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 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2712 | "C:\Users\admin\AppData\Local\Temp\DCRatBuild.exe" | C:\Users\admin\AppData\Local\Temp\DCRatBuild.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
2592 | "C:\Windows\System32\WScript.exe" "C:\bridgeblockServerinto\hvxEi4Uj0Dr8el9VXfE3zJgWfC.vbe" | C:\Windows\System32\wscript.exe | — | DCRatBuild.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.8.7600.16385 Modules
| |||||||||||||||
3588 | C:\Windows\system32\cmd.exe /c ""C:\bridgeblockServerinto\PS8U0fv2gBtcPzImR.bat" " | C:\Windows\System32\cmd.exe | — | wscript.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
3712 | "C:\bridgeblockServerinto\java.exe" | C:\bridgeblockServerinto\java.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 5.15.2.0 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
| |||||||||||||||
2676 | schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:/Users/admin/AppData/Local/\cmd.exe'" /rl HIGHEST /f | C:\Windows\System32\schtasks.exe | — | WmiPrvSE.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
2804 | schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 13 /tr "'C:/Users/admin/AppData/Local/\cmd.exe'" /rl HIGHEST /f | C:\Windows\System32\schtasks.exe | — | WmiPrvSE.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Manages scheduled tasks Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
2976 | C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\U8oVTRSfzF.bat" " | C:\Windows\System32\cmd.exe | — | java.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
| |||||||||||||||
2568 | 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
| |||||||||||||||
3132 | "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
|
(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\java.exe | executable | |
MD5:61132AD594A8D9F78FC648134C62A74A | SHA256:540603A3B8AF1E15D725E2EAEC9567C40B5B654EC66B8E3F01F5D63C3604631E | |||
2712 | DCRatBuild.exe | C:\bridgeblockServerinto\PS8U0fv2gBtcPzImR.bat | text | |
MD5:CECB543F82D744EB77B8BF22C26B3686 | SHA256:8825B2F9EC840686A616FC4EFC153B64C5D4073B55BE40F91D83F372D4279E24 | |||
3712 | java.exe | C:\Users\admin\AppData\Local\ebf1f9fa8afd6d | text | |
MD5:03DDF49C1AE8F60AFD4EA35017238A77 | SHA256:559DA3388774514230423CCC5E8C481081D8ADA962E1723EA5BCCE9702935D7F | |||
3132 | cmd.exe | C:\Users\admin\AppData\Local\Temp\jYpi0ge6kq | text | |
MD5:0793243B3858CCA8D492BBA9EA3A8DAC | SHA256:62448FFC4575CA65F96B8EFCA71095473C38449906B12901748F04DF1F03187A | |||
3712 | java.exe | C:\Users\admin\AppData\Local\Temp\U8oVTRSfzF.bat | text | |
MD5:961A7F1BFB7515DE9BD2B0E802C9F2D7 | SHA256:9833AD15A6104D38164C288CDE4E7BB676786E4296B78FCFE036AC0F627E2C52 | |||
3712 | java.exe | C:\Users\admin\AppData\Local\Temp\FV1wR5QTQW | text | |
MD5:C4500ACA7485645188A5D685884141D4 | SHA256:E3848D357CA698500FFDA52D3814A7DA22EE7358F2544BEF7EC0A33E17A06FA4 | |||
2712 | DCRatBuild.exe | C:\bridgeblockServerinto\hvxEi4Uj0Dr8el9VXfE3zJgWfC.vbe | vbe | |
MD5:CC23A3CA9BE7754E9B0C7031858E1E1A | SHA256:3F446195BA94653C9B6F476474DFDF347D5FB246251563C41FA5C52662FD5F17 | |||
3132 | cmd.exe | C:\Users\admin\AppData\Local\Temp\i32OxRBhll.bat | text | |
MD5:CE8DFF9C7F343D5CEB141FE8AD46E085 | SHA256:07DC87085CD083F2D01B71C3B9BA7E23BF97F2EFC8DB44D5364D29BABA3ADEA0 | |||
1872 | cmd.exe | C:\Users\admin\AppData\Local\Temp\4oJokgKWVw.bat | text | |
MD5:E28337538C97C27BF3702A3FB7610064 | SHA256:081681483020F1453C079566E6C369708A99916B9E3B7AC22A43B5A5EE248571 | |||
1048 | cmd.exe | C:\Users\admin\AppData\Local\Temp\AXFqcUy7ES.bat | text | |
MD5:268E5AB0A606C1D379C65ED6118731DB | SHA256:2AD4FE641EAA0A176F5B5DA28814965BCBB60F08B61DD440075FF3C59AF74C05 |