b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59

Analysis

max time kernel
144s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2022, 15:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
Size

504KB
MD5

86447465b59acd147c951c352ad9772b
SHA1

48510c10fde03ccc05b6f47479515b3cc30ffd27
SHA256

b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59
SHA512

683ca38d5f427745d42b0e15f79abf86e6d21a605f3f394b3d4f90e9a0b2709fc00fcee68393073c5ba40a9d0ca64803a473065ba1a4fc8038e83315c81e26be
SSDEEP

12288:U4t8mANGCP+nDfg3sTwHNAUft7lyuzKeFL5R/5/LFiRZI6Pz89cEYJouHbz+Wrm9:UEPH8xGwHp7V

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
File created	C:\Windows\assembly\Desktop.ini	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe
File opened for modification	C:\Windows\assembly	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
File created	C:\Windows\assembly\Desktop.ini	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeBackupPrivilege	1272	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
Token: SeSecurityPrivilege	1272	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
Token: SeSecurityPrivilege	1272	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
Token: SeRestorePrivilege	1136	dw20.exe
Token: SeBackupPrivilege	1136	dw20.exe
Token: SeBackupPrivilege	1136	dw20.exe
Token: SeBackupPrivilege	1136	dw20.exe
Token: SeBackupPrivilege	1136	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1272 wrote to memory of 1136	1272	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe	85
PID 1272 wrote to memory of 1136	1272	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe	85
PID 1272 wrote to memory of 1136	1272	b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe	85

C:\Users\Admin\AppData\Local\Temp\b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe
"C:\Users\Admin\AppData\Local\Temp\b6f71e8f9e147b7c73b87d1c1e019842b445230edf54b617ec9c18a6aa418e59.exe"
1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 1052
  2⤵
  - Drops file in Windows directory
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:1136

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1272-132-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-134-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download
memory/1272-135-0x0000000074700000-0x0000000074CB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads