MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7efa4dff44ccd8ddcbf17ddce11837a80e21bc9c397cdcb1ccd2d4b86f74031e. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7efa4dff44ccd8ddcbf17ddce11837a80e21bc9c397cdcb1ccd2d4b86f74031e
SHA3-384 hash: 9d194e84376333ccc376214762d8920cd15efadd885700ca461b1cbdaafca52a5c7edcd6f4a744a9f4fef74861575999
SHA1 hash: 1f9612d80471c4fd11640a579158fe14bc520954
MD5 hash: ddfcdfe9ef9ffa7be1241e1772f1e6ae
humanhash: robin-yellow-coffee-lactose
File name:ddfcdfe9ef9ffa7be1241e1772f1e6ae.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:474'112 bytes
First seen:2022-01-21 15:47:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f15bed3346039b42bc33c9080047f8c (26 x RemcosRAT)
ssdeep 12288:iegN0jfYLclGb0bVT6e+MT2MffZS/gD8SSYo:ENywLclGIeMT2MXZRD8SSV
TLSH T134A4AD11B9C1C032D17252700D29FB759AFCBC302935597BB3DA5D9ABE700C1BB2A6A7
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221541/
Detection(s):
Win.Trojan.Remcos-9753190-0
Create hunting rule

Win.Trojan.Remcos-9841897-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe control.exe eventvwr.exe greyware keylogger remcos shell32.dll
Link:
https://www.filescan.io/uploads/61ead5bb0f8c757253d56c51/reports/7d8fae05-7573-4b2a-aad1-1dcac25ab7e4/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/28b233a8-9059-47fc-aa5e-42095d8a7e24
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/925334
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7efa4dff44ccd8ddcbf17ddce11837a80e21bc9c397cdcb1ccd2d4b86f74031e/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-01-21 15:48:11 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p35e372eztmn3s7rpxoocgbxvahcdpe4hf6nzmom2lklq33uampa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:test rat
Link:
https://tria.ge/reports/220121-s8shmaaad9/
Behaviour
Suspicious use of SetWindowsHookEx
Remcos
Malware Config
C2 Extraction:
dynasty1.ddns.net:2404
dynasty2.ddns.net:2404
dynasty3.ddns.net:2404
sumav1.hopto.org:2404
sumav2.hopto.org:2404
sumag.hopto.org:2404
Unpacked files
SH256 hash:
7efa4dff44ccd8ddcbf17ddce11837a80e21bc9c397cdcb1ccd2d4b86f74031e
MD5 hash:
ddfcdfe9ef9ffa7be1241e1772f1e6ae
SHA1 hash:
1f9612d80471c4fd11640a579158fe14bc520954
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/3b2f535c-30c9-4929-aa87-09a40895eae2/
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/7efa4dff44ccd8ddcbf17ddce11837a80e21bc9c397cdcb1ccd2d4b86f74031e

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.

Web download

RemcosRAT

Executable exe 7efa4dff44ccd8ddcbf17ddce11837a80e21bc9c397cdcb1ccd2d4b86f74031e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1995891/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/221541/

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