7f1beb32d0565e8ebe9db45b1bc9a29b8fe6f2cfb7f17605bd2f6ec40f761b89

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:11

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General

Target

5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe
Size

441KB
MD5

b9f5eaf0927d4c526e3a838d82236dbc
SHA1

b760db73097b50b340706d785bf67236c3074c25
SHA256

5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547
SHA512

673aa114aeb21e124d2f6cfb697a5880194edf4543d1ce792ffbe9742e236e4607f5f51aa6f5e672f500b2f894c358686c32bbd41ca6a2552c502c1c5ac51106
SSDEEP

6144:pXoI87e04Y8x9eL7e6VlWT8b9BcgjwUPbQVd/y1E:pM98+7PVle8rAUeCE

Score

10^/10

persistence privilege_escalation

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Windows\\xdwdAutodesk Maya.exe"	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.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

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\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\cmdd = "C:\\Program Files\\xdwdMicrosoft Teams.exe"	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\xdwdMicrosoft Teams.exe	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe
File opened for modification	C:\Program Files\xdwdMicrosoft Teams.exe	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\xdwdAutodesk Maya.exe	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe
File opened for modification	C:\Windows\xdwdAutodesk Maya.exe	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe
File created	C:\Windows\xdwd.dll	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe

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

pid	Process
2840	schtasks.exe
2848	schtasks.exe
2712	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2712	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2892	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	32
PID 2640 wrote to memory of 2892	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	32
PID 2640 wrote to memory of 2892	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	32
PID 2892 wrote to memory of 2840	2892	CMD.exe	34
PID 2892 wrote to memory of 2840	2892	CMD.exe	34
PID 2892 wrote to memory of 2840	2892	CMD.exe	34
PID 2640 wrote to memory of 2716	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	35
PID 2640 wrote to memory of 2716	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	35
PID 2640 wrote to memory of 2716	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	35
PID 2716 wrote to memory of 2848	2716	CMD.exe	37
PID 2716 wrote to memory of 2848	2716	CMD.exe	37
PID 2716 wrote to memory of 2848	2716	CMD.exe	37
PID 2640 wrote to memory of 2676	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	38
PID 2640 wrote to memory of 2676	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	38
PID 2640 wrote to memory of 2676	2640	5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe	38
PID 2676 wrote to memory of 2712	2676	CMD.exe	40
PID 2676 wrote to memory of 2712	2676	CMD.exe	40
PID 2676 wrote to memory of 2712	2676	CMD.exe	40

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\5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe
"C:\Users\Admin\AppData\Local\Temp\5be338c227e46f56eb13670ecc6ba26209097332f30411531456d5d829cbf547.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\system32\CMD.exe
  "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "DaVinci Resolve Update" /tr "C:\Windows\xdwdAutodesk Maya.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2892
- - C:\Windows\system32\schtasks.exe
    SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "DaVinci Resolve Update" /tr "C:\Windows\xdwdAutodesk Maya.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2840
- C:\Windows\system32\CMD.exe
  "CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "Notepad++ Upgrade" /tr "C:\Windows\xdwdAutodesk Maya.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\system32\schtasks.exe
    SchTaSKs /create /f /sc minute /mo -1 /tn "Notepad++ Upgrade" /tr "C:\Windows\xdwdAutodesk Maya.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2848
- C:\Windows\system32\CMD.exe
  "CMD" /c SchTaSKs /create /f /sc minute /mo 5 /tn "Notepad++ Upgrade" /tr "C:\Program Files\xdwdMicrosoft Teams.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\system32\schtasks.exe
    SchTaSKs /create /f /sc minute /mo 5 /tn "Notepad++ Upgrade" /tr "C:\Program Files\xdwdMicrosoft Teams.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    - Suspicious behavior: EnumeratesProcesses
    PID:2712

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

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

Registry Run Keys / Startup Folder

T1547.001

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

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\xdwd.dll

Filesize
136KB

MD5
16e5a492c9c6ae34c59683be9c51fa31

SHA1
97031b41f5c56f371c28ae0d62a2df7d585adaba

SHA256
35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66

SHA512
20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6

Download Submit
memory/2640-0-0x000007FEF5D23000-0x000007FEF5D24000-memory.dmp

Filesize
4KB

Download
memory/2640-1-0x0000000000B30000-0x0000000000BA4000-memory.dmp

Filesize
464KB

Download
memory/2640-2-0x000007FEF5D23000-0x000007FEF5D24000-memory.dmp

Filesize
4KB

Download
memory/2640-36-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

Filesize
9.9MB

Download
memory/2640-89-0x000007FEF5D20000-0x000007FEF670C000-memory.dmp

Filesize
9.9MB

Download
memory/2712-35-0x000007FEFA6E0000-0x000007FEFA702000-memory.dmp

Filesize
136KB

Download