35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c

General

Target

35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
Size

712KB
MD5

2badfeb6ae78015ae0626faa442ca9ed
SHA1

005c0e801215093148c12467edb78f9b60de5750
SHA256

35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c
SHA512

945ed35aaa9a877ba768b51343d843ce9983e7c468b46a8041a5338ba63f065461cd22bf963d8fe5af9d7e01bbe6be01070cc4dfce3332ee6a3917a17a535730
SSDEEP

6144:HPNDXW8jOD/gSwgQM6/lkw3RRHxNjfOB8xOE5S:dW77gSw7WwB

Score

8^/10

bootkit persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\Microsoft Corp = "C:\\Users\\Admin\\AppData\\Roaming\\svchosts.exe"	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe

Executes dropped EXE 2 IoCs

pid	Process
1660	svchosts.exe
4848	svchosts.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1728-136-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1728-138-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1728-139-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1728-140-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1728-146-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4848-155-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 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\Microsoft Corp = "C:\\Users\\Admin\\AppData\\Roaming\\svchosts.exe"	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Corp = "C:\\Users\\Admin\\AppData\\Roaming\\svchosts.exe"	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
File opened for modification	\??\PhysicalDrive0	svchosts.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{11AAA8F6-E960-4BBD-98C6-F7B57FD41019}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{FBAC5B14-9DD1-4598-AC4B-2B531F049F2A}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4544 set thread context of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 1660 set thread context of 4848	1660	svchosts.exe	79

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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.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	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
1660	svchosts.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 4544 wrote to memory of 1728	4544	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	77
PID 1728 wrote to memory of 1660	1728	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	78
PID 1728 wrote to memory of 1660	1728	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	78
PID 1728 wrote to memory of 1660	1728	35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe	78
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79
PID 1660 wrote to memory of 4848	1660	svchosts.exe	79

C:\Users\Admin\AppData\Local\Temp\35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
"C:\Users\Admin\AppData\Local\Temp\35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Users\Admin\AppData\Local\Temp\35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe
  "C:\Users\Admin\AppData\Local\Temp\35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c.exe"
  2⤵
  - Adds policy Run key to start application
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Users\Admin\AppData\Roaming\svchosts.exe
    /NEWSHIT
    3⤵
    - Executes dropped EXE
    - Writes to the Master Boot Record (MBR)
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1660
  - - C:\Users\Admin\AppData\Roaming\svchosts.exe
      /NEWSHIT
      4⤵
      Executes dropped EXE
      PID:4848

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:1316

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\svchosts.exe

Filesize
712KB

MD5
2badfeb6ae78015ae0626faa442ca9ed

SHA1
005c0e801215093148c12467edb78f9b60de5750

SHA256
35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c

SHA512
945ed35aaa9a877ba768b51343d843ce9983e7c468b46a8041a5338ba63f065461cd22bf963d8fe5af9d7e01bbe6be01070cc4dfce3332ee6a3917a17a535730

Download Submit
C:\Users\Admin\AppData\Roaming\svchosts.exe

Filesize
712KB

MD5
2badfeb6ae78015ae0626faa442ca9ed

SHA1
005c0e801215093148c12467edb78f9b60de5750

SHA256
35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c

SHA512
945ed35aaa9a877ba768b51343d843ce9983e7c468b46a8041a5338ba63f065461cd22bf963d8fe5af9d7e01bbe6be01070cc4dfce3332ee6a3917a17a535730

Download Submit
C:\Users\Admin\AppData\Roaming\svchosts.exe

Filesize
712KB

MD5
2badfeb6ae78015ae0626faa442ca9ed

SHA1
005c0e801215093148c12467edb78f9b60de5750

SHA256
35a18d64a53f6f9c18d7709f2c55757c893a328f30c38cb26eea2b07f570467c

SHA512
945ed35aaa9a877ba768b51343d843ce9983e7c468b46a8041a5338ba63f065461cd22bf963d8fe5af9d7e01bbe6be01070cc4dfce3332ee6a3917a17a535730

Download Submit
memory/1660-156-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1660-148-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1728-139-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1728-140-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1728-146-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1728-138-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1728-136-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-132-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4544-147-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4848-155-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads