Analysis
- max time kernel
145s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
01/01/2024, 00:14
General
- Target binggo.exe
- Size 3.1MB
- Sample240101-ajddasbbg4
- SHA256 fb9851c55cf1b38c16336e7bf2a27baf53f148b9349221c30a5964e0f9f4dfb9
- MD5 1c09500c2e27a71099d2cdc6a660144e
- SHA1 392df69940b87eec131bce600ed04ae0b22a556a
- SHA512 c3d1cea75668b249db1b57b2f3a715e8fa485654e60c88e482141395bc5fa6bad95765bf3603ab2410bc572735f7f652ff81c132dd51839152ba5670ad000bdb
- SSDEEP 49152:bvye821/aQWl8P0lSk3aKA3Z+n+/FkMMmpvJJIoGdLQ8THHB72eh2NT:bvJ821/aQWl8P0lSk3DA3Z+n0Gm+
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
quasar
Version
-
1.4.1
Botnet
-
Office04
C2
-
147.185.221.17:56251
-
how-additional.gl.at.ply.gg:56251
-
17.ip.gl.ply.gg:56258
Mutex
-
c181eaca-58fb-484b-ba93-7a421f1c73df
Attributes
-
encryption_key
FA61BB391485391FC63D1BCC330AC41C5A430E22
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
2000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
- Quasar payload 2 IoCs
resource yara_rule behavioral1/memory/4764-0-0x00000000002D0000-0x00000000005F4000-memory.dmp family_quasar behavioral1/files/0x000d000000023142-7.dat family_quasar - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation Client.exe - Executes dropped EXE 1 IoCs
pid Process 4048 Client.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1856 schtasks.exe 2644 schtasks.exe - Runs ping.exe 1 TTPs 1 IoCs
pid Process 3376 PING.EXE - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4764 binggo.exe Token: SeDebugPrivilege 4048 Client.exe - Suspicious use of FindShellTrayWindow 4 IoCs
pid Process 4048 Client.exe 4048 Client.exe 4048 Client.exe 4048 Client.exe - Suspicious use of SendNotifyMessage 4 IoCs
pid Process 4048 Client.exe 4048 Client.exe 4048 Client.exe 4048 Client.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4048 Client.exe - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 4764 wrote to memory of 1856 4764 binggo.exe 93 PID 4764 wrote to memory of 1856 4764 binggo.exe 93 PID 4764 wrote to memory of 4048 4764 binggo.exe 94 PID 4764 wrote to memory of 4048 4764 binggo.exe 94 PID 4048 wrote to memory of 2644 4048 Client.exe 96 PID 4048 wrote to memory of 2644 4048 Client.exe 96 PID 4048 wrote to memory of 4412 4048 Client.exe 111 PID 4048 wrote to memory of 4412 4048 Client.exe 111 PID 4048 wrote to memory of 3876 4048 Client.exe 115 PID 4048 wrote to memory of 3876 4048 Client.exe 115 PID 3876 wrote to memory of 4848 3876 cmd.exe 113 PID 3876 wrote to memory of 4848 3876 cmd.exe 113 PID 3876 wrote to memory of 3376 3876 cmd.exe 112 PID 3876 wrote to memory of 3376 3876 cmd.exe 112 - Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\binggo.exe"C:\Users\Admin\AppData\Local\Temp\binggo.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
PID:1856
-
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4048 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:2644
-
-
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /delete /tn "Quasar Client Startup" /f3⤵PID:4412
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\pmHbxgjSmzIj.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:3876
-
-
-
C:\Windows\system32\PING.EXEping -n 10 localhost1⤵
- Runs ping.exe
PID:3376
-
C:\Windows\system32\chcp.comchcp 650011⤵PID:4848
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
- Size 29KB
- SHA256 49976aed1bb99a26896040c6278427dd1f39e7f525989f7b2059552c92e3d4a0
- MD5 c214ecc5641207cfbe4029de8eca7af4
- SHA1 f82b6683681721c4f225a20a04a7afdddf4a2848
- SHA512 39880e62d3140df113a3500c41191ec6a5368daf92d3802f7457f18f66fafcbaa2c85d54f451703ef81655c0fd4ecb339ad4b8c357c8f7cc22f69b28bede50d0
- SSDEEP 384:4r0MTIFn/PN+C4WPD/AwvdE5Xh1f38Wmx1mzloZFyUzOKp+KS+JWMGN4KMECky:4r0M0l342URJMFQzlo70V+gMGN4KMEFy
- MD5 SHA1 SHA512 SSDEEP