MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a91a4674f844f5aa50396270e294341cbb2f87dbc5c9fc29d832efa2234eb9e9. 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: 7
| SHA256 hash: | a91a4674f844f5aa50396270e294341cbb2f87dbc5c9fc29d832efa2234eb9e9 |
|---|---|
| SHA3-384 hash: | 3704ff663bafc1b71cba2326ab4ee576bbf5489964ad57b6e1a66a3fa82cedcdb38b97630e32004cb6b63c38fdbcaafb |
| SHA1 hash: | 7b2252a43f18aa905de0f122bcda70290bf5644e |
| MD5 hash: | 21c582d4c4dd6702236f724f97ad4aa6 |
| humanhash: | illinois-charlie-bakerloo-nevada |
| File name: | PurchaseOrder1026.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 951'808 bytes |
| First seen: | 2020-10-26 14:32:10 UTC |
| Last seen: | 2020-10-28 06:57:32 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 911ad15eafc60c6c5da31e0ed83b95b8 (7 x ModiLoader, 1 x NetWire, 1 x RemcosRAT) |
| ssdeep | 12288:oVCTeZF541To2ztd5/IEAHqDPD3PDQnA/g07SVllUweV+8YZqckawUNlY7RzjTOp:oVCCa1Rzt0EAHqf36EFAilujYYue |
| Threatray | 1'149 similar samples on MalwareBazaar |
| TLSH | A815AE11B2918837D1731B7A9D5B6B789E25FF042E2066473BFC688C4F76690387A2D3 |
| Reporter |  abuse_ch |
| Tags: | exe RemcosRAT |
abuse_ch
Malspam distributing unidentified malware:HELO: gmail.com
Sending IP: 37.49.225.237
From: Ensar ÖZSERDAR <cdy3079@gmail.com>
Subject: Purchase Order 1126
Attachment: PurchaseOrder1026.gz (contains "PurchaseOrder1026.exe")
Intelligence
File Origin
# of uploads :
8
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2020-10-26 06:50:40 UTC
File Type:
PE (Exe)
Extracted files:
58
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'139 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
persistence trojan family:modiloader rat family:remcos
Behaviour
Modifies system certificate store
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
ModiLoader First Stage
ModiLoader Second Stage
ServiceHost packer
ModiLoader, DBatLoader
Remcos
Please note that we are no longer able to provide a coverage score for Virus Total.
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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