MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5
SHA3-384 hash: 065a4fecc71e628ccce0e167dcb7e37acb005e6af13d3531cdaf543b96aedd478421df56e840a67e7723cb5ceb759a16
SHA1 hash: bbcd8057225afc8f1c68fa5670da07c8187b9b34
MD5 hash: 4cbc5df423aca14b9102340af4f3defc
humanhash: carbon-hydrogen-nitrogen-maryland
File name:Angebotsanfrage - Order-00132E,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'044'992 bytes
First seen:2021-08-13 10:57:00 UTC
Last seen:2021-08-13 11:53:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d4568865f010d4036798cbd868f1134e (2 x RemcosRAT)
ssdeep 12288:xxzeMOlDHVhjdNe1qKG8st38PvKsek4rPzfpYTAWNFzJCfUGQZxEb8+KLxCWBPbV:xIMUhj/LtGVriCTLNFzvGVb8+axb
Threatray 778 similar samples on MalwareBazaar
TLSH T13125AE52E4924D39D53B5F395C5B332C5D2A3E882F6AF88DDAE57C8D1E3A6023C15883
dhash icon 48958834524ae410 (6 x RemcosRAT, 4 x DBatLoader, 3 x AveMariaRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Angebotsanfrage - Order-00132E,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-13 11:00:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b9cf5802-89a0-4cdc-954a-91cd24d67fef

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/178956/
Detection(s):
SecuriteInfo.com.W32.Injector.JTY.20223.20832.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.W32.AIDetect.malware2.31560.28835.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a UDP request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Infy
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eb2b37d8-92b4-46d3-a10b-10c21053e9d3
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832363
Signature
C2 URLs / IPs found in malware configuration
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)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 464789 Sample: Angebotsanfrage - Order-001... Startdate: 13/08/2021 Architecture: WINDOWS Score: 100 30 goddywin.freedynamicdns.net 2->30 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 7 Angebotsanfrage - Order-00132E,pdf.exe 1 19 2->7         started        12 Yggfenf.exe 16 2->12         started        14 Yggfenf.exe 16 2->14         started        signatures3 process4 dnsIp5 32 szipda.dm.files.1drv.com 7->32 34 onedrive.live.com 7->34 36 dm-files.fe.1drv.com 7->36 24 C:\Users\Public\Libraries\...\Yggfenf.exe, PE32 7->24 dropped 62 Writes to foreign memory regions 7->62 64 Creates a thread in another existing process (thread injection) 7->64 66 Injects a PE file into a foreign processes 7->66 16 logagent.exe 2 7->16         started        38 szipda.dm.files.1drv.com 12->38 42 2 other IPs or domains 12->42 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 20 mobsync.exe 12->20         started        40 szipda.dm.files.1drv.com 14->40 44 2 other IPs or domains 14->44 22 mshta.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 goddywin.freedynamicdns.net 185.140.53.15, 4108, 49733, 49734 DAVID_CRAIGGG Sweden 16->26 28 192.168.2.1 unknown unknown 16->28 46 Contains functionality to steal Chrome passwords or cookies 16->46 48 Contains functionality to inject code into remote processes 16->48 50 Contains functionality to steal Firefox passwords or cookies 16->50 52 Delayed program exit found 20->52 signatures10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-08-13 10:57:04 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rudwin4utbz3s4pzknhggdv6e2ueg72qpbwegdvowrwhdvj2rdsq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
62960caf3d007638be89631e502733f30c42a9ba0269e8c00457c9dec10e9136
RemcosRAT
643d70b162fbca24123f8c5ad6bab6fb1aa6166fb66a414910a5b78bd68320cf
RemcosRAT
730cad1b268ed70bf04cd6b94439813a6483b69732420a6748a868376c08bea2
RemcosRAT
b2beeab94f7cbc38143e2a050c263476419bb48d2ec37470df5b1ee0da812f50
RemcosRAT
d4d30acde6fa4db431b90817911b44d21c65fc1fa72744625bccafe3899869bc
RemcosRAT
d7511047d6d0127108e1cf026c3a8c7d5dbb860d62722371d4c3f65c3c1dc920
RemcosRAT
ded1412f9509d9fbc0c48687c3611d6cd8356ff0f00a9a2c5836890a5df03925
RemcosRAT
e156425f76efbe5cdf1494564b1328f13b2284791e591961077d387329b024e1
RemcosRAT
e391c863171dbe0a79e9ee01b3f221603e1dddb3938c3215980cd5b991578f4e
RemcosRAT
+ 768 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:las las persistence rat
Link:
https://tria.ge/reports/210813-ylfs3fywe6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
goddywin.freedynamicdns.net:4108
Unpacked files
SH256 hash:
795b2b5d6668147d7924ac96f90741ddc2a2b5003f455fb842b613a286fbf8fc
MD5 hash:
53011b69a7231aea23d66805a681144b
SHA1 hash:
e3d0d157e763c865e79ccc5bedc2fd5fd90413f7
Link:
https://www.unpac.me/results/5859d68f-8f77-4d65-b432-21c64901baef/
SH256 hash:
8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5
MD5 hash:
4cbc5df423aca14b9102340af4f3defc
SHA1 hash:
bbcd8057225afc8f1c68fa5670da07c8187b9b34
Link:
https://www.unpac.me/results/5859d68f-8f77-4d65-b432-21c64901baef/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/8d0764379498/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 8d076437949873b971f9534e630ebe26a8437f50786c430eaeb46c71d53a88e5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178956/

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