618f070f15ea83b900caf9ff65a88cf6a4eeda03a8e32d47848cf9d90b9df6a7

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 23:16

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General

Target

42a1492b58e85a4b4b49b2d33608413c.exe
Size

260KB
MD5

42a1492b58e85a4b4b49b2d33608413c
SHA1

a26ac907b6ae83de36aaffc49959174f4c1c8b92
SHA256

618f070f15ea83b900caf9ff65a88cf6a4eeda03a8e32d47848cf9d90b9df6a7
SHA512

c9ea934db2af3df6f91de73892763185f891be2e7457866466f4e77f48ec2b17499b51f446c561f415d482362569ac55ba32b64001d7b960ba7577f353138380
SSDEEP

6144:AAPTOCuq51JsmiQFF0kJNOlsh2IiobuUnGsf8AD:AoB7BsHQz8JmG0D

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\\42A149~1.EXE,"	42a1492b58e85a4b4b49b2d33608413c.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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\42A149~1.EXE"	42a1492b58e85a4b4b49b2d33608413c.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\a29ee485 = "ø™~\x0eÉ¯3e\x1aèí\x1e’Çjc^¡§sÿ\x1azÇ¾ðêNMÿ<ôÙ²ZYš°Â \f[Ž‘ÜòŒ/\x1a\f](ÖKkŒ¥\x12\u0090}N\x19‡ºX ÄOÖŸ&Ù{\u0081®Ënª~aÖ{\t£nF3!û.\u0081ªÊÉòÒ\t[\tfc‰qnñû.™!;ébF–¡ÙÃv\x061QƒúÛ¢\x0eÁ\u00812FIÙ*¶éÂÁvÙ\x11Zâ©™\"3Y#£Q>Ó&ivCé>bÃ\"¾KÎ¶9Æê\x11ó‰›^©&±I!™ñ¦ûúñ®#»C\x1b–\x1bânê£™!ñ±q‰i!Kcv\x16\tÉË¢\"ó\u0081Qn¾–y¾Z‘\x02¶A\x11\x02Ù\x13®ó‰é\u0081)\x01Û™\x01‘Ë®yn+¢Ž«v\u0081Ê\x0e>‘QÁj«\x01¾"	42a1492b58e85a4b4b49b2d33608413c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\42A149~1.EXE"	42a1492b58e85a4b4b49b2d33608413c.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe
2432	42a1492b58e85a4b4b49b2d33608413c.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2432	42a1492b58e85a4b4b49b2d33608413c.exe
Token: SeSecurityPrivilege	2432	42a1492b58e85a4b4b49b2d33608413c.exe
Token: SeSecurityPrivilege	2432	42a1492b58e85a4b4b49b2d33608413c.exe
Token: SeSecurityPrivilege	2432	42a1492b58e85a4b4b49b2d33608413c.exe

C:\Users\Admin\AppData\Local\Temp\42a1492b58e85a4b4b49b2d33608413c.exe
"C:\Users\Admin\AppData\Local\Temp\42a1492b58e85a4b4b49b2d33608413c.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2432

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/2432-0-0x0000000000590000-0x00000000005F7000-memory.dmp

Filesize
412KB

Download
memory/2432-1-0x0000000000400000-0x0000000000590000-memory.dmp

Filesize
1.6MB

Download
memory/2432-3-0x0000000002470000-0x0000000002522000-memory.dmp

Filesize
712KB

Download
memory/2432-5-0x0000000002470000-0x0000000002522000-memory.dmp

Filesize
712KB

Download
memory/2432-7-0x0000000002470000-0x0000000002522000-memory.dmp

Filesize
712KB

Download
memory/2432-9-0x0000000002470000-0x0000000002522000-memory.dmp

Filesize
712KB

Download
memory/2432-11-0x0000000002470000-0x0000000002522000-memory.dmp

Filesize
712KB

Download
memory/2432-13-0x0000000002470000-0x0000000002522000-memory.dmp

Filesize
712KB

Download
memory/2432-15-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-17-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-19-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-20-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-42-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-41-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-43-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-45-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-44-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-46-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-47-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-48-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-49-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-51-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-50-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-52-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-53-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-56-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-55-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-54-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-57-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-59-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-58-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-60-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-62-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-61-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-63-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-65-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-64-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-66-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-70-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-68-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-67-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-72-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-71-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-74-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-73-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-75-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-76-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-86-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-85-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-82-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-87-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download
memory/2432-778-0x0000000000590000-0x00000000005F7000-memory.dmp

Filesize
412KB

Download
memory/2432-1033-0x0000000000400000-0x0000000000590000-memory.dmp

Filesize
1.6MB

Download
memory/2432-1198-0x0000000002630000-0x00000000026E8000-memory.dmp

Filesize
736KB

Download