43d3b62c463c79fd235624fdfc50382c0a7e034c7b7306fdf4e39472d303cbaf

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
15/04/2024, 03:35

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General

Target

f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
Size

239KB
MD5

f036b98a4a283b5c094e129dea8f2b31
SHA1

1f16b397bbf66698c28f2ccb568a48a13bbf6a9a
SHA256

43d3b62c463c79fd235624fdfc50382c0a7e034c7b7306fdf4e39472d303cbaf
SHA512

94daf169a405215114153f632a41aa05fbbe045fdecd979fd6ec22a9b5f13069b1cbe8446454f3947c564b3d823603e7c54f045009f13bb156b818a40aea5403
SSDEEP

6144:ecfqGJSFKnLQXBgBrX227mz4DgAxOvKWr8:dtJS40x0pDgAxOv/8

Score

10^/10

discovery 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\\F036B9~1.EXE,"	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.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-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\F036B9~1.EXE"	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

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\a9414a6e = "ë‚ž\u008d#„\x14ñ\x02O¼ûéàz¡É€jø`8d®\u0081û©‚4&Û—ˆ†^˜Y\u0090 é~ã” r(#ä¤µØ‡d\x05Gš`í•é!Fêz›I\u008fx±T€ucé27Ó_Sð&´ ™”x‚ÒXá´\u0090ºŽ\u00a0¸¦HQ®±žj\x19‰¬º\u0081üô¾\x02æ>)¾$@aÉb`¬ÒR®€0ÈªÊ\x1a>°ð¦ä\u00a00,\u0081$n\béœ\x11Ê©,\|\x18ÞÖ4DZ\x1eX®9hùÐ©(¹>J\"âZ~‚d)n.ù‚è ©X>Q¸\|6øtœR¡zÈøŽ\x18¶Ú\f:\x0e2Èª\x18ÜnPò©¢h\x06 ŽJ‰\\˜ö1ˆh~À\|¾žàrhèjÐp,ü`xQHh\"ÄÔv`\x18:~\""	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\F036B9~1.EXE"	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeSecurityPrivilege	4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
Token: SeSecurityPrivilege	4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
Token: SeSecurityPrivilege	4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
Token: SeSecurityPrivilege	4056	f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f036b98a4a283b5c094e129dea8f2b31_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4056

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

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4056-0-0x000000007FDE0000-0x000000007FE49000-memory.dmp

Filesize
420KB

Download
memory/4056-1-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4056-3-0x0000000002260000-0x0000000002312000-memory.dmp

Filesize
712KB

Download
memory/4056-4-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-6-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-7-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-9-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-10-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-58-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-59-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-60-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-61-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-62-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-63-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-66-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-69-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-70-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-71-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-76-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-73-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-78-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-81-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-83-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-86-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-88-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-82-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-90-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-94-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-92-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-96-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-98-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-99-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-101-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-104-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-106-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-107-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-109-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-112-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-114-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download
memory/4056-4412-0x000000007FDE0000-0x000000007FE49000-memory.dmp

Filesize
420KB

Download
memory/4056-5062-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/4056-6420-0x0000000002890000-0x0000000002948000-memory.dmp

Filesize
736KB

Download