MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ff91b720363ded7601beba0c3b9f73c4cd677c79e88f9b82113073d0691df7a9. 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: 10
| SHA256 hash: | ff91b720363ded7601beba0c3b9f73c4cd677c79e88f9b82113073d0691df7a9 |
|---|---|
| SHA3-384 hash: | 740cc403b1809f2dc791592c163c336aed063275094b02af10ec3a7650432a91018af1824f3542b1d37e3bb713914750 |
| SHA1 hash: | 1c1966203f98ce9a5bdec4aeaa7d576a754d6934 |
| MD5 hash: | dc92ff1b7a14d65571e1d8c26f4f6f31 |
| humanhash: | jersey-bravo-speaker-oscar |
| File name: | dc92ff1b7a14d65571e1d8c26f4f6f31 |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 379'392 bytes |
| First seen: | 2021-06-25 16:05:03 UTC |
| Last seen: | 2021-06-25 18:40:56 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 6144:ZjFGaJft0N5x0rvgz+o58AX+BYbctjxrYm7uAFMYt9ofYwK9:vGaJljrvEsAXXbeQAFMYt9ow/9 |
| Threatray | 1'838 similar samples on MalwareBazaar |
| TLSH | 28846BBC36A035EEC86BD6B99AA83CA5EA657577530B8206801301DD9E0DBC7DF105F3 |
| Reporter |  zbetcheckin |
| Tags: | 32 exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dc92ff1b7a14d65571e1d8c26f4f6f31
Verdict:
Malicious activity
Analysis date:
2021-06-25 16:08:55 UTC
Tags:
trojan rat remcos stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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.
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Injects a PE file into a foreign processes
Injects files into Windows application
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: MS Office Product Spawning Exe in User Dir
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-06-25 06:47:39 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'828 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:host persistence rat spyware stealer
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
KJJJK.3dxtras.com:7003
Unpacked files
SH256 hash:
d6d88b28ab462e0b15e38773f9883f27070e67610f20786a12bcc51120e557a6
MD5 hash:
9f7cfd831eb0aaf6cd796443ccebb9af
SHA1 hash:
024c65c3b37542519b71d5ae7f472b9d6a8cbd45
SH256 hash:
d728edae920af6ea407bf8b679d4afa3c80cfdccb63159d5bde509713b53d88c
MD5 hash:
fcf4fb660d6ca81cfabae45e4ef81e61
SHA1 hash:
1ceba20006bc0c09be6ac04d786632d89441dd7b
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
ff91b720363ded7601beba0c3b9f73c4cd677c79e88f9b82113073d0691df7a9
MD5 hash:
dc92ff1b7a14d65571e1d8c26f4f6f31
SHA1 hash:
1c1966203f98ce9a5bdec4aeaa7d576a754d6934
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
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
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