ebf789660da5d62ba7e914055336d8e3fbb9b900f63c3162dfb702a30c339379

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
20/04/2024, 17:52

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General

Target

fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
Size

355KB
MD5

fd4caccb6de9adbb2b6624582d4282d7
SHA1

83de28b4a64cb2fee5edd6fecfa4b7741ffea625
SHA256

ebf789660da5d62ba7e914055336d8e3fbb9b900f63c3162dfb702a30c339379
SHA512

66b777414b6f0f382957e49274ea55efedd6076d3a60680e4b35f815f8c51af6467fe308f074bd3eb46f41d7296ca4bc8b545e669c1ace0dedc70449d6037ec0
SSDEEP

6144:Z3EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:umWhND9yJz+b1FcMLmp2ATTSsdS

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
4568	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\e636359b = "ü=´p\x1cée×è´Sþ½Ox†“âU›šûò—\u0090vÅ™5\x0f\x1aH]\x15oÕÅ¹·\u008f=µ\x7foßßÿw·\x7f\u008fÿÍg×©UåG\x05Ww?Ù\x05iÿµ%×¸¡Ÿ¹Ÿ—µÇ¯¿u½WgØX\x19·W‰\x17Õ5…Ç©}€w\u008f§—˜'ÿð¯a\a?\r¡\ao¡ÍHý×QoýQ\x15½]·‰—í¿\x1fI\u00a0\x1déØÅIQ}°\x1dß}8\x17\x0f¿\u00a0ñ%}¹Åým\x1dqQÿ\x1fWÅÁg€•…å=0AgÇ)AÙÇ\u00a0§÷wÕå_½ñ\u009dmG\r\rÕ_¥·`åðÇ G\x10_˜\x1fß\x05Ð%%Ý'Ï×mi}gGÕ]\u009d°}8Ï(\x10åý\u009díßÀU}í}q\u009dÍG‡¥½'•‰¨\x7f\x01Á•Å]÷\x1d\x19"	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\e636359b = "ü=´p\x1cée×è´Sþ½Ox†“âU›šûò—\u0090vÅ™5\x0f\x1aH]\x15oÕÅ¹·\u008f=µ\x7foßßÿw·\x7f\u008fÿÍg×©UåG\x05Ww?Ù\x05iÿµ%×¸¡Ÿ¹Ÿ—µÇ¯¿u½WgØX\x19·W‰\x17Õ5…Ç©}€w\u008f§—˜'ÿð¯a\a?\r¡\ao¡ÍHý×QoýQ\x15½]·‰—í¿\x1fI\u00a0\x1déØÅIQ}°\x1dß}8\x17\x0f¿\u00a0ñ%}¹Åým\x1dqQÿ\x1fWÅÁg€•…å=0AgÇ)AÙÇ\u00a0§÷wÕå_½ñ\u009dmG\r\rÕ_¥·`åðÇ G\x10_˜\x1fß\x05Ð%%Ý'Ï×mi}gGÕ]\u009d°}8Ï(\x10åý\u009díßÀU}í}q\u009dÍG‡¥½'•‰¨\x7f\x01Á•Å]÷\x1d\x19"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe
4568	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3988 wrote to memory of 4568	3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe	89
PID 3988 wrote to memory of 4568	3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe	89
PID 3988 wrote to memory of 4568	3988	fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fd4caccb6de9adbb2b6624582d4282d7_JaffaCakes118.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:3988
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  PID:4568

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\4C28.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

Download Submit
C:\Users\Admin\AppData\Local\Temp\846C.tmp

Filesize
481B

MD5
2234a7bfd10044c04bd551760817ddfa

SHA1
ccc92459d26f421b3e8ccaf0a4f38d037eaba8e2

SHA256
73e0a231867415ce4fd80312b0cf4207f73fa5bc216507a5feede8ab05f44f13

SHA512
f7c6d29ea1984df9092d51d3fc9c4b930b66023aefd81164875bf61475835af9b294e622eaa99efc48060cdbe5d943ba29c7c5043687fc47dffee371dc6d590a

Download Submit
C:\Users\Admin\AppData\Local\Temp\849C.tmp

Filesize
41KB

MD5
2787c8d1fcc3e942b5dde425413097b4

SHA1
34bdbd929d1220f3a4f8b383d93e191e2da1ce6d

SHA256
06239c1130f7e82a6fbdc6873396f441c176b43711ff0e41e0f90005cd753e23

SHA512
65e79aa3b52289ae37ded22e610066ee7ced44f795a2bd8f00fb36b0383c0e0362eb6676ee271d048533eb7516516b7add6f973a377fd03ebada66168a65978f

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

Filesize
355KB

MD5
8ef4ac7a84690859cfb1a634dd8d1529

SHA1
e3ab7a1972aa3d5c3c1748ffb353a4b01c132f24

SHA256
6e620e24852bcd3089511c1000507084c9a3135a4be499d420afdeb64b982327

SHA512
ea1a94ce35dcca0f8bd3c1344f64fc105e0c150ff3584f2e3f348e54cc8b550b3c977b8d7ab947476ef06e971e47519934fdfe4b9c5cc622bc731ab1848e7081

Download Submit
memory/4568-40-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-32-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-16-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-17-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-18-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-19-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-21-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-22-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-20-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-23-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-26-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-25-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-29-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-30-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-44-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-28-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-34-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-38-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-15-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-14-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-50-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-39-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-46-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-47-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-49-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-41-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-51-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-53-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-56-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-58-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-64-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-63-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-67-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-69-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-66-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-59-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-12-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-10-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-302-0x0000000002B00000-0x0000000002BB6000-memory.dmp

Filesize
728KB

Download
memory/4568-9-0x0000000002710000-0x00000000027B8000-memory.dmp

Filesize
672KB

Download