgr.exe
1248	powershell.exe
2948	55627249.exe
444	winupsecvmgr.exe
444	winupsecvmgr.exe
444	winupsecvmgr.exe
444	winupsecvmgr.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2148	powershell.exe
Token: SeDebugPrivilege	1248	powershell.exe
Token: SeDebugPrivilege	2948	55627249.exe
Token: SeLockMemoryPrivilege	1088	dwm.exe
Token: SeLockMemoryPrivilege	1088	dwm.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe

Suspicious use of SendNotifyMessage 64 IoCs

pid	Process
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe
1088	dwm.exe

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 2416	388	8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe	32
PID 388 wrote to memory of 2416	388	8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe	32
PID 388 wrote to memory of 2416	388	8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe	32
PID 388 wrote to memory of 2416	388	8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe	32
PID 2416 wrote to memory of 2868	2416	DFC4.exe	33
PID 2416 wrote to memory of 2868	2416	DFC4.exe	33
PID 2416 wrote to memory of 2868	2416	DFC4.exe	33
PID 2416 wrote to memory of 2868	2416	DFC4.exe	33
PID 2868 wrote to memory of 2800	2868	2591118402.exe	34
PID 2868 wrote to memory of 2800	2868	2591118402.exe	34
PID 2868 wrote to memory of 2800	2868	2591118402.exe	34
PID 2868 wrote to memory of 2800	2868	2591118402.exe	34
PID 2800 wrote to memory of 2084	2800	sysnldcvmr.exe	36
PID 2800 wrote to memory of 2084	2800	sysnldcvmr.exe	36
PID 2800 wrote to memory of 2084	2800	sysnldcvmr.exe	36
PID 2800 wrote to memory of 2084	2800	sysnldcvmr.exe	36
PID 2800 wrote to memory of 1480	2800	sysnldcvmr.exe	37
PID 2800 wrote to memory of 1480	2800	sysnldcvmr.exe	37
PID 2800 wrote to memory of 1480	2800	sysnldcvmr.exe	37
PID 2800 wrote to memory of 1480	2800	sysnldcvmr.exe	37
PID 2800 wrote to memory of 2060	2800	sysnldcvmr.exe	39
PID 2800 wrote to memory of 2060	2800	sysnldcvmr.exe	39
PID 2800 wrote to memory of 2060	2800	sysnldcvmr.exe	39
PID 2800 wrote to memory of 2060	2800	sysnldcvmr.exe	39
PID 1480 wrote to memory of 1908	1480	254397731.exe	40
PID 1480 wrote to memory of 1908	1480	254397731.exe	40
PID 1480 wrote to memory of 1908	1480	254397731.exe	40
PID 1480 wrote to memory of 1908	1480	254397731.exe	40
PID 2148 wrote to memory of 2216	2148	powershell.exe	43
PID 2148 wrote to memory of 2216	2148	powershell.exe	43
PID 2148 wrote to memory of 2216	2148	powershell.exe	43
PID 2800 wrote to memory of 2580	2800	sysnldcvmr.exe	46
PID 2800 wrote to memory of 2580	2800	sysnldcvmr.exe	46
PID 2800 wrote to memory of 2580	2800	sysnldcvmr.exe	46
PID 2800 wrote to memory of 2580	2800	sysnldcvmr.exe	46
PID 1916 wrote to memory of 444	1916	taskeng.exe	48
PID 1916 wrote to memory of 444	1916	taskeng.exe	48
PID 1916 wrote to memory of 444	1916	taskeng.exe	48
PID 2800 wrote to memory of 2948	2800	sysnldcvmr.exe	51
PID 2800 wrote to memory of 2948	2800	sysnldcvmr.exe	51
PID 2800 wrote to memory of 2948	2800	sysnldcvmr.exe	51
PID 2800 wrote to memory of 2948	2800	sysnldcvmr.exe	51
PID 1248 wrote to memory of 2192	1248	powershell.exe	52
PID 1248 wrote to memory of 2192	1248	powershell.exe	52
PID 1248 wrote to memory of 2192	1248	powershell.exe	52
PID 2948 wrote to memory of 1332	2948	55627249.exe	53
PID 2948 wrote to memory of 1332	2948	55627249.exe	53
PID 2948 wrote to memory of 1332	2948	55627249.exe	53
PID 2948 wrote to memory of 2572	2948	55627249.exe	55
PID 2948 wrote to memory of 2572	2948	55627249.exe	55
PID 2948 wrote to memory of 2572	2948	55627249.exe	55
PID 1332 wrote to memory of 2292	1332	cmd.exe	57
PID 1332 wrote to memory of 2292	1332	cmd.exe	57
PID 1332 wrote to memory of 2292	1332	cmd.exe	57
PID 2572 wrote to memory of 1932	2572	cmd.exe	58
PID 2572 wrote to memory of 1932	2572	cmd.exe	58
PID 2572 wrote to memory of 1932	2572	cmd.exe	58
PID 444 wrote to memory of 2184	444	winupsecvmgr.exe	59
PID 444 wrote to memory of 1088	444	winupsecvmgr.exe	60

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:1176
- C:\Users\Admin\AppData\Local\Temp\8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe
  "C:\Users\Admin\AppData\Local\Temp\8516b62cd5e38e493b38461af8f807755b657f18954177b6b6f2fb47be39d2ea.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:388
- - C:\Users\Admin\AppData\Local\Temp\DFC4.exe
    "C:\Users\Admin\AppData\Local\Temp\DFC4.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2416
  - - C:\Users\Admin\AppData\Local\Temp\2591118402.exe
      C:\Users\Admin\AppData\Local\Temp\2591118402.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:2868
    - - 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:2800
      - C:\Users\Admin\AppData\Local\Temp\3141619714.exe
        
        C:\Users\Admin\AppData\Local\Temp\3141619714.exe
        6⤵
        Executes dropped EXE
        
        PID:2084
      - C:\Users\Admin\AppData\Local\Temp\254397731.exe
        
        C:\Users\Admin\AppData\Local\Temp\254397731.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1480
        
        C:\Users\Admin\AppData\Local\Temp\3500630639.exe
        
        C:\Users\Admin\AppData\Local\Temp\3500630639.exe
        7⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:1908
      - C:\Users\Admin\AppData\Local\Temp\1684828566.exe
        
        C:\Users\Admin\AppData\Local\Temp\1684828566.exe
        6⤵
        Executes dropped EXE
        
        PID:2060
      - C:\Users\Admin\AppData\Local\Temp\2768318520.exe
        
        C:\Users\Admin\AppData\Local\Temp\2768318520.exe
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        
        PID:2580
      - C:\Users\Admin\AppData\Local\Temp\55627249.exe
        
        C:\Users\Admin\AppData\Local\Temp\55627249.exe
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2948
        
        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:1332
        
        C:\Windows\system32\reg.exe
        
        reg delete "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "Windows Upgrade Manager" /f
        8⤵
        
        PID:2292
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /delete /f /tn "Windows Upgrade Manager"
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:2572
        
        C:\Windows\system32\schtasks.exe
        
        schtasks /delete /f /tn "Windows Upgrade Manager"
        8⤵
        
        PID:1932
- 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:2148
- - 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:2216
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Microsoft Windows Security"
  2⤵
  PID:1188
- 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:1248
- - 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:2192
- C:\Windows\System32\conhost.exe
  C:\Windows\System32\conhost.exe
  2⤵
  PID:2184
- C:\Windows\System32\dwm.exe
  C:\Windows\System32\dwm.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:1088

C:\Windows\system32\taskeng.exe
taskeng.exe {2D9662C3-275D-44AE-BB8F-18DFDF9C422A} S-1-5-21-2039016743-699959520-214465309-1000:PIDEURYY\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1916
- 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:444

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\2768318520.exe

Filesize
61KB

MD5
77c5eb90118287f666886fc34210c176

SHA1
d7a59bf4f014304e29df1868ef82fe782432120a

SHA256
59a96d66d97e202829ea79a5e0bbf71981c05a13ab700b0120f7d99d33515080

SHA512
5577d167ad4748ad7917ff3f792a0caa01ba40638bdf7143c1403d2efcad4019f8da49719ae0ad88febdc1ef64207fba7ca5bb96dc12c334571d30e2e8f22cf9

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

Filesize
7KB

MD5
14f24ae2cef3d5929bcbac217c9243d4

SHA1
f291d05ef13e84b57561e97cf3a7c3a290291de6

SHA256
b07d63bddde9f8cd248196bae8dc1be0b79a65231a2ec664dae4e24a7bcc4d5c

SHA512
e9680a713f716f863399081fe2a45d4ba6dbb10239824fccc469438733c92ec331cee16130f09208d7cce4d088fb0728f60301b5c8c4300097d93cddd3f6d41a

Download Submit
\Users\Admin\AppData\Local\Temp\1684828566.exe

Filesize
53KB

MD5
84897ca8c1aa06b33248956ac25ec20a

SHA1
544d5d5652069b3c5e7e29a1ca3eea46b227bbfe

SHA256
023ad16f761a35bd7934e392bcf2bbf702f525303b2964e97c3e50d2d5f3eda1

SHA512
c17d0e364cf29055dece3e10896f0bbd0ebdb8d2b1c15fe68ddcd9951dd2d1545362f45ad21f26302f3da2eb2ec81340a027cbd4c75cc28491151ecabae65e95

Download Submit
\Users\Admin\AppData\Local\Temp\254397731.exe

Filesize
10KB

MD5
96509ab828867d81c1693b614b22f41d

SHA1
c5f82005dbda43cedd86708cc5fc3635a781a67e

SHA256
a9de2927b0ec45cf900508fec18531c04ee9fa8a5dfe2fc82c67d9458cf4b744

SHA512
ff603117a06da8fb2386c1d2049a5896774e41f34d05951ecd4e7b5fc9da51a373e3fcf61af3577ff78490cf898471ce8e71eae848a12812fe98cd7e76e1a9ca

Download Submit
\Users\Admin\AppData\Local\Temp\2591118402.exe

Filesize
79KB

MD5
0c883b1d66afce606d9830f48d69d74b

SHA1
fe431fe73a4749722496f19b3b3ca0b629b50131

SHA256
d921fc993574c8be76553bcf4296d2851e48ee39b958205e69bdfd7cf661d2b1

SHA512
c047452a23efad4262479fbfeb5e23f9497d7cefd4cbb58e869801206669c2a0759698c70d18050316798d5d939b989537fdce3842aa742449f5e08ed7fa60a5

Download Submit
\Users\Admin\AppData\Local\Temp\3141619714.exe

Filesize
9KB

MD5
323cb4364490f83204b51b0f7f3766f4

SHA1
8687a571d083ffef105d0ce61d46845b4dba4793

SHA256
efade1639d80b3262d0730a70525dbd703ab51499291b3a1c55b2aa32e74030e

SHA512
96a5470e361ee1a164bb637e1bc14434050cbf12d3d3bcae240575d08270dc8038582965cddde508c220ec6aa695dfc87d0633f6735ec3d6e637c4cb25b42a3d

Download Submit
\Users\Admin\AppData\Local\Temp\3500630639.exe

Filesize
5.6MB

MD5
13b26b2c7048a92d6a843c1302618fad

SHA1
89c2dfc01ac12ef2704c7669844ec69f1700c1ca

SHA256
1753ad35ece25ab9a19048c70062e9170f495e313d7355ebbba59c38f5d90256

SHA512
d6aff89b61c9945002a6798617ad304612460a607ef1cfbdcb32f8932ca648bcee1d5f2e0321bb4c58c1f4642b1e0ececc1eb82450fdec7dff69b5389f195455

Download Submit
\Users\Admin\AppData\Local\Temp\55627249.exe

Filesize
8KB

MD5
cb8420e681f68db1bad5ed24e7b22114

SHA1
416fc65d538d3622f5ca71c667a11df88a927c31

SHA256
5850892f67f85991b31fc90f62c8b7791afeb3c08ae1877d857aa2b59471a2ea

SHA512
baaabcc4ad5d409267a34ed7b20e4afb4d247974bfc581d39aae945e5bf8a673a1f8eacae2e6783480c8baaeb0a80d028274a202d456f13d0af956afa0110fdf

Download Submit
\Users\Admin\AppData\Local\Temp\DFC4.exe

Filesize
10KB

MD5
08dafe3bb2654c06ead4bb33fb793df8

SHA1
d1d93023f1085eed136c6d225d998abf2d5a5bf0

SHA256
fc16c0bf09002c93723b8ab13595db5845a50a1b6a133237ac2d148b0bb41700

SHA512
9cf2bd749a9ee6e093979bc0d3aacfba03ad6469c98ff3ef35ce5d1635a052e4068ac50431626f6ba8649361802f7fb2ffffb2b325e2795c54b7014180559c99

Download Submit
memory/444-95-0x000000013F3B0000-0x000000013F947000-memory.dmp

Filesize
5.6MB

Download
memory/444-90-0x000000013F3B0000-0x000000013F947000-memory.dmp

Filesize
5.6MB

Download
memory/1088-102-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1088-108-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1088-110-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1088-96-0x0000000000340000-0x0000000000360000-memory.dmp

Filesize
128KB

Download
memory/1088-106-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1088-100-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1088-104-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download
memory/1248-84-0x00000000026A0000-0x00000000026A8000-memory.dmp

Filesize
32KB

Download
memory/1248-83-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/1908-66-0x000000013F350000-0x000000013F8E7000-memory.dmp

Filesize
5.6MB

Download
memory/2148-62-0x000000001B600000-0x000000001B8E2000-memory.dmp

Filesize
2.9MB

Download
memory/2148-63-0x0000000002280000-0x0000000002288000-memory.dmp

Filesize
32KB

Download
memory/2184-101-0x0000000140000000-0x0000000140029000-memory.dmp

Filesize
164KB

Download
memory/2184-99-0x0000000140000000-0x0000000140029000-memory.dmp

Filesize
164KB

Download
memory/2948-89-0x000000013F400000-0x000000013F406000-memory.dmp

Filesize
24KB

Download