5eb35313b56c46a5b9a57328aa26ca8e43731e39e3e1e6349c049343b7c585d6

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05-11-2024 03:00

241105-dhtwfatfjl 10

05-11-2024 02:00

05-11-2024 02:00

05-11-2024 01:20

05-11-2024 01:15

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-11-2024 01:15

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General

Target

BYJ6K_Built.exe
Size

7.4MB
MD5

4d2f1d31e197b58186468092adb4505d
SHA1

760cbb050f80760180e30b496498354aa3108505
SHA256

5eb35313b56c46a5b9a57328aa26ca8e43731e39e3e1e6349c049343b7c585d6
SHA512

b600776f4b6abc5c47ee62e4ca9259e91d2a1a1a7e1aa380db04bff62a251eb7ad5e168c1d1aab6be8f80d54724ef7d89fa0bb3dee57f4e7f68f66cd791e6bdf
SSDEEP

98304:W6Si8TRhhurErvz81LpWjjUa50ZtPvYRt2e4GFNGjfzfbIbApJo4EwKhOh112mJw:W9/urErvI9pWjgfPvzm6gsFEF4f4

Score

7^/10

upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2768	BYJ6K_Built.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0005000000018745-21.dat	upx

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2768	1448	BYJ6K_Built.exe	30
PID 1448 wrote to memory of 2768	1448	BYJ6K_Built.exe	30
PID 1448 wrote to memory of 2768	1448	BYJ6K_Built.exe	30

C:\Users\Admin\AppData\Local\Temp\BYJ6K_Built.exe
"C:\Users\Admin\AppData\Local\Temp\BYJ6K_Built.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\BYJ6K_Built.exe
  "C:\Users\Admin\AppData\Local\Temp\BYJ6K_Built.exe"
  2⤵
  - Loads dropped DLL
  PID:2768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI14482\python311.dll

Filesize
1.6MB

MD5
ccdbd8027f165575a66245f8e9d140de

SHA1
d91786422ce1f1ad35c528d1c4cd28b753a81550

SHA256
503cd34daed4f6d320731b368bbd940dbac1ff7003321a47d81d81d199cca971

SHA512
870b54e4468db682b669887aeef1ffe496f3f69b219bda2405ac502d2dcd67b6542db6190ea6774abf1db5a7db429ce8f6d2fc5e88363569f15cf4df78da2311

Download Submit
memory/2768-23-0x000007FEF5560000-0x000007FEF5B52000-memory.dmp

Filesize
5.9MB

Download