Analysis Overview
Threat Level: Shows suspicious behavior
The file https://tmpfiles.org/dl/4282465/payload.zip was found to be: Shows suspicious behavior.
Malicious Activity Summary
Legitimate hosting services abused for malware hosting/C2
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Opens file in notepad (likely ransom note)
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-02-22 20:20
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-02-22 20:20
Reported
2024-02-22 20:22
Platform
win10v2004-20240221-es
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | 7.tcp.eu.ngrok.io | N/A | N/A |
| N/A | 7.tcp.eu.ngrok.io | N/A | 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\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 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 = "133531068135205159" | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000_Classes\Local Settings | C:\Program Files\Google\Chrome\Application\chrome.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2132103209-3755304320-2959162027-1000_Classes\Local Settings | C:\Windows\system32\calc.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: 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 |
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
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
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://tmpfiles.org/dl/4282465/payload.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=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7fffb6239758,0x7fffb6239768,0x7fffb6239778
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=1712 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /prefetch:2
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=utility --mojo-platform-channel-handle=2152 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /prefetch:8
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=2104 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /prefetch:8
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2932 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=2924 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /prefetch:1
C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\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=5448 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /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=5512 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /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=5488 --field-trial-handle=1872,i,18235710236842130195,12170747366255379736,131072 /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:\Users\Admin\Desktop\rce-exploit\nimshell.exe
"C:\Users\Admin\Desktop\rce-exploit\nimshell.exe"
C:\Windows\SYSTEM32\cmd.exe
cmd /c ls
C:\Windows\SYSTEM32\cmd.exe
cmd /c dir
C:\Windows\SYSTEM32\cmd.exe
cmd /c whoami
C:\Windows\system32\whoami.exe
whoami
C:\Windows\SYSTEM32\cmd.exe
cmd /c dir
C:\Windows\SYSTEM32\cmd.exe
cmd /c calc
C:\Windows\system32\calc.exe
calc
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Windows\SYSTEM32\cmd.exe
cmd /c echo "You got pwned, bom dia!" >> mypasswords.txt
C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\mypasswords.txt
C:\Windows\SYSTEM32\cmd.exe
cmd /c del *
C:\Windows\SYSTEM32\cmd.exe
cmd /c
C:\Users\Admin\Desktop\rce-exploit\nimshell.exe
"C:\Users\Admin\Desktop\rce-exploit\nimshell.exe"
C:\Windows\SYSTEM32\cmd.exe
cmd /c dir
C:\Windows\SYSTEM32\cmd.exe
cmd /c del *.*
C:\Windows\SYSTEM32\cmd.exe
cmd /c
C:\Windows\SYSTEM32\cmd.exe
cmd /c y
C:\Windows\SYSTEM32\cmd.exe
cmd /c y
C:\Windows\SYSTEM32\cmd.exe
cmd /c dir
C:\Windows\SYSTEM32\cmd.exe
cmd /c dir
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | tmpfiles.org | udp |
| US | 172.67.195.247:443 | tmpfiles.org | tcp |
| US | 8.8.8.8:53 | apps.identrust.com | udp |
| GB | 96.17.179.184:80 | apps.identrust.com | tcp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 8.8.8.8:53 | 2.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 247.195.67.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 106.201.58.216.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 184.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.tcp.eu.ngrok.io | udp |
| DE | 3.124.67.191:10052 | 7.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 191.67.124.3.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 7.tcp.eu.ngrok.io | udp |
| DE | 3.68.56.232:10052 | 7.tcp.eu.ngrok.io | tcp |
| US | 8.8.8.8:53 | 232.56.68.3.in-addr.arpa | udp |
Files
\??\pipe\crashpad_4948_MVXZKPRGXGBHZHWB
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
| MD5 | 99914b932bd37a50b983c5e7c90ae93b |
| SHA1 | bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f |
| SHA256 | 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a |
| SHA512 | 27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd |
C:\Users\Admin\Downloads\payload.zip.crdownload
| MD5 | 0b6417144d1a57d90a2ebdfb5022c76a |
| SHA1 | 84b6beed381a698ddca89167fc8e61ad7f00858f |
| SHA256 | eb0f256088c6111c350bffda595ba84c7cacb38c1cc732be88128c17652cc724 |
| SHA512 | 8e66e6e9028e8cd659cbacd29abb99ce862c0b950fd177cef9c221c9baab97fdc3b7453ada746567d6a8d94eefe92d69608a2ac155c1e534dde4d21653525e43 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
| MD5 | 100d266fd8ea918467e88b9573c35f45 |
| SHA1 | 9aad616e59e8fe7deab075677722fd0e82026b6f |
| SHA256 | aa3f038e3165f5d3e871e7cb31b8d2025205b36a111618c8258a2b86d3e0b163 |
| SHA512 | a463cd2c93f05ae83c981c37f0943ee3dd3bd26621356db822467fa1af2567a7591216adf15665468ec732456b59eac0cf389749444963e51c4f486d46b90fe2 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
| MD5 | e26b5c3cf64529cd5fc5ce41ea2a9ada |
| SHA1 | 019ecb856409c7e7f1e19e489b47ce499d245894 |
| SHA256 | 8a282a383d3909b64b5706ba81dce41a4d15be2a8b8edac72253cf8628eb671d |
| SHA512 | 4c3b17366e85a7d371dbf2dd180d886ce917a8dc701ca0873b9a4fc0c49c26d9980079fd533eff6800804d72d89b6ff0b733bd103f10ca9a125ac43ceb194693 |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
| MD5 | 3e606d30efb71e80f9e9d018c8f68b50 |
| SHA1 | 3e132e30f8c5f5d5fca58d8348789063f9b8555f |
| SHA256 | 2da4880bf1358d46ac0fce0f1d4d8072e07b523dd61d2bbe7b242f2635b2a2e9 |
| SHA512 | 593278a9072ead4e5bc4c913366b7babb7f8271527b50ac1a3edeb50b3de6cc5c41a70f43e68a09d013a155d2d758d779d7f7d8a4e6a2a07161fb1873cd993cc |
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
| MD5 | f50f89a0a91564d0b8a211f8921aa7de |
| SHA1 | 112403a17dd69d5b9018b8cede023cb3b54eab7d |
| SHA256 | b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec |
| SHA512 | bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58 |
memory/1076-109-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/1076-110-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/1076-111-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
C:\Users\Admin\Desktop\mypasswords.txt
| MD5 | 036ace330d16eda016b74b3a2ae5a680 |
| SHA1 | 873d1f9b1c4e2abe3ced0bcd09db6d1d6e69239e |
| SHA256 | 17ee3c5189c2b88d1c62d7300edc0f987006a777d091bfa564008bcc0a0fa357 |
| SHA512 | 472bae2b30cd74b8cd6a724999ae23f3a6683d01ff6efd937b33aed379268eaec3e026a47a1aa6b09e9294ff9254ff2974f27a645c7753d4546a844d670de048 |
memory/1076-117-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/1076-119-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/1076-120-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/1076-121-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/4268-122-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/4268-123-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/4268-124-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp
memory/4268-125-0x00007FF6BA7F0000-0x00007FF6BA874000-memory.dmp