MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d248ef776f73e2447a39098a132147fe1627b1538d69bdad9ee1e8f752a3fa83. 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


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d248ef776f73e2447a39098a132147fe1627b1538d69bdad9ee1e8f752a3fa83
SHA3-384 hash: 95d16fa82f58ef0ea1a03db2d43501ac11a9d4ff3d1f37492de9533e10a2f2888ce35dc704ed9c86c01c80e771df33da
SHA1 hash: 17907740b0fea622a22d3a7c73c59c1204be2e2f
MD5 hash: 153bc7575bfd149633d49fde19c5815b
humanhash: red-football-coffee-uranus
File name:SecuriteInfo.com.Trojan.DownLoader33.63577.17975.19972
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:611'840 bytes
First seen:2021-03-22 09:19:13 UTC
Last seen:2021-03-22 09:35:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:J6R+8CaAjzcfP3Ls2AKrQHZLnzkqztTF7sM3b8U1DrPXG4Ft1JNkzr+5l+cni9/a:Jd8CaAjzcfP3Q2AKrQHZLnzkqztTF7sG
Threatray 1'673 similar samples on MalwareBazaar
TLSH A0D4D0696205AF0CDD3B4E7AD846346097F4CDFBC213E6A76EE018D9444DB9D8CF218A
Reporter SecuriteInfoCom
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5c24dc1f0a87fc29c8377d5a4ef2545869607f8f3f98b8712884335ef14fb613
Verdict:
Malicious activity
Analysis date:
2021-03-19 04:50:09 UTC
Tags:
opendir exploit CVE-2017-11882 loader rat remcos
Link:
https://app.any.run/tasks/50733686-16d7-42e8-bbc3-0f27cfcbc183

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/125873/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader33.63577.17975.19972.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Gathering data
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/647568
Signature
C2 URLs / IPs found in malware configuration
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
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 372749 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 8 other signatures 2->62 10 SecuriteInfo.com.Trojan.DownLoader33.63577.17975.exe 3 2->10         started        14 win.exe 2 2->14         started        16 win.exe 2 2->16         started        process3 file4 52 SecuriteInfo.com.T...63577.17975.exe.log, ASCII 10->52 dropped 72 Contains functionality to steal Chrome passwords or cookies 10->72 74 Contains functionality to capture and log keystrokes 10->74 76 Contains functionality to inject code into remote processes 10->76 78 Contains functionality to steal Firefox passwords or cookies 10->78 18 SecuriteInfo.com.Trojan.DownLoader33.63577.17975.exe 4 4 10->18         started        21 SecuriteInfo.com.Trojan.DownLoader33.63577.17975.exe 10->21         started        80 Injects a PE file into a foreign processes 14->80 23 win.exe 14->23         started        25 MpCmdRun.exe 1 14->25         started        27 win.exe 16->27         started        29 win.exe 16->29         started        signatures5 process6 file7 46 C:\Users\user\AppData\Roaming\win.exe, PE32 18->46 dropped 48 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 18->48 dropped 31 wscript.exe 1 18->31         started        33 conhost.exe 23->33         started        process8 process9 35 cmd.exe 1 31->35         started        process10 37 win.exe 3 35->37         started        41 conhost.exe 35->41         started        file11 50 C:\Users\user\AppData\Local\...\win.exe.log, ASCII 37->50 dropped 64 Multi AV Scanner detection for dropped file 37->64 66 Machine Learning detection for dropped file 37->66 68 Contains functionality to steal Chrome passwords or cookies 37->68 70 3 other signatures 37->70 43 win.exe 2 1 37->43         started        signatures12 process13 dnsIp14 54 gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu 172.111.144.45, 2177 M247GB United States 43->54
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d248ef776f73e2447a39098a132147fe1627b1538d69bdad9ee1e8f752a3fa83/
Threat name:
Win32.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2021-03-19 05:43:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
30 of 47 (63.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2jeo653poprei6rzbgfbgikh7ylcpmktrvu33lm64hupouvd7kbq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
232e0519807d6bd5adad7c4617644803d6e3b3524595dfd80d5eadcc001c99f1
RemcosRAT
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
4b8335250b1cfcb5fac9790261dd43f5efcbc187c68961ee5afd34662d0599ed
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
7c7f99d2b695777b5809dcee0723304b77a06ea8c72ec8a9e0967e4d8584d585
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'663 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210322-q2aw6r295j/
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu:2177
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/4da54cc6-73fe-45b7-9a64-14506359a1a2/
SH256 hash:
d248ef776f73e2447a39098a132147fe1627b1538d69bdad9ee1e8f752a3fa83
MD5 hash:
153bc7575bfd149633d49fde19c5815b
SHA1 hash:
17907740b0fea622a22d3a7c73c59c1204be2e2f
Link:
https://www.unpac.me/results/4da54cc6-73fe-45b7-9a64-14506359a1a2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/d248ef776f73e2447a39098a132147fe1627b1538d69bdad9ee1e8f752a3fa83

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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.

Web download

RemcosRAT

Executable exe d248ef776f73e2447a39098a132147fe1627b1538d69bdad9ee1e8f752a3fa83

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1083052/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/125873/

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