e1af498f95432a4f2f666a8cbec7bd6ab9deb4d1695c6e7cde7acb9bd408e600

Analysis

max time kernel
359s
max time network
366s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 14:54

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General

Target

vdhcoapp-windows-x86_64-installer.exe
Size

39.6MB
MD5

d39f2bb352876d16d8661fedbf5f0252
SHA1

851490097f175670e8579337ff26aeb24ba7837e
SHA256

e1af498f95432a4f2f666a8cbec7bd6ab9deb4d1695c6e7cde7acb9bd408e600
SHA512

f0eb2d623f453dfef4b54731803a81829b884a4f5eebd6ac52c90ece0a0a35db436f1593d0518652f3e5a868b91debd385e46084305a66d3bb0cbb06591daeb4
SSDEEP

786432:LpOTaUwkPJWCHv9yUF+EuiBhfkV7IgGj4uXhmuTJJB6:LptUwC98nliLfkmlXhjTJO

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1740	vdhcoapp-windows-x86_64-installer.exe
1740	vdhcoapp-windows-x86_64-installer.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

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files\DownloadHelper CoApp\filepicker.exe	vdhcoapp-windows-x86_64-installer.exe
File created	C:\Program Files\DownloadHelper CoApp\google.json	vdhcoapp-windows-x86_64-installer.exe
File created	C:\Program Files\DownloadHelper CoApp\microsoft.json	vdhcoapp-windows-x86_64-installer.exe
File created	C:\Program Files\DownloadHelper CoApp\mozilla.json	vdhcoapp-windows-x86_64-installer.exe
File created	C:\Program Files\DownloadHelper CoApp\vdhcoapp.exe	vdhcoapp-windows-x86_64-installer.exe
File created	C:\Program Files\DownloadHelper CoApp\uninstall.exe	vdhcoapp-windows-x86_64-installer.exe
File created	C:\Program Files\DownloadHelper CoApp\ffmpeg.exe	vdhcoapp-windows-x86_64-installer.exe
File created	C:\Program Files\DownloadHelper CoApp\ffprobe.exe	vdhcoapp-windows-x86_64-installer.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\vdhcoapp-windows-x86_64-installer.exe
"C:\Users\Admin\AppData\Local\Temp\vdhcoapp-windows-x86_64-installer.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
PID:1740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsd3371.tmp\modern-wizard.bmp

Filesize
25KB

MD5
cbe40fd2b1ec96daedc65da172d90022

SHA1
366c216220aa4329dff6c485fd0e9b0f4f0a7944

SHA256
3ad2dc318056d0a2024af1804ea741146cfc18cc404649a44610cbf8b2056cf2

SHA512
62990cb16e37b6b4eff6ab03571c3a82dcaa21a1d393c3cb01d81f62287777fb0b4b27f8852b5fa71bc975feab5baa486d33f2c58660210e115de7e2bd34ea63

Download Submit
\Users\Admin\AppData\Local\Temp\nsd3371.tmp\System.dll

Filesize
12KB

MD5
4add245d4ba34b04f213409bfe504c07

SHA1
ef756d6581d70e87d58cc4982e3f4d18e0ea5b09

SHA256
9111099efe9d5c9b391dc132b2faf0a3851a760d4106d5368e30ac744eb42706

SHA512
1bd260cabe5ea3cefbbc675162f30092ab157893510f45a1b571489e03ebb2903c55f64f89812754d3fe03c8f10012b8078d1261a7e73ac1f87c82f714bce03d

Download Submit
\Users\Admin\AppData\Local\Temp\nsd3371.tmp\nsDialogs.dll

Filesize
9KB

MD5
1d8f01a83ddd259bc339902c1d33c8f1

SHA1
9f7806af462c94c39e2ec6cc9c7ad05c44eba04e

SHA256
4b7d17da290f41ebe244827cc295ce7e580da2f7e9f7cc3efc1abc6898e3c9ed

SHA512
28bf647374b4b500a0f3dbced70c2b256f93940e2b39160512e6e486ac31d1d90945acecef578f61b0a501f27c7106b6ffc3deab2ec3bfb3d9af24c9449a1567

Download Submit