phorphiex | 7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-06-2024 00:00

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General

Target

7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe
Size

23KB
MD5

086c5d7468ed9d9adaa51be45f619dbf
SHA1

f5ae97308e8b54463165d731131d86c2d7c51abb
SHA256

7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965
SHA512

9a187bdba18913802d108c1ca5bc1e62f9e625bd3e5c0e8348177c3025674e9749ae3ab7c665c8f1829118ff636932e63bad477be0668674d7bfc5b05f89f5cd
SSDEEP

384:fb/260R+KhFPBdPWepb38K+XrIN++7DHMrpGP:TepRpFsp67MQP

Score

10^/10

phorphiex xmrig evasion loader miner persistence trojan worm

Malware Config

Extracted

Family

phorphiex

http://185.215.113.66/

http://77.91.77.92/

http://91.202.233.141/

Wallets

0xCa90599132C4D88907Bd8E046540284aa468a035

TRuGGXNDM1cavQ1AqMQHG8yfxP4QWVSMN6

qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

XryzFMFVpDUvU7famUGf214EXD3xNUSmQf

LLeT2zkStY3cvxMBFhoWXkG5VuZPoezduv

rwc4LVd9ABpULQ1CuCpDkgX2xVB1fUijyb

4AtjkCVKbtEC3UEN77SQHuH9i1XkzNiRi5VCbA2XGsJh46nJSXfGQn4GjLuupCqmC57Lo7LvKmFUyRfhtJSvKvuw3h9ReKK

15TssKwtjMtwy4vDLcLsQUZUD2B9f7eDjw85sBNVC5LRPPnC

17hgMFyLDwMjxWqw5GhijhnPdJDyFDqecY

ltc1qt0n3f0t7vz9k0mvcswk477shrxwjhf9sj5ykrp

3PMiLynrGVZ8oEqvoqC4hXD67B1WoALR4pc

3FerB8kUraAVGCVCNkgv57zTBjUGjAUkU3

DLUzwvyxN1RrwjByUPPzVMdfxNRPGVRMMA

t1J6GCPCiHW1eRdjJgDDu6b1vSVmL5U7Twh

stars125f3mw4xd9htpsq4zj5w5ezm5gags37yxxh6mj

bnb1epx67ne4vckqmaj4gwke8m322f4yjr6eh52wqw

bc1qmpkehfffkr6phuklsksnd7nhgx0369sxu772m3

bitcoincash:qph44jx8r9k5xeq5cuf958krv3ewrnp5vc6hhdjd3r

GBQJMXYXPRIWFMXIFJR35ZB7LRKMB4PHCIUAUFR3TKUL6RDBZVLZEUJ3

Attributes

mutex
55a4er5wo
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Signatures

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

winblrsnrcs.exesysmablsvr.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wuauserv\Start = "4"	sysmablsvr.exe

Phorphiex payload 2 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\2255729627.exe	family_phorphiex
\Users\Admin\AppData\Local\Temp\1459532009.exe	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 4 IoCs

Processes:

1800322494.exewupgrdsv.exe

description	pid	process	target process
PID 1380 created 1148	1380	1800322494.exe	Explorer.EXE
PID 1380 created 1148	1380	1800322494.exe	Explorer.EXE
PID 2244 created 1148	2244	wupgrdsv.exe	Explorer.EXE
PID 2244 created 1148	2244	wupgrdsv.exe	Explorer.EXE

Windows security bypass 2 TTPs 12 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exewinblrsnrcs.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.exe

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

XMRig Miner payload 2 IoCs

miner

Processes:

resource	yara_rule
behavioral1/memory/2244-99-0x000000013F780000-0x000000013FCF6000-memory.dmp	xmrig
behavioral1/memory/2928-123-0x0000000140000000-0x00000001407EF000-memory.dmp	xmrig

Downloads MZ/PE file

Executes dropped EXE 13 IoCs

Processes:

C40.exe2255729627.exesysmablsvr.exe1459532009.exe770429297.exe1800322494.exe1059420423.exewupgrdsv.exe273511546.exewinblrsnrcs.exe221862976.exe1809825731.exe2650816958.exe

pid	process
872	C40.exe
2496	2255729627.exe
2516	sysmablsvr.exe
2740	1459532009.exe
1260	770429297.exe
1380	1800322494.exe
3068	1059420423.exe
2244	wupgrdsv.exe
1844	273511546.exe
2320	winblrsnrcs.exe
2108	221862976.exe
2768	1809825731.exe
1652	2650816958.exe

Loads dropped DLL 13 IoCs

Processes:

7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exeC40.exesysmablsvr.exe770429297.exetaskeng.exewinblrsnrcs.exe

pid	process
2240	7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe
872	C40.exe
872	C40.exe
2516	sysmablsvr.exe
2516	sysmablsvr.exe
2516	sysmablsvr.exe
1260	770429297.exe
2516	sysmablsvr.exe
2920	taskeng.exe
2516	sysmablsvr.exe
2516	sysmablsvr.exe
2320	winblrsnrcs.exe
2320	winblrsnrcs.exe

Windows security modification 2 TTPs 14 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

sysmablsvr.exewinblrsnrcs.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	sysmablsvr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiSpywareOverride = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	winblrsnrcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesOverride = "1"	winblrsnrcs.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

273511546.exe2255729627.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Service = "C:\\Windows\\winblrsnrcs.exe"	273511546.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Settings = "C:\\Windows\\sysmablsvr.exe"	2255729627.exe

Drops file in System32 directory 2 IoCs

Processes:

powershell.exepowershell.exe

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 1 IoCs

Processes:

wupgrdsv.exe

description pid process target process

PID 2244 set thread context of 2928 2244 wupgrdsv.exe notepad.exe

description	pid	process	target process
PID 2244 set thread context of 2928	2244	wupgrdsv.exe	notepad.exe

Drops file in Windows directory 4 IoCs

Processes:

2255729627.exe273511546.exe

description	ioc	process
File opened for modification	C:\Windows\sysmablsvr.exe	2255729627.exe
File created	C:\Windows\winblrsnrcs.exe	273511546.exe
File opened for modification	C:\Windows\winblrsnrcs.exe	273511546.exe
File created	C:\Windows\sysmablsvr.exe	2255729627.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

Processes:

schtasks.exeschtasks.exe

pid process

2700 schtasks.exe
1928 schtasks.exe

pid	process
2700	schtasks.exe
1928	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

1800322494.exepowershell.exewupgrdsv.exepowershell.exe

pid	process
1380	1800322494.exe
1380	1800322494.exe
928	powershell.exe
1380	1800322494.exe
1380	1800322494.exe
2244	wupgrdsv.exe
2244	wupgrdsv.exe
1544	powershell.exe
2244	wupgrdsv.exe
2244	wupgrdsv.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.exenotepad.exe

description	pid	process
Token: SeDebugPrivilege	928	powershell.exe
Token: SeDebugPrivilege	1544	powershell.exe
Token: SeLockMemoryPrivilege	2928	notepad.exe
Token: SeLockMemoryPrivilege	2928	notepad.exe

Suspicious use of FindShellTrayWindow 18 IoCs

Processes:

notepad.exe

pid	process
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe

Suspicious use of SendNotifyMessage 18 IoCs

Processes:

notepad.exe

pid	process
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe
2928	notepad.exe

Suspicious use of WriteProcessMemory 58 IoCs

Processes:

7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exeC40.exe2255729627.exesysmablsvr.exe770429297.exepowershell.exetaskeng.exepowershell.exewupgrdsv.exe273511546.exewinblrsnrcs.exe

description	pid	process	target process
PID 2240 wrote to memory of 872	2240	7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe	C40.exe
PID 2240 wrote to memory of 872	2240	7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe	C40.exe
PID 2240 wrote to memory of 872	2240	7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe	C40.exe
PID 2240 wrote to memory of 872	2240	7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe	C40.exe
PID 872 wrote to memory of 2496	872	C40.exe	2255729627.exe
PID 872 wrote to memory of 2496	872	C40.exe	2255729627.exe
PID 872 wrote to memory of 2496	872	C40.exe	2255729627.exe
PID 872 wrote to memory of 2496	872	C40.exe	2255729627.exe
PID 2496 wrote to memory of 2516	2496	2255729627.exe	sysmablsvr.exe
PID 2496 wrote to memory of 2516	2496	2255729627.exe	sysmablsvr.exe
PID 2496 wrote to memory of 2516	2496	2255729627.exe	sysmablsvr.exe
PID 2496 wrote to memory of 2516	2496	2255729627.exe	sysmablsvr.exe
PID 2516 wrote to memory of 2740	2516	sysmablsvr.exe	1459532009.exe
PID 2516 wrote to memory of 2740	2516	sysmablsvr.exe	1459532009.exe
PID 2516 wrote to memory of 2740	2516	sysmablsvr.exe	1459532009.exe
PID 2516 wrote to memory of 2740	2516	sysmablsvr.exe	1459532009.exe
PID 2516 wrote to memory of 1260	2516	sysmablsvr.exe	770429297.exe
PID 2516 wrote to memory of 1260	2516	sysmablsvr.exe	770429297.exe
PID 2516 wrote to memory of 1260	2516	sysmablsvr.exe	770429297.exe
PID 2516 wrote to memory of 1260	2516	sysmablsvr.exe	770429297.exe
PID 1260 wrote to memory of 1380	1260	770429297.exe	1800322494.exe
PID 1260 wrote to memory of 1380	1260	770429297.exe	1800322494.exe
PID 1260 wrote to memory of 1380	1260	770429297.exe	1800322494.exe
PID 1260 wrote to memory of 1380	1260	770429297.exe	1800322494.exe
PID 2516 wrote to memory of 3068	2516	sysmablsvr.exe	1059420423.exe
PID 2516 wrote to memory of 3068	2516	sysmablsvr.exe	1059420423.exe
PID 2516 wrote to memory of 3068	2516	sysmablsvr.exe	1059420423.exe
PID 2516 wrote to memory of 3068	2516	sysmablsvr.exe	1059420423.exe
PID 928 wrote to memory of 1928	928	powershell.exe	schtasks.exe
PID 928 wrote to memory of 1928	928	powershell.exe	schtasks.exe
PID 928 wrote to memory of 1928	928	powershell.exe	schtasks.exe
PID 2920 wrote to memory of 2244	2920	taskeng.exe	wupgrdsv.exe
PID 2920 wrote to memory of 2244	2920	taskeng.exe	wupgrdsv.exe
PID 2920 wrote to memory of 2244	2920	taskeng.exe	wupgrdsv.exe
PID 2516 wrote to memory of 1844	2516	sysmablsvr.exe	273511546.exe
PID 2516 wrote to memory of 1844	2516	sysmablsvr.exe	273511546.exe
PID 2516 wrote to memory of 1844	2516	sysmablsvr.exe	273511546.exe
PID 2516 wrote to memory of 1844	2516	sysmablsvr.exe	273511546.exe
PID 1544 wrote to memory of 2700	1544	powershell.exe	schtasks.exe
PID 1544 wrote to memory of 2700	1544	powershell.exe	schtasks.exe
PID 1544 wrote to memory of 2700	1544	powershell.exe	schtasks.exe
PID 2244 wrote to memory of 2928	2244	wupgrdsv.exe	notepad.exe
PID 1844 wrote to memory of 2320	1844	273511546.exe	winblrsnrcs.exe
PID 1844 wrote to memory of 2320	1844	273511546.exe	winblrsnrcs.exe
PID 1844 wrote to memory of 2320	1844	273511546.exe	winblrsnrcs.exe
PID 1844 wrote to memory of 2320	1844	273511546.exe	winblrsnrcs.exe
PID 2516 wrote to memory of 2108	2516	sysmablsvr.exe	221862976.exe
PID 2516 wrote to memory of 2108	2516	sysmablsvr.exe	221862976.exe
PID 2516 wrote to memory of 2108	2516	sysmablsvr.exe	221862976.exe
PID 2516 wrote to memory of 2108	2516	sysmablsvr.exe	221862976.exe
PID 2320 wrote to memory of 2768	2320	winblrsnrcs.exe	1809825731.exe
PID 2320 wrote to memory of 2768	2320	winblrsnrcs.exe	1809825731.exe
PID 2320 wrote to memory of 2768	2320	winblrsnrcs.exe	1809825731.exe
PID 2320 wrote to memory of 2768	2320	winblrsnrcs.exe	1809825731.exe
PID 2320 wrote to memory of 1652	2320	winblrsnrcs.exe	2650816958.exe
PID 2320 wrote to memory of 1652	2320	winblrsnrcs.exe	2650816958.exe
PID 2320 wrote to memory of 1652	2320	winblrsnrcs.exe	2650816958.exe
PID 2320 wrote to memory of 1652	2320	winblrsnrcs.exe	2650816958.exe

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:1148
- C:\Users\Admin\AppData\Local\Temp\7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe
  "C:\Users\Admin\AppData\Local\Temp\7963d18a574f388046440e75a89ef991177107e472b33c3534b4eeecc3254965.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Users\Admin\AppData\Local\Temp\C40.exe
    "C:\Users\Admin\AppData\Local\Temp\C40.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:872
  - - C:\Users\Admin\AppData\Local\Temp\2255729627.exe
      C:\Users\Admin\AppData\Local\Temp\2255729627.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      Suspicious use of WriteProcessMemory
      PID:2496
    - - C:\Windows\sysmablsvr.exe
        
        C:\Windows\sysmablsvr.exe
        5⤵
        Modifies security service
        Windows security bypass
        Executes dropped EXE
        Loads dropped DLL
        Windows security modification
        Suspicious use of WriteProcessMemory
        
        PID:2516
      - C:\Users\Admin\AppData\Local\Temp\1459532009.exe
        
        C:\Users\Admin\AppData\Local\Temp\1459532009.exe
        6⤵
        Executes dropped EXE
        
        PID:2740
      - C:\Users\Admin\AppData\Local\Temp\770429297.exe
        
        C:\Users\Admin\AppData\Local\Temp\770429297.exe
        6⤵
        Executes dropped EXE
        Loads dropped DLL
        Suspicious use of WriteProcessMemory
        
        PID:1260
        
        C:\Users\Admin\AppData\Local\Temp\1800322494.exe
        
        C:\Users\Admin\AppData\Local\Temp\1800322494.exe
        7⤵
        Suspicious use of NtCreateUserProcessOtherParentProcess
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:1380
      - C:\Users\Admin\AppData\Local\Temp\1059420423.exe
        
        C:\Users\Admin\AppData\Local\Temp\1059420423.exe
        6⤵
        Executes dropped EXE
        
        PID:3068
      - C:\Users\Admin\AppData\Local\Temp\273511546.exe
        
        C:\Users\Admin\AppData\Local\Temp\273511546.exe
        6⤵
        Executes dropped EXE
        Adds Run key to start application
        Drops file in Windows directory
        Suspicious use of WriteProcessMemory
        
        PID:1844
        
        C:\Windows\winblrsnrcs.exe
        
        C:\Windows\winblrsnrcs.exe
        7⤵
        Modifies security service
        Windows security bypass
        Executes dropped EXE
        Loads dropped DLL
        Windows security modification
        Suspicious use of WriteProcessMemory
        
        PID:2320
        
        C:\Users\Admin\AppData\Local\Temp\1809825731.exe
        
        C:\Users\Admin\AppData\Local\Temp\1809825731.exe
        8⤵
        Executes dropped EXE
        
        PID:2768
        
        C:\Users\Admin\AppData\Local\Temp\2650816958.exe
        
        C:\Users\Admin\AppData\Local\Temp\2650816958.exe
        8⤵
        Executes dropped EXE
        
        PID:1652
      - C:\Users\Admin\AppData\Local\Temp\221862976.exe
        
        C:\Users\Admin\AppData\Local\Temp\221862976.exe
        6⤵
        Executes dropped EXE
        
        PID:2108
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:928
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Windows Upgrade Manager" /tr "'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe'"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:1928
- C:\Windows\System32\schtasks.exe
  C:\Windows\System32\schtasks.exe /run /tn "Windows Upgrade Manager"
  2⤵
  PID:1012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#llzqlmcx#> IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /tn 'Windows Upgrade Manager' /tr '''C:\Users\Admin\Windows Upgrade\wupgrdsv.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'Windows Upgrade Manager' -RunLevel 'Highest' -Force; }
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\system32\schtasks.exe
    "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn "Windows Upgrade Manager" /tr "'C:\Users\Admin\Windows Upgrade\wupgrdsv.exe'"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2700
- C:\Windows\System32\notepad.exe
  C:\Windows\System32\notepad.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2928

C:\Windows\system32\taskeng.exe
taskeng.exe {FD9F1A08-4388-4C7D-AD33-E446F571F072} S-1-5-21-2297530677-1229052932-2803917579-1000:HKULBIBU\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\Windows Upgrade\wupgrdsv.exe
  "C:\Users\Admin\Windows Upgrade\wupgrdsv.exe"
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\138924636.exe

Filesize
86KB

MD5
fe1e93f12cca3f7c0c897ef2084e1778

SHA1
fb588491ddad8b24ea555a6a2727e76cec1fade3

SHA256
2ebc4a92f4fdc27d4ab56e57058575a8b18adb076cbd30feea2ecdc8b7fcd41f

SHA512
36e0524c465187ae9ad207c724aee45bcd61cfd3fa66a79f9434d24fcbadc0a743834d5e808e6041f3bd88e75deb5afd34193574f005ed97e4b17c6b0388cb93

Download Submit
C:\Users\Admin\AppData\Local\Temp\1809825731.exe

Filesize
8KB

MD5
87b22e975994246dc5b7c2a3adbf85a5

SHA1
1e6528987190f0f5188240cdac553388c39e8590

SHA256
17399263a05a9144c1571e8ef88175fd08c61a38e3fcb3a955279d4a2bb9a919

SHA512
58c33379879fc75679902d1fe3db0bf1c854151cb6e4bf10496a1d657a8778699be70976bd8bba1ddd3949b24b6ae44cbc0421dd0a8cea13ef5e00179d6599db

Download Submit
C:\Users\Admin\AppData\Local\Temp\221862976.exe

Filesize
7KB

MD5
8e1d40b9409f28fe873c98e9ff232d9b

SHA1
d12e03520dfbb6e612cb54cdafd68b5d0100a3a7

SHA256
4036e1d95c9872e79ad4941240d0242e4d8238eac65041da8b71fcdec03fcf36

SHA512
eceb0ed60a22289bd743bdb35b9603d3abd893a92dcc2ecd035f1cff89bdd0931bb8b79ff119d2702c77c67e29f8ed2973aba52c5546f3f3602be6ccb1e09212

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

Filesize
7KB

MD5
66e13fb2abf6b15493f266a67b03264d

SHA1
53331ec47a1dcc768a259a777d3d334684f46c67

SHA256
56f01875903d5ff86d5324e337b7417433dfe7c2277a6b134b9b30d67edea37f

SHA512
0fcb1d55a89d2806a681e6e64566df3165b2b386220395e05615a2389d98fff03564f1f6faa860e818f4e19f04c2e2bfe472dcd8b793ac165ca08defe1d0a007

Download Submit
\Users\Admin\AppData\Local\Temp\1059420423.exe

Filesize
11KB

MD5
cafd277c4132f5d0f202e7ea07a27d5c

SHA1
72c8c16a94cce56a3e01d91bc1276dafc65b351d

SHA256
e5162fa594811f0f01fc76f4acbd9fe99b2265df9cfcbc346023f28775c19f1e

SHA512
7c87d1dec61b78e0f223e8f9fec019d96509813fa6d96129289aab00b2d6f05bf91fe1fafd680b7d9e746f4c2c8cbe48a3028bcaad479048d00d79a19f71b196

Download Submit
\Users\Admin\AppData\Local\Temp\1459532009.exe

Filesize
88KB

MD5
ababca6d12d96e8dd2f1d7114b406fae

SHA1
dcd9798e83ec688aacb3de8911492a232cb41a32

SHA256
a992920e64a64763f3dd8c2a431a0f5e56e5b3782a1496de92bc80ee71cca5ba

SHA512
b7fc70c176bdc74cf68b14e694f3e53142e64d39bd6d3e0f2e3a74ce3178ea606f92f760d21db69d72ae6677545a47c7bf390fb65cd5247a48e239f6ae8f7b8f

Download Submit
\Users\Admin\AppData\Local\Temp\1800322494.exe

Filesize
5.4MB

MD5
41ab08c1955fce44bfd0c76a64d1945a

SHA1
2b9cb05f4de5d98c541d15175d7f0199cbdd0eea

SHA256
dd12cb27b3867341bf6ca48715756500d3ec56c19b21bb1c1290806aa74cb493

SHA512
38834ae703a8541b4fec9a1db94cfe296ead58649bb1d4873b517df14d0c6a9d25e49ff04c2bf6bb0188845116a4e894aae930d849f9be8c98d2ce51da1ef116

Download Submit
\Users\Admin\AppData\Local\Temp\2255729627.exe

Filesize
88KB

MD5
4505daf4c08fc8e8e1380911e98588aa

SHA1
d990eb1b2ccbb71c878944be37923b1ebd17bc72

SHA256
a2139600c569365149894405d411ea1401bafc8c7e8af1983d046cf087269c40

SHA512
bb57d11150086c3c61f9a8fdd2511e3e780a24362183a6b833f44484238451f23b74b244262009f38a8baa7254d07dfdd9d4209efcf426dfd4e651c47f2f8cec

Download Submit
\Users\Admin\AppData\Local\Temp\273511546.exe

Filesize
18KB

MD5
30dca8b68825d5b3db7a685aa3da0a13

SHA1
07320822d14d6caf8825dd6d806c0cde398584f3

SHA256
f2dc635cb5fe8b8815ea98d909b67016975ca8e5a43cb39e47595ecd01038a96

SHA512
b5f3be086d3f7c751028d8d8a025069743b2472cec10252627f5583492383a5a865e88ad5839d83bf3a3c31b5b630753e77a2c02433d7fbe90aa11acd0f35f0c

Download Submit
\Users\Admin\AppData\Local\Temp\770429297.exe

Filesize
10KB

MD5
6567b839ec69322ba1aa41b15fbd1e64

SHA1
0a2a0770afe094765a5eb88f6201847bf642bea9

SHA256
8a4b87ed94fc50767d0bc91291a8b8a436b941b273b29ab0d442ba1cc10b76fb

SHA512
2e4798244bf3891beea64ee0b0d106c6f47b7c7d6daf222af6192874dc0ef67491c82e93821c1ff9fbd25cf9ec50178e959adb466b210ff9754dd4e8387a30cf

Download Submit
\Users\Admin\AppData\Local\Temp\C40.exe

Filesize
9KB

MD5
8d8e6c7952a9dc7c0c73911c4dbc5518

SHA1
9098da03b33b2c822065b49d5220359c275d5e94

SHA256
feb4c3ae4566f0acbb9e0f55417b61fefd89dc50a4e684df780813fb01d61278

SHA512
91a573843c28dd32a9f31a60ba977f9a3d4bb19ffd1b7254333e09bcecef348c1b3220a348ebb2cb08edb57d56cb7737f026519da52199c9dc62c10aea236645

Download Submit
memory/928-74-0x000000001B740000-0x000000001BA22000-memory.dmp

Filesize
2.9MB

Download
memory/928-75-0x0000000001CD0000-0x0000000001CD8000-memory.dmp

Filesize
32KB

Download
memory/1380-78-0x000000013FC50000-0x00000001401C6000-memory.dmp

Filesize
5.5MB

Download
memory/1544-96-0x0000000001C50000-0x0000000001C58000-memory.dmp

Filesize
32KB

Download
memory/1544-95-0x000000001B640000-0x000000001B922000-memory.dmp

Filesize
2.9MB

Download
memory/2240-25-0x0000000000400000-0x000000000040BDB0-memory.dmp

Filesize
47KB

Download
memory/2244-99-0x000000013F780000-0x000000013FCF6000-memory.dmp

Filesize
5.5MB

Download
memory/2928-100-0x00000000001B0000-0x00000000001D0000-memory.dmp

Filesize
128KB

Download
memory/2928-123-0x0000000140000000-0x00000001407EF000-memory.dmp

Filesize
7.9MB

Download