MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a95dfe43a03318c0301489c77ecdb7f5da54842c4731a1f0c4214569155813e. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1

SHA256 hash: 7a95dfe43a03318c0301489c77ecdb7f5da54842c4731a1f0c4214569155813e
SHA3-384 hash: fa759b052efa5c7040909b66f35a4ff23fef169ff83762e02fba2f53c6cb6ae70556708468bb09fb474649f9eb6c28f1
SHA1 hash: 9d029921c62f14c4d29579d75d78d3549bbbf0db
MD5 hash: 1127f6b5f16bc12401757f1b8b3e672e
humanhash: friend-utah-equal-lemon
File name:1127f6b5f16bc12401757f1b8b3e672e
Download: download sample
Signature RemcosRAT
File size:1'169'408 bytes
First seen:2022-06-08 16:32:40 UTC
Last seen:2022-06-08 17:39:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:JqgvrxAZ0hGZnaMhqzfLNdiwwcAzSG6Mk6UpX0DIHJMm:pK0wZnHhSLNdbwcAzfk3pEDI
Threatray 2'441 similar samples on MalwareBazaar
TLSH T16B45DF6D27F5C637F02E27369064001695F8240BE38AF71A2DC66DF818A73936D4A6FD
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1127f6b5f16bc12401757f1b8b3e672e
Verdict:
Malicious activity
Analysis date:
2022-06-08 16:41:53 UTC
Tags:
rat remcos

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

Behaviour
Running batch commands
Creating a window
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 641711 Sample: M4j2OwNiAS Startdate: 08/06/2022 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 5 other signatures 2->68 10 M4j2OwNiAS.exe 3 2->10         started        14 ios.exe 2 2->14         started        16 ios.exe 2 2->16         started        process3 file4 48 C:\Users\user\AppData\...\M4j2OwNiAS.exe.log, ASCII 10->48 dropped 72 Contains functionalty to change the wallpaper 10->72 74 Contains functionality to steal Chrome passwords or cookies 10->74 76 Contains functionality to inject code into remote processes 10->76 78 2 other signatures 10->78 18 M4j2OwNiAS.exe 4 4 10->18         started        21 M4j2OwNiAS.exe 10->21         started        23 SgrmBroker.exe 10->23         started        25 ios.exe 14->25         started        27 ios.exe 16->27         started        signatures5 process6 file7 42 C:\Users\user\AppData\Roaming\ios.exe, PE32 18->42 dropped 44 C:\Users\user\...\ios.exe:Zone.Identifier, ASCII 18->44 dropped 46 C:\Users\user\AppData\Local\...\install.vbs, data 18->46 dropped 29 wscript.exe 1 18->29         started        process8 process9 31 cmd.exe 1 29->31         started        process10 33 ios.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures11 54 Multi AV Scanner detection for dropped file 33->54 56 Contains functionalty to change the wallpaper 33->56 58 Contains functionality to steal Chrome passwords or cookies 33->58 60 2 other signatures 33->60 38 ios.exe 2 14 33->38         started        process12 dnsIp13 50 skygroupt6.zapto.org 194.31.98.250, 2080, 49770 BURSABILTR Netherlands 38->50 52 geoplugin.net 178.237.33.50, 49771, 80 ATOM86-ASATOM86NL Netherlands 38->52 70 Installs a global keyboard hook 38->70 signatures14
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Status:
Malicious
First seen:
2022-06-08 14:45:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
skygroupt6.zapto.org:2080
Unpacked files
SH256 hash:
e8ad4338181080e22b9c9259d3f6a7aa1d036cfa9e04a224a150a42b98467e9b
MD5 hash:
99ffc872256df81652592fac65f78916
SHA1 hash:
75dbe172c0c235ea1337ae33bf6e8a95a34345a0
SH256 hash:
4d7a1202e5360fcc3a77f8d9af28f80b26ae66346341a973dc8ac9096d8a8747
MD5 hash:
3f428362a2e853d401aea8fa0b452721
SHA1 hash:
4ced635ff3431693515c91eb57b3c32f1acdedca
SH256 hash:
7917b3d0289216137d450f254271ca0941d443f85ad11cbf282f76efb3701eff
MD5 hash:
1855310d2db2df85bcb564892b3c5ebf
SHA1 hash:
49d4c894b6b74ee474c536209e6e4893e4fe4ddb
SH256 hash:
7a95dfe43a03318c0301489c77ecdb7f5da54842c4731a1f0c4214569155813e
MD5 hash:
1127f6b5f16bc12401757f1b8b3e672e
SHA1 hash:
9d029921c62f14c4d29579d75d78d3549bbbf0db
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

RemcosRAT

Executable exe 7a95dfe43a03318c0301489c77ecdb7f5da54842c4731a1f0c4214569155813e

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-08 16:32:59 UTC

url : hxxp://45.85.190.93/161/vbc.exe