MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630. 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


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630
SHA3-384 hash: 89d00845b2c389237a7891f69c266bfc13f385efa7136f8d97cb1fc5b67e2bbdfbd8beebe47e20abaee768df01694fc5
SHA1 hash: d17be2604e5019e05c7c3d89a3ba21c65948f9ec
MD5 hash: 6fcb58a4d5e3bb19e36c2d277205b208
humanhash: bulldog-delaware-magazine-alabama
File name:6fcb58a4d5e3bb19e36c2d277205b208.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:593'920 bytes
First seen:2021-07-03 07:09:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:32FC+/bDNt63kxHZOHdO2k388dQSe1qecR/aPfmNDOTj1MZbGAhGlc:mFCybDMk7OHE2k38R1g6upOlMZj
TLSH 78C4021872B5AE66D0BF4BBFA0A11010C376F222E293E3595ED022DD4E63B51DD9139F
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6fcb58a4d5e3bb19e36c2d277205b208.exe
Verdict:
Malicious activity
Analysis date:
2021-07-03 07:14:32 UTC
Tags:
trojan rat remcos stealer
Link:
https://app.any.run/tasks/7b2c0b57-1653-4b98-a82d-930c9d892658

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/169509/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.900-1.UNOFFICIAL
Create hunting rule

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
Link:
https://analyze.intezer.com/analyses/f09c281b-3de6-4c0b-acc7-a402960b5a6b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811392
Signature
.NET source code contains very large strings
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
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
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
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 443808 Sample: r2osOR8ho7.exe Startdate: 03/07/2021 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 9 other signatures 2->65 10 r2osOR8ho7.exe 3 2->10         started        14 EXCEL.exe 2 2->14         started        16 EXCEL.exe 2 2->16         started        process3 file4 53 C:\Users\user\AppData\...\r2osOR8ho7.exe.log, ASCII 10->53 dropped 81 Contains functionality to detect virtual machines (IN, VMware) 10->81 83 Contains functionality to steal Chrome passwords or cookies 10->83 85 Contains functionality to capture and log keystrokes 10->85 91 2 other signatures 10->91 18 r2osOR8ho7.exe 1 5 10->18         started        87 Injects a PE file into a foreign processes 14->87 89 Injects files into Windows application 14->89 21 EXCEL.exe 14->21         started        23 EXCEL.exe 16->23         started        signatures5 process6 file7 49 C:\Users\user\AppData\Roaming\...XCEL.exe, PE32 18->49 dropped 51 C:\Users\user\...XCEL.exe:Zone.Identifier, ASCII 18->51 dropped 25 cmd.exe 1 18->25         started        process8 signatures9 77 Uses ping.exe to sleep 25->77 79 Uses ping.exe to check the status of other devices and networks 25->79 28 EXCEL.exe 3 25->28         started        31 PING.EXE 1 25->31         started        34 conhost.exe 25->34         started        process10 dnsIp11 93 Multi AV Scanner detection for dropped file 28->93 95 Detected unpacking (creates a PE file in dynamic memory) 28->95 97 Injects a PE file into a foreign processes 28->97 99 Injects files into Windows application 28->99 36 EXCEL.exe 1 3 28->36         started        57 127.0.0.1 unknown unknown 31->57 signatures12 process13 dnsIp14 55 KJJJK.3dxtras.com 136.144.41.183, 49727, 49728, 49731 WORLDSTREAMNL Netherlands 36->55 67 Installs a global keyboard hook 36->67 69 Injects a PE file into a foreign processes 36->69 40 EXCEL.exe 36->40         started        43 EXCEL.exe 36->43         started        45 EXCEL.exe 36->45         started        47 3 other processes 36->47 signatures15 process16 signatures17 71 Tries to steal Instant Messenger accounts or passwords 40->71 73 Tries to steal Mail credentials (via file access) 40->73 75 Tries to harvest and steal browser information (history, passwords, etc) 45->75
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-02 22:07:42 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat spyware stealer
Link:
https://tria.ge/reports/210703-8jkwy68ecx/
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
NirSoft MailPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
KJJJK.3dxtras.com:7003
Unpacked files
SH256 hash:
fb2fcccd9a958dd85aba534eb4df408ab2891cd655305ce7c8900c7c53983c5f
MD5 hash:
5e45882e339283e27b4680022293a90e
SHA1 hash:
b0d319bb2cd2c561346459cfbe8edeca6a790e02
Link:
https://www.unpac.me/results/48b63ed0-57ff-42d0-9218-5426e66e0185/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/48b63ed0-57ff-42d0-9218-5426e66e0185/
SH256 hash:
d728edae920af6ea407bf8b679d4afa3c80cfdccb63159d5bde509713b53d88c
MD5 hash:
fcf4fb660d6ca81cfabae45e4ef81e61
SHA1 hash:
1ceba20006bc0c09be6ac04d786632d89441dd7b
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/48b63ed0-57ff-42d0-9218-5426e66e0185/
Parent samples :
ff91b720363ded7601beba0c3b9f73c4cd677c79e88f9b82113073d0691df7a9
f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a
463f7c4188aeeeea4da33b41fb0c420a3e9a7855e8e2a139add7d255153ea7ee
de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630
SH256 hash:
de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630
MD5 hash:
6fcb58a4d5e3bb19e36c2d277205b208
SHA1 hash:
d17be2604e5019e05c7c3d89a3ba21c65948f9ec
Link:
https://www.unpac.me/results/48b63ed0-57ff-42d0-9218-5426e66e0185/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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

RemcosRAT

Executable exe de7ce842fcb7346c2bbdf01da4e6d0d8e2ca20332b880fe8ada7d66ed184d630

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1398045/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/169509/

Comments