d120c80694d06777d054968a966a04f6d83ac40cd45da47945bd118d00bcdf93

Analysis

max time kernel
124s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 13:24

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General

Target

SecurityHealthSystray.exe
Size

1.5MB
MD5

b0b618706bd5dc3ee0c7ea5df4141994
SHA1

5c2fd255b837ec3e9e31f26906fc84c4f7915efd
SHA256

d120c80694d06777d054968a966a04f6d83ac40cd45da47945bd118d00bcdf93
SHA512

5d539c7df1c16b190822e0eedf8df217508d8c282011fd9b33673e067c5f122ce929f55942be8d24fd6cb32c2897963687fb44544e5e493fcbb9542380058a10
SSDEEP

12288:10VtAsf/qHLHH70mLicSl6/xtdd7jJ04GrbhXC2ip7sf5PVle8isq:cfkZXbb+rbVC207suP

Score

10^/10

credential_access discovery persistence privilege_escalation spyware stealer

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

SecurityHealthSystray.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Users\\Admin\\xdwdMicrosoft Excel Host.exe"	SecurityHealthSystray.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

Processes:

resource	yara_rule
behavioral2/memory/4028-1-0x00000000007E0000-0x0000000000960000-memory.dmp	net_reactor

Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
credential_access stealer

Windows Credential Manager
T1555.004

Loads dropped DLL 5 IoCs

Processes:

WmiApSrv.exe

pid	Process
1180
1604
3700	WmiApSrv.exe
3912
4856

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

Drops file in Windows directory 1 IoCs

Processes:

SecurityHealthSystray.exe

description	ioc	Process
File created	C:\Windows\xdwd.dll	SecurityHealthSystray.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid	Process
2124	schtasks.exe
4408	schtasks.exe
2908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

SecurityHealthSystray.exeWmiApSrv.exe

pid	Process
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
3700	WmiApSrv.exe
3700	WmiApSrv.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe
4028	SecurityHealthSystray.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SecurityHealthSystray.exe

description	pid	Process
Token: SeDebugPrivilege	4028	SecurityHealthSystray.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SecurityHealthSystray.exeCMD.exeCMD.exeCMD.exe

description	pid	Process	procid_target
PID 4028 wrote to memory of 3300	4028	SecurityHealthSystray.exe	93
PID 4028 wrote to memory of 3300	4028	SecurityHealthSystray.exe	93
PID 3300 wrote to memory of 2908	3300	CMD.exe	95
PID 3300 wrote to memory of 2908	3300	CMD.exe	95
PID 4028 wrote to memory of 4316	4028	SecurityHealthSystray.exe	99
PID 4028 wrote to memory of 4316	4028	SecurityHealthSystray.exe	99
PID 4316 wrote to memory of 2124	4316	CMD.exe	101
PID 4316 wrote to memory of 2124	4316	CMD.exe	101
PID 4028 wrote to memory of 3852	4028	SecurityHealthSystray.exe	102
PID 4028 wrote to memory of 3852	4028	SecurityHealthSystray.exe	102
PID 3852 wrote to memory of 4408	3852	CMD.exe	104
PID 3852 wrote to memory of 4408	3852	CMD.exe	104

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:\Users\Admin\AppData\Local\Temp\SecurityHealthSystray.exe
"C:\Users\Admin\AppData\Local\Temp\SecurityHealthSystray.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "SecurityHealthSystray.exe" /tr "C:\Users\Admin\xdwdMicrosoft Excel Host.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3300
- - C:\Windows\system32\schtasks.exe
    SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "SecurityHealthSystray.exe" /tr "C:\Users\Admin\xdwdMicrosoft Excel Host.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2908
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\xdwdMicrosoft Excel Host.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4316
- - C:\Windows\system32\schtasks.exe
    SchTaSKs /create /f /sc minute /mo -1 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\xdwdMicrosoft Excel Host.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2124
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" /c SchTaSKs /create /f /sc minute /mo 5 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\Documents\xdwdCitrix Receiver.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3852
- - C:\Windows\system32\schtasks.exe
    SchTaSKs /create /f /sc minute /mo 5 /tn "SecurityHealthSystray" /tr "C:\Users\Admin\Documents\xdwdCitrix Receiver.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:4408

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3700

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

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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

Windows Credential Manager

T1555.004

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\xdwd.dll

Filesize
136KB

MD5
16e5a492c9c6ae34c59683be9c51fa31

SHA1
97031b41f5c56f371c28ae0d62a2df7d585adaba

SHA256
35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66

SHA512
20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6

Download Submit
memory/4028-21-0x00007FFD8D670000-0x00007FFD8E131000-memory.dmp

Filesize
10.8MB

Download
memory/4028-109-0x000000001C800000-0x000000001C876000-memory.dmp

Filesize
472KB

Download
memory/4028-3-0x00007FFD8D673000-0x00007FFD8D675000-memory.dmp

Filesize
8KB

Download
memory/4028-4-0x00007FFD8D670000-0x00007FFD8E131000-memory.dmp

Filesize
10.8MB

Download
memory/4028-20-0x00007FFD8D670000-0x00007FFD8E131000-memory.dmp

Filesize
10.8MB

Download
memory/4028-0-0x00007FFD8D673000-0x00007FFD8D675000-memory.dmp

Filesize
8KB

Download
memory/4028-1-0x00000000007E0000-0x0000000000960000-memory.dmp

Filesize
1.5MB

Download
memory/4028-2-0x00007FFD8D670000-0x00007FFD8E131000-memory.dmp

Filesize
10.8MB

Download
memory/4028-110-0x0000000001200000-0x000000000120C000-memory.dmp

Filesize
48KB

Download
memory/4028-111-0x000000001B520000-0x000000001B53E000-memory.dmp

Filesize
120KB

Download
memory/4028-112-0x00007FFD8D670000-0x00007FFD8E131000-memory.dmp

Filesize
10.8MB

Download
memory/4028-143-0x00007FFD8D670000-0x00007FFD8E131000-memory.dmp

Filesize
10.8MB

Download
memory/4028-355-0x000000001DA00000-0x000000001DB46000-memory.dmp

Filesize
1.3MB

Download
memory/4028-1018-0x00007FFD8D670000-0x00007FFD8E131000-memory.dmp

Filesize
10.8MB

Download