Overview
overview
10Static
static
10uni/Uni - ...2).exe
windows7-x64
10uni/Uni - ...2).exe
windows10-2004-x64
10uni/Uni - ...3).exe
windows7-x64
10uni/Uni - ...3).exe
windows10-2004-x64
10uni/Uni - ...4).exe
windows7-x64
10uni/Uni - ...4).exe
windows10-2004-x64
10uni/Uni - ...5).exe
windows7-x64
10uni/Uni - ...5).exe
windows10-2004-x64
10uni/Uni - ...6).exe
windows7-x64
10uni/Uni - ...6).exe
windows10-2004-x64
10uni/Uni - Copy.exe
windows7-x64
10uni/Uni - Copy.exe
windows10-2004-x64
10Analysis
-
max time kernel
237s -
max time network
305s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02-06-2024 06:21
Behavioral task
behavioral1
Sample
uni/Uni - Copy (2).exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
uni/Uni - Copy (2).exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
uni/Uni - Copy (3).exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
uni/Uni - Copy (3).exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
uni/Uni - Copy (4).exe
Resource
win7-20231129-en
Behavioral task
behavioral6
Sample
uni/Uni - Copy (4).exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral7
Sample
uni/Uni - Copy (5).exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
uni/Uni - Copy (5).exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
uni/Uni - Copy (6).exe
Resource
win7-20240221-en
Behavioral task
behavioral10
Sample
uni/Uni - Copy (6).exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral11
Sample
uni/Uni - Copy.exe
Resource
win7-20240215-en
General
-
Target
uni/Uni - Copy (3).exe
-
Size
409KB
-
MD5
b70fdac25a99501e3cae11f1b775249e
-
SHA1
3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71
-
SHA256
51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
-
SHA512
43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44
-
SSDEEP
12288:gpbJjGut6AoE3hVVdFaC/eZPTMTDlpgfJCKuMsVs:oVaurMLcDlpRKai
Malware Config
Extracted
quasar
3.1.5
SeroXen
panel-slave.gl.at.ply.gg:57059
panel-slave.gl.at.ply.gg:27892
$Sxr-rpL8EItHN3pqIQQVy2
-
encryption_key
Lme7VBS3l58VwLM69PNM
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
SeroXen
-
subdirectory
SubDir
Signatures
-
Processes:
schtasks.exepid process 2004 schtasks.exe 2 ip-api.com 6 api.ipify.org 14 api.ipify.org -
Quasar payload 3 IoCs
Processes:
resource yara_rule behavioral3/memory/1340-1-0x0000000001280000-0x00000000012EC000-memory.dmp family_quasar \Users\Admin\AppData\Roaming\SubDir\Client.exe family_quasar behavioral3/memory/2448-10-0x0000000000C80000-0x0000000000CEC000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
Processes:
Client.exeJxWiULbjYw3F.exepid process 2448 Client.exe 1840 JxWiULbjYw3F.exe -
Loads dropped DLL 2 IoCs
Processes:
Uni - Copy (3).exeClient.exepid process 1340 Uni - Copy (3).exe 2448 Client.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 ip-api.com 6 api.ipify.org 14 api.ipify.org -
Creates scheduled task(s) 1 TTPs 4 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeSCHTASKS.exeschtasks.exeSCHTASKS.exepid process 2004 schtasks.exe 1336 SCHTASKS.exe 2760 schtasks.exe 1708 SCHTASKS.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
vlc.exepid process 2556 vlc.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
vlc.exepid process 2556 vlc.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Uni - Copy (3).exeClient.exeAUDIODG.EXEdescription pid process Token: SeDebugPrivilege 1340 Uni - Copy (3).exe Token: SeDebugPrivilege 2448 Client.exe Token: 33 1932 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1932 AUDIODG.EXE Token: 33 1932 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 1932 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
vlc.exepid process 2556 vlc.exe 2556 vlc.exe 2556 vlc.exe -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
vlc.exepid process 2556 vlc.exe 2556 vlc.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
Client.exeJxWiULbjYw3F.exevlc.exepid process 2448 Client.exe 1840 JxWiULbjYw3F.exe 2556 vlc.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
Uni - Copy (3).exeClient.exedescription pid process target process PID 1340 wrote to memory of 2004 1340 Uni - Copy (3).exe schtasks.exe PID 1340 wrote to memory of 2004 1340 Uni - Copy (3).exe schtasks.exe PID 1340 wrote to memory of 2004 1340 Uni - Copy (3).exe schtasks.exe PID 1340 wrote to memory of 2004 1340 Uni - Copy (3).exe schtasks.exe PID 1340 wrote to memory of 2448 1340 Uni - Copy (3).exe Client.exe PID 1340 wrote to memory of 2448 1340 Uni - Copy (3).exe Client.exe PID 1340 wrote to memory of 2448 1340 Uni - Copy (3).exe Client.exe PID 1340 wrote to memory of 2448 1340 Uni - Copy (3).exe Client.exe PID 1340 wrote to memory of 2448 1340 Uni - Copy (3).exe Client.exe PID 1340 wrote to memory of 2448 1340 Uni - Copy (3).exe Client.exe PID 1340 wrote to memory of 2448 1340 Uni - Copy (3).exe Client.exe PID 1340 wrote to memory of 1336 1340 Uni - Copy (3).exe SCHTASKS.exe PID 1340 wrote to memory of 1336 1340 Uni - Copy (3).exe SCHTASKS.exe PID 1340 wrote to memory of 1336 1340 Uni - Copy (3).exe SCHTASKS.exe PID 1340 wrote to memory of 1336 1340 Uni - Copy (3).exe SCHTASKS.exe PID 2448 wrote to memory of 2760 2448 Client.exe schtasks.exe PID 2448 wrote to memory of 2760 2448 Client.exe schtasks.exe PID 2448 wrote to memory of 2760 2448 Client.exe schtasks.exe PID 2448 wrote to memory of 2760 2448 Client.exe schtasks.exe PID 2448 wrote to memory of 1840 2448 Client.exe JxWiULbjYw3F.exe PID 2448 wrote to memory of 1840 2448 Client.exe JxWiULbjYw3F.exe PID 2448 wrote to memory of 1840 2448 Client.exe JxWiULbjYw3F.exe PID 2448 wrote to memory of 1840 2448 Client.exe JxWiULbjYw3F.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (3).exe"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (3).exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (3).exe" /rl HIGHEST /f2⤵
- Quasar RAT
- Creates scheduled task(s)
PID:2004 -
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:2760 -
C:\Users\Admin\AppData\Local\Temp\JxWiULbjYw3F.exe"C:\Users\Admin\AppData\Local\Temp\JxWiULbjYw3F.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:1840 -
C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77Client.exe" /tr "'C:\Users\Admin\AppData\Roaming\SubDir\Client.exe'" /sc onlogon /rl HIGHEST3⤵
- Creates scheduled task(s)
PID:1708 -
C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77Uni - Copy (3).exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (3).exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
PID:1336
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x5301⤵
- Suspicious use of AdjustPrivilegeToken
PID:1932
-
C:\Windows\System32\fontview.exe"C:\Windows\System32\fontview.exe" C:\Users\Admin\Desktop\UpdateEnter.otf1⤵PID:1752
-
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\PingPublish.mov"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2556
-
C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}1⤵PID:1508
-
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\CompressWrite.php1⤵PID:380
-
C:\Windows\System32\fontview.exe"C:\Windows\System32\fontview.exe" C:\Users\Admin\Desktop\UpdateEnter.otf1⤵PID:1700
-
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe"1⤵PID:1888
-
C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe"1⤵PID:1668
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\JxWiULbjYw3F.exeFilesize
277KB
MD5dac0c5b2380cbdd93b46763427c9f8df
SHA1038089e1a0ac8375be797fc3ce7ae719abc72834
SHA256d02538788fb57f568ece292f5fc20e9775c86d504de67f57e22534f84adc73c6
SHA51205cc1f6bf25a6545a06c735ae7a4a7fc25489bdb9fbc8d5797be623982662c4a93cba2d20bfe14313ef1548eaaa691e55fabdd8e3d3e45de9ab42dc62f9a7023
-
\Users\Admin\AppData\Roaming\SubDir\Client.exeFilesize
409KB
MD5b70fdac25a99501e3cae11f1b775249e
SHA13c59226479bfdcd1b2927bcfb1a7516d4cb8dd71
SHA25651ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
SHA51243f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44
-
memory/1340-14-0x00000000745E0000-0x0000000074CCE000-memory.dmpFilesize
6.9MB
-
memory/1340-1-0x0000000001280000-0x00000000012EC000-memory.dmpFilesize
432KB
-
memory/1340-2-0x00000000745E0000-0x0000000074CCE000-memory.dmpFilesize
6.9MB
-
memory/1340-12-0x00000000745EE000-0x00000000745EF000-memory.dmpFilesize
4KB
-
memory/1340-0-0x00000000745EE000-0x00000000745EF000-memory.dmpFilesize
4KB
-
memory/2448-11-0x00000000745E0000-0x0000000074CCE000-memory.dmpFilesize
6.9MB
-
memory/2448-13-0x00000000745E0000-0x0000000074CCE000-memory.dmpFilesize
6.9MB
-
memory/2448-16-0x00000000745E0000-0x0000000074CCE000-memory.dmpFilesize
6.9MB
-
memory/2448-17-0x00000000745E0000-0x0000000074CCE000-memory.dmpFilesize
6.9MB
-
memory/2448-10-0x0000000000C80000-0x0000000000CEC000-memory.dmpFilesize
432KB
-
memory/2448-231-0x00000000745E0000-0x0000000074CCE000-memory.dmpFilesize
6.9MB
-
memory/2556-41-0x000007FEF5A90000-0x000007FEF5AA1000-memory.dmpFilesize
68KB
-
memory/2556-39-0x000007FEF6510000-0x000007FEF6531000-memory.dmpFilesize
132KB
-
memory/2556-34-0x000007FEF6630000-0x000007FEF6641000-memory.dmpFilesize
68KB
-
memory/2556-36-0x000007FEF6580000-0x000007FEF6591000-memory.dmpFilesize
68KB
-
memory/2556-35-0x000007FEF65A0000-0x000007FEF65BD000-memory.dmpFilesize
116KB
-
memory/2556-33-0x000007FEF66A0000-0x000007FEF66B7000-memory.dmpFilesize
92KB
-
memory/2556-32-0x000007FEF69E0000-0x000007FEF69F1000-memory.dmpFilesize
68KB
-
memory/2556-31-0x000007FEF7F20000-0x000007FEF7F37000-memory.dmpFilesize
92KB
-
memory/2556-29-0x000007FEF5CB0000-0x000007FEF5F64000-memory.dmpFilesize
2.7MB
-
memory/2556-28-0x000007FEF67F0000-0x000007FEF6824000-memory.dmpFilesize
208KB
-
memory/2556-40-0x000007FEF64F0000-0x000007FEF6508000-memory.dmpFilesize
96KB
-
memory/2556-45-0x000007FEF5A10000-0x000007FEF5A21000-memory.dmpFilesize
68KB
-
memory/2556-47-0x000007FEF59C0000-0x000007FEF59F0000-memory.dmpFilesize
192KB
-
memory/2556-46-0x000007FEF59F0000-0x000007FEF5A08000-memory.dmpFilesize
96KB
-
memory/2556-44-0x000007FEF5A30000-0x000007FEF5A4B000-memory.dmpFilesize
108KB
-
memory/2556-43-0x000007FEF5A50000-0x000007FEF5A61000-memory.dmpFilesize
68KB
-
memory/2556-42-0x000007FEF5A70000-0x000007FEF5A81000-memory.dmpFilesize
68KB
-
memory/2556-30-0x000007FEF8020000-0x000007FEF8038000-memory.dmpFilesize
96KB
-
memory/2556-38-0x000007FEF6540000-0x000007FEF657F000-memory.dmpFilesize
252KB
-
memory/2556-37-0x000007FEF5AB0000-0x000007FEF5CB0000-memory.dmpFilesize
2.0MB
-
memory/2556-49-0x000007FEF48A0000-0x000007FEF4907000-memory.dmpFilesize
412KB
-
memory/2556-48-0x000007FEF4910000-0x000007FEF59BB000-memory.dmpFilesize
16.7MB
-
memory/2556-53-0x000007FEF4780000-0x000007FEF47A8000-memory.dmpFilesize
160KB
-
memory/2556-56-0x000007FEF4700000-0x000007FEF4723000-memory.dmpFilesize
140KB
-
memory/2556-59-0x000007FEF4690000-0x000007FEF46B1000-memory.dmpFilesize
132KB
-
memory/2556-60-0x000007FEF4670000-0x000007FEF4683000-memory.dmpFilesize
76KB
-
memory/2556-58-0x000007FEF46C0000-0x000007FEF46D2000-memory.dmpFilesize
72KB
-
memory/2556-57-0x000007FEF46E0000-0x000007FEF46F1000-memory.dmpFilesize
68KB
-
memory/2556-55-0x000007FEF4730000-0x000007FEF4747000-memory.dmpFilesize
92KB
-
memory/2556-54-0x000007FEF4750000-0x000007FEF4774000-memory.dmpFilesize
144KB
-
memory/2556-52-0x000007FEF47B0000-0x000007FEF4806000-memory.dmpFilesize
344KB
-
memory/2556-51-0x000007FEF4810000-0x000007FEF4821000-memory.dmpFilesize
68KB
-
memory/2556-50-0x000007FEF4830000-0x000007FEF489F000-memory.dmpFilesize
444KB
-
memory/2556-27-0x000000013F570000-0x000000013F668000-memory.dmpFilesize
992KB