cd4f6b784e998bb2d3a466a4c5c851338d640ac3fe12e2dac5bcffd23cae665d

Analysis

max time kernel
1s
max time network
134s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 08:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

12e2e3896b34c59c90b436e3245d80ff.exe
Size

42KB
MD5

12e2e3896b34c59c90b436e3245d80ff
SHA1

764b2be5323ef6f66cf2614d4a6f50a2f0a85691
SHA256

cd4f6b784e998bb2d3a466a4c5c851338d640ac3fe12e2dac5bcffd23cae665d
SHA512

e85c69ebd8b00e717e46aa66cc5a24bb0e0a21df05414e44b4abc054dbc8e0df769541afb80a5b05ef59a7745e672b90bcfe329fdcb99b7e6b946f3a84458dce
SSDEEP

768:cHwPmlu0S9A/e8xCJr3SEr8xo1pKDElDhIUfWK2LKZ2NxCXCJGD34SXeeP:c6mIh9AW8xCoQ8xMYDElDai2NYyehtP

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"	12e2e3896b34c59c90b436e3245d80ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	12e2e3896b34c59c90b436e3245d80ff.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\braviax.exe	12e2e3896b34c59c90b436e3245d80ff.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 2172 wrote to memory of 824	2172	12e2e3896b34c59c90b436e3245d80ff.exe	16
PID 2172 wrote to memory of 824	2172	12e2e3896b34c59c90b436e3245d80ff.exe	16
PID 2172 wrote to memory of 824	2172	12e2e3896b34c59c90b436e3245d80ff.exe	16
PID 2172 wrote to memory of 824	2172	12e2e3896b34c59c90b436e3245d80ff.exe	16

C:\Users\Admin\AppData\Local\Temp\12e2e3896b34c59c90b436e3245d80ff.exe
"C:\Users\Admin\AppData\Local\Temp\12e2e3896b34c59c90b436e3245d80ff.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
  2⤵
  PID:824

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2172-1-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2172-5-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2172-2-0x00000000001B0000-0x00000000001BA000-memory.dmp

Filesize
40KB

Download
memory/2172-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads