Analysis Overview
SHA256
a754a7dd4fa2ad3f52aefe67444d38504e17da934f70a950fbe37fa371b74770
Threat Level: Known bad
The file 232b207bb6bf55bd615ae02f4d176c48 was found to be: Known bad.
Malicious Activity Summary
Orcus family
Orcus main payload
Orcurs Rat Executable
Orcus
Orcurs Rat Executable
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-31 01:42
Signatures
Orcurs Rat Executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Orcus family
Orcus main payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-31 01:42
Reported
2024-01-01 19:20
Platform
win7-20231129-en
Max time kernel
150s
Max time network
119s
Command Line
Signatures
Orcus
Orcus main payload
| 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 |
Orcurs Rat Executable
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe
"C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe"
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
"C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe"
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 1704
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 1704
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
Files
memory/2220-0-0x0000000001090000-0x0000000001178000-memory.dmp
memory/2220-1-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2220-2-0x00000000005A0000-0x00000000005E0000-memory.dmp
memory/2220-3-0x0000000000470000-0x000000000047E000-memory.dmp
memory/2220-4-0x00000000007B0000-0x000000000080C000-memory.dmp
memory/2220-5-0x0000000000A70000-0x0000000000A82000-memory.dmp
\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 232b207bb6bf55bd615ae02f4d176c48 |
| SHA1 | 278a188a095c6232bd7570e97fae80b1c4041c4c |
| SHA256 | a754a7dd4fa2ad3f52aefe67444d38504e17da934f70a950fbe37fa371b74770 |
| SHA512 | 2f728ac3f0365bb0f4e803fef9a33fc921565c228de30741301b58bcbf0fcc1cf2295e4bf7773fb9e7764782b450a41d813c09bbecfb44987e20a370f66e64fe |
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 144c635f7a75097a586fffee6f827f20 |
| SHA1 | ba3762f3b2f1ccf55ce6cc6aacf20cf9642b9733 |
| SHA256 | 95019d9b003bfa352908a04f4b9e5ca7c73be0f567489a894b0e5b71ea13a670 |
| SHA512 | 5f612e308216b26822f1a8b7721335c82cd2a3be068656e039877747447b36a0558875d24cd3926e63c9259ef5107264a0d355523def32dc5faf3901bc7de71f |
memory/1704-18-0x0000000001FA0000-0x0000000001FE0000-memory.dmp
memory/1704-19-0x0000000004650000-0x000000000469E000-memory.dmp
memory/1704-17-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2220-16-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/1704-20-0x0000000004200000-0x0000000004218000-memory.dmp
memory/1704-21-0x0000000004230000-0x0000000004240000-memory.dmp
memory/2568-31-0x00000000002E0000-0x00000000002E8000-memory.dmp
memory/2568-34-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2568-36-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/2064-35-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/1704-15-0x00000000008A0000-0x0000000000988000-memory.dmp
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 7164e1909e4f6bc6eda1c5b255731b98 |
| SHA1 | 7470620b4864ef63156960d24d7bd05d62c61653 |
| SHA256 | 454b55589675cf493b2c06b39f35e36e76de193ee901af27450cc50825b1f3e7 |
| SHA512 | 5232e1a1c462a043e47dfc90a5bec559a30ea39a229ce72ae15e5fa7d45f720a28aa6f56546fac8a092d2c4cde798e5172b03ebbfcf65c82825be1b1ac324ca5 |
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/1704-37-0x0000000073F10000-0x00000000745FE000-memory.dmp
memory/1704-38-0x0000000001FA0000-0x0000000001FE0000-memory.dmp
memory/2064-39-0x0000000073F10000-0x00000000745FE000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-12-31 01:42
Reported
2024-01-01 19:26
Platform
win10v2004-20231215-en
Max time kernel
186s
Max time network
195s
Command Line
Signatures
Orcus
Orcus main payload
| 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 |
Orcurs Rat Executable
| 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 |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Watchdog.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe
"C:\Users\Admin\AppData\Local\Temp\232b207bb6bf55bd615ae02f4d176c48.exe"
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
"C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe"
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 1060
C:\Users\Admin\AppData\Roaming\Watchdog.exe
"C:\Users\Admin\AppData\Roaming\Watchdog.exe" /watchProcess "C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe" 1060
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 57.110.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | 167.109.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 53.179.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | 88.16.208.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | nanonana24.ddns.net | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
Files
memory/4400-0-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4400-1-0x0000000000130000-0x0000000000218000-memory.dmp
memory/4400-2-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
memory/4400-4-0x0000000004A40000-0x0000000004A9C000-memory.dmp
memory/4400-3-0x0000000004A30000-0x0000000004A3E000-memory.dmp
memory/4400-6-0x0000000004BE0000-0x0000000004C72000-memory.dmp
memory/4400-5-0x00000000052A0000-0x0000000005844000-memory.dmp
memory/4400-7-0x0000000004BC0000-0x0000000004BD2000-memory.dmp
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 46890f9999a711370b9bb3348295ed6b |
| SHA1 | ebe15dd0fad3aa578c99e15eba9814eacf488140 |
| SHA256 | c0c7fd51a2a45d5c4c51a8832a4076ea4c83d2933e6dde7c845b75ccf734e275 |
| SHA512 | 55264269e2620a1da8715337725c1b65bd5ef39fc0b6e0e0c4b956a0884e27debb84476ab2746537e370bc0888cf6201e71538ada1868f925056900882b64b4f |
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 268dc2a0e14d85723bb9ddaf9b3eb2fe |
| SHA1 | 701febff367d79c3bb8d0b47646381e4658b3450 |
| SHA256 | 06fac580c609ae4157c36c07e453d0564b607bd1f094f8a8abcbeeeb5c77f202 |
| SHA512 | c5f7164b1a2ca2f0444f38613b8d765261339f3d6a69fc7ef8823fa9a0593206544b2acf93bb8e99d1dae07d8470660f109c6489fef98c02331edce5f5ad4b2e |
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe.config
| MD5 | a2b76cea3a59fa9af5ea21ff68139c98 |
| SHA1 | 35d76475e6a54c168f536e30206578babff58274 |
| SHA256 | f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839 |
| SHA512 | b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad |
memory/4400-22-0x0000000075010000-0x00000000757C0000-memory.dmp
C:\Users\Admin\AppData\Roaming\Pix\Winlogon.exe
| MD5 | 7cb50a17e0a0163c726118e469b1cf86 |
| SHA1 | 75d9836651284310690c716cd4e95e315533045f |
| SHA256 | 3da804242be070aef3b6d698acd47cd60a2cbc5b3d43f59a1dcb093660d4ef2d |
| SHA512 | 951c15b51ce16a367d88b771d5ec97c653b4d561cc33a7be1bb5de8302f521f699dc38822ee40165220722bb00b689332062d0c1e585a320d1b9b182b92b1292 |
memory/1060-24-0x0000000005340000-0x0000000005350000-memory.dmp
memory/1060-23-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1060-25-0x0000000005790000-0x00000000057DE000-memory.dmp
memory/1060-26-0x0000000005820000-0x0000000005838000-memory.dmp
memory/1060-27-0x0000000005880000-0x0000000005898000-memory.dmp
memory/1060-28-0x00000000058E0000-0x00000000058F0000-memory.dmp
memory/1060-29-0x0000000006440000-0x000000000644A000-memory.dmp
C:\Users\Admin\AppData\Roaming\Watchdog.exe
| MD5 | 913967b216326e36a08010fb70f9dba3 |
| SHA1 | 7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf |
| SHA256 | 8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a |
| SHA512 | c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33 |
memory/3268-43-0x0000000000FF0000-0x0000000000FF8000-memory.dmp
memory/3268-44-0x0000000075010000-0x00000000757C0000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Watchdog.exe.log
| MD5 | 4eaca4566b22b01cd3bc115b9b0b2196 |
| SHA1 | e743e0792c19f71740416e7b3c061d9f1336bf94 |
| SHA256 | 34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb |
| SHA512 | bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1 |
memory/3268-49-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/2324-48-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1060-50-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1060-51-0x0000000005340000-0x0000000005350000-memory.dmp
memory/2324-52-0x0000000075010000-0x00000000757C0000-memory.dmp