b1707825c0f2fde7bfdbb5f4a4cef4002a935b2c9edfa93f512127f430cfbdd0

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240220-es
resource tags

arch:x64arch:x86image:win7-20240220-eslocale:es-esos:windows7-x64systemwindows
submitted
04/05/2024, 14:48

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General

Target

Packages/vc_redist.x64.exe
Size

14.3MB
MD5

f0248d477e74687c5619ae16498b13d4
SHA1

9ed4b091148c9b53f66b3f2c69be7e60e74c486a
SHA256

b6c82087a2c443db859fdbeaae7f46244d06c3f2a7f71c35e50358066253de52
SHA512

0c373b06ffe84f3e803831e90f22d7d73304e47a47839db614f63399ff1b7fcf33153bf3d23998877c96d2a75e316291a219fdd12358ca48928526284b802591
SSDEEP

393216:q5lptVYmfr7yBG/4WoI+j6LTinXKSf0fzTDv8:q7pttD7yBG/uljIinXj0fQ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2680	vc_redist.x64.exe

Loads dropped DLL 2 IoCs

pid	Process
3040	vc_redist.x64.exe
2680	vc_redist.x64.exe

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2680	3040	vc_redist.x64.exe	28
PID 3040 wrote to memory of 2680	3040	vc_redist.x64.exe	28
PID 3040 wrote to memory of 2680	3040	vc_redist.x64.exe	28
PID 3040 wrote to memory of 2680	3040	vc_redist.x64.exe	28
PID 3040 wrote to memory of 2680	3040	vc_redist.x64.exe	28
PID 3040 wrote to memory of 2680	3040	vc_redist.x64.exe	28
PID 3040 wrote to memory of 2680	3040	vc_redist.x64.exe	28

C:\Users\Admin\AppData\Local\Temp\Packages\vc_redist.x64.exe
"C:\Users\Admin\AppData\Local\Temp\Packages\vc_redist.x64.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\Temp\{BED57077-6098-4A6E-B4D8-FA61C8960CE8}\.cr\vc_redist.x64.exe
  "C:\Windows\Temp\{BED57077-6098-4A6E-B4D8-FA61C8960CE8}\.cr\vc_redist.x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\Packages\vc_redist.x64.exe" -burn.filehandle.attached=180 -burn.filehandle.self=188
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Temp\{5088DDF4-39FF-46FE-8315-4793C105C9B5}\.ba\logo.png

Filesize
1KB

MD5
d6bd210f227442b3362493d046cea233

SHA1
ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

SHA256
335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

SHA512
464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

Download Submit
\Windows\Temp\{5088DDF4-39FF-46FE-8315-4793C105C9B5}\.ba\wixstdba.dll

Filesize
191KB

MD5
eab9caf4277829abdf6223ec1efa0edd

SHA1
74862ecf349a9bedd32699f2a7a4e00b4727543d

SHA256
a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

SHA512
45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

Download Submit
\Windows\Temp\{BED57077-6098-4A6E-B4D8-FA61C8960CE8}\.cr\vc_redist.x64.exe

Filesize
632KB

MD5
843288fd72a1152b50b4e4b7344bb592

SHA1
648416c53721a85666abaf71c6682fcc1da70b48

SHA256
82c3e3423e48bafcdd726624eb7fd3e00674e50e4b6acdcac408fe8fae43b022

SHA512
04b61bb0a6e748ab78b1037db68bc9ec1745bb3efaca0b8fb6d99e01abbe08a67168cbf3f714b72daf00da26084ec6f6f707c3cd08fa8243023e6924719a4e41

Download Submit