Analysis
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max time kernel
155s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30-12-2023 01:28
Static task
static1
Behavioral task
behavioral1
Sample
0a0c91cee9cc9c7d2f17aef3f6abe798.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
0a0c91cee9cc9c7d2f17aef3f6abe798.exe
Resource
win10v2004-20231215-en
General
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Target
0a0c91cee9cc9c7d2f17aef3f6abe798.exe
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Size
44KB
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MD5
0a0c91cee9cc9c7d2f17aef3f6abe798
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SHA1
3bd9be2b5d11ba43fd5637c04eb882bcf146fcfd
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SHA256
301c9b16a7310bb7c9c8d310a3c8c73e78f057162fd4924df9f7b9d8b897faa4
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SHA512
bd6dc78d5fd0092bf81a44640ec6915c207c9e33eb231b6ea7c2850c09435d9f08ae8aa46156b9de0fe46b866da5386ca8fdb22ca7149269d88d0fb70cc7ff04
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SSDEEP
768:OsJqbK2BlJ9Lz9EOQcnlXt0lZ8uDVbrf3OfV+c8Eb2MqyYQbeR:OsJqbxZz9EOQcnQZf//CV+clSM0Mk
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe wincit32.rom,SOeRun" 0a0c91cee9cc9c7d2f17aef3f6abe798.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\wincit32.rom 0a0c91cee9cc9c7d2f17aef3f6abe798.exe File opened for modification C:\Windows\SysWOW64\wincit32.rom 0a0c91cee9cc9c7d2f17aef3f6abe798.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3098417026" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3099667591" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079324" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079324" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3017791377" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410759663" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DF35EE17-A78F-11EE-B6AD-7672481B3261} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079324" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3017323050" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079324" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079324" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079324" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3017791377" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DF3850DA-A78F-11EE-B6AD-7672481B3261} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3017635504" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2396 iexplore.exe 5088 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 2396 iexplore.exe 2396 iexplore.exe 5088 iexplore.exe 5088 iexplore.exe 3288 IEXPLORE.EXE 3288 IEXPLORE.EXE 3736 IEXPLORE.EXE 3736 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 4428 wrote to memory of 4868 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 92 PID 4428 wrote to memory of 4868 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 92 PID 4428 wrote to memory of 4868 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 92 PID 4428 wrote to memory of 2964 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 96 PID 4428 wrote to memory of 2964 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 96 PID 4428 wrote to memory of 2964 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 96 PID 2964 wrote to memory of 5088 2964 cmd.exe 98 PID 4868 wrote to memory of 2396 4868 cmd.exe 99 PID 4868 wrote to memory of 2396 4868 cmd.exe 99 PID 2964 wrote to memory of 5088 2964 cmd.exe 98 PID 5088 wrote to memory of 3736 5088 iexplore.exe 101 PID 5088 wrote to memory of 3736 5088 iexplore.exe 101 PID 2396 wrote to memory of 3288 2396 iexplore.exe 102 PID 5088 wrote to memory of 3736 5088 iexplore.exe 101 PID 2396 wrote to memory of 3288 2396 iexplore.exe 102 PID 2396 wrote to memory of 3288 2396 iexplore.exe 102 PID 4428 wrote to memory of 5088 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 98 PID 4428 wrote to memory of 5088 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 98 PID 4428 wrote to memory of 4252 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 103 PID 4428 wrote to memory of 4252 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 103 PID 4428 wrote to memory of 4252 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 103 PID 4428 wrote to memory of 4316 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 104 PID 4428 wrote to memory of 4316 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 104 PID 4428 wrote to memory of 4316 4428 0a0c91cee9cc9c7d2f17aef3f6abe798.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\0a0c91cee9cc9c7d2f17aef3f6abe798.exe"C:\Users\Admin\AppData\Local\Temp\0a0c91cee9cc9c7d2f17aef3f6abe798.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Windows\SysWOW64\cmd.execmd /c start iexplore -embedding2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4868 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -embedding3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2396 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3288
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C:\Windows\SysWOW64\cmd.execmd /c start iexplore -embedding2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -embedding3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5088 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3736
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\gosC544.bat"2⤵PID:4252
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\0a0c91cee9cc9c7d2f17aef3f6abe798.bat"2⤵PID:4316
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DF35EE17-A78F-11EE-B6AD-7672481B3261}.dat
Filesize5KB
MD59fb7e200f6a350b84ea24a229032dd6e
SHA18b4a83bf215aed0c1210c41d9daf295c8d2258d2
SHA25693add4cae0d0c0e6796fc3fee7cc44d4338b25a4644230fec6e3ff6d513ee007
SHA51260ea869664e598e1277a9c30dab06c5b7319437400d3acb51f8ca8eecdc782e2234fdcc7df67e98c179caa54f90a01f19a310d2be29782c836ed085ed81d7540
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{DF3850DA-A78F-11EE-B6AD-7672481B3261}.dat
Filesize4KB
MD5b481b030a992b60c4a75ae34466787e7
SHA14e1504351ea318f4a5f8dc76ce1a18ab3cca1b51
SHA25626c5f31f2b57cf4b1b8471a842195f9ccfadcab8554b39e7ef45a152c460a56d
SHA512cd7581afcf0e884dfe3203607be4a457769a772b54066fa66881d3da92b59efe67ae07a56eaf5694d21c215c3f051630e8345b5943fb18220ec440e7743e33da
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
263B
MD5ff04bcd2a70d7c9ce795a3f0cfaa402e
SHA13d18873178c0b400c2ad422320917c2d2913f6d4
SHA256c68eb25266b5ad19d35d2319d6f512bad177e75c080d87c2d283da36a64b8a86
SHA5120bf3e01e68521bbe1da47646bc57aec1605919c17c1e24d2988dbac0865d73c93cf82391ccc7af89737372066702031cb5f46dc4f5e09d3d3d420168d6378f2a
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Filesize
188B
MD50b4895ce6d45ff77760d1a59c3729600
SHA1501d063ea30c7a7fc04b3bae0e989bc0fd39e962
SHA25663849afd1196c4a322083a4ad9da2be8349a3e9afefda2cb2b632ed6aa74e1e8
SHA512dcfb28c4618c5d2a6dab6cdad1942c2521669d91883c1534209dc715d09551322442b6883c8f0e2a0109d4c4b49b1e7232b63ae7fc0ecaa3a9afbc2709753b18
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Filesize
32KB
MD5aab86d70689c799ad35ee783bec146ae
SHA108e3221f0df46ea80056d49f85726aa36361a33a
SHA2563db9a6e49c312bcb32ee9b201a656c951ea7f4730fc9169b457df9a348de4b30
SHA512dfcc270bdc8ca4ea9133f6ef85ea0692b4f4241d61743ec368e314d6559deb8f91dcf882528cf6c9b082ee5e662621188168a431ed4789283b276937bd35d49a