1a662d847f16850658216634eda7c98ce06b0c861017de16e8dc8ff12a412abe

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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-1-5-21-3551809350-4263495960-1443967649-1000\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)	\??\E:	Speccy64.exe
File opened (read-only)	\??\K:	Speccy64.exe
File opened (read-only)	\??\N:	Speccy64.exe
File opened (read-only)	\??\O:	Speccy64.exe
File opened (read-only)	\??\P:	Speccy64.exe
File opened (read-only)	\??\U:	Speccy64.exe
File opened (read-only)	\??\Z:	Speccy64.exe
File opened (read-only)	\??\B:	Speccy64.exe
File opened (read-only)	\??\H:	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)	\??\V:	Speccy64.exe
File opened (read-only)	\??\W:	Speccy64.exe
File opened (read-only)	\??\A:	Speccy64.exe
File opened (read-only)	\??\I:	Speccy64.exe
File opened (read-only)	\??\J:	Speccy64.exe
File opened (read-only)	\??\L:	Speccy64.exe
File opened (read-only)	\??\Q:	Speccy64.exe
File opened (read-only)	\??\T:	Speccy64.exe
File opened (read-only)	\??\X:	Speccy64.exe
File opened (read-only)	\??\G:	Speccy64.exe
File opened (read-only)	\??\Y:	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 Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\setupact.log	Speccy64.exe
File opened for modification	C:\Windows\setuperr.log	Speccy64.exe
File opened for modification	C:\Windows\INF\setupapi.app.log	Speccy64.exe
File opened for modification	C:\Windows\WindowsUpdate.log	Speccy64.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe
2984	Speccy64.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
472	Process not Found

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeRestorePrivilege	2984	Speccy64.exe
Token: SeRestorePrivilege	2984	Speccy64.exe
Token: SeRestorePrivilege	2984	Speccy64.exe
Token: SeRestorePrivilege	2984	Speccy64.exe
Token: SeRestorePrivilege	2984	Speccy64.exe
Token: SeRestorePrivilege	2984	Speccy64.exe
Token: SeRestorePrivilege	2984	Speccy64.exe
Token: SeShutdownPrivilege	2984	Speccy64.exe
Token: SeDebugPrivilege	2984	Speccy64.exe
Token: SeShutdownPrivilege	2984	Speccy64.exe
Token: SeShutdownPrivilege	2984	Speccy64.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2984	Speccy64.exe
2984	Speccy64.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2984	Speccy64.exe
2984	Speccy64.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2984	Speccy64.exe
2984	Speccy64.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2408	2984	Speccy64.exe	31
PID 2984 wrote to memory of 2408	2984	Speccy64.exe	31
PID 2984 wrote to memory of 2408	2984	Speccy64.exe	31
PID 2984 wrote to memory of 2824	2984	Speccy64.exe	33
PID 2984 wrote to memory of 2824	2984	Speccy64.exe	33
PID 2984 wrote to memory of 2824	2984	Speccy64.exe	33
PID 2984 wrote to memory of 2596	2984	Speccy64.exe	35
PID 2984 wrote to memory of 2596	2984	Speccy64.exe	35
PID 2984 wrote to memory of 2596	2984	Speccy64.exe	35

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 Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Program Files\Java\jre7\bin\java.exe
  "C:\Program Files\Java\jre7\bin\java" -version
  2⤵
  PID:2408
- C:\Program Files\Java\jdk1.7.0_80\bin\java.exe
  "C:\Program Files\Java\jdk1.7.0_80\bin\java" -version
  2⤵
  PID:2824
- C:\Windows\system32\secedit.exe
  /export /cfg "C:\Users\Admin\AppData\Local\Temp\spc_se.txt" /quiet /areas SECURITYPOLICY
  2⤵
  PID:2596

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:1960

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:304

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\sce89640.tmp

Filesize
12KB

MD5
dc505882bcd8807dbe21ff2ba0e48826

SHA1
83b732cfe3fa5830779c0a1be554e01deda066d1

SHA256
dd280e08bfad952f40388b31a2641bf9888f2ace821e39d9bbceac3f487ff134

SHA512
4ff9a96ba2a08e249d2cd43bc7d1f8d8f7f378189f5fd9b48ed0079be16ad0e57add876c2a964c69be429935b8f7df9b8f380bfd8a0e35ad4911e8c1cb2453e4

Download Submit
memory/2408-13-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2824-24-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2984-0-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2984-42-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download