| File name: | cb.exe |
| Full analysis: | https://app.any.run/tasks/d6742ed9-6cc0-486a-8062-356440ba7ed5 |
| Verdict: | Malicious activity |
| Threats: | Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks. |
| Analysis date: | May 15, 2019, 11:20:23 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | C3EE35FC9DAE9DF6A59828D05218F615 |
| SHA1: | A0B608B709611A49BE4768F06816E2E00BCA0226 |
| SHA256: | BC81E142C758EB8F77E34BCD1D825CE289DF939B4E4E04D4475106EACC46D8E3 |
| SSDEEP: | 1536:bgp4qe2X5rrBZ+Cxs/50N7m9Qiz6BE2RVMGbDJj1Z5aZR:iewDMh+m9ynRVMGpzEZR |
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:08:15 01:31:56+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 9 |
| CodeSize: | 58368 |
| InitializedDataSize: | 638976 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x13fe |
| OSVersion: | 5 |
| ImageVersion: | - |
| SubsystemVersion: | 5 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Unknown (0x40444) |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Unknown (5685) |
| CharacterSet: | Unknown (684B0) |
| FileVersion: | 1.0.0.11 |
| InternalName: | ghyk.uxe |
| LegalCopyright: | Copyright (C) 2019, frgdsjgj |
| ProductVersion: | 1.0.0.11 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 14-Aug-2018 23:31:56 |
| FileVersion: | 1.0.0.11 |
| InternalName: | ghyk.uxe |
| LegalCopyright: | Copyright (C) 2019, frgdsjgj |
| ProductVersion: | 1.0.0.11 |
| 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: | 0x000000F0 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 14-Aug-2018 23:31:56 |
| 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 | 0x0000E308 | 0x0000E400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.99235 |
.rdata | 0x00010000 | 0x00001D48 | 0x00001E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.5109 |
.data | 0x00012000 | 0x000923DC | 0x00002200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.15587 |
.rsrc | 0x000A5000 | 0x000076E0 | 0x00007800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.19939 |
.reloc | 0x000AD000 | 0x000013DE | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 3.53462 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.30494 | 480 | UNKNOWN | UNKNOWN | RT_VERSION |
2 | 5.28437 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 5.93177 | 1736 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 5.0812 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 4.21149 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 5.22214 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 5.12321 | 2440 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 5.19371 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
12 | 3.32576 | 1128 | UNKNOWN | UNKNOWN | RT_STRING |
14 | 3.24832 | 1454 | UNKNOWN | UNKNOWN | RT_STRING |
KERNEL32.dll |
USER32.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2564 | "C:\Users\admin\AppData\Local\Temp\cb.exe" | C:\Users\admin\AppData\Local\Temp\cb.exe | cb.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3276 | "C:\Users\admin\AppData\Local\Temp\cb.exe" | C:\Users\admin\AppData\Local\Temp\cb.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2564) cb.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\cb_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2564 | cb.exe | GET | 200 | 37.1.192.68:12890 | http://37.1.192.68:12890/fwlink | DE | — | — | malicious |
2564 | cb.exe | GET | 200 | 37.1.192.68:12890 | http://37.1.192.68:12890/7Hyd | DE | executable | 206 Kb | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2564 | cb.exe | 37.1.192.68:12890 | — | Leaseweb Deutschland GmbH | DE | malicious |
PID | Process | Class | Message |
|---|---|---|---|
2564 | cb.exe | Potential Corporate Privacy Violation | ET POLICY PE EXE or DLL Windows file download HTTP |
2564 | cb.exe | A Network Trojan was detected | MALWARE [PTsecurity] Cobalt Strike Beacon Observed |