4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040

General

Target

4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe
Size

141KB
MD5

77067974a70af43a3cadf88219d1e28c
SHA1

7aa8fd4d0e0f44a4ed37f8542f7a1b0bc9faa58c
SHA256

4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040
SHA512

9872bcfd51d5e05d17ad23410326744c13d6d757a998867043a906475cde22daa0ab523bedbf430b8e48043c340e382c74978089ecf0e39cd56d4797b60cc09d

Score

10^/10

evasion persistence trojan

Malware Config

Signatures

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

Processes:

winsvcs.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	winsvcs.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	winsvcs.exe

Windows security bypass 2 TTPs 6 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

winsvcs.exe

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

Executes dropped EXE 1 IoCs

Processes:

winsvcs.exe

pid process

2020 winsvcs.exe

pid	process
2020	winsvcs.exe

Loads dropped DLL 2 IoCs

Processes:

4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe

pid	process
1852	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe
1852	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe

Windows security modification 2 TTPs 7 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

winsvcs.exe

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Services = "C:\\Windows\\5769805074060605\\winsvcs.exe"	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Services = "C:\\Windows\\5769805074060605\\winsvcs.exe"	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe

Drops file in Windows directory 3 IoCs

Processes:

4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe

description	ioc	process
File opened for modification	C:\Windows\5769805074060605	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe
File created	C:\Windows\5769805074060605\winsvcs.exe	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe
File opened for modification	C:\Windows\5769805074060605\winsvcs.exe	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe

description	pid	process	target process
PID 1852 wrote to memory of 2020	1852	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe	winsvcs.exe
PID 1852 wrote to memory of 2020	1852	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe	winsvcs.exe
PID 1852 wrote to memory of 2020	1852	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe	winsvcs.exe
PID 1852 wrote to memory of 2020	1852	4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe	winsvcs.exe

C:\Users\Admin\AppData\Local\Temp\4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe
"C:\Users\Admin\AppData\Local\Temp\4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\5769805074060605\winsvcs.exe
  C:\Windows\5769805074060605\winsvcs.exe
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  PID:2020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\5769805074060605\winsvcs.exe

Filesize
141KB

MD5
77067974a70af43a3cadf88219d1e28c

SHA1
7aa8fd4d0e0f44a4ed37f8542f7a1b0bc9faa58c

SHA256
4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040

SHA512
9872bcfd51d5e05d17ad23410326744c13d6d757a998867043a906475cde22daa0ab523bedbf430b8e48043c340e382c74978089ecf0e39cd56d4797b60cc09d

Download Submit
\Windows\5769805074060605\winsvcs.exe

Filesize
141KB

MD5
77067974a70af43a3cadf88219d1e28c

SHA1
7aa8fd4d0e0f44a4ed37f8542f7a1b0bc9faa58c

SHA256
4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040

SHA512
9872bcfd51d5e05d17ad23410326744c13d6d757a998867043a906475cde22daa0ab523bedbf430b8e48043c340e382c74978089ecf0e39cd56d4797b60cc09d

Download Submit
\Windows\5769805074060605\winsvcs.exe

Filesize
141KB

MD5
77067974a70af43a3cadf88219d1e28c

SHA1
7aa8fd4d0e0f44a4ed37f8542f7a1b0bc9faa58c

SHA256
4c0103c745fa6e173821035c304863d751bea9c073d19070d9ebf8685da95040

SHA512
9872bcfd51d5e05d17ad23410326744c13d6d757a998867043a906475cde22daa0ab523bedbf430b8e48043c340e382c74978089ecf0e39cd56d4797b60cc09d

Download Submit
memory/1852-54-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/1852-55-0x000000000050D000-0x0000000000510000-memory.dmp

Filesize
12KB

Download
memory/1852-56-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2020-59-0x0000000000000000-mapping.dmp

Download
memory/2020-62-0x00000000002AD000-0x00000000002B0000-memory.dmp

Filesize
12KB

Download
memory/2020-63-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads