1063a1ced29e0d2658e5b807e37690a433af13f64a62f2249e39c911560fb669

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15/05/2024, 01:13

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General

Target

21144e17b70bbefaec8a23346c302ed0.exe
Size

212KB
MD5

21144e17b70bbefaec8a23346c302ed0
SHA1

8cf1ab8c67eaed661b3f813df5c6ecbca66bf455
SHA256

1063a1ced29e0d2658e5b807e37690a433af13f64a62f2249e39c911560fb669
SHA512

af4396ca5dd6692ff81752accf9cc691d008b61c3b36440679cc52b96d4a35e55b7a122490c22de5a67532467ad67f8b57c5869822a41b84aeccb51124ae7f72
SSDEEP

6144:cxNqLW6opBZMU/y/JEGjg+op2BSNCCr7/jU:SA6NBT/yEGjWwa7vU

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4984	svchost.exe

Modifies WinLogon 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\ff52aeff = "C:\\Windows\\apppatch\\svchost.exe"	21144e17b70bbefaec8a23346c302ed0.exe

Drops file in Program Files directory 35 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Defender\lysyfyj.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qexyhuv.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\dll\wkernelbase.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\symbols\dll\WinSCard.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\dll\wntdll.pdb	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vocyzit.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\galynuh.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\wkernelbase.pdb	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\galyqaz.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\pupycag.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qegyval.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lygyvuj.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\symbols\DLL\wkernel32.pdb	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyhyg.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\wrpcrt4.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\dll\WinSCard.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\wkernel32.pdb	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\gadyciz.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\gahyhiz.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\symbols\dll\wrpcrt4.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\wntdll.pdb	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vonypom.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyfuv.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\pupydeq.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\symbols\dll\wkernelbase.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\dll\wrpcrt4.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\winsta.pdb	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vofycot.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\dll\winsta.pdb	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lymyxid.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lyxynyx.com	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\symbols\dll\winsta.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\WinSCard.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\DLL\wkernel32.pdb	svchost.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\symbols\dll\wntdll.pdb	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	21144e17b70bbefaec8a23346c302ed0.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	21144e17b70bbefaec8a23346c302ed0.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings\MuiCache	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe
4984	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2588	21144e17b70bbefaec8a23346c302ed0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2588	21144e17b70bbefaec8a23346c302ed0.exe
Token: SeSecurityPrivilege	2588	21144e17b70bbefaec8a23346c302ed0.exe
Token: SeSecurityPrivilege	4984	svchost.exe
Token: SeSecurityPrivilege	4984	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4984	2588	21144e17b70bbefaec8a23346c302ed0.exe	84
PID 2588 wrote to memory of 4984	2588	21144e17b70bbefaec8a23346c302ed0.exe	84
PID 2588 wrote to memory of 4984	2588	21144e17b70bbefaec8a23346c302ed0.exe	84

C:\Users\Admin\AppData\Local\Temp\21144e17b70bbefaec8a23346c302ed0.exe
"C:\Users\Admin\AppData\Local\Temp\21144e17b70bbefaec8a23346c302ed0.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2588
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Low\IE\BSQXQJ83\login[1].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

Download Submit
C:\Windows\apppatch\svchost.exe

Filesize
212KB

MD5
22e51e81329935b0739e81f7454dcb36

SHA1
fbf188625de190540cddf8ea123ccf776f6f9d2a

SHA256
b054b21818d40de1304b9076c0d6b452e0060d22be7ce9ea0ba9398f2446a8cc

SHA512
3d883f82c929ba3a5859e84ff03d5ac7023950fc03d968a5faebaa3e2fbb2e1da07da233f4ab0a9d92eeaf6932b32bef04152eeacd0922885738e6266dfd5bd6

Download Submit
memory/2588-0-0x00000000021F0000-0x0000000002242000-memory.dmp

Filesize
328KB

Download
memory/2588-1-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2588-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2588-12-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/2588-14-0x00000000021F0000-0x0000000002242000-memory.dmp

Filesize
328KB

Download
memory/4984-16-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4984-17-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4984-18-0x0000000002490000-0x000000000253A000-memory.dmp

Filesize
680KB

Download
memory/4984-19-0x0000000000400000-0x000000000049A000-memory.dmp

Filesize
616KB

Download
memory/4984-20-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-24-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-22-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-75-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-81-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-80-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-79-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-78-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-77-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-76-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-74-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-73-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-72-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-71-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-70-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-69-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-68-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-67-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-66-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-65-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-64-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-63-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-62-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-61-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-60-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-59-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-58-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-56-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-55-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-54-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-53-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-52-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-51-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-50-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-49-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-48-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-47-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-46-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-45-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-44-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-43-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-42-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-41-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-40-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-39-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-36-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-37-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-34-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-35-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-33-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-30-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-31-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-29-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-26-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-27-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-25-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-57-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-38-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-32-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download
memory/4984-28-0x0000000002C40000-0x0000000002CF7000-memory.dmp

Filesize
732KB

Download