Overview
overview
6Static
static
6Payload/ES...ts.pdf
windows7-x64
1Payload/ES...ts.pdf
windows10-2004-x64
1Payload/ES.../ESign
macos-10.15-amd64
1Payload/ES...x.html
windows7-x64
1Payload/ES...x.html
windows10-2004-x64
1Payload/ES...min.js
windows7-x64
1Payload/ES...min.js
windows10-2004-x64
1Payload/ES...min.js
windows7-x64
1Payload/ES...min.js
windows10-2004-x64
1Payload/ES...dex.js
windows7-x64
1Payload/ES...dex.js
windows10-2004-x64
1Payload/ES...oad.js
windows7-x64
1Payload/ES...oad.js
windows10-2004-x64
1Payload/ES...ort.js
windows7-x64
1Payload/ES...ort.js
windows10-2004-x64
1Payload/ES...ble.js
windows7-x64
1Payload/ES...ble.js
windows10-2004-x64
1Payload/ES...min.js
windows7-x64
1Payload/ES...min.js
windows10-2004-x64
1Payload/ES...get.js
windows7-x64
1Payload/ES...get.js
windows10-2004-x64
1Payload/ES...min.js
windows7-x64
1Payload/ES...min.js
windows10-2004-x64
1Payload/ES...min.js
windows7-x64
1Payload/ES...min.js
windows10-2004-x64
1Payload/ES...ts.pdf
windows7-x64
1Payload/ES...ts.pdf
windows10-2004-x64
1Analysis
-
max time kernel
144s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
17-11-2023 02:13
Behavioral task
behavioral1
Sample
Payload/ESign.app/Assets.pdf
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
Payload/ESign.app/Assets.pdf
Resource
win10v2004-20231023-en
Behavioral task
behavioral3
Sample
Payload/ESign.app/ESign
Resource
macos-20220504-en
Behavioral task
behavioral4
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/index.html
Resource
win7-20231020-en
Behavioral task
behavioral5
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/index.html
Resource
win10v2004-20231020-en
Behavioral task
behavioral6
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/bootstrap.min.js
Resource
win7-20231023-en
Behavioral task
behavioral7
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/bootstrap.min.js
Resource
win10v2004-20231023-en
Behavioral task
behavioral8
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/html5shiv.min.js
Resource
win7-20231020-en
Behavioral task
behavioral9
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/html5shiv.min.js
Resource
win10v2004-20231023-en
Behavioral task
behavioral10
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/index.js
Resource
win7-20231023-en
Behavioral task
behavioral11
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/index.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral12
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.fileupload.js
Resource
win7-20231023-en
Behavioral task
behavioral13
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.fileupload.js
Resource
win10v2004-20231023-en
Behavioral task
behavioral14
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.iframe-transport.js
Resource
win7-20231020-en
Behavioral task
behavioral15
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.iframe-transport.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral16
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.jeditable.js
Resource
win7-20231023-en
Behavioral task
behavioral17
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.jeditable.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral18
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.min.js
Resource
win7-20231025-en
Behavioral task
behavioral19
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.min.js
Resource
win10v2004-20231023-en
Behavioral task
behavioral20
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.ui.widget.js
Resource
win7-20231023-en
Behavioral task
behavioral21
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/jquery.ui.widget.js
Resource
win10v2004-20231023-en
Behavioral task
behavioral22
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/respond.min.js
Resource
win7-20231023-en
Behavioral task
behavioral23
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/respond.min.js
Resource
win10v2004-20231023-en
Behavioral task
behavioral24
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/tmpl.min.js
Resource
win7-20231020-en
Behavioral task
behavioral25
Sample
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/js/tmpl.min.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral26
Sample
Payload/ESign.app/QMUIResources.bundle/Assets.pdf
Resource
win7-20231025-en
Behavioral task
behavioral27
Sample
Payload/ESign.app/QMUIResources.bundle/Assets.pdf
Resource
win10v2004-20231020-en
General
-
Target
Payload/ESign.app/GCDWebUploader.bundle/Contents/Resources/index.html
-
Size
9KB
-
MD5
9d8f28f7f146df3bfaa790f1f0a4b43d
-
SHA1
658c205ccfefc68b71374bd5da4bc461c2bbe38c
-
SHA256
8ce1267aa1c066e0dd98cb551ba2bf2755cf8f01cb0777bfa1f00850749b537b
-
SHA512
406879e5b86b3273df1c09f1998db33ba98511a10a0ede7170c23445ebcb73fd39a5e0641ce3020db62db920075d145b2940a81266036811cf7f6d44c3219177
-
SSDEEP
192:qorsIrsUSt3ix3HUrSR6LM9wCINJcYcpMvMwQYsquMEGKlps4Rc4cmnGXIzpFtTt:NrsIrsUSVQHaSR0y8LcYcpM0wQYsquM0
Malware Config
Signatures
-
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E7974BB8-84EE-11EE-BDA1-F6568660663D} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3157813341" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 208fddbefb18da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31070459" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31070459" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3176407242" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31070459" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "406952188" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3157813341" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003b97c1da6bd61743bfb3911f85184de200000000020000000000106600000001000020000000d1ef8f7b7a815b8adbcc6d86fe42c9e4a5130880801d757d2a8ef5f114c90838000000000e8000000002000020000000bb520a64c4de8f5e81c0c15abb074f8cd3b4c5b92e3527d3bfea7634b2d0b2de20000000c1b520a424bb3f3e484207cab9b855addefc2899483cc01398c3d8561d1e2bbc400000009a4977f0943dacb9299767660483823fa373fe10fde5d4d3d5bbd1f97c0db9680de079385fb9cb52ef1369e768d8f95b5c39d05c81e7cd4aa2ed1e36a1544f3c iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0618cbefb18da01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003b97c1da6bd61743bfb3911f85184de200000000020000000000106600000001000020000000b478b143eaf560c5fd09f5f59421c556d034a17dcf6fa0e082df1f22a2fab5b0000000000e80000000020000200000008ddc2e1fedb68b7d709559b45014ed02a1e7b5438903c2fc0a0daaadefeaa12e2000000017c4d88b42176f7572a29feae2ce573653f1c32ae37ba62a602e014dc681228440000000d851bf9740252a994f15ed06e3618a5e12693ad6e75a959b20f1e35f1c876ab3beb9b8513637265d10920a3ed63f2357a8e0cf31065d892da717f2e69a3b6e24 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
iexplore.exepid process 2956 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 2956 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 2956 iexplore.exe 2956 iexplore.exe 1708 IEXPLORE.EXE 1708 IEXPLORE.EXE 1708 IEXPLORE.EXE 1708 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
iexplore.exedescription pid process target process PID 2956 wrote to memory of 1708 2956 iexplore.exe IEXPLORE.EXE PID 2956 wrote to memory of 1708 2956 iexplore.exe IEXPLORE.EXE PID 2956 wrote to memory of 1708 2956 iexplore.exe IEXPLORE.EXE
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Payload\ESign.app\GCDWebUploader.bundle\Contents\Resources\index.html1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2956 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1708
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee