| File name: | DCRatBuild.exe |
| Full analysis: | https://app.any.run/tasks/57f42636-78b0-4a30-8db2-385f51df95d5 |
| Verdict: | Malicious activity |
| Analysis date: | March 31, 2023, 21:42:00 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 7F853A0EEFAF7E2067B257FB1D13B9BC |
| SHA1: | C88BBFF0FA4643EBF3EB0E58C6EE383733566778 |
| SHA256: | ED6DA048E8C3DC1D4B0A2A1E74F337D9AC89A98FB3ED9BF08A799F039ACFB39C |
| SSDEEP: | 24576:U2G/nvxW3Ww0t5q2nFgM9rngUxULzU3Ez8RAzRkjijarV7DnPVaMF:UbA305qGFgOgiMvzRktrpN7 |
| .exe | | | Win32 Executable (generic) (52.9) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (23.5) |
| .exe | | | DOS Executable Generic (23.5) |
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0x1ec40 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 255488 |
| CodeSize: | 201216 |
| LinkerVersion: | 14 |
| PEType: | PE32 |
| ImageFileCharacteristics: | Executable, 32-bit |
| TimeStamp: | 2020:12:01 18:00:55+00:00 |
| MachineType: | Intel 386 or later, and compatibles |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 01-Dec-2020 18:00:55 |
| Detected languages: |
|
| Debug artifacts: |
|
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x00000118 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 6 |
| Time date stamp: | 01-Dec-2020 18:00:55 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x000310EA | 0x00031200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.70808 |
.rdata | 0x00033000 | 0x0000A612 | 0x0000A800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.22174 |
.data | 0x0003E000 | 0x00023728 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.70882 |
.didat | 0x00062000 | 0x00000188 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 3.29825 |
.rsrc | 0x00063000 | 0x0000DFD0 | 0x0000E000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 6.63675 |
.reloc | 0x00071000 | 0x00002268 | 0x00002400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.55486 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.25329 | 1875 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 5.10026 | 2216 | UNKNOWN | English - United States | RT_ICON |
3 | 5.25868 | 3752 | UNKNOWN | English - United States | RT_ICON |
4 | 5.02609 | 1128 | UNKNOWN | English - United States | RT_ICON |
5 | 5.18109 | 4264 | UNKNOWN | English - United States | RT_ICON |
6 | 5.04307 | 9640 | UNKNOWN | English - United States | RT_ICON |
7 | 3.1586 | 482 | UNKNOWN | English - United States | RT_STRING |
8 | 3.11685 | 460 | UNKNOWN | English - United States | RT_STRING |
9 | 3.11236 | 440 | UNKNOWN | English - United States | RT_STRING |
10 | 2.99727 | 326 | UNKNOWN | English - United States | RT_STRING |
KERNEL32.dll |
USER32.dll (delay-loaded) |
gdiplus.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 988 | w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2 | C:\Windows\System32\w32tm.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Time Service Diagnostic Tool Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1020 | w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2 | C:\Windows\System32\w32tm.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Time Service Diagnostic Tool Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1048 | "C:\Users\admin\AppData\Local\cmd.exe" | C:\Users\admin\AppData\Local\cmd.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 5.15.2.0 Modules
| |||||||||||||||
| 1352 | C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\mv5UKbIUPK.bat" " | C:\Windows\System32\cmd.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1640 | C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\g1eT93LUFj.bat" " | C:\Windows\System32\cmd.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1704 | "C:\Users\admin\AppData\Local\cmd.exe" | C:\Users\admin\AppData\Local\cmd.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 5.15.2.0 Modules
| |||||||||||||||
| 1872 | "C:\Users\admin\AppData\Local\cmd.exe" | C:\Users\admin\AppData\Local\cmd.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 5.15.2.0 Modules
| |||||||||||||||
| 1872 | "C:\Users\admin\AppData\Local\cmd.exe" | C:\Users\admin\AppData\Local\cmd.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 5.15.2.0 Modules
| |||||||||||||||
| 2064 | w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2 | C:\Windows\System32\w32tm.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Time Service Diagnostic Tool Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2248 | schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:/Users/admin/AppData/Local/\cmd.exe'" /f | C:\Windows\System32\schtasks.exe | — | WmiPrvSE.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| (PID) Process: | (2712) DCRatBuild.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2712) DCRatBuild.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2712) DCRatBuild.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2712) DCRatBuild.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2592) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2592) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2592) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2592) wscript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3712) java.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System |
| Operation: | write | Name: | EnableLUA |
Value: 1 | |||
| (PID) Process: | (3712) java.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon |
| Operation: | write | Name: | Shell |
Value: explorer.exe | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2712 | DCRatBuild.exe | C:\bridgeblockServerinto\PS8U0fv2gBtcPzImR.bat | text | |
MD5:— | SHA256:— | |||
| 3712 | java.exe | C:\Users\admin\AppData\Local\ebf1f9fa8afd6d | text | |
MD5:— | SHA256:— | |||
| 2712 | DCRatBuild.exe | C:\bridgeblockServerinto\java.exe | executable | |
MD5:— | SHA256:— | |||
| 2712 | DCRatBuild.exe | C:\bridgeblockServerinto\hvxEi4Uj0Dr8el9VXfE3zJgWfC.vbe | vbe | |
MD5:— | SHA256:— | |||
| 3712 | java.exe | C:\Users\admin\AppData\Local\cmd.exe | executable | |
MD5:— | SHA256:— | |||
| 3712 | java.exe | C:\Users\admin\AppData\Local\Temp\396e346e1a09fceaf9162452cb5fe10a142019a94.5.3249737b5d65d95a4b89ba49aae47e083de55e52bc | text | |
MD5:— | SHA256:— | |||
| 1048 | cmd.exe | C:\Users\admin\AppData\Local\Temp\AXFqcUy7ES.bat | text | |
MD5:— | SHA256:— | |||
| 3024 | cmd.exe | C:\Users\admin\AppData\Local\Temp\hC9SSnetfo.bat | text | |
MD5:— | SHA256:— | |||
| 1704 | cmd.exe | C:\Users\admin\AppData\Local\Temp\b9aNmsEibB.bat | text | |
MD5:— | SHA256:— | |||
| 3520 | cmd.exe | C:\Users\admin\AppData\Local\Temp\g1eT93LUFj.bat | text | |
MD5:— | SHA256:— | |||