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
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max time kernel
296s -
max time network
288s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02-06-2024 06:22
Behavioral task
behavioral1
Sample
uni/Uni - Copy (2).exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
uni/Uni - Copy (2).exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
uni/Uni - Copy (3).exe
Resource
win7-20240419-en
Behavioral task
behavioral4
Sample
uni/Uni - Copy (3).exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
uni/Uni - Copy (4).exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
uni/Uni - Copy (4).exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
uni/Uni - Copy (5).exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
uni/Uni - Copy (5).exe
Resource
win10v2004-20240508-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
win7-20231129-en
General
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Target
uni/Uni - Copy (6).exe
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Size
409KB
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MD5
b70fdac25a99501e3cae11f1b775249e
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SHA1
3c59226479bfdcd1b2927bcfb1a7516d4cb8dd71
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SHA256
51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
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SHA512
43f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44
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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
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encryption_key
Lme7VBS3l58VwLM69PNM
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
SeroXen
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subdirectory
SubDir
Signatures
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Processes:
schtasks.exepid process 2060 schtasks.exe 2 ip-api.com 6 api.ipify.org -
Quasar payload 3 IoCs
Processes:
resource yara_rule behavioral9/memory/2208-1-0x00000000000C0000-0x000000000012C000-memory.dmp family_quasar \Users\Admin\AppData\Roaming\SubDir\Client.exe family_quasar behavioral9/memory/2700-10-0x0000000000B60000-0x0000000000BCC000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
Processes:
Client.exe9SlT5UjnTYDn.exepid process 2700 Client.exe 1152 9SlT5UjnTYDn.exe -
Loads dropped DLL 2 IoCs
Processes:
Uni - Copy (6).exeClient.exepid process 2208 Uni - Copy (6).exe 2700 Client.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 api.ipify.org 2 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2060 schtasks.exe 2464 SCHTASKS.exe 1700 schtasks.exe 2172 SCHTASKS.exe -
Processes:
POWERPNT.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel POWERPNT.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" POWERPNT.EXE Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt POWERPNT.EXE Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote POWERPNT.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" POWERPNT.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" POWERPNT.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" POWERPNT.EXE Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar POWERPNT.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" POWERPNT.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
vlc.exePOWERPNT.EXEpid process 2504 vlc.exe 1816 POWERPNT.EXE -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
Processes:
vlc.exePOWERPNT.EXEpid process 2504 vlc.exe 1816 POWERPNT.EXE -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Uni - Copy (6).exeClient.exeAUDIODG.EXEdescription pid process Token: SeDebugPrivilege 2208 Uni - Copy (6).exe Token: SeDebugPrivilege 2700 Client.exe Token: 33 948 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 948 AUDIODG.EXE Token: 33 948 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 948 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 10 IoCs
Processes:
vlc.exepid process 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe -
Suspicious use of SendNotifyMessage 7 IoCs
Processes:
vlc.exepid process 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe 2504 vlc.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
Client.exe9SlT5UjnTYDn.exevlc.exePOWERPNT.EXEpid process 2700 Client.exe 1152 9SlT5UjnTYDn.exe 2504 vlc.exe 1816 POWERPNT.EXE -
Suspicious use of WriteProcessMemory 31 IoCs
Processes:
Uni - Copy (6).exeClient.exePOWERPNT.EXEdescription pid process target process PID 2208 wrote to memory of 2060 2208 Uni - Copy (6).exe schtasks.exe PID 2208 wrote to memory of 2060 2208 Uni - Copy (6).exe schtasks.exe PID 2208 wrote to memory of 2060 2208 Uni - Copy (6).exe schtasks.exe PID 2208 wrote to memory of 2060 2208 Uni - Copy (6).exe schtasks.exe PID 2208 wrote to memory of 2700 2208 Uni - Copy (6).exe Client.exe PID 2208 wrote to memory of 2700 2208 Uni - Copy (6).exe Client.exe PID 2208 wrote to memory of 2700 2208 Uni - Copy (6).exe Client.exe PID 2208 wrote to memory of 2700 2208 Uni - Copy (6).exe Client.exe PID 2208 wrote to memory of 2700 2208 Uni - Copy (6).exe Client.exe PID 2208 wrote to memory of 2700 2208 Uni - Copy (6).exe Client.exe PID 2208 wrote to memory of 2700 2208 Uni - Copy (6).exe Client.exe PID 2208 wrote to memory of 2464 2208 Uni - Copy (6).exe SCHTASKS.exe PID 2208 wrote to memory of 2464 2208 Uni - Copy (6).exe SCHTASKS.exe PID 2208 wrote to memory of 2464 2208 Uni - Copy (6).exe SCHTASKS.exe PID 2208 wrote to memory of 2464 2208 Uni - Copy (6).exe SCHTASKS.exe PID 2700 wrote to memory of 1700 2700 Client.exe schtasks.exe PID 2700 wrote to memory of 1700 2700 Client.exe schtasks.exe PID 2700 wrote to memory of 1700 2700 Client.exe schtasks.exe PID 2700 wrote to memory of 1700 2700 Client.exe schtasks.exe PID 2700 wrote to memory of 1152 2700 Client.exe 9SlT5UjnTYDn.exe PID 2700 wrote to memory of 1152 2700 Client.exe 9SlT5UjnTYDn.exe PID 2700 wrote to memory of 1152 2700 Client.exe 9SlT5UjnTYDn.exe PID 2700 wrote to memory of 1152 2700 Client.exe 9SlT5UjnTYDn.exe PID 1816 wrote to memory of 2384 1816 POWERPNT.EXE splwow64.exe PID 1816 wrote to memory of 2384 1816 POWERPNT.EXE splwow64.exe PID 1816 wrote to memory of 2384 1816 POWERPNT.EXE splwow64.exe PID 1816 wrote to memory of 2384 1816 POWERPNT.EXE splwow64.exe PID 2700 wrote to memory of 2172 2700 Client.exe SCHTASKS.exe PID 2700 wrote to memory of 2172 2700 Client.exe SCHTASKS.exe PID 2700 wrote to memory of 2172 2700 Client.exe SCHTASKS.exe PID 2700 wrote to memory of 2172 2700 Client.exe SCHTASKS.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (6).exe"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (6).exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (6).exe" /rl HIGHEST /f2⤵
- Quasar RAT
- Creates scheduled task(s)
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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
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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)
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C:\Users\Admin\AppData\Local\Temp\9SlT5UjnTYDn.exe"C:\Users\Admin\AppData\Local\Temp\9SlT5UjnTYDn.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
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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)
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C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77Uni - Copy (6).exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (6).exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0xc41⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}1⤵
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\MergeRevoke.mp3"1⤵
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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C:\Program Files\VideoLAN\VLC\vlc.exe"C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\Desktop\MergeRevoke.mp3"1⤵
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\GroupOut.sys1⤵
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\GroupOut.sys1⤵
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C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE"C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" "C:\Users\Admin\Desktop\StopApprove.pptm"1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\9SlT5UjnTYDn.exeFilesize
277KB
MD5dac0c5b2380cbdd93b46763427c9f8df
SHA1038089e1a0ac8375be797fc3ce7ae719abc72834
SHA256d02538788fb57f568ece292f5fc20e9775c86d504de67f57e22534f84adc73c6
SHA51205cc1f6bf25a6545a06c735ae7a4a7fc25489bdb9fbc8d5797be623982662c4a93cba2d20bfe14313ef1548eaaa691e55fabdd8e3d3e45de9ab42dc62f9a7023
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\Users\Admin\AppData\Roaming\SubDir\Client.exeFilesize
409KB
MD5b70fdac25a99501e3cae11f1b775249e
SHA13c59226479bfdcd1b2927bcfb1a7516d4cb8dd71
SHA25651ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
SHA51243f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44
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memory/2208-0-0x000000007490E000-0x000000007490F000-memory.dmpFilesize
4KB
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memory/2208-1-0x00000000000C0000-0x000000000012C000-memory.dmpFilesize
432KB
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memory/2208-2-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB
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memory/2208-13-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB
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memory/2432-29-0x000007FEF7B60000-0x000007FEF7B78000-memory.dmpFilesize
96KB
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memory/2432-27-0x000007FEF7520000-0x000007FEF7554000-memory.dmpFilesize
208KB
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memory/2432-26-0x000000013FAE0000-0x000000013FBD8000-memory.dmpFilesize
992KB
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memory/2432-28-0x000007FEF59C0000-0x000007FEF5C74000-memory.dmpFilesize
2.7MB
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memory/2432-30-0x000007FEF7130000-0x000007FEF7147000-memory.dmpFilesize
92KB
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memory/2432-31-0x000007FEF59A0000-0x000007FEF59B1000-memory.dmpFilesize
68KB
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memory/2504-66-0x000007FEF40A0000-0x000007FEF40CF000-memory.dmpFilesize
188KB
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memory/2504-59-0x000007FEF4220000-0x000007FEF4287000-memory.dmpFilesize
412KB
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memory/2504-43-0x000007FEF5980000-0x000007FEF5997000-memory.dmpFilesize
92KB
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memory/2504-46-0x000007FEF56F0000-0x000007FEF5701000-memory.dmpFilesize
68KB
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memory/2504-47-0x000007FEF53D0000-0x000007FEF55D0000-memory.dmpFilesize
2.0MB
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memory/2504-45-0x000007FEF5710000-0x000007FEF572D000-memory.dmpFilesize
116KB
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memory/2504-44-0x000007FEF5730000-0x000007FEF5741000-memory.dmpFilesize
68KB
-
memory/2504-39-0x000007FEF59C0000-0x000007FEF5C74000-memory.dmpFilesize
2.7MB
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memory/2504-42-0x000007FEF59A0000-0x000007FEF59B1000-memory.dmpFilesize
68KB
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memory/2504-68-0x000007FEF4060000-0x000007FEF4071000-memory.dmpFilesize
68KB
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memory/2504-67-0x000007FEF4080000-0x000007FEF4093000-memory.dmpFilesize
76KB
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memory/2504-48-0x000007FEF4320000-0x000007FEF53CB000-memory.dmpFilesize
16.7MB
-
memory/2504-37-0x000000013FAE0000-0x000000013FBD8000-memory.dmpFilesize
992KB
-
memory/2504-65-0x000007FEF40D0000-0x000007FEF4127000-memory.dmpFilesize
348KB
-
memory/2504-64-0x000007FEF4130000-0x000007FEF4141000-memory.dmpFilesize
68KB
-
memory/2504-63-0x000007FEF4150000-0x000007FEF4167000-memory.dmpFilesize
92KB
-
memory/2504-62-0x000007FEF4170000-0x000007FEF4181000-memory.dmpFilesize
68KB
-
memory/2504-61-0x000007FEF4190000-0x000007FEF41FF000-memory.dmpFilesize
444KB
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memory/2504-60-0x000007FEF4200000-0x000007FEF4217000-memory.dmpFilesize
92KB
-
memory/2504-38-0x000007FEF7520000-0x000007FEF7554000-memory.dmpFilesize
208KB
-
memory/2504-58-0x000007FEF4290000-0x000007FEF42C0000-memory.dmpFilesize
192KB
-
memory/2504-57-0x000007FEF42C0000-0x000007FEF42D8000-memory.dmpFilesize
96KB
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memory/2504-56-0x000007FEF42E0000-0x000007FEF42F1000-memory.dmpFilesize
68KB
-
memory/2504-55-0x000007FEF4300000-0x000007FEF431B000-memory.dmpFilesize
108KB
-
memory/2504-54-0x000007FEF5600000-0x000007FEF5611000-memory.dmpFilesize
68KB
-
memory/2504-53-0x000007FEF5620000-0x000007FEF5631000-memory.dmpFilesize
68KB
-
memory/2504-52-0x000007FEF5640000-0x000007FEF5651000-memory.dmpFilesize
68KB
-
memory/2504-51-0x000007FEF5660000-0x000007FEF5678000-memory.dmpFilesize
96KB
-
memory/2504-50-0x000007FEF5680000-0x000007FEF56A1000-memory.dmpFilesize
132KB
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memory/2504-49-0x000007FEF56B0000-0x000007FEF56EF000-memory.dmpFilesize
252KB
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memory/2504-41-0x000007FEF7130000-0x000007FEF7147000-memory.dmpFilesize
92KB
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memory/2504-40-0x000007FEF7B60000-0x000007FEF7B78000-memory.dmpFilesize
96KB
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memory/2700-12-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB
-
memory/2700-10-0x0000000000B60000-0x0000000000BCC000-memory.dmpFilesize
432KB
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memory/2700-11-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB
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memory/2700-15-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB
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memory/2700-16-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB
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memory/2700-233-0x0000000074900000-0x0000000074FEE000-memory.dmpFilesize
6.9MB