Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
26/09/2024, 02:27
Behavioral task
behavioral1
Sample
cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c.exe
Resource
win7-20240903-en
6 signatures
150 seconds
General
- Target cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c.exe
- Size 3.1MB
- Sample240926-cxtnjsvfmf
- SHA256 cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c
- MD5 8f506393a862fad55cbd6a1944371da3
- SHA1 5db44f4e2fc49a4d0fec122260e1df241fc4d771
- SHA512 ab0b30b541b76f7cd7d1c45c36afaf62e2bdf56e8e79395962a949afee51286a31dec41a7c8b517a0fde22a3db94bf7ddcd6489a4cedbd3180d2d1c7fec958d8
- SSDEEP 49152:av8t62XlaSFNWPjljiFa2RoUYILCV1JqLoGdmTHHB72eh2NT:avA62XlaSFNWPjljiFXRoUYILC2
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
139.180.202.227:4782
Mutex
-
21087dd4-f975-42b4-aaed-1288cf69a83d
Attributes
-
encryption_key
5E7B3DAD01476EEFDD0F3D1A82FA21FC75588D22
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Sigma
-
subdirectory
SubDir
Signatures
- Quasar payload 1 IoCs
resource yara_rule behavioral2/memory/4040-1-0x0000000000BF0000-0x0000000000F14000-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 4040 cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4040 cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c.exe - Suspicious use of SendNotifyMessage 1 IoCs
pid Process 4040 cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c.exe"C:\Users\Admin\AppData\Local\Temp\cdca93bf140f21e38f2cc678ab01f9aea22d368e1e7ccb33e09f47fb01bed21c.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4040