4dc4020a0708eb28727ee2a20046ca409bcb3375c6904c693e112bbc523907ad

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
11-07-2024 10:35

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General

Target

38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe
Size

51KB
MD5

38c382c8d8669b80b8bf8b64e3952789
SHA1

2419de26e98a4b73fad949fb2273f45d8c11b9a5
SHA256

4dc4020a0708eb28727ee2a20046ca409bcb3375c6904c693e112bbc523907ad
SHA512

cd52df09a3e95564a13e3c205e970944566fdc01055af96b887d50a97104cf3d00adeedf27e55dcb57a6f4058dd2ab412624d93e9e67cba9f4357631f49fce99
SSDEEP

1536:65VPovmvdJGHj9rOLxkOrXWhE+HFh8Cb:S9TvT8QqOrXO3N

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\braviax.exe	38c382c8d8669b80b8bf8b64e3952789_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 3012 wrote to memory of 1752	3012	38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe	30
PID 3012 wrote to memory of 1752	3012	38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe	30
PID 3012 wrote to memory of 1752	3012	38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe	30
PID 3012 wrote to memory of 1752	3012	38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\38c382c8d8669b80b8bf8b64e3952789_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
  2⤵
  PID:1752

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
b3f58304ac4471c716c6ea332b375692

SHA1
93c671a8b89b5a0fcc3202b53e835c2c9fbb9850

SHA256
7a28493014904ead15c9ba936fb248ff4e983312ca7f2b7950ad26fa8744c15f

SHA512
4d1889e082df1892a328f81ff270380b98ce041d6a33b36e2a98de212d9e16e314015670740be6b62210eff2ef0271b54bfe241502ff219ccc089b29e320bdba

Download Submit
memory/3012-2-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/3012-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads