MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39de6e1f455747a1e878f070e5b62e306a60bd595d5a1840518cc07972a5c6d1. 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: 10


Intelligence 10 IOCs YARA File information Comments 1

SHA256 hash: 39de6e1f455747a1e878f070e5b62e306a60bd595d5a1840518cc07972a5c6d1
SHA3-384 hash: 75c0817df088c73300449eb72a0a10f88be64865282e4104c1e2c34c3ec15c5a0aec653b0e15e2f0fe4aa0c71de2fb1c
SHA1 hash: aba8e16e6a342dc15fdd94a4dd521c93ff471598
MD5 hash: 3fbac6f214dd086b515d64838ac0c4af
humanhash: illinois-high-pluto-one
File name:3fbac6f214dd086b515d64838ac0c4af
Download: download sample
Signature RemcosRAT
File size:454'656 bytes
First seen:2021-09-01 06:19:49 UTC
Last seen:2021-09-01 08:39:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c4b3ef5cd2bacd05c5793b6be4b1aeae (4 x RemcosRAT)
ssdeep 6144:IwV2nNBEat3ZjyPt7Z3oKzwH38Pt7cjqJWa:IbnUatJuP5Nh88P5cEWa
Threatray 5'046 similar samples on MalwareBazaar
TLSH T1DAA4A28E22484208F596FF71989DC1F903316C35ADB6C44E27D9B13A0FBAAF59B17847
dhash icon 9ca2a393929a9a9a (4 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
173
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3fbac6f214dd086b515d64838ac0c4af
Verdict:
No threats detected
Analysis date:
2021-09-01 06:21:19 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Running batch commands
Creating a process with a hidden window
Launching a process
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
GuLoader behavior detected
Hides threads from debuggers
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 475549 Sample: B4VRSKjejW Startdate: 01/09/2021 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 6 other signatures 2->55 9 B4VRSKjejW.exe 1 2->9         started        12 win.exe 1 2->12         started        14 win.exe 1 2->14         started        process3 signatures4 67 Tries to detect Any.run 9->67 69 Hides threads from debuggers 9->69 16 B4VRSKjejW.exe 1 10 9->16         started        21 win.exe 1 8 12->21         started        23 win.exe 6 14->23         started        process5 dnsIp6 43 103.133.111.149, 49709, 49716, 49719 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 16->43 39 C:\Users\user\AppData\Roaming\win.exe, PE32 16->39 dropped 41 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 16->41 dropped 57 Tries to detect Any.run 16->57 59 Hides threads from debuggers 16->59 25 cmd.exe 1 16->25         started        45 xp19.ddns.net 103.133.111.221, 1996, 49718 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 21->45 61 Installs a global keyboard hook 21->61 file7 signatures8 process9 signatures10 71 Uses ping.exe to sleep 25->71 73 Uses ping.exe to check the status of other devices and networks 25->73 28 win.exe 1 25->28         started        31 PING.EXE 1 25->31         started        34 conhost.exe 25->34         started        process11 dnsIp12 75 Antivirus detection for dropped file 28->75 77 Multi AV Scanner detection for dropped file 28->77 79 Tries to detect Any.run 28->79 81 Hides threads from debuggers 28->81 36 win.exe 6 28->36         started        47 127.0.0.1 unknown unknown 31->47 signatures13 process14 signatures15 63 Tries to detect Any.run 36->63 65 Hides threads from debuggers 36->65
Threat name:
Win32.Trojan.Razy
Status:
Malicious
First seen:
2021-08-31 19:49:13 UTC
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos botnet:host downloader persistence rat
Behaviour
Runs ping.exe
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks QEMU agent file
Loads dropped DLL
Executes dropped EXE
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
xp19.ddns.net:1996
Unpacked files
SH256 hash:
49b04162c412105ab0857de16713724cbf3234a0b6ba51f3a5286312633f20c3
MD5 hash:
1f1b425190b2fb0396ad2d538b1060ba
SHA1 hash:
413f98641d46fdcabfcaf64f29495667de6282ea
SH256 hash:
39de6e1f455747a1e878f070e5b62e306a60bd595d5a1840518cc07972a5c6d1
MD5 hash:
3fbac6f214dd086b515d64838ac0c4af
SHA1 hash:
aba8e16e6a342dc15fdd94a4dd521c93ff471598
Malware family:
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

RemcosRAT

Executable exe 39de6e1f455747a1e878f070e5b62e306a60bd595d5a1840518cc07972a5c6d1

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-09-01 06:19:50 UTC

url : hxxp://136.144.41.96/XNO.exe