Analysis Overview
Threat Level: Likely malicious
The file https://downloads.stacos.com/TDS/TDS_Downloads/xLeTDS.zip was found to be: Likely malicious.
Malicious Activity Summary
Suspicious Office macro
Modifies registry class
Suspicious use of FindShellTrayWindow
Modifies Internet Explorer settings
Opens file in notepad (likely ransom note)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of SendNotifyMessage
Enumerates system info in registry
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-30 06:41
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-30 06:41
Reported
2024-06-30 06:43
Platform
win10v2004-20240611-en
Max time kernel
149s
Max time network
137s
Command Line
Signatures
Suspicious Office macro
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Modifies data under HKEY_USERS
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133642032741455641" | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-4204450073-1267028356-951339405-1000_Classes\Local Settings | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Opens file in notepad (likely ransom note)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\NOTEPAD.EXE | N/A |
Suspicious behavior: AddClipboardFormatListener
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE | N/A |
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| N/A | N/A | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://downloads.stacos.com/TDS/TDS_Downloads/xLeTDS.zip
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffdcac3ab58,0x7ffdcac3ab68,0x7ffdcac3ab78
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1684 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:2
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=2176 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3044 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3052 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4744 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4904 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4200 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:8
C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap27745:74:7zEvent15106
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\xLeTDS\1_ReadMeFirst.txt
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\Downloads\xLeTDS\eTDS-XL_Blank_Template.xlsm"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4304 --field-trial-handle=1864,i,10473935327744079635,3278805331802187062,131072 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | downloads.stacos.com | udp |
| IN | 3.108.179.218:443 | downloads.stacos.com | tcp |
| IN | 3.108.179.218:443 | downloads.stacos.com | tcp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 10.180.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.179.108.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | roaming.officeapps.live.com | udp |
| US | 8.8.8.8:53 | 97.32.109.52.in-addr.arpa | udp |
| FR | 52.109.68.129:443 | roaming.officeapps.live.com | tcp |
| US | 8.8.8.8:53 | 129.68.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 80.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.73.42.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 10.28.171.150.in-addr.arpa | udp |
| US | 8.8.8.8:53 | stacos.com | udp |
| IN | 13.233.75.15:443 | stacos.com | tcp |
| US | 8.8.8.8:53 | ocsp.r2m03.amazontrust.com | udp |
| IT | 108.139.216.197:80 | ocsp.r2m03.amazontrust.com | tcp |
| US | 8.8.8.8:53 | 15.75.233.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.178.204.143.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 113.216.138.108.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.216.139.108.in-addr.arpa | udp |
| IN | 13.233.75.15:80 | stacos.com | tcp |
| US | 8.8.8.8:53 | www.stacos.com | udp |
| IN | 13.233.75.15:443 | www.stacos.com | tcp |
Files
\??\pipe\crashpad_1716_ASSSDEWUUKSBGRIE
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
| MD5 | d751713988987e9331980363e24189ce |
| SHA1 | 97d170e1550eee4afc0af065b78cda302a97674c |
| SHA256 | 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945 |
| SHA512 | b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af |
C:\Users\Admin\Downloads\xLeTDS.zip
| MD5 | 3a7ae6c7efa33be853965dfd78c774ed |
| SHA1 | 57783017c7125459d8bb687263e705420de0292b |
| SHA256 | 9f1f012b2f9f57cd626ce78c5e3e4fb8cd875e74ed43d649702d8af21c97794b |
| SHA512 | dc08380be58ce17c992dc301d5b917dfd310f21ca753a688d9ec45a3e8845bf0bb21400278356fbf12faf4eebe5d91396c3bc3f69207728113749905cc424acc |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\58a8405f-305c-4256-81c0-b5038ccc64ac.tmp
| MD5 | 376cc760fb122ed1132d79de15493959 |
| SHA1 | 167301cf0cead31333a5d0a36163d4acac5cf2cf |
| SHA256 | b7a803ef06bf403317537ffb0feafa088aa2d17fd4f325ce5285e2ada21daf59 |
| SHA512 | 00d713d25c4b3dee81586270156e3f0c881456c863d0e6296cb9382b3ed9002d6896365737368ef26ad0ee60bda9db84c8cc01f81dfbc8e9deccea9ba4a9b112 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 62bf612d80447e8950fef348d2a03330 |
| SHA1 | 4954d0766413115f6a5f2bdd99fa871f1e6b9cc8 |
| SHA256 | 6300cb29f972433bd68c636e848a314c09f64cb13852d92022f631154c600895 |
| SHA512 | 923013f5e481094e7aa52c8075bc5337b1ac0113273520c00a57ca157252a188a7c9ce589e5be487584f4655d5e3e1e82008ed1397871471ec60c19c9c99df09 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
| MD5 | 7deb6d4c175cc58462cd26d61a260d15 |
| SHA1 | a627cface2f822a38824683a1e13e27f875a2ce9 |
| SHA256 | 04b8e2c296b8498aa4868dcb53053a4a822ee0f5b50d8917f5928ba33237bbd1 |
| SHA512 | 35248e3574bb473ac041e446c9915e0beb0cace155600c7194511f1c833cd0599264e424e934f0e84b4c51e5453a897021b8506437e4e40eef846d17cffb4423 |
C:\Users\Admin\Downloads\xLeTDS\1_ReadMeFirst.txt
| MD5 | 30d95e3c52a58b54bece53c63030cd22 |
| SHA1 | 69a5a622c77010f6a86b6555b3d63a877d9742ad |
| SHA256 | 7c36023fac5b5b53901acf13a19dcb78b872dc6b93bb69af70c45368aad99a8f |
| SHA512 | 9185767f4cf9f9a9b8264cd387cf0a279bfb6db38804601aaca9bc83d6c5a2eb4d5874d7c9c2412487c9c021c38d5d76fc20c26784df67c2e36a8e681c1c8c70 |
memory/3612-78-0x00007FFD99C10000-0x00007FFD99C20000-memory.dmp
memory/3612-80-0x00007FFD99C10000-0x00007FFD99C20000-memory.dmp
memory/3612-79-0x00007FFD99C10000-0x00007FFD99C20000-memory.dmp
memory/3612-81-0x00007FFD99C10000-0x00007FFD99C20000-memory.dmp
memory/3612-82-0x00007FFD99C10000-0x00007FFD99C20000-memory.dmp
memory/3612-83-0x00007FFD978C0000-0x00007FFD978D0000-memory.dmp
memory/3612-84-0x00007FFD978C0000-0x00007FFD978D0000-memory.dmp
C:\Users\Admin\Downloads\xLeTDS\eTDS-XL_Blank_Template.xlsm
| MD5 | e7c8154d3ebbf45aff3d01110863e860 |
| SHA1 | cab322c57f8b684e71dccc4682391cbc44088b1b |
| SHA256 | 4d3ddc3287eb3208c25f2102a3dfa6093833bff9e0c14939a2e3a7bc3595b055 |
| SHA512 | b2b2e4a45b713f49353b2b80b17f4312f856f769b0ecd0ecdcc39d996ee5bf4e7239a8dcecca762f5be47e1f37cb0440867fd7cc27ae4d4e85abedf58a32e80a |
C:\Users\Admin\AppData\Roaming\Microsoft\Office\Recent\index.dat
| MD5 | afa1e695f7c8200629f3783ce879ff97 |
| SHA1 | 3b8a0ac47e8c3d4cf083b1b7803c2131160848e6 |
| SHA256 | f955094ced3b277d79e3364892deb0767ba559d81b0379cdbbefc89add2277b0 |
| SHA512 | 995e1418ea019ceff28cbd9dd94530ed1897526930cf0c6c213c592e2c8a477376c3c1027da3d017d5c73fa4761f56170aae7db735db2be6b75e6eb7c08250ef |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
| MD5 | f30bdb6a59a803cc087919370ede25d5 |
| SHA1 | 986e3df269683fc327a614e28c7bb259e2f2fc86 |
| SHA256 | 0b9cdba14fb39d7e7f9627b6db8b4de87b0c4eef22f93e59b410653e284bbdca |
| SHA512 | a3053e61f99cc76d93b21c8b6c2ad713de793cffccc04ff98ccb2b410a2611156e3a3032c600660d8c21ce87b216c1b1b49576682c289888cb093ee3432931f7 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | c1660e9f45a5a4b238d7f15be0848508 |
| SHA1 | ad3393d7d745520bec1a4d192b5457688baaef1d |
| SHA256 | 3f418e6a301e18ecd308c7ac1f9629e9eb57ff0212bb5e99c86bd2f4dd39a8be |
| SHA512 | 0801c707681f4a8c177fc512aacdc59418a082781c63593eb83163a08766848528f567f74dd75d1107ee2472ac43c7941d49b0278775ca8f2f206bf1fba78ce0 |
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms
| MD5 | 4fcb2a3ee025e4a10d21e1b154873fe2 |
| SHA1 | 57658e2fa594b7d0b99d02e041d0f3418e58856b |
| SHA256 | 90bf6baa6f968a285f88620fbf91e1f5aa3e66e2bad50fd16f37913280ad8228 |
| SHA512 | 4e85d48db8c0ee5c4dd4149ab01d33e4224456c3f3e3b0101544a5ca87a0d74b3ccd8c0509650008e2abed65efd1e140b1e65ae5215ab32de6f6a49c9d3ec3ff |