Analysis Overview
SHA256
a246e12a4ba2de87f50d1aeedacf5e474412d243c18c8f7bf1d69338733adcad
Threat Level: Known bad
The file Pedido 1243.PDF.tar was found to be: Known bad.
Malicious Activity Summary
Guloader,Cloudeye
Loads dropped DLL
Legitimate hosting services abused for malware hosting/C2
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Drops file in Program Files directory
Drops file in Windows directory
Program crash
Enumerates physical storage devices
Unsigned PE
NSIS installer
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-22 08:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
NSIS installer
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-22 08:13
Reported
2024-05-22 08:15
Platform
win7-20240220-en
Max time kernel
148s
Max time network
124s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2028 set thread context of 2640 | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe |
| PID 2640 set thread context of 1180 | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | C:\Windows\Explorer.EXE |
| PID 2640 set thread context of 1176 | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | C:\Windows\SysWOW64\write.exe |
| PID 1176 set thread context of 1180 | N/A | C:\Windows\SysWOW64\write.exe | C:\Windows\Explorer.EXE |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\mycelian\sempitern.ini | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\write.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\write.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\Telescribe.exe
"C:\Users\Admin\AppData\Local\Temp\Telescribe.exe"
C:\Users\Admin\AppData\Local\Temp\Telescribe.exe
"C:\Users\Admin\AppData\Local\Temp\Telescribe.exe"
C:\Windows\SysWOW64\write.exe
"C:\Windows\SysWOW64\write.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 142.250.179.225:443 | drive.usercontent.google.com | tcp |
Files
\Users\Admin\AppData\Local\Temp\nsi19AA.tmp\System.dll
| MD5 | b8992e497d57001ddf100f9c397fcef5 |
| SHA1 | e26ddf101a2ec5027975d2909306457c6f61cfbd |
| SHA256 | 98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b |
| SHA512 | 8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c |
memory/2028-33-0x00000000038C0000-0x00000000058E1000-memory.dmp
memory/2028-34-0x00000000777D1000-0x00000000778D2000-memory.dmp
memory/2028-35-0x00000000777D0000-0x0000000077979000-memory.dmp
memory/2640-36-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2028-37-0x00000000038C0000-0x00000000058E1000-memory.dmp
memory/2640-38-0x00000000777D0000-0x0000000077979000-memory.dmp
memory/2640-39-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2640-62-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2028-63-0x00000000038C0000-0x00000000058E1000-memory.dmp
memory/2640-64-0x0000000000400000-0x0000000001462000-memory.dmp
memory/2640-70-0x0000000000400000-0x0000000001462000-memory.dmp
memory/1176-72-0x0000000000080000-0x00000000000BF000-memory.dmp
memory/2640-74-0x0000000000400000-0x0000000001462000-memory.dmp
memory/1176-75-0x0000000000080000-0x00000000000BF000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-22 08:13
Reported
2024-05-22 08:15
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
Guloader,Cloudeye
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Legitimate hosting services abused for malware hosting/C2
| Description | Indicator | Process | Target |
| N/A | drive.google.com | N/A | N/A |
| N/A | drive.google.com | N/A | N/A |
Suspicious use of NtCreateThreadExHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2804 set thread context of 752 | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe |
| PID 752 set thread context of 3532 | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | C:\Windows\Explorer.EXE |
| PID 752 set thread context of 1172 | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | C:\Windows\SysWOW64\write.exe |
| PID 1172 set thread context of 3532 | N/A | C:\Windows\SysWOW64\write.exe | C:\Windows\Explorer.EXE |
| PID 1172 set thread context of 4048 | N/A | C:\Windows\SysWOW64\write.exe | C:\Program Files\Mozilla Firefox\Firefox.exe |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\mycelian\sempitern.ini | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
Enumerates physical storage devices
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \Registry\User\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2 | C:\Windows\SysWOW64\write.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Telescribe.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\write.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\write.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\write.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\write.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeShutdownPrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
| Token: SeCreatePagefilePrivilege | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\Telescribe.exe
"C:\Users\Admin\AppData\Local\Temp\Telescribe.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4500,i,9746875443948590908,1444894342962555245,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8
C:\Users\Admin\AppData\Local\Temp\Telescribe.exe
"C:\Users\Admin\AppData\Local\Temp\Telescribe.exe"
C:\Windows\SysWOW64\write.exe
"C:\Windows\SysWOW64\write.exe"
C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.google.com | udp |
| GB | 142.250.187.238:443 | drive.google.com | tcp |
| US | 8.8.8.8:53 | 238.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.169.217.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | drive.usercontent.google.com | udp |
| GB | 142.250.179.225:443 | drive.usercontent.google.com | tcp |
| US | 8.8.8.8:53 | 225.179.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 91.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.fivetownsjcc.com | udp |
| US | 208.112.85.150:80 | www.fivetownsjcc.com | tcp |
| US | 8.8.8.8:53 | 150.85.112.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | www.maxiwalls.com | udp |
| LT | 79.98.25.1:80 | www.maxiwalls.com | tcp |
| US | 8.8.8.8:53 | 1.25.98.79.in-addr.arpa | udp |
| LT | 79.98.25.1:80 | www.maxiwalls.com | tcp |
| LT | 79.98.25.1:80 | www.maxiwalls.com | tcp |
| LT | 79.98.25.1:80 | www.maxiwalls.com | tcp |
| US | 8.8.8.8:53 | www.donantedeovulos.space | udp |
| DE | 64.190.62.22:80 | www.donantedeovulos.space | tcp |
| US | 8.8.8.8:53 | 22.62.190.64.in-addr.arpa | udp |
| DE | 64.190.62.22:80 | www.donantedeovulos.space | tcp |
| DE | 64.190.62.22:80 | www.donantedeovulos.space | tcp |
| DE | 64.190.62.22:80 | www.donantedeovulos.space | tcp |
| US | 8.8.8.8:53 | www.valentinaetommaso.it | udp |
| DE | 3.73.27.108:80 | www.valentinaetommaso.it | tcp |
| US | 8.8.8.8:53 | 108.27.73.3.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\nsp4DF.tmp\System.dll
| MD5 | b8992e497d57001ddf100f9c397fcef5 |
| SHA1 | e26ddf101a2ec5027975d2909306457c6f61cfbd |
| SHA256 | 98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b |
| SHA512 | 8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c |
memory/2804-32-0x0000000004B50000-0x0000000006B71000-memory.dmp
memory/2804-33-0x00000000772B1000-0x00000000773D1000-memory.dmp
memory/2804-34-0x0000000010004000-0x0000000010005000-memory.dmp
memory/752-35-0x0000000000400000-0x0000000001654000-memory.dmp
memory/752-36-0x0000000001660000-0x0000000003681000-memory.dmp
memory/2804-37-0x0000000004B50000-0x0000000006B71000-memory.dmp
memory/752-50-0x0000000000400000-0x0000000001654000-memory.dmp
memory/2804-51-0x0000000004B50000-0x0000000006B71000-memory.dmp
memory/752-52-0x0000000000400000-0x0000000001654000-memory.dmp
memory/752-53-0x0000000001660000-0x0000000003681000-memory.dmp
memory/752-56-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1172-57-0x0000000000200000-0x000000000023F000-memory.dmp
memory/752-58-0x0000000000400000-0x0000000001654000-memory.dmp
memory/1172-59-0x0000000000200000-0x000000000023F000-memory.dmp
memory/3532-60-0x0000000007070000-0x000000000718D000-memory.dmp
memory/4048-66-0x000001BE44F80000-0x000001BE4509C000-memory.dmp
Analysis: behavioral3
Detonation Overview
Submitted
2024-05-22 08:13
Reported
2024-05-22 08:15
Platform
win7-20240508-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 224
Network
Files
Analysis: behavioral4
Detonation Overview
Submitted
2024-05-22 08:13
Reported
2024-05-22 08:15
Platform
win10v2004-20240508-en
Max time kernel
139s
Max time network
123s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 5016 wrote to memory of 940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5016 wrote to memory of 940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5016 wrote to memory of 940 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 940 -ip 940
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 940 -s 620
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |