1a662d847f16850658216634eda7c98ce06b0c861017de16e8dc8ff12a412abe

Analysis

max time kernel
150s
max time network
151s
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

Speccy.exe
Size

5.0MB
MD5

5ceba11afa3cb63e73320786dc0652ca
SHA1

d6d0971807f15b2c80d3164353edd00629c8ded5
SHA256

fdea8741ef3af7375ae7a10564b863a01b3646a8c427249e183646409f9166d2
SHA512

933d2b749e671745aae64fe29b0ec61c4070a3367f316fe78218e16ebcd3659f1ad46d17f543ac121d7c0c3140fd939b1aec0dca2883250f20ca69c00fe07c48
SSDEEP

98304:yHMNlpept3gSuDdFeznGkcBLwX1Pge/7yhg0:UMoptYDdFhkp7w

Score

6^/10

bootkit discovery lateral_movement persistence

Malware Config

Signatures

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)	\??\Q:	speccy64.exe
File opened (read-only)	\??\R:	speccy64.exe
File opened (read-only)	\??\G:	speccy64.exe
File opened (read-only)	\??\K:	speccy64.exe
File opened (read-only)	\??\P:	speccy64.exe
File opened (read-only)	\??\A:	speccy64.exe
File opened (read-only)	\??\W:	speccy64.exe
File opened (read-only)	\??\J:	speccy64.exe
File opened (read-only)	\??\V:	speccy64.exe
File opened (read-only)	\??\X:	speccy64.exe
File opened (read-only)	\??\Y:	speccy64.exe
File opened (read-only)	\??\Z:	speccy64.exe
File opened (read-only)	\??\B:	speccy64.exe
File opened (read-only)	\??\E:	speccy64.exe
File opened (read-only)	\??\I:	speccy64.exe
File opened (read-only)	\??\N:	speccy64.exe
File opened (read-only)	\??\O:	speccy64.exe
File opened (read-only)	\??\S:	speccy64.exe
File opened (read-only)	\??\T:	speccy64.exe
File opened (read-only)	\??\U:	speccy64.exe
File opened (read-only)	\??\H:	speccy64.exe
File opened (read-only)	\??\L:	speccy64.exe
File opened (read-only)	\??\M:	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\keyboard.inf_amd64_5938c699b80ebb8f\keyboard.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\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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Speccy.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_QEMU&Prod_QEMU_DVD-ROM\4&215468a5&0&010000\FriendlyName	speccy64.exe
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

Suspicious behavior: EnumeratesProcesses 52 IoCs

pid	Process
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe
3012	speccy64.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
660	Process not Found

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3012	speccy64.exe
Token: SeCreatePagefilePrivilege	3012	speccy64.exe
Token: SeDebugPrivilege	3012	speccy64.exe
Token: SeShutdownPrivilege	3012	speccy64.exe
Token: SeCreatePagefilePrivilege	3012	speccy64.exe
Token: SeShutdownPrivilege	3012	speccy64.exe
Token: SeCreatePagefilePrivilege	3012	speccy64.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3012	speccy64.exe
3012	speccy64.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3012	speccy64.exe
3012	speccy64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3012	speccy64.exe
3012	speccy64.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 3012	984	Speccy.exe	84
PID 984 wrote to memory of 3012	984	Speccy.exe	84
PID 3012 wrote to memory of 3448	3012	speccy64.exe	90
PID 3012 wrote to memory of 3448	3012	speccy64.exe	90
PID 3012 wrote to memory of 2472	3012	speccy64.exe	92
PID 3012 wrote to memory of 2472	3012	speccy64.exe	92
PID 3012 wrote to memory of 884	3012	speccy64.exe	95
PID 3012 wrote to memory of 884	3012	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\Speccy.exe
"C:\Users\Admin\AppData\Local\Temp\Speccy.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:984
- C:\Users\Admin\AppData\Local\Temp\speccy64.exe
  "C:\Users\Admin\AppData\Local\Temp\Speccy.exe"
  2⤵
  - 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:3012
- - C:\Program Files\Java\jre-1.8\bin\java.exe
    "C:\Program Files\Java\jre-1.8\bin\java" -version
    3⤵
    PID:3448
- - C:\Program Files\Java\jdk-1.8\bin\java.exe
    "C:\Program Files\Java\jdk-1.8\bin\java" -version
    3⤵
    PID:2472
- - C:\Windows\system32\secedit.exe
    /export /cfg "C:\Users\Admin\AppData\Local\Temp\spc_se.txt" /quiet /areas SECURITYPOLICY
    3⤵
    PID:884

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:2240

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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\sce28026.tmp

Filesize
1KB

MD5
a233be01a4ccda6a437f57b9a2c92309

SHA1
e3339773c30ffc1cc75eee1103ffb6ecb9c43ec4

SHA256
4c1e429a300f9be0caccd74af2a62c1a0f8e49956be7dfdb8de40e22c346bf2c

SHA512
bc90bd898a5bcaa1b185c6497f69f29b83eda7723e46b62eababb1d171e07cd28d356d9290c898f702c330a6d247fbe3f989eb0131ab3536382685133a921349

Download Submit
C:\Users\Admin\AppData\Local\Temp\sce28026.tmp

Filesize
12KB

MD5
009819c0abc869038a9d184bd7a9b6c7

SHA1
3ce497bc1ce7cb35209fd2a8556dabae7ee3adfe

SHA256
2fd69eb9a60ae80b0168ff8f4656e5981701f1558bf5707997b1ee9ba35c3185

SHA512
3fe0065e16ade01bda35f0c850b6a67cfbd0e3377e7470c67680f2502b76444261f6abc4dbd6ea2822d1a76f3d386c6f7af7aa5bd8f32659d15912428ec7b23d

Download Submit
memory/2472-27-0x000001669AB30000-0x000001669AB31000-memory.dmp

Filesize
4KB

Download
memory/3448-15-0x000001E797450000-0x000001E797451000-memory.dmp

Filesize
4KB

Download