Analysis Overview
SHA256
b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09
Threat Level: Known bad
The file b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe was found to be: Known bad.
Malicious Activity Summary
BlackNET Payload
Blacknet family
Contains code to disable Windows Defender
BlackNET
Adds Run key to start application
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-04-09 01:18
Signatures
BlackNET Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Blacknet family
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-04-09 01:18
Reported
2022-04-09 01:31
Platform
win7-20220311-en
Max time kernel
4294073s
Max time network
149s
Command Line
Signatures
BlackNET
BlackNET Payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Contains code to disable Windows Defender
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\df7427b5e05183e625345c3c37ef31c0 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe" | C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
"C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | finalb.xyz | udp |
Files
memory/1760-55-0x0000000001FF0000-0x0000000001FF2000-memory.dmp
memory/1760-54-0x000007FEF2D00000-0x000007FEF3D96000-memory.dmp
memory/1760-56-0x0000000001FF6000-0x0000000002015000-memory.dmp
memory/1760-57-0x000000000202C000-0x000000000202E000-memory.dmp
memory/1760-58-0x000000000201C000-0x0000000002027000-memory.dmp
memory/1760-59-0x000000000202C000-0x000000000202F000-memory.dmp
memory/1760-60-0x0000000002021000-0x000000000202A000-memory.dmp
memory/1760-62-0x000000000202E000-0x0000000002030000-memory.dmp
memory/1760-63-0x0000000002031000-0x0000000002033000-memory.dmp
memory/1760-61-0x0000000002039000-0x000000000203B000-memory.dmp
memory/1760-64-0x000000000201B000-0x0000000002020000-memory.dmp
memory/1760-65-0x0000000002022000-0x0000000002026000-memory.dmp
memory/1760-66-0x0000000002037000-0x000000000203A000-memory.dmp
memory/1760-67-0x0000000002025000-0x000000000202D000-memory.dmp
memory/1760-68-0x000000000203B000-0x000000000203D000-memory.dmp
memory/1760-69-0x0000000002043000-0x0000000002047000-memory.dmp
memory/1760-70-0x000000000204F000-0x0000000002053000-memory.dmp
memory/1760-71-0x0000000002057000-0x000000000205B000-memory.dmp
memory/1760-72-0x0000000002067000-0x0000000002070000-memory.dmp
memory/1760-73-0x000000000201C000-0x0000000002020000-memory.dmp
memory/1760-74-0x000000000203D000-0x000000000203F000-memory.dmp
memory/1760-75-0x0000000002033000-0x0000000002035000-memory.dmp
memory/1760-76-0x0000000002035000-0x0000000002037000-memory.dmp
memory/1760-77-0x0000000002037000-0x0000000002039000-memory.dmp
memory/1760-78-0x0000000002031000-0x0000000002034000-memory.dmp
memory/1760-79-0x0000000002029000-0x000000000202F000-memory.dmp
memory/1760-80-0x0000000002031000-0x0000000002034000-memory.dmp
memory/1760-81-0x000000000203F000-0x0000000002042000-memory.dmp
memory/1760-82-0x000000000202B000-0x000000000202F000-memory.dmp
memory/1760-84-0x0000000002047000-0x000000000204B000-memory.dmp
memory/1760-83-0x000000000203F000-0x0000000002043000-memory.dmp
memory/1760-85-0x000000000204B000-0x000000000204F000-memory.dmp
memory/1760-86-0x0000000002053000-0x0000000002057000-memory.dmp
memory/1760-87-0x0000000002043000-0x000000000204A000-memory.dmp
memory/1760-89-0x000000000205F000-0x0000000002067000-memory.dmp
memory/1760-88-0x000000000205B000-0x000000000205F000-memory.dmp
memory/1836-90-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
| MD5 | c4f79edc4498c5570495bb36fc942134 |
| SHA1 | 00046b588252502480e8e708a22d25ae1d9b05fa |
| SHA256 | b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09 |
| SHA512 | 07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef |
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
| MD5 | c4f79edc4498c5570495bb36fc942134 |
| SHA1 | 00046b588252502480e8e708a22d25ae1d9b05fa |
| SHA256 | b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09 |
| SHA512 | 07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef |
memory/1836-93-0x000007FEF2D00000-0x000007FEF3D96000-memory.dmp
memory/1836-94-0x0000000000590000-0x0000000000592000-memory.dmp
memory/1836-95-0x0000000000596000-0x00000000005B5000-memory.dmp
memory/1836-98-0x00000000005D1000-0x00000000005D3000-memory.dmp
memory/1836-97-0x00000000005CF000-0x00000000005D1000-memory.dmp
memory/1836-96-0x00000000005CD000-0x00000000005CF000-memory.dmp
memory/1836-99-0x00000000005D3000-0x00000000005D5000-memory.dmp
memory/1508-100-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
| MD5 | 89dd6e72358a669b7d6e2348307a7af7 |
| SHA1 | 0db348f3c6114a45d71f4d218e0e088b71c7bb0a |
| SHA256 | ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e |
| SHA512 | 93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b |
C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
| MD5 | 89dd6e72358a669b7d6e2348307a7af7 |
| SHA1 | 0db348f3c6114a45d71f4d218e0e088b71c7bb0a |
| SHA256 | ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e |
| SHA512 | 93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b |
memory/1508-103-0x000007FEF2D00000-0x000007FEF3D96000-memory.dmp
memory/1508-105-0x00000000005F6000-0x0000000000615000-memory.dmp
memory/1508-104-0x00000000005F0000-0x00000000005F2000-memory.dmp
memory/1836-106-0x00000000005D7000-0x00000000005D9000-memory.dmp
memory/1836-107-0x00000000005DD000-0x00000000005DF000-memory.dmp
memory/1836-108-0x00000000005E1000-0x00000000005E5000-memory.dmp
memory/1836-109-0x00000000005E5000-0x00000000005E9000-memory.dmp
memory/1836-110-0x00000000005E9000-0x00000000005ED000-memory.dmp
memory/1836-112-0x00000000005C3000-0x00000000005C6000-memory.dmp
memory/1836-111-0x00000000005ED000-0x00000000005F1000-memory.dmp
memory/1836-113-0x00000000005F1000-0x00000000005F5000-memory.dmp
memory/1836-114-0x00000000005E9000-0x00000000005EC000-memory.dmp
memory/1836-115-0x00000000005C3000-0x00000000005C6000-memory.dmp
memory/1836-116-0x00000000005C9000-0x00000000005CC000-memory.dmp
memory/1836-117-0x00000000005C3000-0x00000000005C6000-memory.dmp
memory/1836-118-0x00000000005C0000-0x00000000005C2000-memory.dmp
memory/1836-119-0x00000000005D5000-0x00000000005E4000-memory.dmp
memory/1836-120-0x00000000005C8000-0x00000000005CA000-memory.dmp
memory/1836-121-0x00000000005CF000-0x00000000005D2000-memory.dmp
memory/1836-122-0x00000000005C3000-0x00000000005C6000-memory.dmp
memory/1836-123-0x00000000005D5000-0x00000000005E4000-memory.dmp
memory/1836-124-0x00000000005C3000-0x00000000005C6000-memory.dmp
memory/1836-125-0x00000000005CF000-0x00000000005D4000-memory.dmp
memory/1836-126-0x00000000005CF000-0x00000000005D1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-04-09 01:18
Reported
2022-04-09 01:30
Platform
win10v2004-20220331-en
Max time kernel
162s
Max time network
185s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4868 wrote to memory of 3832 | N/A | C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe | C:\Windows\system32\fondue.exe |
| PID 4868 wrote to memory of 3832 | N/A | C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe | C:\Windows\system32\fondue.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
"C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
C:\Windows\system32\fondue.exe
"C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
Network
| Country | Destination | Domain | Proto |
| RU | 23.196.236.89:80 | tcp | |
| US | 52.168.117.169:443 | tcp | |
| FI | 62.115.252.112:80 | tcp | |
| FI | 62.115.252.112:80 | tcp | |
| FI | 62.115.252.112:80 | tcp | |
| US | 52.152.108.96:443 | tcp | |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | crl4.digicert.com | udp |
| US | 93.184.220.29:80 | crl4.digicert.com | tcp |
| US | 8.8.8.8:53 | 226.101.242.52.in-addr.arpa | udp |
Files
memory/3832-124-0x0000000000000000-mapping.dmp