17593c954d601032f65823863bcb6f8c8f3a3256a361a7af638d8d6d1da1e088

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 05:56

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General

Target

8e62b8554371ceabe42b01cf3059986f.dll
Size

21KB
MD5

8e62b8554371ceabe42b01cf3059986f
SHA1

0e6e89e2a88412556c1251f934861c5fd1601bef
SHA256

17593c954d601032f65823863bcb6f8c8f3a3256a361a7af638d8d6d1da1e088
SHA512

fcb0f9cebe095c14894f3d5a48b56f4e4bda2164bb015c08dc1ac2cb0bc8682e4ff34958b4912be7460497453537de79196a39edea1130d5ed3ded8ff7fb1c88
SSDEEP

384:avlPUirjd6Qr/ihU2bHW4jHrzcmi1ZWJI87jfKCHR/if4eAB3vsmA4a:avlPUcjYUiWCgWJI87jiCHZeUvsia

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies Installed Components in the registry 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\Active Setup\Installed Components\{55AD2412-AA1B-A2EC-EC42-20A354B6032A}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{55AD2412-AA1B-A2EC-EC42-20A354B6032A}\StubPath = "C:\\Windows\\system32\\kdsbm.exe"	rundll32.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4176-0-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/4176-5-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\kdsbm.mbs	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4176	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4176	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3232 wrote to memory of 4176	3232	rundll32.exe	84
PID 3232 wrote to memory of 4176	3232	rundll32.exe	84
PID 3232 wrote to memory of 4176	3232	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e62b8554371ceabe42b01cf3059986f.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3232
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e62b8554371ceabe42b01cf3059986f.dll,#1
  2⤵
  - Modifies Installed Components in the registry
  - Drops file in System32 directory
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:4176

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

memory/4176-0-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/4176-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads