60516ea929ffd207d683f63023206d7722e7d26302dce0e80608d65132c3291a

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 05:22

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General

Target

07b309e0ea0d6b9f4a4528bb4293abd3.dll
Size

236KB
MD5

07b309e0ea0d6b9f4a4528bb4293abd3
SHA1

a8aba1760b19a673f1fb0d2f09c6cb51e198c4b6
SHA256

60516ea929ffd207d683f63023206d7722e7d26302dce0e80608d65132c3291a
SHA512

d7e0d4777f2de24d92e9be685e21055a372069d815d56ea805e7386c306a46f5dce958b3e8fa9a67e883a81194b4c41b2e1231ee345278e00372b6446c02e883
SSDEEP

3072:SeqmgHwlaazN9U3J+P0wFp+bLrt2wkkI9:+Qj9U3jwO3rt5i

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

T1547.001

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\jndsfvbxp = "{979e9d3b-1f16-646b-2027-1f1615b356b7}"	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1532	rundll32.exe

Drops file in System32 directory 4 IoCs

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

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{979e9d3b-1f16-646b-2027-1f1615b356b7}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{979e9d3b-1f16-646b-2027-1f1615b356b7}\	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{979e9d3b-1f16-646b-2027-1f1615b356b7}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{979e9d3b-1f16-646b-2027-1f1615b356b7}\InprocServer32\ = "C:\\Windows\\SysWow64\\eiynaqwsk.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{979e9d3b-1f16-646b-2027-1f1615b356b7}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1532	rundll32.exe
1532	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1532	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1532	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 1532	4356	rundll32.exe	88
PID 4356 wrote to memory of 1532	4356	rundll32.exe	88
PID 4356 wrote to memory of 1532	4356	rundll32.exe	88

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\07b309e0ea0d6b9f4a4528bb4293abd3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\07b309e0ea0d6b9f4a4528bb4293abd3.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:1532

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\waqfsiokc.dll

Filesize
478KB

MD5
e99416267b61f52fa5ab994019efd359

SHA1
86d31eae707db7fe51d2556394fcf0e8e9f6b0fd

SHA256
768c286674371564b5e6095edb56e0a4231f341be895da69cfccca5160029774

SHA512
0a1c7579a9c787c2c1bef35f0660e72e74b42824e14ebea63b87ed25ddaf107e3746567bb431cab41a2f6719fad2c22d96e0715a1fe085d75805d7d66f7f05ae

Download Submit
memory/1532-0-0x0000000000730000-0x0000000000774000-memory.dmp

Filesize
272KB

Download
memory/1532-1-0x0000000000730000-0x0000000000774000-memory.dmp

Filesize
272KB

Download
memory/1532-8-0x0000000076EC0000-0x0000000076F3A000-memory.dmp

Filesize
488KB

Download
memory/1532-11-0x0000000000730000-0x0000000000774000-memory.dmp

Filesize
272KB

Download
memory/1532-12-0x0000000076EC0000-0x0000000076F3A000-memory.dmp

Filesize
488KB

Download