8dd6aa78a0c4d636254bf7bd2c38302fda0c1748f70380b79dbd804e5eeaa108

Analysis

max time kernel
98s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2022 12:54

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General

Target

8dd6aa78a0c4d636254bf7bd2c38302fda0c1748f70380b79dbd804e5eeaa108.dll
Size

236KB
MD5

56233306e00ab6de8242b4683197da90
SHA1

7044dfb6b8839b3ceb3c664d0bc879319f050092
SHA256

8dd6aa78a0c4d636254bf7bd2c38302fda0c1748f70380b79dbd804e5eeaa108
SHA512

03946a5f93b0c23550a6352fd375d0db726d25e756f61ec23292fc63b01c7ae2e3187d63c3924ea2d64046e669b8a98fb87a70f529d6ea585ff10a85e1051840
SSDEEP

1536:Iguo2K86vta10RJQYPIHL+D5IWhxRh/Ci4ucg3/+k5ltr+DRPG8Gz7wk+cQvMJ:Go256vS0RJAL+lHPKi40+66iwkD0S

Score

10^/10

persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\vjyfqyd = "{d5a10ebe-5d29-a27e-6e3a-5d2986366c49}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1044	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\iwlsdlq.dll	rundll32.exe
File created	C:\Windows\SysWOW64\qetalty.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\qetalty.dll	rundll32.exe
File created	C:\Windows\SysWOW64\iwlsdlq.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d5a10ebe-5d29-a27e-6e3a-5d2986366c49}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d5a10ebe-5d29-a27e-6e3a-5d2986366c49}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d5a10ebe-5d29-a27e-6e3a-5d2986366c49}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d5a10ebe-5d29-a27e-6e3a-5d2986366c49}\InprocServer32\ = "C:\\Windows\\SysWow64\\qetalty.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{d5a10ebe-5d29-a27e-6e3a-5d2986366c49}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1044	rundll32.exe
1044	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1044	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 1044	4604	rundll32.exe	78
PID 4604 wrote to memory of 1044	4604	rundll32.exe	78
PID 4604 wrote to memory of 1044	4604	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dd6aa78a0c4d636254bf7bd2c38302fda0c1748f70380b79dbd804e5eeaa108.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8dd6aa78a0c4d636254bf7bd2c38302fda0c1748f70380b79dbd804e5eeaa108.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\iwlsdlq.dll

Filesize
478KB

MD5
e99416267b61f52fa5ab994019efd359

SHA1
86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

SHA256
768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

SHA512
0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

Download Submit
memory/1044-132-0x0000000000000000-mapping.dmp

Download
memory/1044-133-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1044-135-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download