5f8386775e403adaa5f52e9e36003269a1d4e8cbf11bb2a4fc396728ac74a526

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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
1576	sxe47AA.tmp

Loads dropped DLL 2 IoCs

pid	Process
4612	3f79a494bf65e4627d087242e3a59f82.exe
4612	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"	sxe47AA.tmp

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\winmedia.exe	sxe47AA.tmp
File opened for modification	C:\Windows\SysWOW64\winmedia.exe	sxe47AA.tmp

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1576	sxe47AA.tmp

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 1576	4612	3f79a494bf65e4627d087242e3a59f82.exe	89
PID 4612 wrote to memory of 1576	4612	3f79a494bf65e4627d087242e3a59f82.exe	89
PID 4612 wrote to memory of 1576	4612	3f79a494bf65e4627d087242e3a59f82.exe	89

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:4612
- C:\Users\Admin\AppData\Local\Temp\sxe47AA.tmp
  "C:\Users\Admin\AppData\Local\Temp\sxe47AA.tmp"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1576

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

C:\Users\Admin\AppData\Local\Temp\sxe4798.tmp

Filesize
15KB

MD5
bd815b61f9948f93aface4033fbb4423

SHA1
b5391484009b39053fc8b1bba63d444969bafcfa

SHA256
b018bf9e9f8b6d945e6a2a25984970634884afabc580af2b4e855730520d5d76

SHA512
a363abe97b5a44e5d36af859e8d484daffe1d8e321c87969a75d1bfaa4288a5e6be1922a02c6d72937c84e81a79a1c7f6c9f2a44a995cac3f993ed5608afcd71

Download Submit
C:\Users\Admin\AppData\Local\Temp\sxe47AA.tmp

Filesize
1.0MB

MD5
387e2eb68052006c10e971bef5cb6a98

SHA1
e85eab33895e12fcbc89fd6307652f3f33db4369

SHA256
0e5e06a77430438d9f21a68303e26c676ff58211124963ba7b5acfea8db9445a

SHA512
fbc3f2be09db4c0946f60c61c7e3747eb499bfa08ea16e3a1265e3760f95335d5870c56a198a71eb798aca06106a8880f47e51ffcf57d7308295825fe82681fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\sxe47AA.tmp

Filesize
1024KB

MD5
dc7a2d64ef36bf8dca4fc49b4295a656

SHA1
e8215e8e131f43e7ebcf61fcdaa0f8939708c36c

SHA256
9367362a6791f2676c334cd7a4101c097bf96f96714edfdbf95ece4e95854303

SHA512
354e8930308832843f2915a2750c5e6db199a4b8ec1ff6ab8086bb3cd95f65ad1dd0e7b488c9f80b71905446f4413cb4829441076f54cf196404ecc3e6645bba

Download Submit
memory/1576-14-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/1576-16-0x0000000000400000-0x0000000000802000-memory.dmp

Filesize
4.0MB

Download
memory/1576-18-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/1576-19-0x0000000000400000-0x0000000000802000-memory.dmp

Filesize
4.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads