MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a310b9bdd70d9fc976b4824dd8941141772827ea3d2545819f9e27b0d89d62d. 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: 16
| SHA256 hash: | 4a310b9bdd70d9fc976b4824dd8941141772827ea3d2545819f9e27b0d89d62d |
|---|---|
| SHA3-384 hash: | 59d7461f4e465070ebff9921d60687a786e322e36133f574102674c4bb3fb08b13416b66cc6eec2e64ef4f76e53ccbf7 |
| SHA1 hash: | 53aa21c8abb7f45e8ac8505b1afc69a54fc9349e |
| MD5 hash: | 51568da455d95b7fb77213b68c337070 |
| humanhash: | india-monkey-two-apart |
| File name: | 4a310b9bdd70d9fc976b4824dd8941141772827ea3d2545819f9e27b0d89d62d |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'437'304 bytes |
| First seen: | 2025-11-06 11:30:40 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:l8WQ+8Y4TlAyassO/UytjLaeemBGja5fJnnDvS0HTE1Xm:jsVXPHTEg |
| TLSH | T166656307BE864BB2C1350776C9DB454CE3B5DAA9FB33CB0B7549235609C23F94A4229B |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
79
Origin country :
HUVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
Purchase Order From Nourish, PO NO- 244769..eml
Verdict:
Malicious activity
Analysis date:
2025-10-28 08:51:45 UTC
Tags:
attachments attc-arch arch-exec rat remcos remote netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
injection autorun virus msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Setting a keyboard event handler
Creating a file
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-28T03:30:00Z UTC
Last seen:
2025-11-07T02:32:00Z UTC
Hits:
~1000
Verdict:
Suspicious
Score:
91%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Detection:
remcos
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-10-28 06:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:clients discovery rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Remcos
Remcos family
Malware Config
C2 Extraction:
45.154.98.167:1516
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4a310b9bdd70d9fc976b4824dd8941141772827ea3d2545819f9e27b0d89d62d
MD5 hash:
51568da455d95b7fb77213b68c337070
SHA1 hash:
53aa21c8abb7f45e8ac8505b1afc69a54fc9349e
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | ldpreload |
|---|---|
| Author: | xorseed |
| Reference: | https://stuff.rop.io/ |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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