7c58dff060dc7c42fa7124e27d2ee7ce8398c2e832e42f50416ee93c170f20b8

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:02

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General

Target

7509d9427bf753cf9dafa87adb64c8df.exe
Size

52KB
MD5

7509d9427bf753cf9dafa87adb64c8df
SHA1

ad35734b8f42c3a5e32b907eda5f276ad78339a1
SHA256

7c58dff060dc7c42fa7124e27d2ee7ce8398c2e832e42f50416ee93c170f20b8
SHA512

b0e3cb21527d0f8a89ecee9875efdaf54c09a3de7cd5896c8366f56d01d1a9b331848ac1614c6611197933bd988c053c6b85f8859a057c5777da70b06f9d47e0
SSDEEP

768:qwRndq137gQOCEEL9Lj2Pi08do+cC6O1Kpdd48mSkj1++QN6tT7QD+1fA:qXglioi0AdNvgDZmJj19QNgHM

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

Processes:

7509d9427bf753cf9dafa87adb64c8df.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	7509d9427bf753cf9dafa87adb64c8df.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\braviax = "C:\\Windows\\system32\\braviax.exe"	7509d9427bf753cf9dafa87adb64c8df.exe

Drops file in System32 directory 1 IoCs

Processes:

7509d9427bf753cf9dafa87adb64c8df.exe

description ioc process

File created C:\Windows\SysWOW64\braviax.exe 7509d9427bf753cf9dafa87adb64c8df.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\SysWOW64\braviax.exe	7509d9427bf753cf9dafa87adb64c8df.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7509d9427bf753cf9dafa87adb64c8df.exe

description	pid	process	target process
PID 2440 wrote to memory of 2484	2440	7509d9427bf753cf9dafa87adb64c8df.exe	cmd.exe
PID 2440 wrote to memory of 2484	2440	7509d9427bf753cf9dafa87adb64c8df.exe	cmd.exe
PID 2440 wrote to memory of 2484	2440	7509d9427bf753cf9dafa87adb64c8df.exe	cmd.exe
PID 2440 wrote to memory of 2484	2440	7509d9427bf753cf9dafa87adb64c8df.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\7509d9427bf753cf9dafa87adb64c8df.exe
"C:\Users\Admin\AppData\Local\Temp\7509d9427bf753cf9dafa87adb64c8df.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2440

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\delself.bat" "
2⤵
PID:2484

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
202B

MD5
594797a294b4fd617d614eb99ff8493e

SHA1
c804d7e1eaca1fae08290214a6398b7cfa10d311

SHA256
890ea2a7e0da05c2504d9de0cbaaa9f6f4738ceec1b625a5af414f90e1adf848

SHA512
1fbfce5498b259b4267eab5d119fbcb55d1c5764b4bdc71dfd13733ef52ad34ac9266177014e475c3f083a5e4c0c3c62ddc96f36515a7020ffdb41becb2bbd61

Download Submit
memory/2440-2-0x00000000001B0000-0x00000000001BD000-memory.dmp

Filesize
52KB

Download
memory/2440-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads