b8efa8d1ada1cc82111e3623571fb53ddf709977c9c4c4773aeea323f4134676

Analysis

max time kernel
146s
max time network
154s
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, 07:24

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General

Target

f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
Size

355KB
MD5

f091715f041f72497b23d1f9d66e643f
SHA1

54d4981feda40d38e730e0afa56160ab0d1809d7
SHA256

b8efa8d1ada1cc82111e3623571fb53ddf709977c9c4c4773aeea323f4134676
SHA512

fa179c24e2b6bd49374a28561424e2176a1e87317bbf10e723458791383454b773ec60586632b143d5169a14d1cb62f2bdfefe2db8478841e76e7e69945ecae0
SSDEEP

6144:03EmWPDNND9yRPzLq+YXFqaZiMLic9kzVd7EAC4TSs9EiS:/mWhND9yJz+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
2648	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\e0363cb4 = "B‹á‚g?1–>’)Ô\x06‘]\x18%²Eéí‡\x06\|ãN°wF•`f«ÎmUmé¬\u00adnyáuÿm\x1cÇÛÞé¥\x01¹5¹\u00adËNî“Ý\x05$Ñ”ù®ÿžÑ„qä£´aQ5½…³Y]{\x01_q\u009d\x1ce^m³V])YÉ&·\x0e\x1cÖ\u0081\|m{“\x1dçt×üííG\x13\x7fuFÃ´õ<\x15U´\x1d\x19…œŽ\x15Ì\x19\u008dÑyÙå»£!m¡\u0081\u009d\x033Å…¥M\x05—Iaeé‰f\tî!ñÇÉ””õÏÍ4\x19™£1ñI³\u008f\x1dl-Ã%iyU6>1Åc¦]\x11MÄ×ý\r[q\a³\x16_\x0f9-\rË¡A\x14\x13Œ_UFÓ]÷ü™\u009dÑTeÅ¡1Á\u00adU\rÇ\x1f¶\x0ek\u008f\x19\u0081%ý\x1d,«u.É\x15ŸM\rÝ]"	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\e0363cb4 = "B‹á‚g?1–>’)Ô\x06‘]\x18%²Eéí‡\x06\|ãN°wF•`f«ÎmUmé¬\u00adnyáuÿm\x1cÇÛÞé¥\x01¹5¹\u00adËNî“Ý\x05$Ñ”ù®ÿžÑ„qä£´aQ5½…³Y]{\x01_q\u009d\x1ce^m³V])YÉ&·\x0e\x1cÖ\u0081\|m{“\x1dçt×üííG\x13\x7fuFÃ´õ<\x15U´\x1d\x19…œŽ\x15Ì\x19\u008dÑyÙå»£!m¡\u0081\u009d\x033Å…¥M\x05—Iaeé‰f\tî!ñÇÉ””õÏÍ4\x19™£1ñI³\u008f\x1dl-Ã%iyU6>1Åc¦]\x11MÄ×ý\r[q\a³\x16_\x0f9-\rË¡A\x14\x13Œ_UFÓ]÷ü™\u009dÑTeÅ¡1Á\u00adU\rÇ\x1f¶\x0ek\u008f\x19\u0081%ý\x1d,«u.É\x15ŸM\rÝ]"	svchost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\apppatch\svchost.exe	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
File opened for modification	C:\Windows\apppatch\svchost.exe	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe
2648	svchost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 2648	228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe	84
PID 228 wrote to memory of 2648	228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe	84
PID 228 wrote to memory of 2648	228	f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f091715f041f72497b23d1f9d66e643f_JaffaCakes118.exe"
1⤵
- Modifies WinLogon
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:228
- C:\Windows\apppatch\svchost.exe
  "C:\Windows\apppatch\svchost.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Modifies WinLogon
  - Suspicious behavior: EnumeratesProcesses
  PID:2648

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\830E.tmp

Filesize
22KB

MD5
65d65d06231ebbc742378d2eb715e403

SHA1
701782e7fe3ce4f6049009679558be571d33d23b

SHA256
0dafc6491d0779edd55149322b508a0be5fb16217f15e764f0e2cc2820bd803b

SHA512
0f7dd58eb525437f595e3e4f0e0e8c565db2cab3815604cc3b80ae2d90dbb6ac6fdf732c10defee465a3a96b74fedc2658c22760309eefce7f37a1915dd26e6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\8F5B.tmp

Filesize
42KB

MD5
1b66f2caae2974046fbe430c5841f5cf

SHA1
095665890d30839792b8acf6db8e2a8fb8afdf85

SHA256
e521403abd37e9a2f949e166e24cdbb8c77fcf52b4bfee23a2f6502d455d546c

SHA512
13effa150d41d28d052f096dc5e994dd31eadc66a89368224221ed13813d777148d5f4c7c02b960c5eb8cb3977d06ac658b50d2ced7356443e4732c22e3ec1a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\D3A8.tmp

Filesize
593B

MD5
926512864979bc27cf187f1de3f57aff

SHA1
acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

SHA256
b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

SHA512
f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

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

Filesize
355KB

MD5
d96b5def8a2f5899a43910fe987985bf

SHA1
9e223298e9230ac9d226eeda6c6d5d810a687c36

SHA256
2b0a3d19637cccba6b6e8651e7af31537aeb8685d527b096882b5cb2da9eb74d

SHA512
69d76a2e7fd079a80438e897cadcf35fb1806510ec93b6c6aebc6b6800862de7f83b079a274226f4f0ae4da3cef07b405f3d52363b6e53eeaffd5250221d4166

Download Submit
memory/2648-21-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-43-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-17-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-18-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-19-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-20-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-15-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-23-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-24-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-45-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-26-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-27-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-29-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-32-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-34-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-33-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-38-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-39-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-16-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-42-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-22-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-50-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-51-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-60-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-62-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-64-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-13-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-66-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-68-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-70-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-74-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-71-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-78-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-79-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-80-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-10-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-308-0x0000000002B40000-0x0000000002BF6000-memory.dmp

Filesize
728KB

Download
memory/2648-9-0x0000000002720000-0x00000000027C8000-memory.dmp

Filesize
672KB

Download