MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27b4a6f09b24a1f951811105ca5bf9d93074a352a37497374ef12807646ca502. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27b4a6f09b24a1f951811105ca5bf9d93074a352a37497374ef12807646ca502
SHA3-384 hash: 238c46cc5c34fb7f9fb39d910687a36ef411cc1e0468255ebb59eadcdd847554fb433a45eba88f842fe16af76322cf80
SHA1 hash: 62c152db8301aa19d19b7482ea87c0957de1dba9
MD5 hash: 962abff162f3a1b0cb668f943fba5cfd
humanhash: carpet-lake-seven-enemy
File name:x5xCJvbGk1Xr.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:477'184 bytes
First seen:2022-08-16 06:19:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f9ee72c530e85b767a4ed3391690eadf (25 x RemcosRAT, 1 x Vjw0rm)
ssdeep 12288:efCa8/Vs8aGksOT3hysn1FrdhsfZyODN:A7GVs8aGpO1FrdAZ75
TLSH T199A4AE11BAD2C072D57165300D36EB76DABCBC3029354A7BB3D65D5BFE30180A72A6B2
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter pmelson
Tags:exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
x5xCJvbGk1Xr.exe
Verdict:
Malicious activity
Analysis date:
2022-08-16 06:23:15 UTC
Tags:
keylogger remcos
Link:
https://app.any.run/tasks/1dfc0d06-f897-44eb-b937-f54d16f4451b

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/298865/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/29058/overview
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat remcos shell32.dll
Link:
https://www.filescan.io/uploads/62fb372aa3420170e448b45e/reports/15574494-7fea-4ce4-98e4-99f664519f8f/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/dace68ed-ab09-4c16-85ee-57d398f31027
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1052022
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/27b4a6f09b24a1f951811105ca5bf9d93074a352a37497374ef12807646ca502/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-16 06:20:08 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e62kn4e3esq7sumbcec4uw7z3eyhji2sun2jon2o6euaozdmuuba._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:roda11
Link:
https://tria.ge/reports/220816-g3rtcsgac6/
Behaviour
Suspicious use of SetWindowsHookEx
Malware Config
C2 Extraction:
defenderos2.con-ip.com:2425
Unpacked files
SH256 hash:
27b4a6f09b24a1f951811105ca5bf9d93074a352a37497374ef12807646ca502
MD5 hash:
962abff162f3a1b0cb668f943fba5cfd
SHA1 hash:
62c152db8301aa19d19b7482ea87c0957de1dba9
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/da957cef-e545-4165-9d68-4442ebcebab7/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/27b4a6f09b24/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/27b4a6f09b24a1f951811105ca5bf9d93074a352a37497374ef12807646ca502

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: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_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Web download

RemcosRAT

Executable exe 27b4a6f09b24a1f951811105ca5bf9d93074a352a37497374ef12807646ca502

(this sample)

  
Link
https://www.virustotal.com/gui/file/27b4a6f09b24a1f951811105ca5bf9d93074a352a37497374ef12807646ca502/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/298865/

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