Analysis
-
max time kernel
143s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-03-2024 16:28
Behavioral task
behavioral1
Sample
c10f539c437a9b5af875c9b28a4c20bf.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
c10f539c437a9b5af875c9b28a4c20bf.exe
Resource
win10v2004-20240226-en
General
-
Target
c10f539c437a9b5af875c9b28a4c20bf.exe
-
Size
155KB
-
MD5
c10f539c437a9b5af875c9b28a4c20bf
-
SHA1
da28325ce0ef2619609e46a2422ffe33160734a0
-
SHA256
3da8f63181b11ac73f97ee558c24a4746413c9feecfd5e94bbff57432c3ba388
-
SHA512
1af839964906244c363b05f8765c21fdf34325f598a3f6affe8fbeb6600c68b0722be45117a80dda86c8062e8b041f083aab10a9301dfc594544d2e81be6cfd4
-
SSDEEP
3072:tYcoxqopZbH+xJkdwapf8V36y8ixffP+pgwEbJr62l8ECZL:tYDxqkZL8JkqapflLiVfEh0xxCZ
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/1000-0-0x0000000000400000-0x0000000000487000-memory.dmp upx behavioral2/memory/1000-3-0x0000000000400000-0x0000000000487000-memory.dmp upx behavioral2/memory/1000-6-0x0000000000400000-0x0000000000487000-memory.dmp upx -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1000 set thread context of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1580718570" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1594624819" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{89CE4E81-DFC4-11EE-96FD-CE289885E65A} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "416939546" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093713" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1580718570" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31093713" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31093713" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 3684 c10f539c437a9b5af875c9b28a4c20bf.exe 3684 c10f539c437a9b5af875c9b28a4c20bf.exe 3684 c10f539c437a9b5af875c9b28a4c20bf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3684 c10f539c437a9b5af875c9b28a4c20bf.exe Token: SeDebugPrivilege 3436 IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2604 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 2604 IEXPLORE.EXE 2604 IEXPLORE.EXE 3436 IEXPLORE.EXE 3436 IEXPLORE.EXE 3436 IEXPLORE.EXE 3436 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 1000 wrote to memory of 3684 1000 c10f539c437a9b5af875c9b28a4c20bf.exe 100 PID 3684 wrote to memory of 3580 3684 c10f539c437a9b5af875c9b28a4c20bf.exe 101 PID 3684 wrote to memory of 3580 3684 c10f539c437a9b5af875c9b28a4c20bf.exe 101 PID 3684 wrote to memory of 3580 3684 c10f539c437a9b5af875c9b28a4c20bf.exe 101 PID 3580 wrote to memory of 2604 3580 iexplore.exe 102 PID 3580 wrote to memory of 2604 3580 iexplore.exe 102 PID 2604 wrote to memory of 3436 2604 IEXPLORE.EXE 103 PID 2604 wrote to memory of 3436 2604 IEXPLORE.EXE 103 PID 2604 wrote to memory of 3436 2604 IEXPLORE.EXE 103 PID 3684 wrote to memory of 3436 3684 c10f539c437a9b5af875c9b28a4c20bf.exe 103 PID 3684 wrote to memory of 3436 3684 c10f539c437a9b5af875c9b28a4c20bf.exe 103
Processes
-
C:\Users\Admin\AppData\Local\Temp\c10f539c437a9b5af875c9b28a4c20bf.exe"C:\Users\Admin\AppData\Local\Temp\c10f539c437a9b5af875c9b28a4c20bf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1000 -
C:\Users\Admin\AppData\Local\Temp\c10f539c437a9b5af875c9b28a4c20bf.exeC:\Users\Admin\AppData\Local\Temp\c10f539c437a9b5af875c9b28a4c20bf.exe2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:3580 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2604 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3436
-
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee