MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3b6f13caf1fff58da3a4ba290b6d7f2f4ef496517b0adc066137dc97e2ac7457. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
RemcosRAT
Vendor detections: 14
| SHA256 hash: | 3b6f13caf1fff58da3a4ba290b6d7f2f4ef496517b0adc066137dc97e2ac7457 |
|---|---|
| SHA3-384 hash: | 52eba22e868dac82f38a5a266a5696bdc340d1e89dce5ed4a334fcfd11271925dd9d596a350ad677e9882b50d77b6bba |
| SHA1 hash: | 368fe6569d723c0b54a63a0c308cd648f35bdcc1 |
| MD5 hash: | 591f8f7f1f6fd6a7f723bdc73253fcae |
| humanhash: | xray-ohio-summer-kentucky |
| File name: | 591f8f7f1f6fd6a7f723bdc73253fcae |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 2'448'384 bytes |
| First seen: | 2022-12-05 09:46:02 UTC |
| Last seen: | 2022-12-05 11:31:39 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 49152:XHmN3mosk90948L+g+ok5tAQXhcqb8pdEDzyjHr2IvMAzlTu2Qidl5pBax:XHw3XsL+g+zAQfZiLtvMAzJuepBa |
| TLSH | T1F1B533D6E9A056BBC9BBCDB085F79E17E2526C72A06D87003CCAB523573834586D720F |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
591f8f7f1f6fd6a7f723bdc73253fcae
Verdict:
Malicious activity
Analysis date:
2022-12-05 14:43:11 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Quasar RAT
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2022-12-05 09:47:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:mercy collection rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
mazhararyousaf.ddns.net:52046
Unpacked files
SH256 hash:
be9201f64412c09858483ae4561c49534033e623416b44b94bf79687d33c79f9
MD5 hash:
b1713c5299622b4e2e08d737049bab67
SHA1 hash:
fd17e517b92ebe2d50b6c4c4c734216e057564a6
SH256 hash:
49e2bfa8e833e4a7a5fa17b0924cc04eb4b8d111af279714724c990d83c7e1ea
MD5 hash:
7564cb40ea619ad205f456659883473c
SHA1 hash:
09cecd2cc7446b87bcdd9da3ae7da769b508cd66
SH256 hash:
cafa053cb6f1f8de3c56b880ae54c22ff6571ad370d855b4b54456b6166db661
MD5 hash:
3fa469900f554809344d1dacc9cd0b31
SHA1 hash:
0536804e9cff21d600810f1e8a630738b3cac2c3
Detections:
Remcos
win_remcos_auto
SH256 hash:
3b6f13caf1fff58da3a4ba290b6d7f2f4ef496517b0adc066137dc97e2ac7457
MD5 hash:
591f8f7f1f6fd6a7f723bdc73253fcae
SHA1 hash:
368fe6569d723c0b54a63a0c308cd648f35bdcc1
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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