cf55ec22d9c296320b624f94156080c872093a47b8018276faffdbb1d47ea042

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 19:54

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General

Target

NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe
Size

210KB
MD5

0ac5880cc1862e29e1683a403a64d9d0
SHA1

d343babf19fe2fd46b504e7aaf67f1b1ca4d8a20
SHA256

cf55ec22d9c296320b624f94156080c872093a47b8018276faffdbb1d47ea042
SHA512

6c50fa07d714a85b9d900f23b678f83765af9e8c989bd51e5ae91f8ba1822b2a1857d52ef97a2b0ca4fc03e1af78daa7e5c76ee5dcc94edd6e64869660b2d7e0
SSDEEP

3072:HfI+O5HNkDxtVagroHSCpNce3oPOM7TC7BbCk+dZpp5bdAXPVaefq4Nxi/3:45YRjBh3C7dULPiPVBg

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3244	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\b59c3911 = "C:\\Windows\\apppatch\\svchost.exe"	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe

Drops file in Program Files directory 21 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Defender\purylev.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\gadyciz.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\pumyjig.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\gatyhub.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyfuv.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lyxynyx.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\galynuh.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qexyhuv.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vofycot.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\puzylyp.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lysyfyj.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lyrysor.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\pupydeq.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lymyxid.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vocyzit.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\pupycag.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\qetyhyg.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\volykit.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\lygyvuj.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\vonypom.com	svchost.exe
File created	C:\Program Files (x86)\Windows Defender\galyqaz.com	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000_Classes\Local Settings\MuiCache	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe
3244	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4540	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4540	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe
Token: SeSecurityPrivilege	4540	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe
Token: SeSecurityPrivilege	3244	svchost.exe
Token: SeSecurityPrivilege	3244	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 3244	4540	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe	87
PID 4540 wrote to memory of 3244	4540	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe	87
PID 4540 wrote to memory of 3244	4540	NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe	87

C:\Users\Admin\AppData\Local\Temp\NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.0ac5880cc1862e29e1683a403a64d9d0.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540
- 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:3244

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\BN9G1CWF\login[1].htm

Filesize
168B

MD5
d57e3a550060f85d44a175139ea23021

SHA1
2c5cb3428a322c9709a34d04dd86fe7628f8f0a6

SHA256
43edf068d34276e8ade4113d4d7207de19fc98a2ae1c07298e593edae2a8774c

SHA512
0364fe6a010fce7a3f4a6344c84468c64b20fd131f3160fc649db78f1075ba52d8a1c4496e50dbe27c357e01ee52e94cdcda8f7927cba28d5f2f45b9da690063

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

Filesize
210KB

MD5
97feefa3bf71665799c905b3196f8e34

SHA1
bb34e29af9e96cf9fe8ef5b4297d8c1d93ae8e80

SHA256
2d94d6e43a7f474f8863bb8b303cc0150593b0f31f8fd327c7db12f2c2534d89

SHA512
d3c16b2b4a1ff4916c72ee65f05d83ba6367b003fe825ff0b68c5f1a3668351ae0b10681667014613bd81101088dc3b09ce5e2a1fdfa28fbd6a6433db268ae71

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

Filesize
210KB

MD5
97feefa3bf71665799c905b3196f8e34

SHA1
bb34e29af9e96cf9fe8ef5b4297d8c1d93ae8e80

SHA256
2d94d6e43a7f474f8863bb8b303cc0150593b0f31f8fd327c7db12f2c2534d89

SHA512
d3c16b2b4a1ff4916c72ee65f05d83ba6367b003fe825ff0b68c5f1a3668351ae0b10681667014613bd81101088dc3b09ce5e2a1fdfa28fbd6a6433db268ae71

Download Submit
memory/3244-42-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-29-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-14-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/3244-164-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-162-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/3244-19-0x0000000002CF0000-0x0000000002D9A000-memory.dmp

Filesize
680KB

Download
memory/3244-21-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-23-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-25-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-26-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-27-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-28-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-44-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-30-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-31-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-32-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-35-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-34-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-37-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-41-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-40-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-17-0x0000000002900000-0x0000000002952000-memory.dmp

Filesize
328KB

Download
memory/3244-18-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/3244-43-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-55-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-50-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-51-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-49-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-53-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-39-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-54-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-47-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-56-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-57-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-58-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-59-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-60-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-61-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-62-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-63-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-64-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/3244-79-0x0000000003100000-0x00000000031B7000-memory.dmp

Filesize
732KB

Download
memory/4540-2-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4540-1-0x0000000002380000-0x00000000023D2000-memory.dmp

Filesize
328KB

Download
memory/4540-0-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4540-16-0x0000000000400000-0x00000000005E3000-memory.dmp

Filesize
1.9MB

Download
memory/4540-15-0x0000000002380000-0x00000000023D2000-memory.dmp

Filesize
328KB

Download