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Analysis
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max time kernel
92s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
25/12/2023, 14:24
Static task
static1
Behavioral task
behavioral1
Sample
2554977f43cd1421d001bb2b3f8c287c.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2554977f43cd1421d001bb2b3f8c287c.exe
Resource
win10v2004-20231222-en
General
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Target
2554977f43cd1421d001bb2b3f8c287c.exe
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Size
82KB
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MD5
2554977f43cd1421d001bb2b3f8c287c
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SHA1
4a49c0f3da67f85abde45ca8a4276aa54f753af0
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SHA256
cab9a374a21a00cf887ef1fe74aabdf1bb005b922b341b92fe51c503ee58f026
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SHA512
7403d22362fde02c1d64baeaeb9cf12a5dbf2aa607bb638deefd13a6db4abe0c11d04bf9286549f9980249a9da3574b3ce2a2125c3b98a5e4f4202ced725fd70
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SSDEEP
1536:R6KDqIaiMHQC4DGjP5dEINWu7ajYEYGMe0mN+CkjvHjnyppguRQxg+HdU/cO1:R6KgiCQC4DGTDD5ajYErKmNo7nKpDito
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1607236181" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410342899" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a0c39c5fd237da01 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078354" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31078354" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078354" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{85D13015-A3C5-11EE-A0B6-62C42074CD15} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1523017311" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1523017311" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015a2f750fe9ee1479ecf0c8cfb11934c0000000002000000000010660000000100002000000033ef7dc1030a6639fc54460e94a450e58fd29e9324c53b85281cacd17c1bb8ff000000000e8000000002000020000000cee45c927d51a3e232050ba46a0c6a4ef822331142d0ede4568332e0381bfa45200000002310bd3f983a21a8b8af75b692361935c7c8f0d33a598da88fc99fedff6181c840000000ce7df00ee9314409c22075e2295d332a5592c0ffbb9afe3dd434e252bf29d569aae917ec89e67d56b44b71642cd57e68303277af8b7f752c34a51c87373be2d1 IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 900d9f5fd237da01 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000015a2f750fe9ee1479ecf0c8cfb11934c000000000200000000001066000000010000200000000feefa2a072d13b849d905be8498356d80f4d455faf9a7eb895c51a4f161fda6000000000e80000000020000200000008aa7bbec2a32ec0cd3af9627015472de08ce2f73faa6bb01e5a939c0a68b47702000000075130985b7ae733f50616fff3e8d95eb6f4c5525e24bffba6c777ef532e03ba94000000044e227a8749268fb11f3ca3e89ea0ab280e1f9a1cfe6a5ae8cacea1c1a25c7bffc761b4686543097264e4afc9dd09f07719ae4afae29ade4f06104bf9472a859 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31078354" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1607236181" IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1944 2554977f43cd1421d001bb2b3f8c287c.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 396 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1944 2554977f43cd1421d001bb2b3f8c287c.exe 396 IEXPLORE.EXE 396 IEXPLORE.EXE 228 IEXPLORE.EXE 228 IEXPLORE.EXE 228 IEXPLORE.EXE 228 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 1944 wrote to memory of 396 1944 2554977f43cd1421d001bb2b3f8c287c.exe 15 PID 1944 wrote to memory of 396 1944 2554977f43cd1421d001bb2b3f8c287c.exe 15 PID 396 wrote to memory of 228 396 IEXPLORE.EXE 20 PID 396 wrote to memory of 228 396 IEXPLORE.EXE 20 PID 396 wrote to memory of 228 396 IEXPLORE.EXE 20 PID 1944 wrote to memory of 4480 1944 2554977f43cd1421d001bb2b3f8c287c.exe 18 PID 1944 wrote to memory of 4480 1944 2554977f43cd1421d001bb2b3f8c287c.exe 18 PID 1944 wrote to memory of 1536 1944 2554977f43cd1421d001bb2b3f8c287c.exe 19 PID 1944 wrote to memory of 1536 1944 2554977f43cd1421d001bb2b3f8c287c.exe 19 PID 1944 wrote to memory of 1536 1944 2554977f43cd1421d001bb2b3f8c287c.exe 19
Processes
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C:\Users\Admin\AppData\Local\Temp\2554977f43cd1421d001bb2b3f8c287c.exe"C:\Users\Admin\AppData\Local\Temp\2554977f43cd1421d001bb2b3f8c287c.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.on86.com2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:396 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:228
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C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.xingkongjisu.com/flashplayer.htm?52c2⤵
- Modifies Internet Explorer settings
PID:4480
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\255497~1.EXE2⤵PID:1536
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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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
476B
MD5d2183968f9080b37babfeba3ccf10df2
SHA124b9cf589ee6789e567fac3ae5acfc25826d00c6
SHA2564d9b83714539f82372e1e0177924bcb5180b75148e22d6725468fd2fb6f96bcc
SHA5120e16d127a199a4238138eb99a461adf2665cee4f803d63874b4bcef52301d0ecd1d2eb71af3f77187916fe04c5f9b152c51171131c2380f31ca267a0a46d2a42