5f8386775e403adaa5f52e9e36003269a1d4e8cbf11bb2a4fc396728ac74a526

Analysis

max time kernel
141s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 22:16

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General

Target

3f79a494bf65e4627d087242e3a59f82.exe
Size

673KB
MD5

3f79a494bf65e4627d087242e3a59f82
SHA1

9635e071f8271f28591d19961ff8e386f5397eb9
SHA256

5f8386775e403adaa5f52e9e36003269a1d4e8cbf11bb2a4fc396728ac74a526
SHA512

8db4e4b486d90493db7c0942a3ccb3592f7cd56ae8fd0b78791b2a1c5963eeedf29fc458f3de13d4f7e0dbb0527751225f27569df02f97519c9d4a4a15e8a4c9
SSDEEP

12288:hDAtd5nBPtggVJOgIaQRs9sH36pmMI5FOcIfccGIFU49Z1swi1yUdPn7gJ2PUZ4:O/B/JZ/z9sX6gMEk33JRX1hib97gOX

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2232	sxe77FF.tmp

Loads dropped DLL 3 IoCs

pid	Process
1728	3f79a494bf65e4627d087242e3a59f82.exe
1728	3f79a494bf65e4627d087242e3a59f82.exe
1728	3f79a494bf65e4627d087242e3a59f82.exe

Adds Run key to start application 2 TTPs 1 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\Windows Media Player = "C:\\Windows\\system32\\winmedia.exe"	sxe77FF.tmp

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winmedia.exe	sxe77FF.tmp
File opened for modification	C:\Windows\SysWOW64\winmedia.exe	sxe77FF.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2232	sxe77FF.tmp

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2232	1728	3f79a494bf65e4627d087242e3a59f82.exe	28
PID 1728 wrote to memory of 2232	1728	3f79a494bf65e4627d087242e3a59f82.exe	28
PID 1728 wrote to memory of 2232	1728	3f79a494bf65e4627d087242e3a59f82.exe	28
PID 1728 wrote to memory of 2232	1728	3f79a494bf65e4627d087242e3a59f82.exe	28
PID 1728 wrote to memory of 2232	1728	3f79a494bf65e4627d087242e3a59f82.exe	28
PID 1728 wrote to memory of 2232	1728	3f79a494bf65e4627d087242e3a59f82.exe	28
PID 1728 wrote to memory of 2232	1728	3f79a494bf65e4627d087242e3a59f82.exe	28

C:\Users\Admin\AppData\Local\Temp\3f79a494bf65e4627d087242e3a59f82.exe
"C:\Users\Admin\AppData\Local\Temp\3f79a494bf65e4627d087242e3a59f82.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\sxe77FF.tmp
  "C:\Users\Admin\AppData\Local\Temp\sxe77FF.tmp"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2232

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\sxe77DE.tmp

Filesize
15KB

MD5
bd815b61f9948f93aface4033fbb4423

SHA1
b5391484009b39053fc8b1bba63d444969bafcfa

SHA256
b018bf9e9f8b6d945e6a2a25984970634884afabc580af2b4e855730520d5d76

SHA512
a363abe97b5a44e5d36af859e8d484daffe1d8e321c87969a75d1bfaa4288a5e6be1922a02c6d72937c84e81a79a1c7f6c9f2a44a995cac3f993ed5608afcd71

Download Submit
\Users\Admin\AppData\Local\Temp\sxe77FF.tmp

Filesize
4.0MB

MD5
e6a34fdce98096428100d97ce39f8a98

SHA1
ec192501fe72a3c1af5d5a76fda6235087642941

SHA256
7cc96695d0386a16759d4ff1c67892d99f91806e789b1e745cfdfe60759481de

SHA512
7ae7c4b5c0999320046b3eb7140a4f470f1fff6d55012e983f00d5976f1b67091b693bedaf50b888317e82eb092e91a6d1ffc16880ad8a90f7bbca512fb34bb1

Download Submit
memory/2232-17-0x0000000000400000-0x0000000000802000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads