Analysis
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max time kernel
145s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
03/02/2024, 17:39
Static task
static1
Behavioral task
behavioral1
Sample
8cf0dc24ea9dd825691d806b0bb4aad1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
8cf0dc24ea9dd825691d806b0bb4aad1.exe
Resource
win10v2004-20231215-en
General
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Target
8cf0dc24ea9dd825691d806b0bb4aad1.exe
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Size
246KB
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MD5
8cf0dc24ea9dd825691d806b0bb4aad1
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SHA1
4037d445593bbd61f0a5c11000591ec6e68d9959
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SHA256
7ebc7d9948ed063e496acde68d2314ea357aaf49b04ce20a2fdad03dcfabaf71
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SHA512
0571131f01fc5a7d20ad1e3cd3edc9b69b504c17c4efe15b0f51e8effdbf9f65dd8ef0ca09bd9ea0750a477ea6b9f568587d48a3e48f6e90ec776e7a3b272ceb
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SSDEEP
3072:j/na6WDmrZ5CnKlQf1kT3bQfxy36JfLRxSo2uVvCEbqyXbzkCndVBAQggZlIbB:j/nuDm9tOBe8FBXPkCGQggu
Malware Config
Signatures
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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-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation 8cf0dc24ea9dd825691d806b0bb4aad1.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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "213911669" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413746960" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "216098725" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "213911669" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086280" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086280" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{38567AF8-C2BB-11EE-9ECD-5EB4A22F4468} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\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 Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086280" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2224 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2224 iexplore.exe 2224 iexplore.exe 4444 IEXPLORE.EXE 4444 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2224 wrote to memory of 4444 2224 iexplore.exe 86 PID 2224 wrote to memory of 4444 2224 iexplore.exe 86 PID 2224 wrote to memory of 4444 2224 iexplore.exe 86 PID 3740 wrote to memory of 4228 3740 8cf0dc24ea9dd825691d806b0bb4aad1.exe 95 PID 3740 wrote to memory of 4228 3740 8cf0dc24ea9dd825691d806b0bb4aad1.exe 95 PID 3740 wrote to memory of 4228 3740 8cf0dc24ea9dd825691d806b0bb4aad1.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\8cf0dc24ea9dd825691d806b0bb4aad1.exe"C:\Users\Admin\AppData\Local\Temp\8cf0dc24ea9dd825691d806b0bb4aad1.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3740 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\delete.bat" "2⤵PID:4228
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C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding1⤵PID:980
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2224 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4444
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD552bfc02b370f1b48b834ce1c58ad6560
SHA1d3dbca3ed04caabf69ec8d525a83cde0919809cf
SHA256fce02a7cb2ed194e21949d8a394e69f1dd30c4c517addc831018b8a0b7235a97
SHA5125fb4c1b2d4173f5de1237e2fd55b9081b99756217d5d639da3e0e1bbe339d87be2e9b732ef783446bdedee2af8730e4bedb3184d58ba0bce0881ddc199495289
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD54a7b1abe7925dfa59fd6c6a61b258553
SHA1175d0e4bd03f74ea4192d86efd99f55768960c41
SHA256dc0b90bc0ee331512531081897c4d629e085e86ae08627203d10d7886cb96d45
SHA512d0b9249852ee12c59b0ec9ce252c47e44f5e4b5ff2c91a9ff9f801145a320185169470e5180261b1480f3f6d4805cb0e23b1d143f141a4648b4c72412988e97d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
24B
MD5037baecdcea90deb9e45d3c93ed8f586
SHA1ca2ab9e1a9f99debebb18c0de8ad248da2c29595
SHA256982a2625453e38729dd82542daa5ca85da7ce940c52bf3f89ca4c83e67813810
SHA5120ff3b209685f9cf7dd244118a9644b0cc740f6d6d3aca22fcc95f78b2b3dd33cf98e12ec6953e6e5ccaae4ef34cd61d5c66b489fb844575b70bed9bab46a3a62