602b715f93cd6d1ec0a4367cc85e36f724c9ccfbf7b8d9986b669939dcd876ec

Analysis

max time kernel
10s
max time network
15s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 11:58

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General

Target

vcredist.exe
Size

1.7MB
MD5

f977c0e54e63f4cfbfbfca0c2f4c2423
SHA1

22c6d8e5df3d823487b63849223b19e5f81ae1f3
SHA256

602b715f93cd6d1ec0a4367cc85e36f724c9ccfbf7b8d9986b669939dcd876ec
SHA512

a5ddbe2f7a4ee1b740f5cdb5dfc2658ae13e428a7abdb2ed04ca765a84ba38bd258666d523cc8e046ba0c13a36cebdf41a9f367e5e053d93ad0f1e0a24fe0d4e
SSDEEP

24576:1ZdDmXAwFiuiV0lv03K7GffGRg85b8xiz2LiS48e2qQn652MuOlEE:1ZdGFiRo0lffGRg8V8xiyLioe2Rrr

Score

8^/10

discovery

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
3236	vc_redist.x64.exe
1392	vc_redist.x64.exe

Loads dropped DLL 1 IoCs

pid	Process
1392	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 6 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 3236	3436	vcredist.exe	91
PID 3436 wrote to memory of 3236	3436	vcredist.exe	91
PID 3436 wrote to memory of 3236	3436	vcredist.exe	91
PID 3236 wrote to memory of 1392	3236	vc_redist.x64.exe	95
PID 3236 wrote to memory of 1392	3236	vc_redist.x64.exe	95
PID 3236 wrote to memory of 1392	3236	vc_redist.x64.exe	95

C:\Users\Admin\AppData\Local\Temp\vcredist.exe
"C:\Users\Admin\AppData\Local\Temp\vcredist.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe
  "C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3236
- - C:\Windows\Temp\{EF1046E9-6EE1-44C7-BFDD-051D52D3CB9E}\.cr\vc_redist.x64.exe
    "C:\Windows\Temp\{EF1046E9-6EE1-44C7-BFDD-051D52D3CB9E}\.cr\vc_redist.x64.exe" -burn.clean.room="C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe" -burn.filehandle.attached=528 -burn.filehandle.self=536
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:1392

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:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe

Filesize
24.2MB

MD5
077f0abdc2a3881d5c6c774af821f787

SHA1
c483f66c48ba83e99c764d957729789317b09c6b

SHA256
917c37d816488545b70affd77d6e486e4dd27e2ece63f6bbaaf486b178b2b888

SHA512
70a888d5891efd2a48d33c22f35e9178bd113032162dc5a170e7c56f2d592e3c59a08904b9f1b54450c80f8863bda746e431b396e4c1624b91ff15dd701bd939

Download Submit
C:\Users\Admin\AppData\Local\Temp\vc_redist.x64.exe

Filesize
24.2MB

MD5
077f0abdc2a3881d5c6c774af821f787

SHA1
c483f66c48ba83e99c764d957729789317b09c6b

SHA256
917c37d816488545b70affd77d6e486e4dd27e2ece63f6bbaaf486b178b2b888

SHA512
70a888d5891efd2a48d33c22f35e9178bd113032162dc5a170e7c56f2d592e3c59a08904b9f1b54450c80f8863bda746e431b396e4c1624b91ff15dd701bd939

Download Submit
C:\Windows\Temp\{45DB9DED-5FC2-4AFB-AF2F-94DEC18EA3F7}\.ba\logo.png

Filesize
1KB

MD5
d6bd210f227442b3362493d046cea233

SHA1
ff286ac8370fc655aea0ef35e9cf0bfcb6d698de

SHA256
335a256d4779ec5dcf283d007fb56fd8211bbcaf47dcd70fe60ded6a112744ef

SHA512
464aaab9e08de610ad34b97d4076e92dc04c2cdc6669f60bfc50f0f9ce5d71c31b8943bd84cee1a04fb9ab5bbed3442bd41d9cb21a0dd170ea97c463e1ce2b5b

Download Submit
C:\Windows\Temp\{45DB9DED-5FC2-4AFB-AF2F-94DEC18EA3F7}\.ba\wixstdba.dll

Filesize
191KB

MD5
eab9caf4277829abdf6223ec1efa0edd

SHA1
74862ecf349a9bedd32699f2a7a4e00b4727543d

SHA256
a4efbdb2ce55788ffe92a244cb775efd475526ef5b61ad78de2bcdfaddac7041

SHA512
45b15ade68e0a90ea7300aeb6dca9bc9e347a63dba5ce72a635957564d1bdf0b1584a5e34191916498850fc7b3b7ecfbcbfcb246b39dbf59d47f66bc825c6fd2

Download Submit
C:\Windows\Temp\{EF1046E9-6EE1-44C7-BFDD-051D52D3CB9E}\.cr\vc_redist.x64.exe

Filesize
635KB

MD5
35e545dac78234e4040a99cbb53000ac

SHA1
ae674cc167601bd94e12d7ae190156e2c8913dc5

SHA256
9a6c005e1a71e11617f87ede695af32baac8a2056f11031941df18b23c4eeba6

SHA512
bd984c20f59674d1c54ca19785f54f937f89661014573c5966e5f196f776ae38f1fc9a7f3b68c5bc9bf0784adc5c381f8083f2aecdef620965aeda9ecba504f3

Download Submit
C:\Windows\Temp\{EF1046E9-6EE1-44C7-BFDD-051D52D3CB9E}\.cr\vc_redist.x64.exe

Filesize
635KB

MD5
35e545dac78234e4040a99cbb53000ac

SHA1
ae674cc167601bd94e12d7ae190156e2c8913dc5

SHA256
9a6c005e1a71e11617f87ede695af32baac8a2056f11031941df18b23c4eeba6

SHA512
bd984c20f59674d1c54ca19785f54f937f89661014573c5966e5f196f776ae38f1fc9a7f3b68c5bc9bf0784adc5c381f8083f2aecdef620965aeda9ecba504f3

Download Submit
memory/3436-3-0x00007FF7DD9D0000-0x00007FF7DDB95000-memory.dmp

Filesize
1.8MB

Download