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
288s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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
-
Target
uni/Uni - Copy (2).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 3244 schtasks.exe 11 ip-api.com 28 api.ipify.org -
Quasar payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/5040-1-0x0000000000B10000-0x0000000000B7C000-memory.dmp family_quasar C:\Users\Admin\AppData\Roaming\SubDir\Client.exe family_quasar -
Executes dropped EXE 2 IoCs
Processes:
Client.exeS8GzGVlnyThS.exepid process 4468 Client.exe 3164 S8GzGVlnyThS.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 11 ip-api.com 28 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 3244 schtasks.exe 2520 SCHTASKS.exe 3276 schtasks.exe 744 SCHTASKS.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3388639591" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3388646175" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "424074527" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31110325" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31110325" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31110325" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31110325" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3386353967" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3386389487" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{F54F0F7E-20A8-11EF-BCA5-FE55E2F65CCF} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Uni - Copy (2).exeClient.exeAUDIODG.EXEdescription pid process Token: SeDebugPrivilege 5040 Uni - Copy (2).exe Token: SeDebugPrivilege 4468 Client.exe Token: 33 4248 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4248 AUDIODG.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 244 iexplore.exe -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
Client.exeS8GzGVlnyThS.exeiexplore.exeIEXPLORE.EXEpid process 4468 Client.exe 3164 S8GzGVlnyThS.exe 244 iexplore.exe 244 iexplore.exe 1780 IEXPLORE.EXE 1780 IEXPLORE.EXE 1780 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
Uni - Copy (2).exeClient.exeiexplore.exedescription pid process target process PID 5040 wrote to memory of 3244 5040 Uni - Copy (2).exe schtasks.exe PID 5040 wrote to memory of 3244 5040 Uni - Copy (2).exe schtasks.exe PID 5040 wrote to memory of 3244 5040 Uni - Copy (2).exe schtasks.exe PID 5040 wrote to memory of 4468 5040 Uni - Copy (2).exe Client.exe PID 5040 wrote to memory of 4468 5040 Uni - Copy (2).exe Client.exe PID 5040 wrote to memory of 4468 5040 Uni - Copy (2).exe Client.exe PID 5040 wrote to memory of 2520 5040 Uni - Copy (2).exe SCHTASKS.exe PID 5040 wrote to memory of 2520 5040 Uni - Copy (2).exe SCHTASKS.exe PID 5040 wrote to memory of 2520 5040 Uni - Copy (2).exe SCHTASKS.exe PID 4468 wrote to memory of 3276 4468 Client.exe schtasks.exe PID 4468 wrote to memory of 3276 4468 Client.exe schtasks.exe PID 4468 wrote to memory of 3276 4468 Client.exe schtasks.exe PID 4468 wrote to memory of 3164 4468 Client.exe S8GzGVlnyThS.exe PID 4468 wrote to memory of 3164 4468 Client.exe S8GzGVlnyThS.exe PID 4468 wrote to memory of 3164 4468 Client.exe S8GzGVlnyThS.exe PID 244 wrote to memory of 1780 244 iexplore.exe IEXPLORE.EXE PID 244 wrote to memory of 1780 244 iexplore.exe IEXPLORE.EXE PID 244 wrote to memory of 1780 244 iexplore.exe IEXPLORE.EXE PID 4468 wrote to memory of 744 4468 Client.exe SCHTASKS.exe PID 4468 wrote to memory of 744 4468 Client.exe SCHTASKS.exe PID 4468 wrote to memory of 744 4468 Client.exe SCHTASKS.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (2).exe"C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (2).exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "SeroXen" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (2).exe" /rl HIGHEST /f2⤵
- Quasar RAT
- Creates scheduled task(s)
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
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)
-
C:\Users\Admin\AppData\Local\Temp\S8GzGVlnyThS.exe"C:\Users\Admin\AppData\Local\Temp\S8GzGVlnyThS.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
-
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)
-
C:\Windows\SysWOW64\SCHTASKS.exe"SCHTASKS.exe" /create /tn "$77Uni - Copy (2).exe" /tr "'C:\Users\Admin\AppData\Local\Temp\uni\Uni - Copy (2).exe'" /sc onlogon /rl HIGHEST2⤵
- Creates scheduled task(s)
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x304 0x4e81⤵
- Suspicious use of AdjustPrivilegeToken
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -nohome1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:244 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
471B
MD554929d49151f3d1deb92d4882fd7f29b
SHA174fb1bea4c7ba9b9c69aacab601ad211cc80e12d
SHA25639e5885ca8868a5612268f987e7007fb20526221c11af4e62426bbab4fdc2141
SHA5123900823e9765f7cde1d6148c9d9de8079805d30f421728cf675e1c1264440be1a037394edc9c1e0a4497d2658d7897784a96062b6eb1b829ee1245fadb83087d
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776Filesize
404B
MD53990cfbfd768ae044cd62468bb5bc0e7
SHA125111d7639db8207999fd0b51805993eb2294fdf
SHA256ced11bf2b4da8cb4eeb68488fec7428c0e47273460329966e2b7814cd5ae79c9
SHA5127f88028d1eee29d09397ddb6689ecdd7e63ba2caf421e456aec196b3df8ca4167a4400001bf2013e83c8f56f7d0c5aea71853aa1d82961a458aec0c36449419b
-
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verECA3.tmpFilesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GOWSKSPC\suggestions[1].en-USFilesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
-
C:\Users\Admin\AppData\Local\Temp\S8GzGVlnyThS.exeFilesize
277KB
MD5dac0c5b2380cbdd93b46763427c9f8df
SHA1038089e1a0ac8375be797fc3ce7ae719abc72834
SHA256d02538788fb57f568ece292f5fc20e9775c86d504de67f57e22534f84adc73c6
SHA51205cc1f6bf25a6545a06c735ae7a4a7fc25489bdb9fbc8d5797be623982662c4a93cba2d20bfe14313ef1548eaaa691e55fabdd8e3d3e45de9ab42dc62f9a7023
-
C:\Users\Admin\AppData\Roaming\SubDir\Client.exeFilesize
409KB
MD5b70fdac25a99501e3cae11f1b775249e
SHA13c59226479bfdcd1b2927bcfb1a7516d4cb8dd71
SHA25651ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
SHA51243f0d5d6e5f0d5febba537c109ffdbc250bbb6e9725e635a43ec975b0353048eaeee50b6e9274cd5e072ea6b0cea32439bd37408b2528832f467f2075f74ca44
-
memory/4468-53-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4468-19-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4468-12-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4468-13-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4468-20-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/4468-16-0x0000000005F60000-0x0000000005F9C000-memory.dmpFilesize
240KB
-
memory/4468-18-0x0000000006660000-0x000000000666A000-memory.dmpFilesize
40KB
-
memory/5040-5-0x00000000055A0000-0x0000000005606000-memory.dmpFilesize
408KB
-
memory/5040-15-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/5040-6-0x0000000005AA0000-0x0000000005AB2000-memory.dmpFilesize
72KB
-
memory/5040-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmpFilesize
4KB
-
memory/5040-4-0x0000000074B20000-0x00000000752D0000-memory.dmpFilesize
7.7MB
-
memory/5040-3-0x0000000005640000-0x00000000056D2000-memory.dmpFilesize
584KB
-
memory/5040-2-0x0000000005AD0000-0x0000000006074000-memory.dmpFilesize
5.6MB
-
memory/5040-1-0x0000000000B10000-0x0000000000B7C000-memory.dmpFilesize
432KB