MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c431a2df37a74aba2e2d4aba3b6261540ec26923a5ed97017ec92561ac926014. 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: | c431a2df37a74aba2e2d4aba3b6261540ec26923a5ed97017ec92561ac926014 |
|---|---|
| SHA3-384 hash: | 1d6fc8481ee96688817180d0cffd007ba7546af159353526671bc4ee7914bb352c65fb12783ce07bddf2759b930da493 |
| SHA1 hash: | 9ca5b4a5dce096da662bd4f269a513aac3acabfc |
| MD5 hash: | 389e08a0a8d156a9f9ee9ac64e50f0ee |
| humanhash: | uranus-november-hamper-river |
| File name: | Purchase_Order_8495_from_United_Poly_Systems_LLCpdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 420'437 bytes |
| First seen: | 2020-11-05 09:46:37 UTC |
| Last seen: | 2020-11-09 07:03:33 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic) |
| ssdeep | 12288:van8QF0p4sk7Sn/6uAypl5IN0dF+Zmezl7Si:VQF0p4/Sn/6uAypl5IMml7P |
| Threatray | 324 similar samples on MalwareBazaar |
| TLSH | DD9412193DA1F0D2C5600535457CAF34ABFFF2AD436567971304BA0AB8A2BC26F1D6CA |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: domkimen.com
Sending IP: 165.227.135.1
From: United Poly Systems <info@domkimen.com>
Subject: Order # WCO102120A/ CPO # 7815-557516/ PO 8495
Attachment: Purchase_Order_8495_from_United_Poly_Systems_LLCpdf.arj (contains "Purchase_Order_8495_from_United_Poly_Systems_LLCpdf.exe")
Intelligence
File Origin
# of uploads :
17
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a file
Launching a process
Forced shutdown of a system process
Unauthorized injection to a system process
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.
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected Remcos RAT
Hijacks the control flow in another process
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file registry)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2020-11-05 04:54:38 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 314 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blacklisted process makes network request
Remcos
Malware Config
C2 Extraction:
185.140.53.188:7809
Unpacked files
SH256 hash:
c431a2df37a74aba2e2d4aba3b6261540ec26923a5ed97017ec92561ac926014
MD5 hash:
389e08a0a8d156a9f9ee9ac64e50f0ee
SHA1 hash:
9ca5b4a5dce096da662bd4f269a513aac3acabfc
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.