Overview
overview
10Static
static
10163.5.169....r2.hta
windows7-x64
3163.5.169....r2.hta
windows10-2004-x64
8163.5.169....r2.pdf
windows7-x64
1163.5.169....r2.pdf
windows10-2004-x64
1163.5.169....r3.hta
windows7-x64
3163.5.169....r3.hta
windows10-2004-x64
10163.5.169....r3.pdf
windows7-x64
1163.5.169....r3.pdf
windows10-2004-x64
1163.5.169....r4.hta
windows7-x64
3163.5.169....r4.hta
windows10-2004-x64
7163.5.169....r4.pdf
windows7-x64
1163.5.169....r4.pdf
windows10-2004-x64
1163.5.169....r5.hta
windows7-x64
3163.5.169....r5.hta
windows10-2004-x64
10163.5.169....r5.pdf
windows7-x64
1163.5.169....r5.pdf
windows10-2004-x64
1163.5.169....r2.hta
windows7-x64
3163.5.169....r2.hta
windows10-2004-x64
7163.5.169....er.hta
windows7-x64
3163.5.169....er.hta
windows10-2004-x64
8163.5.169....r2.hta
windows7-x64
3163.5.169....r2.hta
windows10-2004-x64
1163.5.169....ry.gif
windows7-x64
1163.5.169....ry.gif
windows10-2004-x64
1163.5.169....nk.gif
windows7-x64
1163.5.169....nk.gif
windows10-2004-x64
1163.5.169.28/cmd.exe
windows7-x64
163.5.169.28/cmd.exe
windows10-2004-x64
1163.5.169.28/cmt.exe
windows7-x64
1163.5.169.28/cmt.exe
windows10-2004-x64
1163.5.169.28/fd1.exe
windows7-x64
10163.5.169.28/fd1.exe
windows10-2004-x64
10Analysis
-
max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
10-01-2024 21:28
Behavioral task
behavioral1
Sample
163.5.169.28/SCAN-atoletter2.hta
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
163.5.169.28/SCAN-atoletter2.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
163.5.169.28/SCAN-atoletter2.pdf
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
163.5.169.28/SCAN-atoletter2.pdf
Resource
win10v2004-20231222-en
Behavioral task
behavioral5
Sample
163.5.169.28/SCAN-atoletter3.hta
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
163.5.169.28/SCAN-atoletter3.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
163.5.169.28/SCAN-atoletter3.pdf
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
163.5.169.28/SCAN-atoletter3.pdf
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
163.5.169.28/SCAN-atoletter4.hta
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
163.5.169.28/SCAN-atoletter4.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
163.5.169.28/SCAN-atoletter4.pdf
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
163.5.169.28/SCAN-atoletter4.pdf
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
163.5.169.28/SCAN-atoletter5.hta
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
163.5.169.28/SCAN-atoletter5.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
163.5.169.28/SCAN-atoletter5.pdf
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
163.5.169.28/SCAN-atoletter5.pdf
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
163.5.169.28/ato_letter2.hta
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
163.5.169.28/ato_letter2.hta
Resource
win10v2004-20231222-en
Behavioral task
behavioral19
Sample
163.5.169.28/atoletter.hta
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
163.5.169.28/atoletter.hta
Resource
win10v2004-20231222-en
Behavioral task
behavioral21
Sample
163.5.169.28/atoletter2.hta
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
163.5.169.28/atoletter2.hta
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
163.5.169.28/binary.gif
Resource
win7-20231129-en
Behavioral task
behavioral24
Sample
163.5.169.28/binary.gif
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
163.5.169.28/blank.gif
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
163.5.169.28/blank.gif
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
163.5.169.28/cmd.exe
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
163.5.169.28/cmd.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
163.5.169.28/cmt.exe
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
163.5.169.28/cmt.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
163.5.169.28/fd1.exe
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
163.5.169.28/fd1.exe
Resource
win10v2004-20231222-en
General
-
Target
163.5.169.28/blank.gif
-
Size
148B
-
MD5
19517fb39a31be6b8d7ccf53ad84908f
-
SHA1
ebbcfdc6acc99f7aac3bf7fe72bc55f07f03f7e9
-
SHA256
3cb0e54babf019703fe671a32fcc3947aab9079ec2871cf0f9639245cc12d878
-
SHA512
be752ff4c7aa3ab46fdbd93555a17e422e7c8b8661f40f899f51ec9393b510dcb2e66436a4f2c78a42af77dd95e01a3438c88cfaa3e0b02694c1912d5294ee16
Malware Config
Signatures
-
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a07095410c44da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20a834400c44da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c47f1af20644814589e7a32def35942f00000000020000000000106600000001000020000000917f4111959f5c6190ecd1bb747506dfee46a8699515bd3da697d7ffdd69f348000000000e8000000002000020000000563da68760cdf6b235002f96c93686c5814354d0dd8caf9a9bd555d9bcd0eebd20000000f283c0986e1f1c2afd50fdc7aae6c69ea40edbee54b432e3c1734086e00a57b14000000089d94ab70fef564edb951a5f80292c11f8b3376cb3f91504c69941b45af72c20a54d77593b05f6acbc9bec72ab982f6111b71bb9ecc915cfa015011686f5da1a iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "411687179" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31081484" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{69213816-AFFF-11EE-9A4E-5A2E32B6DBC3} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31081484" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1072350809" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c47f1af20644814589e7a32def35942f00000000020000000000106600000001000020000000b483e9c1594ee00573b12ffbf2d98566956337a4a3cbc3d73352966529340ec6000000000e80000000020000200000005abd741a092a7838a04c4801fc3b5d15c565b6453e59ba5e943c6b9c29c4f4e0200000006c5e1927b7acafb159b33f4cf9119f990f3c8c96e6c9490ca445ea03ecee0e79400000002882f9fe725eedf45789bce0dfc0cb4fd6d1ffb5590de5a769559572010a4303bc8e349d5afaf43f60ff6c4667e6e560fe5660e6501e8d88d78df9bee868c255 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1072350809" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4780 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4780 iexplore.exe 4780 iexplore.exe 3580 IEXPLORE.EXE 3580 IEXPLORE.EXE 3580 IEXPLORE.EXE 3580 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4780 wrote to memory of 3580 4780 iexplore.exe 19 PID 4780 wrote to memory of 3580 4780 iexplore.exe 19 PID 4780 wrote to memory of 3580 4780 iexplore.exe 19
Processes
-
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\163.5.169.28\blank.gif1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4780 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3580
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee