a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936

Analysis

max time kernel
150s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
03-07-2024 01:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe
Size

225KB
MD5

76d0c1af1f312d51ec052bc6b9b35da4
SHA1

2fb038cbce5153dd1a94140ee2615eb053822c04
SHA256

a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936
SHA512

4862bfee07d3f005dbb9e8a2e25e57c9a69dc1cb2b4e50406a341168d378fd368b4a96b40c4af24a6140add280844fcbb8b986e0d1bdb490f194d193ef4ef34d
SSDEEP

6144:zA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:zATuTAnKGwUAW3ycQqgf

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
4144	2444	WerFault.exe	winver.exe
3048	4584	WerFault.exe	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe

Modifies data under HKEY_USERS 1 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe

pid	process
4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe
4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Explorer.EXE

description	pid	process
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

winver.exea504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe

pid process

2444 winver.exe
4584 a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe

pid	process
2444	winver.exe
4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exewinver.exe

description	pid	process	target process
PID 4584 wrote to memory of 2444	4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe	winver.exe
PID 4584 wrote to memory of 2444	4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe	winver.exe
PID 4584 wrote to memory of 2444	4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe	winver.exe
PID 4584 wrote to memory of 2444	4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe	winver.exe
PID 2444 wrote to memory of 3480	2444	winver.exe	Explorer.EXE
PID 4584 wrote to memory of 3480	4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe	Explorer.EXE
PID 4584 wrote to memory of 2660	4584	a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe	sihost.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3480

C:\Users\Admin\AppData\Local\Temp\a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe
"C:\Users\Admin\AppData\Local\Temp\a504fe89ecdf6e90816e2b541c382acc216674b958c8759f494e0ce53bdba936.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4584

C:\Windows\SysWOW64\winver.exe
winver
3⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2444 -s 300
4⤵
- Program crash
PID:4144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4584 -s 876
3⤵
- Program crash
PID:3048

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2444 -ip 2444
1⤵
PID:684

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4584 -ip 4584
1⤵
PID:3960

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2660-12-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/2660-18-0x0000000000B90000-0x0000000000B96000-memory.dmp

Filesize
24KB

Download
memory/3480-4-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

Download
memory/3480-5-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

Download
memory/3480-10-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/4584-1-0x00000000045D0000-0x0000000004C28000-memory.dmp

Filesize
6.3MB

Download
memory/4584-2-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/4584-6-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4584-11-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/4584-13-0x0000000005AE0000-0x00000000064E0000-memory.dmp

Filesize
10.0MB

Download
memory/4584-17-0x00000000045D0000-0x0000000004C28000-memory.dmp

Filesize
6.3MB

Download