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Overview
overview
3Static
static
3CMDLGCHS.dll
windows7-x64
1CMDLGCHS.dll
windows10-2004-x64
1COMCAT.dll
windows7-x64
1COMCAT.dll
windows10-2004-x64
1GAPI32.dll
windows7-x64
3GAPI32.dll
windows10-2004-x64
3RCHTXCHS.dll
windows7-x64
1RCHTXCHS.dll
windows10-2004-x64
1RICHED32.dll
windows7-x64
1RICHED32.dll
windows10-2004-x64
1RICHTX32.dll
windows7-x64
1RICHTX32.dll
windows10-2004-x64
1SETUP1.exe
windows7-x64
3SETUP1.exe
windows10-2004-x64
3ST6UNST.exe
windows7-x64
1ST6UNST.exe
windows10-2004-x64
1VB6STKIT.dll
windows7-x64
1VB6STKIT.dll
windows10-2004-x64
1asycfilt.dll
windows7-x64
1asycfilt.dll
windows10-2004-x64
1comdlg32.dll
windows7-x64
1comdlg32.dll
windows10-2004-x64
1help.htm
windows7-x64
1help.htm
windows10-2004-x64
1ipaforenglish.exe
windows7-x64
1ipaforenglish.exe
windows10-2004-x64
1msvbvm60.dll
windows7-x64
1msvbvm60.dll
windows10-2004-x64
1oleaut32.dll
windows7-x64
1oleaut32.dll
windows10-2004-x64
1olepro32.dll
windows7-x64
1olepro32.dll
windows10-2004-x64
1Analysis
-
max time kernel
159s -
max time network
170s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 23:19
Static task
static1
Behavioral task
behavioral1
Sample
CMDLGCHS.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
CMDLGCHS.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
COMCAT.dll
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
COMCAT.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
GAPI32.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
GAPI32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
RCHTXCHS.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
RCHTXCHS.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
RICHED32.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
RICHED32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
RICHTX32.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
RICHTX32.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral13
Sample
SETUP1.exe
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
SETUP1.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
ST6UNST.exe
Resource
win7-20231129-en
Behavioral task
behavioral16
Sample
ST6UNST.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
VB6STKIT.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
VB6STKIT.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
asycfilt.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
asycfilt.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
comdlg32.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
comdlg32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
help.htm
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
help.htm
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
ipaforenglish.exe
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
ipaforenglish.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral27
Sample
msvbvm60.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
msvbvm60.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
oleaut32.dll
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
oleaut32.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
olepro32.dll
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
olepro32.dll
Resource
win10v2004-20231215-en
General
-
Target
help.htm
-
Size
8KB
-
MD5
7d6ae71e3a441ef7d2075e0b5fa72cac
-
SHA1
b33ddc62a2e976a1dacd11f440d152958fdef470
-
SHA256
2e87c9d12778f93cf591012ac827cb27b26209d6e445e8f4070eefdee5bb07da
-
SHA512
5b60ada6eb08d449a0574e2b94cbf88178942d39490dacd995dc72e91e2a54858de4ef22fc4d0b16047dc3841a47d86999ce824752f3bb8cfc22b9d5237fdf50
-
SSDEEP
192:TktGUeQZY575twZAftN01psnXh5f1kdjZ2hJFyFKkC/Qoz:EleQZY575twZAft4psXhfijZ2hJFAdSz
Malware Config
Signatures
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31079591" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{15898054-A89B-11EE-B6AD-524326B4BB5C} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3827676330" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31079591" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3827676330" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\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-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "410874482" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3768 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3768 iexplore.exe 3768 iexplore.exe 3728 IEXPLORE.EXE 3728 IEXPLORE.EXE 3728 IEXPLORE.EXE 3728 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3768 wrote to memory of 3728 3768 iexplore.exe 91 PID 3768 wrote to memory of 3728 3768 iexplore.exe 91 PID 3768 wrote to memory of 3728 3768 iexplore.exe 91
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\help.htm1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3768 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3768 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3728
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee