98cd952f5491a783cf66a125c81e929764a07c204559e02a989c5a11d99814b5

Analysis

max time kernel
105s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 20:03

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General

Target

98cd952f5491a783cf66a125c81e929764a07c204559e02a989c5a11d99814b5.dll
Size

41KB
MD5

f826ca6809ec1bf6a3df8ac6794131e1
SHA1

552aec939a33ce2d024f5924ca8afd7ee9a0e97b
SHA256

98cd952f5491a783cf66a125c81e929764a07c204559e02a989c5a11d99814b5
SHA512

94bc75f1ecb4807528be499e27ab46b4fc5c0d7f3386a6d9c4ed0b97e6b93e37149e76a30f9616068fecfdc3eb7d9d3453bf1a6fc019dd9f2cd0f3af8c0ddcfe
SSDEEP

768:0x9rlLpBe6NgcyRcQtcNW5Mp5ze5cYuM17oc/CVokzRV:0Xl+6ecyiQt4K5cQiWGX

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{46EE4032-EA0A-B1EC-C2E2-10A4D2B60E3D}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{46EE4032-EA0A-B1EC-C2E2-10A4D2B60E3D}\StubPath = "C:\\Windows\\system32\\drgsen.exe"	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drgsen.fdl	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5084	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5084	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 5084	5016	rundll32.exe	83
PID 5016 wrote to memory of 5084	5016	rundll32.exe	83
PID 5016 wrote to memory of 5084	5016	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\98cd952f5491a783cf66a125c81e929764a07c204559e02a989c5a11d99814b5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\98cd952f5491a783cf66a125c81e929764a07c204559e02a989c5a11d99814b5.dll,#1
  2⤵
  - Modifies Installed Components in the registry
  - Drops file in System32 directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:5084

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

Windows 7 deprecation

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