3c71282d1c53a16d7ac1687e0288801a062dde870c07aba9f23f6b962d537f9f

Resubmissions

28/10/2024, 17:19

241028-vv4pvathne 10

17/08/2024, 01:20

240817-bp9jcsyfkd 8

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 01:20

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Report Analysis Logs

General

Target

b7aec5f73d2a6bbd8cd920edb4760e2edadc98c3a45bf4fa994d47ca9cbd02f6.dll
Size

155KB
MD5

59b7b8d29252a9128536fbd08d24375f
SHA1

7221b9125608a54f9dd706166f936c16ee23164a
SHA256

b7aec5f73d2a6bbd8cd920edb4760e2edadc98c3a45bf4fa994d47ca9cbd02f6
SHA512

70431e0bf3759194cd50f6b567f6de7c908d13a444d14e7b35edf10fd88f16e6fe8bf0899307c7215f1ee80ff8e5909211864f4184053d9fa5bf9ec22b1d9cd4
SSDEEP

3072:0lCt2jrijQEjnMUWzsjhVPbuGHUluQj6vkZD4vP5iZWyPr:QCIrijNMv6XPbr0kulr

Score

8^/10

discovery

Malware Config

Signatures

Blocklisted process makes network request 21 IoCs

flow	pid	Process
39	1396	rundll32.exe
40	1396	rundll32.exe
45	1396	rundll32.exe
46	1396	rundll32.exe
47	1396	rundll32.exe
48	1396	rundll32.exe
54	1396	rundll32.exe
57	1396	rundll32.exe
58	1396	rundll32.exe
59	1396	rundll32.exe
63	1396	rundll32.exe
64	1396	rundll32.exe
65	1396	rundll32.exe
66	1396	rundll32.exe
79	1396	rundll32.exe
80	1396	rundll32.exe
81	1396	rundll32.exe
82	1396	rundll32.exe
83	1396	rundll32.exe
84	1396	rundll32.exe
85	1396	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1396	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE\HO2OPWVA.htm	rundll32.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Syberry.job	regsvr32.exe

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	rundll32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	rundll32.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	rundll32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b7aec5f73d2a6bbd8cd920edb4760e2edadc98c3a45bf4fa994d47ca9cbd02f6.dll
1⤵
- Drops file in Windows directory
PID:468

C:\Windows\system32\rundll32.exe
C:\Windows\system32\rundll32.exe "C:\ProgramData\Syberry\Updater.dll",Start /u
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Drops file in System32 directory
- Checks processor information in registry
- Modifies data under HKEY_USERS
PID:1396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Syberry\Updater.dll

Filesize
155KB

MD5
59b7b8d29252a9128536fbd08d24375f

SHA1
7221b9125608a54f9dd706166f936c16ee23164a

SHA256
b7aec5f73d2a6bbd8cd920edb4760e2edadc98c3a45bf4fa994d47ca9cbd02f6

SHA512
70431e0bf3759194cd50f6b567f6de7c908d13a444d14e7b35edf10fd88f16e6fe8bf0899307c7215f1ee80ff8e5909211864f4184053d9fa5bf9ec22b1d9cd4

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