MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af
SHA3-384 hash: 82d3f24b0f84105a13f0b382d56813cdc86abc2c48dd6720192524e950d778979af87ebffa532516b72a49ebdb6c0fcc
SHA1 hash: c28c9e4fe1c833a0e88ecd1974701a0d1cfa4602
MD5 hash: 9aa7434a5fd1832944990bd1bf2f9997
humanhash: papa-single-artist-florida
File name:SHIPPING DOCUMENT.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'291'459 bytes
First seen:2024-02-15 11:02:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 369fe35b86c83b3130c02698158a4d4d (14 x Formbook, 4 x RedLineStealer, 4 x AgentTesla)
ssdeep 24576:3RmJkcoQricOIQxiZY1WNPhSkjZ2YrYJnofBFurFsmWcdleRp:8JZoQrbTFZY1WNPLjzcZtM
TLSH T1EE559E13B5FD8025C1E232B05E6DFA575E2E6D2E4326819B23CCB9251A73C435B2D6E3
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 60e4c4f0e8e8d4c8 (1 x RemcosRAT)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476322/
Detection(s):
PUA.Win.Packer.Ep-7
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

Win.Packed.Bladabindi-9804429-0
Create hunting rule

SecuriteInfo.com.BackDoor.IRC.Bot.3238.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/65cdef8694e713aa52995bad/reports/231db2e5-f651-4638-a18e-4ec9dfe823d2/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af
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/4726b256-e29b-4f9f-bbef-4fc56a2fc585
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392789
Signature
Antivirus detection for URL or domain
Drops VBS files to the startup folder
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1392789 Sample: SHIPPING DOCUMENT.exe Startdate: 15/02/2024 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 6 other signatures 2->68 14 SHIPPING DOCUMENT.exe 6 2->14         started        17 wscript.exe 1 2->17         started        process3 file4 58 C:\Users\user\AppData\...\endochylous.exe, PE32 14->58 dropped 20 endochylous.exe 3 14->20         started        60 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->60 24 endochylous.exe 2 17->24         started        signatures5 process6 file7 56 C:\Users\user\AppData\...\endochylous.vbs, data 20->56 dropped 70 Drops VBS files to the startup folder 20->70 26 endochylous.exe 2 20->26         started        28 endochylous.exe 2 24->28         started        signatures8 process9 process10 30 endochylous.exe 2 26->30         started        32 endochylous.exe 28->32         started        process11 34 endochylous.exe 2 30->34         started        36 endochylous.exe 32->36         started        process12 38 endochylous.exe 2 34->38         started        40 endochylous.exe 36->40         started        process13 42 endochylous.exe 2 38->42         started        44 endochylous.exe 40->44         started        process14 46 endochylous.exe 2 42->46         started        48 endochylous.exe 44->48         started        process15 50 endochylous.exe 2 46->50         started        52 endochylous.exe 48->52         started        process16 54 endochylous.exe 50->54         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-02-15 11:03:23 UTC
File Type:
PE (Exe)
Extracted files:
29
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzbddayzojmn55ejkxpgcivqymud6cbz64u7qcqqnksgpqcyysxq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240215-m5rt2aeh2z/
Behaviour
Enumerates physical storage devices
AutoIT Executable
Unpacked files
SH256 hash:
38df21b322f9d269a8be28f08919cf0128d6e9e82ce34c566433395195b1f5dc
MD5 hash:
24c031b5f049aef011eaaf99cd0b13e9
SHA1 hash:
7758e211f1a3e97fc4ec29e4bdd51e650e400f69
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/60519fd3-d113-44d7-9ee3-04a078111fb7/
Parent samples :
930de6b7369a7c5b68405b1873f531a0df45101717631afe651dd8ab3bbee8ef
710f9dfce220b67f013d898c2243b6a54705c06fbb3d0a34db3eb6b08709b893
c09a27a46df5d4e4320beea5f2538a5a43b6d6a5eb62a9b10bdc4a182f0eb0af
b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af
SH256 hash:
b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af
MD5 hash:
9aa7434a5fd1832944990bd1bf2f9997
SHA1 hash:
c28c9e4fe1c833a0e88ecd1974701a0d1cfa4602
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/60519fd3-d113-44d7-9ee3-04a078111fb7/
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/b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af

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:AutoIt
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

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

Malspam

RemcosRAT

Executable exe b6423183197258def48955de6122b0c3283f0839f729f80a106aa467c058c4af

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476322/

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