f874732e16e1247bdcea30d08f322e0bf32a926d8007ca4a66228e26e0b8f634

Analysis

max time kernel
143s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 08:27

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2f0c1e1428ffe1e6a49701c9e868b4ad.exe
Size 85KB
Sample231231-kcdqlabbf7
SHA256 f874732e16e1247bdcea30d08f322e0bf32a926d8007ca4a66228e26e0b8f634
MD5 2f0c1e1428ffe1e6a49701c9e868b4ad
SHA1 6e58844efde10feae2ff24379526791ee3f91d83
SHA512 a495fe5187e5b3c9d5bf05734789f179963e26a3d14eef1e0e847d3381296a47fd428a979a2524d7a2bac28a6ef64047b1db94a2498b9c01e3bbb6aa7a74b2bc
SSDEEP 1536:JZzpf8qLOuz4wi0ipQ8f7VffnFnToIf5TR/r5ZANbWmuw8G8m:vzpUqbpUxVffntTBf5TR/r5ZANbWqr8m
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence

Malware Config

Signatures

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\beep.sys	2f0c1e1428ffe1e6a49701c9e868b4ad.exe

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\MediaCenter\Parameters\ServiceDll = "C:\\Windows\\system32\\RxmyttC.dll"	2f0c1e1428ffe1e6a49701c9e868b4ad.exe

Loads dropped DLL 2 IoCs

pid	Process
1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe
1128	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\RxmyttC.dll	2f0c1e1428ffe1e6a49701c9e868b4ad.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe
1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe
1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe
1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
656	Process not Found

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 4052	1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe	20
PID 1204 wrote to memory of 4052	1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe	20
PID 1204 wrote to memory of 4052	1204	2f0c1e1428ffe1e6a49701c9e868b4ad.exe	20

C:\Users\Admin\AppData\Local\Temp\2f0c1e1428ffe1e6a49701c9e868b4ad.exe
"C:\Users\Admin\AppData\Local\Temp\2f0c1e1428ffe1e6a49701c9e868b4ad.exe"
1⤵
- Drops file in Drivers directory
- Sets DLL path for service in the registry
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2F0C1E~1.EXE > nul
  2⤵
  PID:4052

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
PID:4404

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
- Loads dropped DLL
PID:1128

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads