1a662d847f16850658216634eda7c98ce06b0c861017de16e8dc8ff12a412abe

Analysis

max time kernel
150s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 15:15

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General

Target

Speccy64.exe
Size

6.8MB
MD5

ed1feb46b43c4b52b815a7572762ed6d
SHA1

0663ded285aeca6e7d95310df20a004034bb3e88
SHA256

e84fae9f0de05d8c3f67a21f2a10cbb842a75b1fc0eaf075428a934c78dc18cf
SHA512

6996b2f8bf0b15ee0f3c4f02f3b06a2f6f995aaa3dd52242e5bf94d783213a91d3d18046cf588b5f00e32a437d82ebb79700d374fc7f74d1fe754198fb04930e
SSDEEP

49152:7McPg8d3J5p6nMtHPpun99rNHjRo5xsU1wS5LCbStxqqzPEBKj/SUqUl/kgHmH80:8Ln05xsYAKjSVfCv8+2j2HAJ

Score

7^/10

bootkit evasion lateral_movement persistence trojan

Malware Config

Signatures

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	Speccy64.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Speccy64.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\K:	Speccy64.exe
File opened (read-only)	\??\O:	Speccy64.exe
File opened (read-only)	\??\W:	Speccy64.exe
File opened (read-only)	\??\A:	Speccy64.exe
File opened (read-only)	\??\G:	Speccy64.exe
File opened (read-only)	\??\P:	Speccy64.exe
File opened (read-only)	\??\V:	Speccy64.exe
File opened (read-only)	\??\X:	Speccy64.exe
File opened (read-only)	\??\T:	Speccy64.exe
File opened (read-only)	\??\B:	Speccy64.exe
File opened (read-only)	\??\H:	Speccy64.exe
File opened (read-only)	\??\I:	Speccy64.exe
File opened (read-only)	\??\J:	Speccy64.exe
File opened (read-only)	\??\N:	Speccy64.exe
File opened (read-only)	\??\Q:	Speccy64.exe
File opened (read-only)	\??\Y:	Speccy64.exe
File opened (read-only)	\??\Z:	Speccy64.exe
File opened (read-only)	\??\E:	Speccy64.exe
File opened (read-only)	\??\L:	Speccy64.exe
File opened (read-only)	\??\M:	Speccy64.exe
File opened (read-only)	\??\R:	Speccy64.exe
File opened (read-only)	\??\S:	Speccy64.exe
File opened (read-only)	\??\U:	Speccy64.exe

Remote Services: SMB/Windows Admin Shares 1 TTPs 1 IoCs

Adversaries may use Valid Accounts to interact with a remote network share using Server Message Block (SMB).

lateral_movement

SMB/Windows Admin Shares

T1021.002

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\LanmanServer\Parameters\NullSessionPipes	Speccy64.exe

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

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

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	Speccy64.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\System32\DriverStore\FileRepository\msmouse.inf_amd64_1793a485b491b199\msmouse.PNF	Speccy64.exe
File created	\??\c:\windows\system32\driverstore\filerepository\msmouse.inf_amd64_1793a485b491b199\msmouse.PNF	Speccy64.exe
File created	C:\Windows\System32\DriverStore\FileRepository\display.inf_amd64_71aa85b0e2292a7a\display.PNF	Speccy64.exe
File created	\??\c:\windows\system32\driverstore\filerepository\display.inf_amd64_71aa85b0e2292a7a\display.PNF	Speccy64.exe
File created	C:\Windows\System32\DriverStore\FileRepository\keyboard.inf_amd64_5938c699b80ebb8f\keyboard.PNF	Speccy64.exe
File created	\??\c:\windows\system32\driverstore\filerepository\keyboard.inf_amd64_5938c699b80ebb8f\keyboard.PNF	Speccy64.exe

Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000	Speccy64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\DeviceDesc	Speccy64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName	Speccy64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_QEMU&PROD_QEMU_DVD-ROM\4&215468A5&0&010000	Speccy64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\DeviceDesc	Speccy64.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	Speccy64.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe
1664	Speccy64.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
648	Process not Found

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1664	Speccy64.exe
Token: SeCreatePagefilePrivilege	1664	Speccy64.exe
Token: SeDebugPrivilege	1664	Speccy64.exe
Token: SeShutdownPrivilege	1664	Speccy64.exe
Token: SeCreatePagefilePrivilege	1664	Speccy64.exe
Token: SeShutdownPrivilege	1664	Speccy64.exe
Token: SeCreatePagefilePrivilege	1664	Speccy64.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1664	Speccy64.exe
1664	Speccy64.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1664	Speccy64.exe
1664	Speccy64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1664	Speccy64.exe
1664	Speccy64.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 3860	1664	Speccy64.exe	90
PID 1664 wrote to memory of 3860	1664	Speccy64.exe	90
PID 1664 wrote to memory of 3616	1664	Speccy64.exe	93
PID 1664 wrote to memory of 3616	1664	Speccy64.exe	93
PID 1664 wrote to memory of 1484	1664	Speccy64.exe	95
PID 1664 wrote to memory of 1484	1664	Speccy64.exe	95

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Speccy64.exe
"C:\Users\Admin\AppData\Local\Temp\Speccy64.exe"
1⤵
- Checks computer location settings
- Checks whether UAC is enabled
- Enumerates connected drives
- Remote Services: SMB/Windows Admin Shares
- Writes to the Master Boot Record (MBR)
- Drops file in System32 directory
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Program Files\Java\jre-1.8\bin\java.exe
  "C:\Program Files\Java\jre-1.8\bin\java" -version
  2⤵
  PID:3860
- C:\Program Files\Java\jdk-1.8\bin\java.exe
  "C:\Program Files\Java\jdk-1.8\bin\java" -version
  2⤵
  PID:3616
- C:\Windows\system32\secedit.exe
  /export /cfg "C:\Users\Admin\AppData\Local\Temp\spc_se.txt" /quiet /areas SECURITYPOLICY
  2⤵
  PID:1484

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:4344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Remote Services

T1021

SMB/Windows Admin Shares

T1021.002

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\sce18430.tmp

Filesize
12KB

MD5
009819c0abc869038a9d184bd7a9b6c7

SHA1
3ce497bc1ce7cb35209fd2a8556dabae7ee3adfe

SHA256
2fd69eb9a60ae80b0168ff8f4656e5981701f1558bf5707997b1ee9ba35c3185

SHA512
3fe0065e16ade01bda35f0c850b6a67cfbd0e3377e7470c67680f2502b76444261f6abc4dbd6ea2822d1a76f3d386c6f7af7aa5bd8f32659d15912428ec7b23d

Download Submit
memory/3616-29-0x0000015890D60000-0x0000015890D61000-memory.dmp

Filesize
4KB

Download
memory/3860-6-0x0000020A16EB0000-0x0000020A17120000-memory.dmp

Filesize
2.4MB

Download
memory/3860-15-0x0000020A155F0000-0x0000020A155F1000-memory.dmp

Filesize
4KB

Download
memory/3860-17-0x0000020A16EB0000-0x0000020A17120000-memory.dmp

Filesize
2.4MB

Download