b6c82087a2c443db859fdbeaae7f46244d06c3f2a7f71c35e50358066253de52

Analysis

max time kernel
598s
max time network
387s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
10/11/2026, 13:59

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General

Target
IdleOS/_Redist/vcredist_2015-2019_x64.exe
Size 14.3MB
Sample261110-ramdaaax2l
SHA256 b6c82087a2c443db859fdbeaae7f46244d06c3f2a7f71c35e50358066253de52
MD5 f0248d477e74687c5619ae16498b13d4
SHA1 9ed4b091148c9b53f66b3f2c69be7e60e74c486a
SHA512 0c373b06ffe84f3e803831e90f22d7d73304e47a47839db614f63399ff1b7fcf33153bf3d23998877c96d2a75e316291a219fdd12358ca48928526284b802591
SSDEEP 393216:q5lptVYmfr7yBG/4WoI+j6LTinXKSf0fzTDv8:q7pttD7yBG/uljIinXj0fQ
TLSH
T1AFE63332A598402BDBF20473EA94F9242E3DD119735589BBE2DCDD0E1F7818217FBA16
MD5 SHA1 SHA512 SSDEEP TLSH

Score

4^/10

discovery

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Executes dropped EXE 1 IoCs

pid	Process
2488	vcredist_2015-2019_x64.exe

Loads dropped DLL 1 IoCs

pid	Process
2488	vcredist_2015-2019_x64.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	vcredist_2015-2019_x64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vcredist_2015-2019_x64.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2488	2992	vcredist_2015-2019_x64.exe	84

C:\Users\Admin\AppData\Local\Temp\IdleOS\_Redist\vcredist_2015-2019_x64.exe
"C:\Users\Admin\AppData\Local\Temp\IdleOS\_Redist\vcredist_2015-2019_x64.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Windows\Temp\{8D1C0A7B-916A-4B41-8A6B-83CD8ADF8BEA}\.cr\vcredist_2015-2019_x64.exe
  "C:\Windows\Temp\{8D1C0A7B-916A-4B41-8A6B-83CD8ADF8BEA}\.cr\vcredist_2015-2019_x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\IdleOS\_Redist\vcredist_2015-2019_x64.exe" -burn.filehandle.attached=536 -burn.filehandle.self=532
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2488

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

vcredist_2015-2019_x64.exe

Path C:\Windows\Temp\{8D1C0A7B-916A-4B41-8A6B-83CD8ADF8BEA}\.cr\vcredist_2015-2019_x64.exe
Size 632KB
SHA256 82c3e3423e48bafcdd726624eb7fd3e00674e50e4b6acdcac408fe8fae43b022
MD5 843288fd72a1152b50b4e4b7344bb592
SHA1 648416c53721a85666abaf71c6682fcc1da70b48
SHA512 04b61bb0a6e748ab78b1037db68bc9ec1745bb3efaca0b8fb6d99e01abbe08a67168cbf3f714b72daf00da26084ec6f6f707c3cd08fa8243023e6924719a4e41
SSDEEP 12288:SnMwHskY7gjcjhVIEhqgM7bWvcsi6aVj7Iy41wXK4Qzh+jMlWCEht:cMysZgjS1hqgSC/izvf0wiz0wyt
TLSH
T1FCD49E3291614036E6F206B3B958E2307E3CD2186714C9AEE3E8ED5D7EA848177F7257
MD5 SHA1 SHA512 SSDEEP TLSH

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logo.png

Path C:\Windows\Temp\{A836C261-FBC5-4F51-89F1-73EEFCFB4B80}\.ba\logo.png
Size 1KB
SHA256 335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef
MD5 d6bd210f227442b3362493d046cea233
SHA1 ff286ac8370fc655aea0ef35e9cf0bfcb6d698de
SHA512 464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b
TLSH
T1CF312CF34748B7A7D30581351471819AD242FFD8F9CE291E35CD5307664018115C75CF
MD5 SHA1 SHA512 TLSH

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wixstdba.dll

Path C:\Windows\Temp\{A836C261-FBC5-4F51-89F1-73EEFCFB4B80}\.ba\wixstdba.dll
Size 191KB
SHA256 a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041
MD5 eab9caf4277829abdf6223ec1efa0edd
SHA1 74862ecf349a9bedd32699f2a7a4e00b4727543d
SHA512 45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2
SSDEEP 3072:OXoiFK6b0k77I+QfaIl191rSJHvlalB+8BHkY6v53EfcUzN0m6I+WxBlnKzeZuqt:OXoQNb++gDrSJdr8BHkPh3wIgnK/IU1a
TLSH
T103149E11B5D0907AE7FB1A385938B5216D7FBA201B60C99E17589D6F2DF02C0AF35B23
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads