Analysis Overview
SHA256
c0db54d6ec9c0e2310d4c8bfd1739f079a0fd85adcf088ff8876f54485a61f2c
Threat Level: Known bad
The file 3d71f1e177234c396f2a5d7d852a2376.exe was found to be: Known bad.
Malicious Activity Summary
Dcrat family
DcRat
DCRat payload
DCRat payload
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Enumerates physical storage devices
Unsigned PE
Modifies registry class
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-15 21:26
Signatures
DCRat payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Dcrat family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-15 21:26
Reported
2024-05-15 21:28
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
149s
Command Line
Signatures
DcRat
DCRat payload
| Description | Indicator | Process | Target |
| 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-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation | C:\Windows\SysWOW64\WScript.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3228 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe | C:\Windows\SysWOW64\WScript.exe |
| PID 3228 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe | C:\Windows\SysWOW64\WScript.exe |
| PID 3228 wrote to memory of 4644 | N/A | C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe | C:\Windows\SysWOW64\WScript.exe |
| PID 4644 wrote to memory of 4228 | N/A | C:\Windows\SysWOW64\WScript.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4644 wrote to memory of 4228 | N/A | C:\Windows\SysWOW64\WScript.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4644 wrote to memory of 4228 | N/A | C:\Windows\SysWOW64\WScript.exe | C:\Windows\SysWOW64\cmd.exe |
| PID 4228 wrote to memory of 4428 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe |
| PID 4228 wrote to memory of 4428 | N/A | C:\Windows\SysWOW64\cmd.exe | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe
"C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\DCRAT\u3Ah4o8.vbe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\DCRAT\VmabnRVk3Q0Z4Rsmx4y.bat" "
C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe
"C:\Users\Admin\AppData\Roaming\\DCRAT\RAT.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | cz63343.tw1.ru | udp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| US | 8.8.8.8:53 | 232.247.114.185.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.121.18.2.in-addr.arpa | udp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
Files
C:\Users\Admin\AppData\Roaming\DCRAT\u3Ah4o8.vbe
| MD5 | d25609d0ea00bd9b4034f6c115d73176 |
| SHA1 | 9b4e9ce99da10017399de6ef8d9ac055f1f6fb5f |
| SHA256 | 1be67ff6caccef7bc37346582d6ee3ffec585ce4a139c23a4d8fa1a2cad0836e |
| SHA512 | c976d90d4b8f2d8aa7f8810e858acc13d51b2eb366fc1780145d24ded22fcb32c08bdb275db29d414cb217e4591fa821a42984149b1072660d28af2932348221 |
C:\Users\Admin\AppData\Roaming\DCRAT\VmabnRVk3Q0Z4Rsmx4y.bat
| MD5 | 6938225aa9b06be749c03e2ed1d0a8a1 |
| SHA1 | 9c18762161a7b0fb2ba460d649fa3797d6b048e3 |
| SHA256 | 298f4bc92dc502984c2b53207f096788fd77e095ca3f66a512a49ff2d8fd6b59 |
| SHA512 | 1be9139357b9ffe68a36bf4ba59141b9940ff5f54caa331bdcfe046f52a1f973542b54d2c383e9dea8ea01b4f3154d74d5c7a2af71910d9414ef79ff20d41327 |
C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe
| MD5 | 4cf21cf4fe938861269eee0dce7ab40a |
| SHA1 | 8edccf6b4ce1a73419d25632d9707d1e473bfedc |
| SHA256 | 267c6d4e9f47e320bc83d14ae62a3b3942b5bc52271981a62634be7859d3e41a |
| SHA512 | c5cdf840d65ab2e78480c1a172250696860a70953dade41463352d47f89183c40c15d0672c9268fea68711eb432ff5167189de0bac90fc83b81d563a808f2879 |
memory/4428-12-0x00007FFBA3163000-0x00007FFBA3165000-memory.dmp
memory/4428-13-0x0000000000800000-0x0000000000924000-memory.dmp
memory/4428-14-0x0000000001380000-0x000000000139C000-memory.dmp
memory/4428-16-0x000000001B500000-0x000000001B516000-memory.dmp
memory/4428-15-0x000000001BC20000-0x000000001BC70000-memory.dmp
memory/4428-17-0x00007FFBA3163000-0x00007FFBA3165000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-15 21:26
Reported
2024-05-15 21:28
Platform
win7-20240221-en
Max time kernel
119s
Max time network
148s
Command Line
Signatures
DcRat
DCRat payload
| Description | Indicator | Process | Target |
| 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\DCRAT\RAT.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe
"C:\Users\Admin\AppData\Local\Temp\3d71f1e177234c396f2a5d7d852a2376.exe"
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\DCRAT\u3Ah4o8.vbe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Roaming\DCRAT\VmabnRVk3Q0Z4Rsmx4y.bat" "
C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe
"C:\Users\Admin\AppData\Roaming\\DCRAT\RAT.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cz63343.tw1.ru | udp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
| RU | 185.114.247.232:80 | cz63343.tw1.ru | tcp |
Files
C:\Users\Admin\AppData\Roaming\DCRAT\u3Ah4o8.vbe
| MD5 | d25609d0ea00bd9b4034f6c115d73176 |
| SHA1 | 9b4e9ce99da10017399de6ef8d9ac055f1f6fb5f |
| SHA256 | 1be67ff6caccef7bc37346582d6ee3ffec585ce4a139c23a4d8fa1a2cad0836e |
| SHA512 | c976d90d4b8f2d8aa7f8810e858acc13d51b2eb366fc1780145d24ded22fcb32c08bdb275db29d414cb217e4591fa821a42984149b1072660d28af2932348221 |
C:\Users\Admin\AppData\Roaming\DCRAT\VmabnRVk3Q0Z4Rsmx4y.bat
| MD5 | 6938225aa9b06be749c03e2ed1d0a8a1 |
| SHA1 | 9c18762161a7b0fb2ba460d649fa3797d6b048e3 |
| SHA256 | 298f4bc92dc502984c2b53207f096788fd77e095ca3f66a512a49ff2d8fd6b59 |
| SHA512 | 1be9139357b9ffe68a36bf4ba59141b9940ff5f54caa331bdcfe046f52a1f973542b54d2c383e9dea8ea01b4f3154d74d5c7a2af71910d9414ef79ff20d41327 |
C:\Users\Admin\AppData\Roaming\DCRAT\RAT.exe
| MD5 | 4cf21cf4fe938861269eee0dce7ab40a |
| SHA1 | 8edccf6b4ce1a73419d25632d9707d1e473bfedc |
| SHA256 | 267c6d4e9f47e320bc83d14ae62a3b3942b5bc52271981a62634be7859d3e41a |
| SHA512 | c5cdf840d65ab2e78480c1a172250696860a70953dade41463352d47f89183c40c15d0672c9268fea68711eb432ff5167189de0bac90fc83b81d563a808f2879 |
memory/2692-13-0x00000000001B0000-0x00000000002D4000-memory.dmp
memory/2692-14-0x0000000000190000-0x00000000001AC000-memory.dmp
memory/2692-15-0x00000000003E0000-0x00000000003F6000-memory.dmp