MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3830e8249b95e86065288cb7a00ee9139d9e2fd918ff9c7e427e8684c1481579. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 3830e8249b95e86065288cb7a00ee9139d9e2fd918ff9c7e427e8684c1481579
SHA3-384 hash: abc0f5b6295c636f2a2f77f13c139df52b20f0573b68416c2e6ebde1009a5f5654fe134f7c5839c3c1f29ae1dc5fc1c2
SHA1 hash: ba072d27d14538c79af5df27a9328002afad5436
MD5 hash: 04e18fd343fc78769f0518e3d8bc989c
humanhash: fanta-carpet-virginia-tennessee
File name:Електронна позовна вимога.exe
Download: download sample
Signature RemcosRAT
File size:1'591'664 bytes
First seen:2024-01-11 11:42:08 UTC
Last seen:2024-02-07 08:00:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 94d9227f448338db4ec1daba801cc426 (1 x RemcosRAT)
ssdeep 49152:NoP4egvpQd/xGVKGpNJ5GfgogapBecJJa1jO:NPegBQlAVPpS3p8cJ41jO
TLSH T1527533B1DA1346F1FA9A907B704D9953A720DC741B30E21BE6CC46A358DDE6536230EF
TrID 58.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
14.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.7% (.EXE) Win32 Executable (generic) (4505/5/1)
4.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
4.3% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 74fcfcdcf4dcdcd4 (1 x RemcosRAT)
Reporter angel11VR
Tags:AutoIT exe remcos remcos RAT RAR PWD Autoit WSH RemcosRAT


Avatar
angel11VR
#remcos #RAT #RAR #PWD #Autoit #WSH
email > att1 .RAR > (att2 + att3 + att4) .RAR (pwd) > .exe > Trail.pif > 77_105_132_124 + 101_99_75_16 > fingerprint & exfil
IOC`s
https://pastebin.com/D535PVm3

Intelligence


File Origin
# of uploads :
3
# of downloads :
366
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Електронна позовна вимога.rar
Verdict:
No threats detected
Analysis date:
2023-12-26 10:15:55 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Searching for the window
Sending a custom TCP 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Drops PE files with a suspicious file extension
Found API chain indicative of sandbox detection
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1367022 Sample: 33#U0430.exe Startdate: 26/12/2023 Architecture: WINDOWS Score: 100 74 xoAlmAWqwStaSu.xoAlmAWqwStaSu 2->74 76 geoplugin.net 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for URL or domain 2->82 84 8 other signatures 2->84 11 33#U0430.exe 12 2->11         started        14 wscript.exe 1 1 2->14         started        17 wscript.exe 1 2->17         started        signatures3 process4 file5 68 C:\Users\user\AppData\Local\Temp\...\Barely, PE32 11->68 dropped 19 cmd.exe 1 11->19         started        22 conhost.exe 11->22         started        108 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->108 24 GuardSync.pif 14->24         started        26 GuardSync.pif 17->26         started        signatures6 process7 signatures8 86 Uses ping.exe to sleep 19->86 88 Drops PE files with a suspicious file extension 19->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 19->90 92 Uses ping.exe to check the status of other devices and networks 19->92 28 cmd.exe 1 19->28         started        31 conhost.exe 19->31         started        process9 signatures10 100 Uses ping.exe to sleep 28->100 33 Trail.pif 3 17 28->33         started        38 cmd.exe 2 28->38         started        40 cmd.exe 2 28->40         started        42 6 other processes 28->42 process11 dnsIp12 70 77.105.132.124, 2404, 49735, 49736 PLUSTELECOM-ASRU Russian Federation 33->70 72 geoplugin.net 178.237.33.50, 49737, 80 ATOM86-ASATOM86NL Netherlands 33->72 60 C:\Users\user\AppData\Local\...behaviorgraphuardSync.pif, PE32 33->60 dropped 62 C:\Users\user\AppData\Local\...behaviorgraphuardSync.js, ASCII 33->62 dropped 94 Found API chain indicative of sandbox detection 33->94 96 Drops PE files with a suspicious file extension 33->96 98 Contains functionality to modify clipboard data 33->98 44 Trail.pif 33->44         started        47 Trail.pif 33->47         started        49 Trail.pif 33->49         started        51 2 other processes 33->51 64 C:\Users\user\AppData\Local\...\Trail.pif, PE32 38->64 dropped file13 signatures14 process15 file16 102 Tries to steal Instant Messenger accounts or passwords 44->102 104 Tries to steal Mail credentials (via file / registry access) 44->104 106 Tries to harvest and steal browser information (history, passwords, etc) 47->106 66 C:\Users\user\AppData\...behaviorgraphuardSync.url, MS 51->66 dropped 54 conhost.exe 51->54         started        56 conhost.exe 51->56         started        58 schtasks.exe 1 51->58         started        signatures17 process18
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-12-25 07:56:21 UTC
File Type:
PE (Exe)
Extracted files:
102
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
Behaviour
UPX packed file
Unpacked files
SH256 hash:
4a43882dff1b9fa72c5a5ff19d35584d83c59fda32a910544ca5543000a87d02
MD5 hash:
bb02a7950e40367fd9fc6d967f0219eb
SHA1 hash:
c2d4b8b6ddc90d176c3d598fb6e00e8deaca4475
SH256 hash:
3830e8249b95e86065288cb7a00ee9139d9e2fd918ff9c7e427e8684c1481579
MD5 hash:
04e18fd343fc78769f0518e3d8bc989c
SHA1 hash:
ba072d27d14538c79af5df27a9328002afad5436
Please note that we are no longer able to provide a coverage score for Virus Total.

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:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu

File information


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

Malspam

RemcosRAT

Executable exe 3830e8249b95e86065288cb7a00ee9139d9e2fd918ff9c7e427e8684c1481579

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments