c1846dd6c690054aeff048693b93d9964684e4de28986da1f1b46ea119ba671a

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 09:58

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General

Target

7465296d24134378902d098d6298da9e.exe
Size

239KB
MD5

7465296d24134378902d098d6298da9e
SHA1

5209a7189ae4a62ea6de83f0a055c692743ff046
SHA256

c1846dd6c690054aeff048693b93d9964684e4de28986da1f1b46ea119ba671a
SHA512

23c3c41d733d3ed39497c8abd43a6a3a5eb959ef90c87366f60563b3ed5fa26e0cb2769e9822e774952876031a644009c1676ca71e6bbf1fcd3c55547be3477d
SSDEEP

6144:75y0M+pV5IfH2DdaJ/aBF5ddroSFs6+aTSbDGIeKsq78Z:n3ufH2ZWaZhFs62O7KsqYZ

Score

8^/10

persistence

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\serf\Parameters\ServiceDll = "C:\\Windows\\system32\\wser.dll"	7465296d24134378902d098d6298da9e.exe

Deletes itself 1 IoCs

pid	Process
2348	cmd.exe

Loads dropped DLL 1 IoCs

pid	Process
2332	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\wser.dll	7465296d24134378902d098d6298da9e.exe
File opened for modification	C:\Windows\SysWOW64\wser.dll	7465296d24134378902d098d6298da9e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2348	2420	7465296d24134378902d098d6298da9e.exe	29
PID 2420 wrote to memory of 2348	2420	7465296d24134378902d098d6298da9e.exe	29
PID 2420 wrote to memory of 2348	2420	7465296d24134378902d098d6298da9e.exe	29
PID 2420 wrote to memory of 2348	2420	7465296d24134378902d098d6298da9e.exe	29

C:\Users\Admin\AppData\Local\Temp\7465296d24134378902d098d6298da9e.exe
"C:\Users\Admin\AppData\Local\Temp\7465296d24134378902d098d6298da9e.exe"
1⤵
- Sets DLL path for service in the registry
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\7465296d24134378902d098d6298da9e.exe"
  2⤵
  - Deletes itself
  PID:2348

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:2332

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\wser.dll

Filesize
526KB

MD5
fcfb47d5bc12a68093f08ffa136de2a1

SHA1
7753692ad3622195d3a5d424f1bda19dad929071

SHA256
d888a1d163545798a1143d4499e00b0c935d0fdf64e3ceea3c0dd23e51270baa

SHA512
65355260410cae299d057e29b28093a189e4933302f3fb1fdae90cb1b7b917ef3411f6b129684ac9e8dd4a60aab5bd345da15bc7920ad1cc0aef7c598a1a7111

Download Submit
memory/2332-5-0x0000000000560000-0x00000000005EB000-memory.dmp

Filesize
556KB

Download
memory/2332-7-0x0000000000560000-0x00000000005EB000-memory.dmp

Filesize
556KB

Download
memory/2420-0-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/2420-6-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads