49aed16325ad3527dbc5c579ecd75798aefc4298c7d1e75d9d68c1f80f78115e

Analysis

max time kernel
8s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 18:30

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General

Target

f3aa834ccaf8483aacdceef56b36e114.exe
Size

243KB
MD5

f3aa834ccaf8483aacdceef56b36e114
SHA1

075a68b840a90f1ad016abd610cd6b222ffad968
SHA256

49aed16325ad3527dbc5c579ecd75798aefc4298c7d1e75d9d68c1f80f78115e
SHA512

772c49e0f1f8b1a1a82de99ea7e552c6723dcd225039c2b2302b99a0032dcb06dbbea98251c0fafe84a548a4883e0a56e22af12b1dfc0e32fc7933d4f1421bfb
SSDEEP

6144:znScTKd/ASzisjWzxCyEBQFyTrfdiaXuQtqc7YKqkYh:1TKCS2sjWC1rfd/Rtqc7HqkYh

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\\F3AA83~1.EXE,"	f3aa834ccaf8483aacdceef56b36e114.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-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\F3AA83~1.EXE"	f3aa834ccaf8483aacdceef56b36e114.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\b483d658 = "\x19Ÿ³JxÖ\x12àßsìÍn›³_¸\x13»?Kßó\u008dH£\x06äÔf×Ç\x1edÐºâýÙ4ì[[\x15ãT\x12ùŠR\bL\x18&º>å\\ÀÀƒucñœ\|BÛ¦»ß\x02€‹X»3\x15:ç¨j {Cå‚R•° wÒÅJòº¥50{óÐó’\as—8 [’k\x02ïµ`¨WÃCªÍ{3³\nz\x10\vÊ\x1a{bÂXò‹ª£\u00adeïã{â»ÿããŠ¢ê\x17ÿ#§£\v#â—Ÿ«[ÐZ\u009d:\x1a}{úÈ0\x02kØ{P…b?\x1aR\u0090Z\vÒø¥ïšpp\x17ý\x02•Ê`‹â•?\x13s\u0090(ïUeýÒ+:e\x18\x02ÚÓ`ã\x12\x05pÊ§ø»Ú\x13\u009dpcË«'\x12šzˆ\búê\x12Û\x17ÿh«+ z\x17\x17úÈ"	f3aa834ccaf8483aacdceef56b36e114.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\F3AA83~1.EXE"	f3aa834ccaf8483aacdceef56b36e114.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1940	f3aa834ccaf8483aacdceef56b36e114.exe
1940	f3aa834ccaf8483aacdceef56b36e114.exe
1940	f3aa834ccaf8483aacdceef56b36e114.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1940	f3aa834ccaf8483aacdceef56b36e114.exe
Token: SeSecurityPrivilege	1940	f3aa834ccaf8483aacdceef56b36e114.exe
Token: SeSecurityPrivilege	1940	f3aa834ccaf8483aacdceef56b36e114.exe
Token: SeSecurityPrivilege	1940	f3aa834ccaf8483aacdceef56b36e114.exe

C:\Users\Admin\AppData\Local\Temp\f3aa834ccaf8483aacdceef56b36e114.exe
"C:\Users\Admin\AppData\Local\Temp\f3aa834ccaf8483aacdceef56b36e114.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1940

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/1940-1-0x0000000000830000-0x000000000087A000-memory.dmp

Filesize
296KB

Download
memory/1940-0-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/1940-2-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/1940-6-0x0000000002140000-0x00000000021F2000-memory.dmp

Filesize
712KB

Download
memory/1940-14-0x0000000002140000-0x00000000021F2000-memory.dmp

Filesize
712KB

Download
memory/1940-20-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-17-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-15-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-40-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-44-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-57-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-69-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-79-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-85-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-84-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-83-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-82-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-81-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-80-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-78-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-77-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-76-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-75-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-74-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-73-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-72-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-71-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-70-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-68-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-67-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-66-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-65-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-64-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-63-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-62-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-60-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-61-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-59-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-58-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-56-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-55-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-54-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-51-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-53-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-52-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-50-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-49-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-48-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-47-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-46-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-45-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-43-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-42-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-41-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download
memory/1940-12-0x0000000002140000-0x00000000021F2000-memory.dmp

Filesize
712KB

Download
memory/1940-10-0x0000000002140000-0x00000000021F2000-memory.dmp

Filesize
712KB

Download
memory/1940-8-0x0000000002140000-0x00000000021F2000-memory.dmp

Filesize
712KB

Download
memory/1940-4-0x0000000002140000-0x00000000021F2000-memory.dmp

Filesize
712KB

Download
memory/1940-298-0x0000000000830000-0x000000000087A000-memory.dmp

Filesize
296KB

Download
memory/1940-299-0x0000000000400000-0x00000000004CE000-memory.dmp

Filesize
824KB

Download
memory/1940-300-0x0000000002730000-0x00000000027E8000-memory.dmp

Filesize
736KB

Download