Analysis
- max time kernel
119s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
11/07/2024, 04:20
Behavioral task
behavioral1
Sample
stub.exe
Resource
win7-20240708-en
6 signatures
150 seconds
General
- Target stub.exe
- Size 53.7MB
- Sample240711-ex53payenl
- SHA256 8393bd6d940551af47eaf07dd2b223622e422daaf4388aeaf34099fca736b2bf
- MD5 87801d59746d14ff084ebcc942c397a3
- SHA1 91e0230cd2d5c230965627775b2c165911b53ed3
- SHA512 cdcfbf568cdcb869d060e844137fb1e54a8ae30f51f23df3a47ccf76992f668cf1518ce74990a5fbf7d055fbd5f0fedb4c25b8d0a67087a998772aa541f92be9
- SSDEEP 1572864:N5q2Edpp1DAdFV+rkBg7DcO3ZOzsUsVHiphQMl+9MlxE0mhxAb:LgppGgP1IzsfVyQA+E3
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
147.185.221.20:9835
-
147.185.221.20:18563
Mutex
-
da84adab-a321-4164-9473-73ad56cb4ed3
Attributes
-
encryption_key
99DD896C463A5DEFC60E5185D43A6893ACB75CFB
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/1776-1-0x0000000000790000-0x0000000003D54000-memory.dmp family_quasar - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1776 stub.exe - Suspicious use of FindShellTrayWindow 8 IoCs
pid Process 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe - Suspicious use of SendNotifyMessage 8 IoCs
pid Process 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe 1776 stub.exe