Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/11/2026, 01:14
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-11-05_4d4a6cf020c789015f7a670501d61a44_cobalt-strike_dosia_luca-stealer_quasar-rat.exe
Resource
win10v2004-20260911-en
5 signatures
150 seconds
General
- Target 2026-11-05_4d4a6cf020c789015f7a670501d61a44_cobalt-strike_dosia_luca-stealer_quasar-rat.exe
- Size 4.5MB
- Sample261107-bl3xeadf66
- SHA256 dfb0e668652fac49f86fe68ccdfd69810eebb3900361a671285c03c5d1280364
- MD5 4d4a6cf020c789015f7a670501d61a44
- SHA1 c850a61d633d41da9edca4bbd79562fee298ebf7
- SHA512 5b731c00b1e0d49787467bffd6ec8262262287969e531a927755edf39a6358986d206f30bddd560c2cfc99702410e8a2567742fa93754539ebc8e9a136fb550e
- SSDEEP 98304:mJ/QNLNChxk1EnGpqUeSMBk7ig9nzGqk/UxrstHgCRn:meNLNek1VpqUesOYiqfxrstHvR
- TLSH T18E26F047B89000FAD5AAD2348A665662BB717CA50F2117D33B10B7F82F73BE85E39354
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
vshell
C2
-
43.255.157.92
Attributes
-
port
443
-
salt
asdf123adf
-
type
tcp
-
vkey
asdf123adf
Signatures
- Detects VSHELL Backdoor 1 IoCs
resource yara_rule behavioral2/memory/3288-0-0x0000000067700000-0x0000000067ED4000-memory.dmp family_vshell - Reads the TCP/IP host and domain name from the registry 1 TTPs 1 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname 2026-11-05_4d4a6cf020c789015f7a670501d61a44_cobalt-strike_dosia_luca-stealer_quasar-rat.exe - Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 3288 2026-11-05_4d4a6cf020c789015f7a670501d61a44_cobalt-strike_dosia_luca-stealer_quasar-rat.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3288 2026-11-05_4d4a6cf020c789015f7a670501d61a44_cobalt-strike_dosia_luca-stealer_quasar-rat.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-05_4d4a6cf020c789015f7a670501d61a44_cobalt-strike_dosia_luca-stealer_quasar-rat.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-05_4d4a6cf020c789015f7a670501d61a44_cobalt-strike_dosia_luca-stealer_quasar-rat.exe"1⤵
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3288