54590d644de03dc43f008e49fcadb73d7482ec7e590e628981b87375aff3a526

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 12:34

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General

Target

45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe
Size

41KB
MD5

45d5534682aeb775864521a1a21a278c
SHA1

26cce1b00b010b9d93dad0a4b9ecf1dafa49b108
SHA256

54590d644de03dc43f008e49fcadb73d7482ec7e590e628981b87375aff3a526
SHA512

c5074765b64070bc1736d55b12778a8585ef99a85d5dd80dbb8dd85f036c1b7a24869fb060f84b86c3407eb4078d070a8abc86e4126ab339abf3728fe7649731
SSDEEP

768:3RoW9cI/ZAqDTolzBtiBaq0I8fYoNVhWIPumVbc7ZGME:1yIGqwllId4YoN/W3mVI7ZzE

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\brastk = "C:\\Windows\\system32\\brastk.exe"	45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\brastk = "C:\\Windows\\system32\\brastk.exe"	45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\brastk.exe	45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2464	2596	45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe	31
PID 2596 wrote to memory of 2464	2596	45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe	31
PID 2596 wrote to memory of 2464	2596	45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe	31
PID 2596 wrote to memory of 2464	2596	45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\45d5534682aeb775864521a1a21a278c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
  2⤵
  PID:2464

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\delself.bat

Filesize
230B

MD5
cd82e0887e1005bc841a1f331b12377e

SHA1
182eca593499b4bc05f9b413fc88f94955bcea64

SHA256
7c08732b9c9d1b75d509c5b182c27d6e293554659494d6c87a1aec0848ca3ef3

SHA512
5d3af50177d2329ebc3a477409a99021ac93095bc75fb48cd0e6bd9c31a833e880694ced87d6603ad06829b8b0edcd4aeb6bee2575d1b9321814f22857171ede

Download Submit
memory/2596-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2596-3-0x0000000000402000-0x000000000040F000-memory.dmp

Filesize
52KB

Download
memory/2596-4-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads