b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676

Analysis

max time kernel
148s
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
01/12/2022, 19:01

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General

Target

b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
Size

452KB
MD5

58aad6ca627ef09cb1590575b9eac19b
SHA1

d8b80ea7d08772982b99246ae9017a74a5a5d1d9
SHA256

b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676
SHA512

6c12fbb9b130b4468fa2ba13cac0dc170f46586d080294e1c6a448b18b14f73bdfe6b340c44e39afb7bc7c48f7e3e0a6433695be948b6ec86126f14329a2f521
SSDEEP

12288:lItUq46JYZClwaTlu9zdrte8gfxPCD1bxTePQQ/:lItbVJYZqJn9fhCxN83/

Score

6^/10

Malware Config

Signatures

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe
File opened for modification	C:\Windows\assembly	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
File created	C:\Windows\assembly\Desktop.ini	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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	816	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
Token: SeSecurityPrivilege	816	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
Token: SeSecurityPrivilege	816	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
Token: SeRestorePrivilege	2488	dw20.exe
Token: SeBackupPrivilege	2488	dw20.exe
Token: SeBackupPrivilege	2488	dw20.exe
Token: SeBackupPrivilege	2488	dw20.exe
Token: SeBackupPrivilege	2488	dw20.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 816 wrote to memory of 2488	816	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe	80
PID 816 wrote to memory of 2488	816	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe	80
PID 816 wrote to memory of 2488	816	b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe	80

C:\Users\Admin\AppData\Local\Temp\b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe
"C:\Users\Admin\AppData\Local\Temp\b647d39fb8d881015ffb8ca82a6a115717f38ad3029426fa6c3a4ba427231676.exe"
1⤵
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:816
- 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:2488

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

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Downloads

memory/816-132-0x0000000074560000-0x0000000074B11000-memory.dmp

Filesize
5.7MB

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memory/816-134-0x0000000074560000-0x0000000074B11000-memory.dmp

Filesize
5.7MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads