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| File name: | remcos_a.exe |
| Full analysis: | https://app.any.run/tasks/22b8dd69-7c98-4b9c-adc1-8f3f65d5d345 |
| Verdict: | Malicious activity |
| Threats: | Remcos is a RAT type malware that attackers use to perform actions on infected machines remotely. This malware is extremely actively caped up to date with updates coming out almost every single month. |
| Analysis date: | August 12, 2022, 20:53:39 |
| 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: | E43F716C218213B6E162E0F855CF652F |
| SHA1: | 1DECCF0179C252001780D5F01F4E4B043CD3AAD8 |
| SHA256: | 78D7255D37C6F8D872EFEB84843DF3FE6806CF2B96636A85F8A30132B364C0E7 |
| SSDEEP: | 6144:hJ0kPsV0rFj6e1HPD0a+hwnmxGm77vtmFC+kFNnIN6NsAOZZiAX5cBLG75N:P0kUVo1voa0wnmh77v8FLkrsfZi875N |
MALICIOUS
REMCOS detected by memory dumps
- remcos_a.exe (PID: 1716)
SUSPICIOUS
Checks supported languages
- remcos_a.exe (PID: 1716)
Reads the computer name
- remcos_a.exe (PID: 1716)
Reads Environment values
- remcos_a.exe (PID: 1716)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0x31ca9 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 134144 |
| CodeSize: | 342528 |
| LinkerVersion: | 14 |
| PEType: | PE32 |
| TimeStamp: | 2022:08:10 00:59:45+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 09-Aug-2022 22:59:45 |
| Detected languages: |
|
DOS Header
| 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 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 7 |
| Time date stamp: | 09-Aug-2022 22:59:45 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x0005384B | 0x00053A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.61728 |
.rdata | 0x00055000 | 0x000171F2 | 0x00017200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.86249 |
.data | 0x0006D000 | 0x00005C24 | 0x00000E00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 2.96099 |
.tls | 0x00073000 | 0x00000009 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0.0203931 |
.gfids | 0x00074000 | 0x00000230 | 0x00000400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 2.38489 |
.rsrc | 0x00075000 | 0x00004B7C | 0x00004C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.99236 |
.reloc | 0x0007A000 | 0x00003940 | 0x00003A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.68568 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.38988 | 1128 | Latin 1 / Western European | English - United States | RT_ICON |
2 | 3.25192 | 2440 | Latin 1 / Western European | English - United States | RT_ICON |
3 | 3.13574 | 4264 | Latin 1 / Western European | English - United States | RT_ICON |
4 | 3.3891 | 9640 | Latin 1 / Western European | English - United States | RT_ICON |
123 | 2.62308 | 62 | Latin 1 / Western European | English - United States | RT_GROUP_ICON |
SETTINGS | 7.88431 | 1392 | Latin 1 / Western European | UNKNOWN | RT_RCDATA |
Imports
ADVAPI32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
SHLWAPI.dll |
USER32.dll |
WININET.dll |
WINMM.dll |
WS2_32.dll |
gdiplus.dll |
Total processes
33
Monitored processes
1
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 1716 | "C:\Users\admin\AppData\Local\Temp\remcos_a.exe" | C:\Users\admin\AppData\Local\Temp\remcos_a.exe | Explorer.EXE | |
User: admin Integrity Level: MEDIUM | ||||
Total events
165
Read events
163
Write events
2
Delete events
0
Modification events
| (PID) Process: | (1716) remcos_a.exe | Key: | HKEY_CURRENT_USER\Software\Rmc-RZZBLY |
| Operation: | write | Name: | exepath |
Value: 8D3B87FD09B9270A7B5C1006EC4BC3FD3D0AC003FDF1A0349FB1B66A5DD2699FF13E12AB6647F234D4451502F107CB608F47F67B00078A0BA34E44D52015596BBBFC3F99C41CF7EE30615C6D67540407B4E65DEF271B2D52CD84A1BF6979 | |||
| (PID) Process: | (1716) remcos_a.exe | Key: | HKEY_CURRENT_USER\Software\Rmc-RZZBLY |
| Operation: | write | Name: | licence |
Value: 43DE0C9F7F56A7B84B35E8D8EFF094C8 | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
2
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
DNS requests
Domain | IP | Reputation |
|---|---|---|
microsoftcorporation.ddns.net |
| unknown |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET POLICY DNS Query to DynDNS Domain *.ddns .net |