a729379cf127cfbd9d2e7390f26d0a35dda0025e61c0e83a6715471d160ce888

Analysis

max time kernel
156s
max time network
173s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01-01-2024 01:50

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General

Target

3b96bded817a8f03ee802a3b0d81a574.exe
Size

272KB
MD5

3b96bded817a8f03ee802a3b0d81a574
SHA1

b95ecd745217cdf4301118aaf514ccb80b5ee8ef
SHA256

a729379cf127cfbd9d2e7390f26d0a35dda0025e61c0e83a6715471d160ce888
SHA512

e3dbf6e5cfb65254155027f7b3119b34bbfcfe02a8c3567dea6b5858c74fedefa34bb08d86597ea4f5a2d7521260e9521a696fb0f8baec34d1d86ee0e7cc7a22
SSDEEP

6144:dAA0qfdcpUwtyla3MZ9Ic/aw0kkv15WlEbZteHr8zTIw:drbFcpUIylV9IkDkv14CneHgAw

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:\\Users\\Admin\\AppData\\Local\\Temp\\3B96BD~1.EXE,"	3b96bded817a8f03ee802a3b0d81a574.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3B96BD~1.EXE"	3b96bded817a8f03ee802a3b0d81a574.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\1470e664 = "JŸ´HzÖ3\"\x11À¥L\x12ÿ…Ùý«DLìÔ½eW¶ð…µ\x11í¸¸—Ú\x12\u0090ƒ‚%Ä!h<ö²™\u008f\x1b\x10ì<óø\x17\x04Z\x02x\x01\u0090\x1a‘}b\x1c—à\x1b<Åpu½#Õ\x15C¹Xe°É“\v\x05»\u009d\r\u0081Ùýà53pAáùØÑ[±ËØe\u0081©ù\x13Uå°ƒÍ\x18¸Ý}›;‰u\t]ã‘ë]Y3\x1d³“S\u00a0Ø#IuyÃhI9ù…\x11\x13+u3MpùC;\x05ø\u008d##éÛ\x13[Øí]S55\x13…ã\x19\rù\txƒ#è[}K‘±\v[¥`¨AÛ•\b±ó!=s\u008døK\x13Ñ\u009d\x15ãè©Í\x1dƒ\x13x#Ësëø@Íã“»©i°\u00ad“xC\v{;uÐ!½}áÛ…Í\x1bA{È#= }i…›\x1bÈ#"	3b96bded817a8f03ee802a3b0d81a574.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\3B96BD~1.EXE"	3b96bded817a8f03ee802a3b0d81a574.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe
2404	3b96bded817a8f03ee802a3b0d81a574.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2404	3b96bded817a8f03ee802a3b0d81a574.exe
Token: SeSecurityPrivilege	2404	3b96bded817a8f03ee802a3b0d81a574.exe
Token: SeSecurityPrivilege	2404	3b96bded817a8f03ee802a3b0d81a574.exe
Token: SeSecurityPrivilege	2404	3b96bded817a8f03ee802a3b0d81a574.exe

C:\Users\Admin\AppData\Local\Temp\3b96bded817a8f03ee802a3b0d81a574.exe
"C:\Users\Admin\AppData\Local\Temp\3b96bded817a8f03ee802a3b0d81a574.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

memory/2404-0-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2404-1-0x0000000002130000-0x0000000002191000-memory.dmp

Filesize
388KB

Download
memory/2404-2-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2404-4-0x00000000021A0000-0x0000000002252000-memory.dmp

Filesize
712KB

Download
memory/2404-6-0x00000000021A0000-0x0000000002252000-memory.dmp

Filesize
712KB

Download
memory/2404-8-0x00000000021A0000-0x0000000002252000-memory.dmp

Filesize
712KB

Download
memory/2404-12-0x00000000021A0000-0x0000000002252000-memory.dmp

Filesize
712KB

Download
memory/2404-10-0x00000000021A0000-0x0000000002252000-memory.dmp

Filesize
712KB

Download
memory/2404-14-0x00000000021A0000-0x0000000002252000-memory.dmp

Filesize
712KB

Download
memory/2404-19-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-21-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-17-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2404-15-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-50-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-54-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-66-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-68-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-69-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-67-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-70-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-72-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-74-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-75-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-73-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-71-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-65-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-64-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-76-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-78-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-77-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-81-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-80-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-79-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-84-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-87-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-86-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-85-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-83-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-82-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-63-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-62-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-61-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-60-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-59-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-58-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-57-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-56-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-55-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-53-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-52-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-51-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-49-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-48-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-47-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-46-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-45-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-44-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-43-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download
memory/2404-170-0x0000000002130000-0x0000000002191000-memory.dmp

Filesize
388KB

Download
memory/2404-300-0x00000000026E0000-0x0000000002798000-memory.dmp

Filesize
736KB

Download