e52edbcb6054097cc21950494c2f62bfe5c03fb20e59783a1d23a338a0624d2f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 20:17

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General

Target

900ebd010cfe1a4ba95c77121752af69.dll
Size

231KB
MD5

900ebd010cfe1a4ba95c77121752af69
SHA1

e0092554cf75cba6e59ab6cd360b98abebf4bef1
SHA256

e52edbcb6054097cc21950494c2f62bfe5c03fb20e59783a1d23a338a0624d2f
SHA512

aa097433c2840a0db993c75f7cc497f982d72851e4d1d1e0d90013e8fda805a833c7de7cf5a8903a565cec9f3231ce82474586b2dd7dd99ee49ce02a025d74d9
SSDEEP

1536:7hnfLI5eA7wY43rUD8v0mf9o4uoE7hYoQN44n3Plx3G+5bb/VGMGbwikjKZ6xs/f:FMF7X43r79o4TQ14nbGMbLmwikjnq

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\xqh = "{78d8308a-f050-45a5-0161-f050b8022c37}"	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1976	rundll32.exe
1976	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kdu.dll	rundll32.exe
File opened for modification	C:\Windows\SysWOW64\kdu.dll	rundll32.exe
File created	C:\Windows\SysWOW64\wpg.dll	rundll32.exe
File created	C:\Windows\SysWOW64\slc.dll	rundll32.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78d8308a-f050-45a5-0161-f050b8022c37}\InprocServer32	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78d8308a-f050-45a5-0161-f050b8022c37}\InprocServer32\ = "C:\\Windows\\SysWow64\\slc.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78d8308a-f050-45a5-0161-f050b8022c37}\InprocServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78d8308a-f050-45a5-0161-f050b8022c37}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{78d8308a-f050-45a5-0161-f050b8022c37}\	rundll32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1976	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1976	112	rundll32.exe	28
PID 112 wrote to memory of 1976	112	rundll32.exe	28
PID 112 wrote to memory of 1976	112	rundll32.exe	28
PID 112 wrote to memory of 1976	112	rundll32.exe	28
PID 112 wrote to memory of 1976	112	rundll32.exe	28
PID 112 wrote to memory of 1976	112	rundll32.exe	28
PID 112 wrote to memory of 1976	112	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\900ebd010cfe1a4ba95c77121752af69.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:112
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\900ebd010cfe1a4ba95c77121752af69.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 use of SetWindowsHookEx
  PID:1976

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

Replay Monitor

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Downloads

\Windows\SysWOW64\kdu.dll

Filesize
625KB

MD5
95e2376b3323f062eb562b8586d0f14a

SHA1
453d4c3bf4a489433b593420a37bbffb7749875a

SHA256
bd3fa8750123d00aa0967fba44372c46ea002681da9c9b77a4f9261553e26017

SHA512
b898603d07a49237e4dfc6872d5caa7616bae1258926f10e66c4d3f0d81cccefac1e844395b65bb1f308fbc022061b52e51f60658d0a546c04b365b3428cc87d

Download Submit
\Windows\SysWOW64\wpg.dll

Filesize
1.1MB

MD5
9b98d47916ead4f69ef51b56b0c2323c

SHA1
290a80b4ded0efc0fd00816f373fcea81a521330

SHA256
96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

SHA512
68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

Download Submit
memory/1976-0-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1976-10-0x0000000076A60000-0x0000000076B70000-memory.dmp

Filesize
1.1MB

Download
memory/1976-12-0x0000000076D50000-0x0000000076DF0000-memory.dmp

Filesize
640KB

Download
memory/1976-11-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/1976-13-0x0000000076A60000-0x0000000076B70000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads