Overview
overview
10Static
static
709c28d864e...ad.apk
android-9-x86
1009c28d864e...ad.apk
android-10-x64
1009c28d864e...ad.apk
android-11-x64
10about1d.html
windows7-x64
1about1d.html
windows10-2004-x64
1about2d.html
windows7-x64
1about2d.html
windows10-2004-x64
1app.2d89045a.js
windows7-x64
1app.2d89045a.js
windows10-2004-x64
1app.html
windows7-x64
1app.html
windows10-2004-x64
1app_get_version.html
windows7-x64
1app_get_version.html
windows10-2004-x64
1aps-mraid.js
windows7-x64
1aps-mraid.js
windows10-2004-x64
1bakchat_privacy.htm
windows7-x64
1bakchat_privacy.htm
windows10-2004-x64
1base.js
windows7-x64
1base.js
windows10-2004-x64
1error.js
windows7-x64
1error.js
windows10-2004-x64
1home.html
windows7-x64
1home.html
windows10-2004-x64
1index.html
windows7-x64
1index.html
windows10-2004-x64
1jquery-history.js
windows7-x64
1jquery-history.js
windows10-2004-x64
1jquery-res...min.js
windows7-x64
1jquery-res...min.js
windows10-2004-x64
1jsbridge.js
windows7-x64
1jsbridge.js
windows10-2004-x64
1libwbsafeedit_64
ubuntu-18.04-amd64
Analysis
-
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
13-11-2023 22:00
Static task
static1
Behavioral task
behavioral1
Sample
09c28d864e89a2686f821d6ec76897620f25113dd954d061eaba74580d7aaaad.apk
Resource
android-x86-arm-20231023-en
Behavioral task
behavioral2
Sample
09c28d864e89a2686f821d6ec76897620f25113dd954d061eaba74580d7aaaad.apk
Resource
android-x64-20231023.1-en
Behavioral task
behavioral3
Sample
09c28d864e89a2686f821d6ec76897620f25113dd954d061eaba74580d7aaaad.apk
Resource
android-x64-arm64-20231023-en
Behavioral task
behavioral4
Sample
about1d.html
Resource
win7-20231023-en
Behavioral task
behavioral5
Sample
about1d.html
Resource
win10v2004-20231023-en
Behavioral task
behavioral6
Sample
about2d.html
Resource
win7-20231020-en
Behavioral task
behavioral7
Sample
about2d.html
Resource
win10v2004-20231020-en
Behavioral task
behavioral8
Sample
app.2d89045a.js
Resource
win7-20231023-en
Behavioral task
behavioral9
Sample
app.2d89045a.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral10
Sample
app.html
Resource
win7-20231025-en
Behavioral task
behavioral11
Sample
app.html
Resource
win10v2004-20231023-en
Behavioral task
behavioral12
Sample
app_get_version.html
Resource
win7-20231023-en
Behavioral task
behavioral13
Sample
app_get_version.html
Resource
win10v2004-20231020-en
Behavioral task
behavioral14
Sample
aps-mraid.js
Resource
win7-20231023-en
Behavioral task
behavioral15
Sample
aps-mraid.js
Resource
win10v2004-20231025-en
Behavioral task
behavioral16
Sample
bakchat_privacy.htm
Resource
win7-20231020-en
Behavioral task
behavioral17
Sample
bakchat_privacy.htm
Resource
win10v2004-20231020-en
Behavioral task
behavioral18
Sample
base.js
Resource
win7-20231023-en
Behavioral task
behavioral19
Sample
base.js
Resource
win10v2004-20231023-en
Behavioral task
behavioral20
Sample
error.js
Resource
win7-20231023-en
Behavioral task
behavioral21
Sample
error.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral22
Sample
home.html
Resource
win7-20231020-en
Behavioral task
behavioral23
Sample
home.html
Resource
win10v2004-20231025-en
Behavioral task
behavioral24
Sample
index.html
Resource
win7-20231020-en
Behavioral task
behavioral25
Sample
index.html
Resource
win10v2004-20231023-en
Behavioral task
behavioral26
Sample
jquery-history.js
Resource
win7-20231023-en
Behavioral task
behavioral27
Sample
jquery-history.js
Resource
win10v2004-20231025-en
Behavioral task
behavioral28
Sample
jquery-resizable.min.js
Resource
win7-20231023-en
Behavioral task
behavioral29
Sample
jquery-resizable.min.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral30
Sample
jsbridge.js
Resource
win7-20231020-en
Behavioral task
behavioral31
Sample
jsbridge.js
Resource
win10v2004-20231020-en
Behavioral task
behavioral32
Sample
libwbsafeedit_64
Resource
ubuntu1804-amd64-20231026-en
General
-
Target
bakchat_privacy.htm
-
Size
2KB
-
MD5
a6770ff50d114c81becedda6f1d87eed
-
SHA1
17da909ee817dd59739fbba812e67b1ac13cae06
-
SHA256
bc48fe6585c55c5a28dc27b6ce581552861a00903c160322aa65d494cf2276fb
-
SHA512
55ccf1dae715a6bdaa967ecb5781370862251b856f378bed54e7ff884ac3589efc62aa9e43b5d0fb498d136fefac33a090b267a28aaaa21975dd49f2d67ae8a6
Malware Config
Signatures
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31069820" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 106cb5e17c16da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3710049586" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0efcae17c16da01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31069820" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31069820" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3720517887" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{08BB00DD-8270-11EE-88E4-4602E96D7BC8} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3710049586" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c79fe21d651d6c4bb8d4cd4060a2fb9100000000020000000000106600000001000020000000b76fb6c0ef0276aac1f2d85e244aaa48f96cccd0b8ebc863fd7f0b99e3c9015f000000000e80000000020000200000000c891e3a023543199734ef13dbdfe1e6734691cb0317293ec0a00928a1b4257520000000253f0ee90057ac35340bf6036ab9cf6415a0823cb848adb5fd21b39c35cb2e6e40000000902d581874d82eead264c1eb7224d93318bb6b4db5477e8013a347365fac35d924635445435fbf00e8584a532b1425a37917c04bcedbcf1e63bc0689f0a72b6d iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c79fe21d651d6c4bb8d4cd4060a2fb9100000000020000000000106600000001000020000000197f16f8c041415fee25fa49931bc1172f30b4b0a435bb532c66f0c986c48e11000000000e8000000002000020000000075dacad0c6a6cee2d66c122a036b806ed1e9281514a12f0e2509b5c81e1adf320000000ec6c10a50ce64960c541bc2f621d46639554340cecb528b0c0c7f7ce3c122d2f400000002fb9bebaba0c5358dd440e51b90abb929494009417f2bcb93391fe4b74004c6c36cd4781571b56c5a0b589dfaee8ad77b0643ebad23620d47537e40f2403bc38 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "406677794" iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2720 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2720 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2720 iexplore.exe 2720 iexplore.exe 2104 IEXPLORE.EXE 2104 IEXPLORE.EXE 2104 IEXPLORE.EXE 2104 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2720 wrote to memory of 2104 2720 iexplore.exe 87 PID 2720 wrote to memory of 2104 2720 iexplore.exe 87 PID 2720 wrote to memory of 2104 2720 iexplore.exe 87
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\bakchat_privacy.htm1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2720 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2104
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee