471f3fb1a953fab38be3081eb835574694bc72b94f239edc400d1ce3d7a8ecb0

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 09:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
Size

116KB
MD5

3444e41067c52192e3ee1e5f57ddd393
SHA1

cccd89e09c2391f7e6bb8cb972c364bc27cad61d
SHA256

d03d3d4eab25c38eef57493c7494d3a1ffd0147e1fcb2730a97d9b826e15e799
SHA512

81a6729a11b5626fc49bbcdc2988a2a1de0fe9b1805d5ac9271666a12b81a40f4ce932b51014a21f262fd677773a010894deae3b7bc13ab85d142647662b281e
SSDEEP

1536:MnUfv0+ZXqm3S+DQNn1Bp/GpL7F6iCINF8nqZULCYk:Mn6v0+ZX5S+DQ11Bx67FZNF8nqWLTk

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer_new.exe"	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\oubpqpczoyauyiz = "C:\\Windows\\hoaizexrqeahmdjnytmu.exe"	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oubpqpczoyauyiz = "C:\\Windows\\hoaizexrqeahmdjnytmu.exe"	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\oubpqpczoyauyiz = "C:\\ProgramData\\hoaizexrqeahmdjnytmu.exe"	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\oubpqpczoyauyiz = "C:\\ProgramData\\hoaizexrqeahmdjnytmu.exe"	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

Drops file in Windows directory 3 IoCs

Processes:

8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

description	ioc	Process
File created	C:\Windows\hoaizexrqeahmdjnytmu.exe	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
File opened for modification	C:\Windows\hoaizexrqeahmdjnytmu.exe	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
File created	C:\Windows\explorer_new.exe	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

pid	Process
4480	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
4480	8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe

C:\Users\Admin\AppData\Local\Temp\8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe
"C:\Users\Admin\AppData\Local\Temp\8791931bac7d8afbb30dc1d32a4dd54ee59a2160580a83d822a927039d8ca98f_Dumped_TDS=4F83FCDA.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:4480

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\mjbkqmmcbcdnxuevbmvcftrnrxipmvoo

Filesize
16B

MD5
a4bacc0bf0d458752ade8955ca34ce3c

SHA1
430864ab5d224bafea766f9ccd915522cfef79e9

SHA256
8219c61808d5aa86b9266c485af7fb2337048af3d70742fc86377dfcdd507de6

SHA512
e87487198d539d42623fac26b294ea8d456518b2447ea18cd94a5832075f1daa336d7d120b2e3532cd014d130e50704137a8fc73868256994a030aae6768432f

Download Submit
memory/4480-0-0x00000000008E0000-0x00000000008FD000-memory.dmp

Filesize
116KB

Download
memory/4480-23-0x00000000008E0000-0x00000000008FD000-memory.dmp

Filesize
116KB

Download