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Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
13/07/2023, 19:02
Static task
static1
Behavioral task
behavioral1
Sample
099f8cabb99fb8exe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
099f8cabb99fb8exe_JC.exe
Resource
win10v2004-20230703-en
General
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Target
099f8cabb99fb8exe_JC.exe
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Size
484KB
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MD5
099f8cabb99fb81213e8e147b6789252
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SHA1
33cd310a8bf80a5b8d862d92562482744776a321
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SHA256
b181fb27e5874a8a38afb35208338c71f818d2dbfa312f4c9a44e253909fe1e0
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SHA512
edacfc3c4a358c08a9854c7b9b0c283a31054f44315bf6553380df8b5425ede51eb17e9463f56d7f796648448562db56cfef27ca0ffed39dcc86b57d8ae7dd69
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SSDEEP
12288:iu4lNAtYytvS5Aku1YLsxdkUoDj9JU01tuMsTp:iwhtvSLuFeUoPo0uM
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-1-5-21-1043950675-1972537973-2972532878-1000\Control Panel\International\Geo\Nation 099f8cabb99fb8exe_JC.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\gtimg.com\NumberOfSubdomains = "1" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0ebc1a1bcb5d901 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31045052" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31045052" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31045052" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D24A609C-21AF-11EE-84C0-C268C3D2EB56} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\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-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\DOMStorage\gtimg.com IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2798754389" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "396039927" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000b4885326af1dd94bb4dd17ee58687030000000000200000000001066000000010000200000007e275259ad21814bdc356e79dfad896cadca404e7f88fac8694dc7d089e4c0c0000000000e8000000002000020000000c300cb86d1d59007c7979af7414d9e48393bb41f4a5cb819751a8f450e722bfc20000000760cbd3666750af1dbb2c64639c89f9ebb73635c7b4d85690664eef24dfdfe1240000000b606504b2061314ab0abdbc954dff05ae41776e63acff9063a51f8dbc1b50762755402906a9969180bacf082d9be638f6b9273b73141f405869ad4a5a27b2e98 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DOMStorage\gtimg.com IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2798754389" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2802084832" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-1043950675-1972537973-2972532878-1000\{3978F2F2-E016-4010-9C91-D0E52B003C18} IEXPLORE.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 5064 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
description pid Process Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: 33 4788 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 4788 AUDIODG.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE Token: SeShutdownPrivilege 2992 IEXPLORE.EXE Token: SeCreatePagefilePrivilege 2992 IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 5064 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 5064 iexplore.exe 5064 iexplore.exe 2992 IEXPLORE.EXE 2992 IEXPLORE.EXE 2992 IEXPLORE.EXE 2992 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 4060 wrote to memory of 5064 4060 099f8cabb99fb8exe_JC.exe 86 PID 4060 wrote to memory of 5064 4060 099f8cabb99fb8exe_JC.exe 86 PID 5064 wrote to memory of 2992 5064 iexplore.exe 87 PID 5064 wrote to memory of 2992 5064 iexplore.exe 87 PID 5064 wrote to memory of 2992 5064 iexplore.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\099f8cabb99fb8exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\099f8cabb99fb8exe_JC.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4060 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://skjp.zcjczj.cn/rxzgzb.html?s=154&v=155&c=185&a=175&m=&t=16150318142⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5064 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5064 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2992
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4f4 0x4e01⤵
- Suspicious use of AdjustPrivilegeToken
PID:4788
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
151B
MD559347f4b7e537251528f9817a2ca9797
SHA13cd1d32ab30df6b6862512bf16f2646a86d1e380
SHA25698d09d7d4bec4c6777806f5540c8493a5fed145577622a7ed3d0804ee7728240
SHA512b374bbbf3d1d1de28e10313318651b4b8c4a5f98d60d0c1c4007c1cd1fefe8e3a13f7aa07e893ce068a746e070a4c5b3b2399e2fddc51ac55dd34c9f16b2492d
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Filesize
43B
MD5ad4b0f606e0f8465bc4c4c170b37e1a3
SHA150b30fd5f87c85fe5cba2635cb83316ca71250d7
SHA256cf4724b2f736ed1a0ae6bc28f1ead963d9cd2c1fd87b6ef32e7799fc1c5c8bda
SHA512ebfe0c0df4bcc167d5cb6ebdd379f9083df62bef63a23818e1c6adf0f64b65467ea58b7cd4d03cf0a1b1a2b07fb7b969bf35f25f1f8538cc65cf3eebdf8a0910
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
10B
MD574e1080b5e3125ca3a5abc7b340399aa
SHA1b1e150e5809482e54c347d440f1824179c0d6d5f
SHA256623017a5748ff1b4e9d0f227f5cd58869ae4959d1ca8fd204c9441cd11e2695b
SHA51251985a333a6c225976863cf49eca3492f5b8a61f525d08d0bc69c25a7eecaad6fc3ec6f71420f06bb1c3fbfbd197eed6c5c4a99929bd0dbdee73ec2f88265f80
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Filesize
122KB
MD589a91d4356327e574e99b7ae03daaa1f
SHA1a60178a859f2507d8bdba1d3d064ee33b39e35cd
SHA25628aaf6950681fda408d234b11f4a52d23ad437b4c12b7d00f65d14de61ca0c40
SHA512b7246406254e05f3910c87004dc5779f22b7cce0b0682f062a0a928498601152159194c59cf5677a32b3e77180d33f7ba8af8a8515655c3b7bb6f6a5fd73ce99