b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7

Analysis

max time kernel
96s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 02:04

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General

Target

b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe
Size

583KB
MD5

0d151447331600f38dbba659c3d9d6c1
SHA1

d465b138755e5c55599f08740ded83db679bf3fb
SHA256

b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7
SHA512

16bff006281b0e34a588f56a36355098797f71a153a4d2c8cc0ae01454292463cdacc07614b09fcb369202dad441977d0ea7bb809401d628ce564f2da1ae7f6d
SSDEEP

12288:SplrVbDdQaqdS/ofraFErH8uB2Wm0SXser5FU:exRQ+Fucuvm0as

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4672	upgraded..exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3984-0-0x0000000000400000-0x0000000000575000-memory.dmp	upx
behavioral2/files/0x000700000002345d-3.dat	upx
behavioral2/memory/3984-5-0x0000000000400000-0x0000000000575000-memory.dmp	upx
behavioral2/memory/4672-6-0x0000000000400000-0x0000000000575000-memory.dmp	upx
behavioral2/memory/4672-7-0x0000000000400000-0x0000000000575000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\MessageBox\upgraded..exe	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	upgraded..exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3984	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe
3984	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe
3984	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe
3984	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe
4672	upgraded..exe
4672	upgraded..exe
4672	upgraded..exe
4672	upgraded..exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 4672	3984	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe	85
PID 3984 wrote to memory of 4672	3984	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe	85
PID 3984 wrote to memory of 4672	3984	b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe	85

C:\Users\Admin\AppData\Local\Temp\b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe
"C:\Users\Admin\AppData\Local\Temp\b0f31dc6d56cce6f1324e1a8d41495d1f0945f4eeac880d4bff94706ca3316f7.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Program Files\MessageBox\upgraded..exe
  "C:\Program Files\MessageBox\upgraded..exe" "33201"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files\MessageBox\upgraded..exe

Filesize
583KB

MD5
ef2795a63cfbdc32eb72286b35f92d0f

SHA1
cd03f9b4a75e562c782f27f19c43720ce9608664

SHA256
135768dd72350b4cb6077c5d56505ad261ebfa642302bc1a9d44d623c06d5405

SHA512
f608811175b973eb5fb10eb147178d82149237912406166f778ecb33eb4d335cb6077dd40d91f84195b29b968a4c428ba7c9e51ecb7b0ea3b58a66415cd36ed2

Download Submit
memory/3984-0-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/3984-5-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/4672-6-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download
memory/4672-7-0x0000000000400000-0x0000000000575000-memory.dmp

Filesize
1.5MB

Download