Analysis
-
max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 20:45
Static task
static1
Behavioral task
behavioral1
Sample
3c33abbb7ff481fd3a6efe471e7d2c8a.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
3c33abbb7ff481fd3a6efe471e7d2c8a.exe
Resource
win10v2004-20231215-en
General
-
Target
3c33abbb7ff481fd3a6efe471e7d2c8a.exe
-
Size
464KB
-
MD5
3c33abbb7ff481fd3a6efe471e7d2c8a
-
SHA1
0a81e260c00d5c9659944fdec9dd1f28812d5a45
-
SHA256
bd2176cfa442e2c73b671e386b5b350368b3cdec656a7d0c63ae9cbd4ec7d91e
-
SHA512
bc26286bef80b976642725b9631f7a9d965687ce97b9f2f674be71c8fd82dcdf72e0a1c3bd6b6064bafb92d16562b95d124328944d84f14bc9cb8bee64fdf6a1
-
SSDEEP
6144:+x6iVRLGDZLdHbTLvSAuYC27NkoTD/Eyf/To1ysI5uw7+WJz6lyqp3U+iyPmyQCx:8F6v73qbL2vnTowJ6Vh+yPQVrfcFT
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation 3c33abbb7ff481fd3a6efe471e7d2c8a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000056c0f093da428f4099809f3dbcc1bfee00000000020000000000106600000001000020000000e517570e0114fd5fa5cdee34a8bbc05f81b1eb79f0399c6d918146efce89deab000000000e800000000200002000000063ffc78c119d3a674c83eec38cc6da296cd1fced206ade87025f3115dd51db86200000009fa412732fae971b18dccf15faea5c760d4c68115982f40a4ca132fab880c0ef4000000054d99144ad042f094cde535bed16a7728c7e127d948f222897951aec84f09a8e10611e6b54277bfad09fe00b42f2a8b865df97fd2e9a2bc6277e7e9cc6a25d07 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078996" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2114088668" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078996" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2099870121" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2114088668" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A7A43168-A647-11EE-9BE3-DE9D3A49EF0E} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2100025986" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410618698" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 40f0ff7d543ada01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078996" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000056c0f093da428f4099809f3dbcc1bfee000000000200000000001066000000010000200000005e7cc64d911fac1542a088822833e365fe8e42b3b91265170d73ba4fcf1e053b000000000e8000000002000020000000f2aeab29df54966673cc00a0042765130dc57d22e6d22d7489c7f42939941ac020000000e1a6953461f5895e46b71291f0e34daad0d162e9801886edbc41bf5596396c324000000021884c11cf77a9b6854337e1bf35ad15cb1147603800912393fd43318662c62edf225d0b2eafaebee88ee6d31065e3d3cb16a6f867db8c29c969922d0df49f43 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078996" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 50432285543ada01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3516 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3516 iexplore.exe 3516 iexplore.exe 3036 IEXPLORE.EXE 3036 IEXPLORE.EXE 3036 IEXPLORE.EXE 3036 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2904 wrote to memory of 3516 2904 3c33abbb7ff481fd3a6efe471e7d2c8a.exe 91 PID 2904 wrote to memory of 3516 2904 3c33abbb7ff481fd3a6efe471e7d2c8a.exe 91 PID 3516 wrote to memory of 3036 3516 iexplore.exe 92 PID 3516 wrote to memory of 3036 3516 iexplore.exe 92 PID 3516 wrote to memory of 3036 3516 iexplore.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\3c33abbb7ff481fd3a6efe471e7d2c8a.exe"C:\Users\Admin\AppData\Local\Temp\3c33abbb7ff481fd3a6efe471e7d2c8a.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://www.cbsupermarket.com/health & fitness/medicine/cancer-prostate-survived-book.htm2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3516 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3516 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3036
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee