1224f386d990ed1d2406087114c2420951fb7b2095199a2f0c559e8a14b2af01

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 07:18

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General

Target

0e33b04b1ccc7eb3891363b18af1907d.exe
Size

210KB
MD5

0e33b04b1ccc7eb3891363b18af1907d
SHA1

4e6a8ddd87bb7ba6e9aa77c268d9e277d917cca9
SHA256

1224f386d990ed1d2406087114c2420951fb7b2095199a2f0c559e8a14b2af01
SHA512

18fd5bcc7ea5b031f8452be7712b24de823e6fa93d0db12b4f79714887f6327f9468fbcf94d1ba1a736e951b83dbe385a9c9956380093511f1a98b3a5f2c0a6a
SSDEEP

3072:Ht+o2adNnckCfKpqLUJFmjoKzLCeGB1lNIX3fWjKAkNCZs9I8ByLJOdEtuEuNrBk:n2KpBuZef1onf2KAg/9I8Id9MEuq+b

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 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\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\apppatch\\svchost.exe,"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4072	svchost.exe

Modifies WinLogon 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\35d8e392 = "õ;H\x14dØ_\bãr›ï£o+€r\x0fæ×¦\b\b\x17ój\x130–\x1fÈÇ\x06¼÷žÉnk½îk‘õÄÁ-\x7f}]ó…ž&Ôù\rn6Üe\x0fw>nü\x7f>ÞI¹fg\x06\x14VŒ‹\f_£+œùÞ£™ÞÜÓy¡£I/\x15ÿ~þ¾Ä\x1955e·©¤\x1dÖË\x146¾o6n«\x0e&íaTÁ[üÞ¹mK\x0eÓÆÏæ_Ï£3ÞƒŸ+ÆfÞ,ùžC“¼ƒ¶NŽ‰ÆŒ»6\x156k£\x19¡»ÝË¶\x1fûT$‡ŽG?ã<Ääï!,®$ÛŒak\v\x13ovŒ6öF\u0081vö—M÷V#\u008d\x05ƒ¤½Y/)-9\x0eö\u00ad¶\x11ëÜ³‹DF\x15Ä™‘ŸùFëuáËÍs\x0e«#ƒü®\x15«\u009dÌf¶#\x17W]F."	0e33b04b1ccc7eb3891363b18af1907d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\35d8e392 = "õ;H\x14dØ_\bãr›ï£o+€r\x0fæ×¦\b\b\x17ój\x130–\x1fÈÇ\x06¼÷žÉnk½îk‘õÄÁ-\x7f}]ó…ž&Ôù\rn6Üe\x0fw>nü\x7f>ÞI¹fg\x06\x14VŒ‹\f_£+œùÞ£™ÞÜÓy¡£I/\x15ÿ~þ¾Ä\x1955e·©¤\x1dÖË\x146¾o6n«\x0e&íaTÁ[üÞ¹mK\x0eÓÆÏæ_Ï£3ÞƒŸ+ÆfÞ,ùžC“¼ƒ¶NŽ‰ÆŒ»6\x156k£\x19¡»ÝË¶\x1fûT$‡ŽG?ã<Ääï!,®$ÛŒak\v\x13ovŒ6öF\u0081vö—M÷V#\u008d\x05ƒ¤½Y/)-9\x0eö\u00ad¶\x11ëÜ³‹DF\x15Ä™‘ŸùFëuáËÍs\x0e«#ƒü®\x15«\u009dÌf¶#\x17W]F."	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	0e33b04b1ccc7eb3891363b18af1907d.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	0e33b04b1ccc7eb3891363b18af1907d.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4456	0e33b04b1ccc7eb3891363b18af1907d.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe
4072	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4456	0e33b04b1ccc7eb3891363b18af1907d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 4072	4456	0e33b04b1ccc7eb3891363b18af1907d.exe	23
PID 4456 wrote to memory of 4072	4456	0e33b04b1ccc7eb3891363b18af1907d.exe	23
PID 4456 wrote to memory of 4072	4456	0e33b04b1ccc7eb3891363b18af1907d.exe	23

C:\Users\Admin\AppData\Local\Temp\0e33b04b1ccc7eb3891363b18af1907d.exe
"C:\Users\Admin\AppData\Local\Temp\0e33b04b1ccc7eb3891363b18af1907d.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  PID:4072

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\Temp\99E6.tmp

Filesize
1KB

MD5
ea3be86077d2394bbad45ab5425bdb3e

SHA1
3cb66b45f92fc74756feb9661aaa94a2e37184c2

SHA256
1e9627c21372fa75a5e3842880d851822ea3c6a1f532b67d8e48aedc105c7256

SHA512
f47a98a9d067c7d005068f669bc810a4f6b64a8377113d2e1decd05062f087702e23eb469452da03db89dd1c2e2a5c117ede79e4276e04450768044412487005

Download Submit
C:\Users\Admin\AppData\Local\Temp\D199.tmp

Filesize
22KB

MD5
10775d12d58f67c15f41a9cf2a8c136a

SHA1
f8de104b43ff4de3e6428253c9afb0b09d21ceba

SHA256
257f80901588370118d6d2270d298f93d864945b177d9cdd5933dfddc3a86172

SHA512
47fe03082f80938310223a093f9e721a9b5d5a333862e4f7a9ffd54f6d3920966bad83545d46e499e692051027360ab8d0ada17982220683b7a5f096e66b9de3

Download Submit
C:\Users\Admin\AppData\Local\Temp\EAB1.tmp

Filesize
593B

MD5
3b03d93d3487806337b5c6443ce7a62d

SHA1
93a7a790bb6348606cbdaf5daeaaf4ea8cf731d0

SHA256
7392749832c70fcfc2d440d7afc2f880000dd564930d95d634eb1199fa15de30

SHA512
770977beaeedafc5c98d0c32edc8c6c850f05e9f363bc9997fa73991646b02e5d40ceed0017b06caeab0db86423844bc4b0a9f0df2d8239230e423a7bfbd4a88

Download Submit
C:\Users\Admin\AppData\Local\Temp\EAB1.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

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

Filesize
210KB

MD5
ed945eabc57b08173a57149e2b808ac3

SHA1
b51a040890836dd557f4f484d7b596db50561fc1

SHA256
4fc70f3c2e766175bb840a5de7bcab8f047a927c940b3433333d30e8dd56ef94

SHA512
b62387f8b8785e1d1779753aa2ea5e84109b2340a1e9f96ee7afa6db287d7f55f65b68d2634197273d196de878a51262de7d842d20a2123d2600171ee39c2649

Download Submit
memory/4072-52-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-14-0x0000000002B20000-0x0000000002BC8000-memory.dmp

Filesize
672KB

Download
memory/4072-28-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-34-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-36-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-44-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-54-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-56-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-71-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-75-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-76-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-73-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-74-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-72-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-70-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-69-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-68-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-67-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-66-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-65-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-64-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-63-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-53-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-15-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-49-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-50-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-51-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-48-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-21-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-46-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-40-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-33-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-32-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-31-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-30-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-29-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-27-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-26-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-25-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-24-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-23-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-22-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-20-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-176-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/4072-177-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-19-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-17-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-47-0x0000000002D10000-0x0000000002DC6000-memory.dmp

Filesize
728KB

Download
memory/4072-13-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/4456-0-0x00000000022E0000-0x0000000002331000-memory.dmp

Filesize
324KB

Download
memory/4456-1-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/4456-12-0x0000000000400000-0x0000000000547000-memory.dmp

Filesize
1.3MB

Download
memory/4456-11-0x00000000022E0000-0x0000000002331000-memory.dmp

Filesize
324KB

Download