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
300s -
max time network
299s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
02-06-2024 06:20
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
win7-20240221-en
Behavioral task
behavioral4
Sample
uni/Uni - Copy (3).exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral5
Sample
uni/Uni - Copy (4).exe
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
uni/Uni - Copy (4).exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral7
Sample
uni/Uni - Copy (5).exe
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
uni/Uni - Copy (5).exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral9
Sample
uni/Uni - Copy (6).exe
Resource
win7-20231129-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.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
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encryption_key
Lme7VBS3l58VwLM69PNM
-
install_name
Client.exe
-
log_directory
Logs
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reconnect_delay
3000
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startup_key
SeroXen
-
subdirectory
SubDir
Signatures
-
Quasar payload 3 IoCs
Processes:
resource yara_rule behavioral11/memory/3016-1-0x0000000000B70000-0x0000000000BDC000-memory.dmp family_quasar \Users\Admin\AppData\Roaming\SubDir\Client.exe family_quasar behavioral11/memory/2884-10-0x00000000008F0000-0x000000000095C000-memory.dmp family_quasar -
Executes dropped EXE 2 IoCs
Processes:
Client.exeQvOsp2zTq0rU.exepid process 2884 Client.exe 2500 QvOsp2zTq0rU.exe -
Loads dropped DLL 2 IoCs
Processes:
Uni - Copy.exeClient.exepid process 3016 Uni - Copy.exe 2884 Client.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 ip-api.com -
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeSCHTASKS.exepid process 2628 schtasks.exe 3040 schtasks.exe 2440 SCHTASKS.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Uni - Copy.exeClient.exeAUDIODG.EXEdescription pid process Token: SeDebugPrivilege 3016 Uni - Copy.exe Token: SeDebugPrivilege 2884 Client.exe Token: 33 2436 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2436 AUDIODG.EXE Token: 33 2436 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2436 AUDIODG.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
Client.exeQvOsp2zTq0rU.exepid process 2884 Client.exe 2500 QvOsp2zTq0rU.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
Uni - Copy.exeClient.exedescription pid process target process PID 3016 wrote to memory of 2628 3016 Uni - Copy.exe schtasks.exe PID 3016 wrote to memory of 2628 3016 Uni - Copy.exe schtasks.exe PID 3016 wrote to memory of 2628 3016 Uni - Copy.exe schtasks.exe PID 3016 wrote to memory of 2628 3016 Uni - Copy.exe schtasks.exe PID 3016 wrote to memory of 2884 3016 Uni - Copy.exe Client.exe PID 3016 wrote to memory of 2884 3016 Uni - Copy.exe Client.exe PID 3016 wrote to memory of 2884 3016 Uni - Copy.exe Client.exe PID 3016 wrote to memory of 2884 3016 Uni - Copy.exe Client.exe PID 3016 wrote to memory of 2884 3016 Uni - Copy.exe Client.exe PID 3016 wrote to memory of 2884 3016 Uni - Copy.exe Client.exe PID 3016 wrote to memory of 2884 3016 Uni - Copy.exe Client.exe PID 2884 wrote to memory of 3040 2884 Client.exe schtasks.exe PID 2884 wrote to memory of 3040 2884 Client.exe schtasks.exe PID 2884 wrote to memory of 3040 2884 Client.exe schtasks.exe PID 2884 wrote to memory of 3040 2884 Client.exe schtasks.exe PID 3016 wrote to memory of 2440 3016 Uni - Copy.exe SCHTASKS.exe PID 3016 wrote to memory of 2440 3016 Uni - Copy.exe SCHTASKS.exe PID 3016 wrote to memory of 2440 3016 Uni - Copy.exe SCHTASKS.exe PID 3016 wrote to memory of 2440 3016 Uni - Copy.exe SCHTASKS.exe PID 2884 wrote to memory of 2500 2884 Client.exe QvOsp2zTq0rU.exe PID 2884 wrote to memory of 2500 2884 Client.exe QvOsp2zTq0rU.exe PID 2884 wrote to memory of 2500 2884 Client.exe QvOsp2zTq0rU.exe PID 2884 wrote to memory of 2500 2884 Client.exe QvOsp2zTq0rU.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy.exe"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy.exe"1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy.exe" /rl HIGHEST /f2⤵
- Creates scheduled task(s)
PID:2628 -
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:2884 -
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:3040 -
C:\Users\Admin\AppData\Local\Temp\QvOsp2zTq0rU.exe"C:\Users\Admin\AppData\Local\Temp\QvOsp2zTq0rU.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2500 -
C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77Uni - Copy.exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy.exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
PID:2440
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4701⤵
- Suspicious use of AdjustPrivilegeToken
PID:2436
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}1⤵PID:2956
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\QvOsp2zTq0rU.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/2884-10-0x00000000008F0000-0x000000000095C000-memory.dmpFilesize
432KB
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memory/2884-11-0x0000000074260000-0x000000007494E000-memory.dmpFilesize
6.9MB
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memory/2884-12-0x0000000074260000-0x000000007494E000-memory.dmpFilesize
6.9MB
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memory/2884-15-0x0000000074260000-0x000000007494E000-memory.dmpFilesize
6.9MB
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memory/3016-0-0x000000007426E000-0x000000007426F000-memory.dmpFilesize
4KB
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memory/3016-1-0x0000000000B70000-0x0000000000BDC000-memory.dmpFilesize
432KB
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memory/3016-2-0x0000000074260000-0x000000007494E000-memory.dmpFilesize
6.9MB
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memory/3016-14-0x0000000074260000-0x000000007494E000-memory.dmpFilesize
6.9MB