svcready | a7628a09046bc9f9144ecf506ef5a399befb8a985b028db8032a40ae0f96cf86

General

Target

y7E48.tmp.dll
Size

820KB
MD5

e9334bc1f6db1fe8db13e17c47299c74
SHA1

da12f863b1c4f437efc8a5faa8e04e32439eb479
SHA256

a7628a09046bc9f9144ecf506ef5a399befb8a985b028db8032a40ae0f96cf86
SHA512

b2e10ccb89dc2ec23a824cf9c39d76c698f3f1f4a3498c1fcc7b68a73a9a15e28aac512a010c769582b965d544ee558cfdc2e59a672dd7e782826e9776640d95

Score

10^/10

svcready loader suricata

Malware Config

Signatures

Detects SVCReady loader 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/336-57-0x0000000000230000-0x0000000000300000-memory.dmp	family_svcready

SVCReady
SVCReady is a malware loader first seen in April 2022.
loader svcready
suricata: ET MALWARE Observed Win32/SVCReady Loader User-Agent
suricata: ET MALWARE Observed Win32/SVCReady Loader User-Agent
suricata
suricata: ET MALWARE Win32/SVCReady Loader CnC Activity M2
suricata: ET MALWARE Win32/SVCReady Loader CnC Activity M2
suricata

Blocklisted process makes network request 18 IoCs

Processes:

rundll32.exe

flow	pid	Process
4	336	rundll32.exe
5	336	rundll32.exe
6	336	rundll32.exe
7	336	rundll32.exe
8	336	rundll32.exe
9	336	rundll32.exe
10	336	rundll32.exe
12	336	rundll32.exe
13	336	rundll32.exe
14	336	rundll32.exe
15	336	rundll32.exe
16	336	rundll32.exe
17	336	rundll32.exe
18	336	rundll32.exe
19	336	rundll32.exe
20	336	rundll32.exe
21	336	rundll32.exe
22	336	rundll32.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	rundll32.exe

Enumerates system info in registry 2 TTPs 15 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\ECFirmwareMajorRelease	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\ECFirmwareMinorRelease	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BiosMajorRelease	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BiosMinorRelease	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSVendor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSReleaseDate	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BIOSVersion	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardManufacturer	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardVersion	rundll32.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

Processes:

systeminfo.exe

pid	Process
340	systeminfo.exe

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\CLSID\{E6D34FFC-AD32-4d6a-934C-D387FA873A19}	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\CLSID\{E6D34FFC-AD32-4d6a-934C-D387FA873A19}\ = 110000005ac452876377bda27b35b4c77f7a0da7b555d773e029ef69cb2fc5438a6715fb0fa61b878f9b6f14dc786cd8b4e4b77e89	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid	Process
336	rundll32.exe
336	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	Process	procid_target
PID 880 wrote to memory of 336	880	rundll32.exe	27
PID 880 wrote to memory of 336	880	rundll32.exe	27
PID 880 wrote to memory of 336	880	rundll32.exe	27
PID 880 wrote to memory of 336	880	rundll32.exe	27
PID 880 wrote to memory of 336	880	rundll32.exe	27
PID 880 wrote to memory of 336	880	rundll32.exe	27
PID 880 wrote to memory of 336	880	rundll32.exe	27
PID 336 wrote to memory of 340	336	rundll32.exe	31
PID 336 wrote to memory of 340	336	rundll32.exe	31
PID 336 wrote to memory of 340	336	rundll32.exe	31
PID 336 wrote to memory of 340	336	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\y7E48.tmp.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\y7E48.tmp.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Checks BIOS information in registry
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:336
- - C:\Windows\SysWOW64\systeminfo.exe
    C:\Windows\System32\systeminfo.exe
    3⤵
    - Gathers system information
    PID:340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/336-54-0x0000000000000000-mapping.dmp

Download
memory/336-55-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/336-56-0x0000000000230000-0x0000000000300000-memory.dmp

Filesize
832KB

Download
memory/336-57-0x0000000000230000-0x0000000000300000-memory.dmp

Filesize
832KB

Download
memory/336-61-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/336-62-0x0000000003B30000-0x0000000003BCC000-memory.dmp

Filesize
624KB

Download
memory/340-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads