0ec4dc59bfa704ff0777038d4c747fb42db308bed43f2ad6a681b645d1bfecbd

Analysis

max time kernel
452s
max time network
1173s
platform
windows11-21h2_x64
resource
win11-20231222-en
resource tags

arch:x64arch:x86image:win11-20231222-enlocale:en-usos:windows11-21h2-x64system
submitted
26-01-2024 19:03

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General

Target

W7W5WFGX1D82S3EIURREUP57O.exe
Size

4.1MB
MD5

5432cd10140f359f17394c8e2340299c
SHA1

16ad79a097ff19b5089aff81b6bfa1a664affb18
SHA256

4e3934e65b6c2ea6be580d375f4515edf20643d88b5f83db63d2c0ad70ba0398
SHA512

05925ee28feb718c1d05216be2f4553b0db27f49aab42ae64559daa22c16b24b7c40de4ae83bd38e81f65173bf9584fbcbe3ad481366688a244e2e7774151f96
SSDEEP

98304:7ScbaLQaS+m0bcbE+1AZ1bpVDHBz/waoVNVncpH/s6i47:mn50N1AZ1dVLZwaoHxcpfm4

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

powershell.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1184116928-951304463-2249875399-1000\Software\Microsoft\Windows\CurrentVersion\Run\Changing_the_voice_in_different_timbres = "C:\\Users\\Admin\\AppData\\Local\\Changing_the_voice_in_different_timbres\\Changing_the_voice_in_different_timbres.exe"	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

W7W5WFGX1D82S3EIURREUP57O.exe

description	pid	Process	procid_target
PID 4560 set thread context of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid	Process
4524	powershell.exe
4524	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	4524	powershell.exe
Token: SeDebugPrivilege	240	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

W7W5WFGX1D82S3EIURREUP57O.exe

description	pid	Process	procid_target
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 240	4560	W7W5WFGX1D82S3EIURREUP57O.exe	80
PID 4560 wrote to memory of 4524	4560	W7W5WFGX1D82S3EIURREUP57O.exe	81
PID 4560 wrote to memory of 4524	4560	W7W5WFGX1D82S3EIURREUP57O.exe	81
PID 4560 wrote to memory of 4524	4560	W7W5WFGX1D82S3EIURREUP57O.exe	81

C:\Users\Admin\AppData\Local\Temp\W7W5WFGX1D82S3EIURREUP57O.exe
"C:\Users\Admin\AppData\Local\Temp\W7W5WFGX1D82S3EIURREUP57O.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4560
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:240
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove -ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'Changing_the_voice_in_different_timbres';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'Changing_the_voice_in_different_timbres' -Value '"C:\Users\Admin\AppData\Local\Changing_the_voice_in_different_timbres\Changing_the_voice_in_different_timbres.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_knq3uszy.kes.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/240-31-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-47-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-92-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/240-93-0x0000000005260000-0x0000000005270000-memory.dmp

Filesize
64KB

Download
memory/240-14-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-19-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-21-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/240-33-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-26-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-25-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-22-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-24-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-28-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-34-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-63-0x0000000005B20000-0x0000000005B2A000-memory.dmp

Filesize
40KB

Download
memory/240-61-0x0000000005D50000-0x0000000005DE2000-memory.dmp

Filesize
584KB

Download
memory/240-42-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-29-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-39-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/240-45-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4524-85-0x0000000007980000-0x0000000007995000-memory.dmp

Filesize
84KB

Download
memory/4524-87-0x0000000007A70000-0x0000000007A78000-memory.dmp

Filesize
32KB

Download
memory/4524-59-0x0000000005F80000-0x00000000062D7000-memory.dmp

Filesize
3.3MB

Download
memory/4524-50-0x0000000005E30000-0x0000000005E96000-memory.dmp

Filesize
408KB

Download
memory/4524-44-0x0000000005690000-0x0000000005CBA000-memory.dmp

Filesize
6.2MB

Download
memory/4524-43-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/4524-48-0x00000000055C0000-0x00000000055E2000-memory.dmp

Filesize
136KB

Download
memory/4524-38-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/4524-62-0x00000000063A0000-0x00000000063EC000-memory.dmp

Filesize
304KB

Download
memory/4524-41-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/4524-60-0x0000000006360000-0x000000000637E000-memory.dmp

Filesize
120KB

Download
memory/4524-37-0x0000000004EE0000-0x0000000004F16000-memory.dmp

Filesize
216KB

Download
memory/4524-49-0x0000000005DC0000-0x0000000005E26000-memory.dmp

Filesize
408KB

Download
memory/4524-91-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/4524-88-0x0000000007AC0000-0x0000000007AE2000-memory.dmp

Filesize
136KB

Download
memory/4524-78-0x0000000007600000-0x00000000076A4000-memory.dmp

Filesize
656KB

Download
memory/4524-80-0x0000000007730000-0x000000000774A000-memory.dmp

Filesize
104KB

Download
memory/4524-86-0x0000000007A80000-0x0000000007A9A000-memory.dmp

Filesize
104KB

Download
memory/4524-84-0x0000000007970000-0x000000000797E000-memory.dmp

Filesize
56KB

Download
memory/4524-83-0x0000000007940000-0x0000000007951000-memory.dmp

Filesize
68KB

Download
memory/4524-64-0x000000007F1F0000-0x000000007F200000-memory.dmp

Filesize
64KB

Download
memory/4524-66-0x000000006FF30000-0x000000006FF7C000-memory.dmp

Filesize
304KB

Download
memory/4524-82-0x00000000079C0000-0x0000000007A56000-memory.dmp

Filesize
600KB

Download
memory/4524-75-0x0000000007560000-0x000000000757E000-memory.dmp

Filesize
120KB

Download
memory/4524-65-0x0000000007320000-0x0000000007354000-memory.dmp

Filesize
208KB

Download
memory/4524-79-0x0000000007D70000-0x00000000083EA000-memory.dmp

Filesize
6.5MB

Download
memory/4524-81-0x00000000077B0000-0x00000000077BA000-memory.dmp

Filesize
40KB

Download
memory/4524-76-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/4524-77-0x0000000005050000-0x0000000005060000-memory.dmp

Filesize
64KB

Download
memory/4560-13-0x0000000006A00000-0x0000000006B00000-memory.dmp

Filesize
1024KB

Download
memory/4560-9-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4560-10-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4560-7-0x0000000006940000-0x0000000006950000-memory.dmp

Filesize
64KB

Download
memory/4560-8-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4560-12-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4560-4-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4560-0-0x00000000000B0000-0x00000000004DA000-memory.dmp

Filesize
4.2MB

Download
memory/4560-18-0x00000000070F0000-0x0000000007696000-memory.dmp

Filesize
5.6MB

Download
memory/4560-6-0x0000000006640000-0x00000000067D2000-memory.dmp

Filesize
1.6MB

Download
memory/4560-11-0x0000000005000000-0x0000000005010000-memory.dmp

Filesize
64KB

Download
memory/4560-16-0x0000000006A00000-0x0000000006B00000-memory.dmp

Filesize
1024KB

Download
memory/4560-15-0x0000000006A00000-0x0000000006B00000-memory.dmp

Filesize
1024KB

Download
memory/4560-27-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/4560-2-0x0000000005010000-0x00000000050AC000-memory.dmp

Filesize
624KB

Download
memory/4560-5-0x0000000005200000-0x00000000053B4000-memory.dmp

Filesize
1.7MB

Download
memory/4560-1-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download
memory/4560-3-0x0000000074390000-0x0000000074B41000-memory.dmp

Filesize
7.7MB

Download