92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468

Analysis

max time kernel
350s
max time network
370s
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 14:30

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General

Target

92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe
Size

52KB
MD5

71e723806abfa363cbae151fc6af1b2f
SHA1

8f53c507828eeefd57e2717a6e016c304f8fb05b
SHA256

92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468
SHA512

d6570bac48abba71f30600f382e294b38625e9fb24704aafb2d8a622b11d05e38c27982b73cc70ccc665598bc1a50a2a7e069b1179be2199e555d805e1a70784
SSDEEP

768:aHyEBK+o6yMPqgRDMa6RwudQXQ/6P/4Jk8gqCfFC:aHL1Rt2vBXJkkUF

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
556	svchoost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\svchoost.exe"	svchoost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchoost.exe	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe
File opened for modification	C:\Windows\svchoost.exe	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe

Checks processor information in registry 2 TTPs 2 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	svchoost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchoost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	2004	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2004 wrote to memory of 556	2004	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe	84
PID 2004 wrote to memory of 556	2004	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe	84
PID 2004 wrote to memory of 556	2004	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe	84
PID 2004 wrote to memory of 2024	2004	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe	85
PID 2004 wrote to memory of 2024	2004	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe	85
PID 2004 wrote to memory of 2024	2004	92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe	85

C:\Users\Admin\AppData\Local\Temp\92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe
"C:\Users\Admin\AppData\Local\Temp\92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2004
- C:\Windows\svchoost.exe
  "C:\Windows\svchoost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks processor information in registry
  PID:556
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\92BF0F~1.EXE > nul
  2⤵
  PID:2024

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\svchoost.exe

Filesize
52KB

MD5
71e723806abfa363cbae151fc6af1b2f

SHA1
8f53c507828eeefd57e2717a6e016c304f8fb05b

SHA256
92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468

SHA512
d6570bac48abba71f30600f382e294b38625e9fb24704aafb2d8a622b11d05e38c27982b73cc70ccc665598bc1a50a2a7e069b1179be2199e555d805e1a70784

Download Submit
C:\Windows\svchoost.exe

Filesize
52KB

MD5
71e723806abfa363cbae151fc6af1b2f

SHA1
8f53c507828eeefd57e2717a6e016c304f8fb05b

SHA256
92bf0f0377a71bf230b693cae26c356bf18c8d050aaa3ddddbdb4fc3391aa468

SHA512
d6570bac48abba71f30600f382e294b38625e9fb24704aafb2d8a622b11d05e38c27982b73cc70ccc665598bc1a50a2a7e069b1179be2199e555d805e1a70784

Download Submit
memory/556-132-0x0000000000000000-mapping.dmp

Download
memory/2024-135-0x0000000000000000-mapping.dmp

Download