Analysis Overview
SHA256
d7cb77d326fe4234083d91674f2cfae0aacee10c93554d4ca2565ecbe4e39c4b
Threat Level: Known bad
The file d7cb77d326fe4234083d91674f2cfae0aacee10c93554d4ca2565ecbe4e39c4b was found to be: Known bad.
Malicious Activity Summary
NanoCore
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-11-26 23:49
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-11-26 23:49
Reported
2022-11-27 17:24
Platform
win7-20221111-en
Max time kernel
192s
Max time network
32s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
Loads dropped DLL
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\C:\Users\Admin\W4KGOI~1 = "C:\\Users\\Admin\\W4KGOI~1\\krnagboyghfo.vbs" | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1040 set thread context of 1172 | N/A | C:\Users\Admin\w4kgoi6994\iyrf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d7cb77d326fe4234083d91674f2cfae0aacee10c93554d4ca2565ecbe4e39c4b.exe
"C:\Users\Admin\AppData\Local\Temp\d7cb77d326fe4234083d91674f2cfae0aacee10c93554d4ca2565ecbe4e39c4b.exe"
C:\Users\Admin\w4kgoi6994\iyrf.exe
"C:\Users\Admin\w4kgoi6994\iyrf.exe" xqilbqxcfsa
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
Files
memory/1976-54-0x00000000760D1000-0x00000000760D3000-memory.dmp
\Users\Admin\w4kgoi6994\iyrf.exe
| MD5 | 71d8f6d5dc35517275bc38ebcc815f9f |
| SHA1 | cae4e8c730de5a01d30aabeb3e5cb2136090ed8d |
| SHA256 | fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b |
| SHA512 | 4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59 |
\Users\Admin\w4kgoi6994\iyrf.exe
| MD5 | 71d8f6d5dc35517275bc38ebcc815f9f |
| SHA1 | cae4e8c730de5a01d30aabeb3e5cb2136090ed8d |
| SHA256 | fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b |
| SHA512 | 4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59 |
\Users\Admin\w4kgoi6994\iyrf.exe
| MD5 | 71d8f6d5dc35517275bc38ebcc815f9f |
| SHA1 | cae4e8c730de5a01d30aabeb3e5cb2136090ed8d |
| SHA256 | fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b |
| SHA512 | 4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59 |
\Users\Admin\w4kgoi6994\iyrf.exe
| MD5 | 71d8f6d5dc35517275bc38ebcc815f9f |
| SHA1 | cae4e8c730de5a01d30aabeb3e5cb2136090ed8d |
| SHA256 | fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b |
| SHA512 | 4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59 |
memory/1040-59-0x0000000000000000-mapping.dmp
C:\Users\Admin\w4kgoi6994\iyrf.exe
| MD5 | 71d8f6d5dc35517275bc38ebcc815f9f |
| SHA1 | cae4e8c730de5a01d30aabeb3e5cb2136090ed8d |
| SHA256 | fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b |
| SHA512 | 4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59 |
C:\Users\Admin\w4kgoi6994\xqilbqxcfsa
| MD5 | fc69e314bb5ad845ae2b81d726bd2e19 |
| SHA1 | fec0b584913e276a692de2599737e2cf0ac506b2 |
| SHA256 | e56b1f8e00007744395262afb4289d054b3a39b1f313e1a9461032492d44f16e |
| SHA512 | d316d7e5f091f4d00b91181c78b3e11e7732ec3442df460749aace73be82eb6d1a2be9207af9668a44f0b7865231e5c1edae827f1ef3f3a2d6d661dabde83b01 |
C:\Users\Admin\W4KGOI~1\rzzadrap.OWJ
| MD5 | 032a73d538cf904ceb16feb2f316d122 |
| SHA1 | 94c953f3a69836e95172f851ffde4afd788bf31a |
| SHA256 | 01e4a41502a51e5afaa3ca4d262359c73bc04a23a15479fe60b727e105da7cf2 |
| SHA512 | 9923e2a5a399cd6ad7f969c1515b34ebc9c92203affdcdeff19565abd1b7887ffaf316b6b8097d721239435328f2675f0af02b1ccb61b038b3be65f00aa71d8d |
C:\Users\Admin\W4KGOI~1\psjr.FCK
| MD5 | d0dd7979a608f9f3fe5f659cf5d8d91f |
| SHA1 | d024262f5daddf1aec13b0fbb8443d3576fb3291 |
| SHA256 | 64fb9b94c9cc1224f232371fd790ac6ff92cc216e8828d5701acf37415c03222 |
| SHA512 | 0139ec01e90154ea0adef87381677cbe77aeca7d0d5f481862cbfaeface5628a98dd9a497a80038f0056a365857b9a9a781ee4e94e8ca96b0c08ff88dfd8c460 |
memory/1172-65-0x0000000000090000-0x000000000010C000-memory.dmp
memory/1172-68-0x00000000000AE792-mapping.dmp
memory/1172-70-0x0000000000090000-0x000000000010C000-memory.dmp
memory/1172-67-0x0000000000090000-0x000000000010C000-memory.dmp
memory/1172-72-0x0000000000090000-0x000000000010C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-11-26 23:49
Reported
2022-11-27 17:22
Platform
win10v2004-20220812-en
Max time kernel
156s
Max time network
157s
Command Line
Signatures
NanoCore
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\d7cb77d326fe4234083d91674f2cfae0aacee10c93554d4ca2565ecbe4e39c4b.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\C:\Users\Admin\W4KGOI~1 = "C:\\Users\\Admin\\W4KGOI~1\\krnagboyghfo.vbs" | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\w4kgoi6994\iyrf.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4892 set thread context of 2508 | N/A | C:\Users\Admin\w4kgoi6994\iyrf.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\d7cb77d326fe4234083d91674f2cfae0aacee10c93554d4ca2565ecbe4e39c4b.exe
"C:\Users\Admin\AppData\Local\Temp\d7cb77d326fe4234083d91674f2cfae0aacee10c93554d4ca2565ecbe4e39c4b.exe"
C:\Users\Admin\w4kgoi6994\iyrf.exe
"C:\Users\Admin\w4kgoi6994\iyrf.exe" xqilbqxcfsa
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| N/A | 52.168.117.170:443 | tcp | |
| N/A | 178.79.208.1:80 | tcp | |
| N/A | 178.79.208.1:80 | tcp | |
| N/A | 178.79.208.1:80 | tcp | |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.4.4:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.4.4:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.4.4:53 | apananco.no-ip.biz | udp |
| N/A | 5.254.112.21:1177 | tcp | |
| N/A | 5.254.112.21:1177 | tcp | |
| N/A | 5.254.112.21:1177 | tcp | |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.4.4:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.4.4:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.4.4:53 | apananco.no-ip.biz | udp |
| N/A | 8.8.8.8:53 | apananco.no-ip.biz | udp |
| N/A | 5.254.112.21:1177 | tcp |
Files
memory/4892-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\w4kgoi6994\iyrf.exe
| MD5 | 71d8f6d5dc35517275bc38ebcc815f9f |
| SHA1 | cae4e8c730de5a01d30aabeb3e5cb2136090ed8d |
| SHA256 | fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b |
| SHA512 | 4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59 |
C:\Users\Admin\w4kgoi6994\iyrf.exe
| MD5 | 71d8f6d5dc35517275bc38ebcc815f9f |
| SHA1 | cae4e8c730de5a01d30aabeb3e5cb2136090ed8d |
| SHA256 | fb73a819b37523126c7708a1d06f3b8825fa60c926154ab2d511ba668f49dc4b |
| SHA512 | 4826f45000ea50d9044e3ef11e83426281fbd5f3f5a25f9786c2e487b4cf26b04f6f900ca6e70440644c9d75f700a4c908ab6f398f59c65ee1bff85dfef4ce59 |
C:\Users\Admin\w4kgoi6994\xqilbqxcfsa
| MD5 | fc69e314bb5ad845ae2b81d726bd2e19 |
| SHA1 | fec0b584913e276a692de2599737e2cf0ac506b2 |
| SHA256 | e56b1f8e00007744395262afb4289d054b3a39b1f313e1a9461032492d44f16e |
| SHA512 | d316d7e5f091f4d00b91181c78b3e11e7732ec3442df460749aace73be82eb6d1a2be9207af9668a44f0b7865231e5c1edae827f1ef3f3a2d6d661dabde83b01 |
C:\Users\Admin\W4KGOI~1\rzzadrap.OWJ
| MD5 | 032a73d538cf904ceb16feb2f316d122 |
| SHA1 | 94c953f3a69836e95172f851ffde4afd788bf31a |
| SHA256 | 01e4a41502a51e5afaa3ca4d262359c73bc04a23a15479fe60b727e105da7cf2 |
| SHA512 | 9923e2a5a399cd6ad7f969c1515b34ebc9c92203affdcdeff19565abd1b7887ffaf316b6b8097d721239435328f2675f0af02b1ccb61b038b3be65f00aa71d8d |
C:\Users\Admin\W4KGOI~1\psjr.FCK
| MD5 | d0dd7979a608f9f3fe5f659cf5d8d91f |
| SHA1 | d024262f5daddf1aec13b0fbb8443d3576fb3291 |
| SHA256 | 64fb9b94c9cc1224f232371fd790ac6ff92cc216e8828d5701acf37415c03222 |
| SHA512 | 0139ec01e90154ea0adef87381677cbe77aeca7d0d5f481862cbfaeface5628a98dd9a497a80038f0056a365857b9a9a781ee4e94e8ca96b0c08ff88dfd8c460 |
memory/2508-138-0x0000000000000000-mapping.dmp
memory/2508-139-0x0000000001030000-0x00000000010AC000-memory.dmp
memory/2508-140-0x0000000005A70000-0x0000000006014000-memory.dmp
memory/2508-141-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/2508-142-0x00000000056A0000-0x000000000573C000-memory.dmp
memory/2508-143-0x0000000005610000-0x000000000561A000-memory.dmp