MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3ae83a13a6fe98f6d3b293d69aa7e58e4752e4b1353978e1a390314f725ea44e. 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: 11
| SHA256 hash: | 3ae83a13a6fe98f6d3b293d69aa7e58e4752e4b1353978e1a390314f725ea44e |
|---|---|
| SHA3-384 hash: | e8e7571adc011d2e01b224746b8bfb0cc7d8bb6ec0a60fb6fea6d6a30123bd8737d13bab0f1dbe8cbf200c0dfa6a5b24 |
| SHA1 hash: | 28b1711daac847a6e0f04c018b40ad1aab376441 |
| MD5 hash: | 205c04191a6c1f1d9b841ac49a81a901 |
| humanhash: | sodium-king-stream-minnesota |
| File name: | Quotation (3).exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 510'464 bytes |
| First seen: | 2020-10-16 13:40:39 UTC |
| Last seen: | 2020-10-16 15:15:49 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:RGzY36DXLSiPnYFIQbYXQQwGHaKUHj0ud1o9:RGzdLLDPnYRbYX+MaKUDLU |
| Threatray | 360 similar samples on MalwareBazaar |
| TLSH | 7BB4C02523986FE1E47DD3BB20B0096053FAB486E735D61D7DA452CE3A62F808673B53 |
| Reporter |  abuse_ch |
| Tags: | exe RemcosRAT |
abuse_ch
Malspam distributing unidentified malware:HELO: yandex.com
Sending IP: 37.49.225.133
From: stoneadamss@yandex.com
Subject: QUOTATION
Attachment: Quotation 3.gz (contains "Quotation (3).exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Sending a custom TCP request
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
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
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-10-16 11:48:19 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 350 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
rat family:remcos spyware
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
194.5.97.103:1011
Unpacked files
SH256 hash:
e8ef35ac9da0fb9b54f0213078522fc8d2e0ef2bb2c9a6d94db3487718dc89c1
MD5 hash:
c9ab3e689a95399d5f132dc0a9dd2ed4
SHA1 hash:
36be7d1a11298cba3c14764a6611aa3f5c053c5b
SH256 hash:
3a1ab0bef6b08c2341fda53c70ed1cc75d7ef622bf3e53afb564da2c058ad1ee
MD5 hash:
63d15ef6df2d7cdb6e691242bf487bdc
SHA1 hash:
596580f727b13f731b6bff06b976199fbaa4f974
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
c4c4a58252cd9cbbebd10e8b7829d1a5bd56db03e1347cd0d4b0fbf499437dca
MD5 hash:
b3c67330d485682db169fab9188de3b2
SHA1 hash:
70054f6ba2bedaf419e5cf3d7f94a3ad984fa848
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
3ae83a13a6fe98f6d3b293d69aa7e58e4752e4b1353978e1a390314f725ea44e
MD5 hash:
205c04191a6c1f1d9b841ac49a81a901
SHA1 hash:
28b1711daac847a6e0f04c018b40ad1aab376441
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: | 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 |
| Rule name: | win_remcos_g0 |
|---|---|
| Author: | Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de> |
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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