MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4085209b3190363b6f4cb1ac45ae0f2bfd2e062a065feedb2a82f055a0f1c27. 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 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4085209b3190363b6f4cb1ac45ae0f2bfd2e062a065feedb2a82f055a0f1c27
SHA3-384 hash: 60897d349499cdfe970fad0a0b8094f80cb10ba31f7c317c9b71144d9d6cb06024e3d1d3e0a20b24b509b4df64b0f464
SHA1 hash: c5eb02bc6ee09a85312519d7cf5f9e544d58f496
MD5 hash: 6fe87911b3e829cc95f4d7eaa916ae27
humanhash: july-carbon-echo-hot
File name:6fe87911b3e829cc95f4d7eaa916ae27
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:756'736 bytes
First seen:2022-06-27 16:16:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:vdgnWgRR+ChBwtaNOpSszjljwXe9dhgL4RGuxlaSdOdEgxEnHFwOt:vdgnt6IitSsz5MXe9dhjRGuxljOdE0Ot
Threatray 2'990 similar samples on MalwareBazaar
TLSH T1DEF41222F42ADCA9D84251B19C73E894165ABF7DD4B4AB3F70A57B4906F33C300A7D1A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon f0d4ccccc4c4d4d4 (1 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/283670/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62b9d807a17f249ae3e18391/reports/343d9e93-ac27-4666-b6b3-7aa4ad7adf71/overview
Result
Verdict:
UNKNOWN
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/f13288d3-d218-4003-ad8a-4b1fc1f0168c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1020634
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Encrypted powershell cmdline option found
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Uses dynamic DNS services
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 653126 Sample: cYqx6CLuq4 Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus detection for URL or domain 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 7 other signatures 2->61 7 cYqx6CLuq4.exe 1 7 2->7         started        11 Xpwdyded.exe 4 2->11         started        13 Xpwdyded.exe 3 2->13         started        process3 file4 37 C:\Users\user\AppData\...\Xpwdyded.exe, PE32 7->37 dropped 39 C:\Users\...\Xpwdyded.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\...\cYqx6CLuq4.exe.log, ASCII 7->41 dropped 63 Encrypted powershell cmdline option found 7->63 15 InstallUtil.exe 2 17 7->15         started        19 powershell.exe 15 7->19         started        65 Antivirus detection for dropped file 11->65 67 Multi AV Scanner detection for dropped file 11->67 69 Machine Learning detection for dropped file 11->69 21 powershell.exe 14 11->21         started        23 InstallUtil.exe 11->23         started        25 InstallUtil.exe 11->25         started        27 powershell.exe 13->27         started        29 InstallUtil.exe 13->29         started        signatures5 process6 dnsIp7 43 imranmhemoodcheema.ddns.net 192.227.225.175, 49776, 8903 AS-COLOCROSSINGUS United States 15->43 45 geoplugin.net 178.237.33.50, 49779, 80 ATOM86-ASATOM86NL Netherlands 15->45 47 Contains functionality to steal Chrome passwords or cookies 15->47 49 Contains functionality to inject code into remote processes 15->49 51 Contains functionality to steal Firefox passwords or cookies 15->51 53 2 other signatures 15->53 31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 27->35         started        signatures8 process9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f4085209b3190363b6f4cb1ac45ae0f2bfd2e062a065feedb2a82f055a0f1c27/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-06-27 16:17:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6qefecntdebwhnxuzmnmiwxa6k75fydcubs753nsvaxqkwqpdqtq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1e3d5369ea28851f7013099f82d535b12e3e88c72ae190fdf571fb9beb9e0ace
RemcosRAT
5282fce69c46091df36fc24eb946898efeda3c093b8f5d4eaa3904156e181a84
RemcosRAT
5a979874ae91da8eac2f9b25898b1836ee4b50781560d83168c8ca35a061d522
RemcosRAT
5f37b5f63e3badceb3ea40bb2a6cef92e466410bebbf6864d6d4b5100b6114eb
RemcosRAT
89fd50a006af9537d9181a8d2dd4872cd29639150ef2ed96a93ed1c3ad1967a4
RemcosRAT
b69f04883131047159a3f3f13a7943ffdf43c742bc2a8994f7ef1f1a42c16eee
RemcosRAT
c208cb83639f1b0a5bac59a310c377fb31f7d7dae0084f557461b8d4312c81a6
RemcosRAT
+ 2'980 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:ip persistence rat
Link:
https://tria.ge/reports/220627-trclhsccgr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Remcos
Malware Config
C2 Extraction:
imranmhemoodcheema.ddns.net:8903
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/bb548029-2da8-41da-8d5f-f59e6e489366/
SH256 hash:
18128024864552d7e429b55df5ae731fce7e50f3e0f4da1609b7010d7a26cbba
MD5 hash:
8b76234d30a0589574a017f5442393c8
SHA1 hash:
4c1c5752429b8a9f18bc739c84e65c32f1ba3c2d
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/bb548029-2da8-41da-8d5f-f59e6e489366/
Parent samples :
f4085209b3190363b6f4cb1ac45ae0f2bfd2e062a065feedb2a82f055a0f1c27
44218ac9cedc1b94a4f7ca1483be08ee58ccfe2f380aeef668e1ba887bd2520b
SH256 hash:
1a7d0f35c51e1151d2a12fb7a25bb96b614a7f500b03e96a80c24e6e896d86a5
MD5 hash:
df237a1886c52e528f1aebcb7dea551a
SHA1 hash:
125c7e6ce5b8884b878322a12001c6d0458b36f0
Link:
https://www.unpac.me/results/bb548029-2da8-41da-8d5f-f59e6e489366/
SH256 hash:
f4085209b3190363b6f4cb1ac45ae0f2bfd2e062a065feedb2a82f055a0f1c27
MD5 hash:
6fe87911b3e829cc95f4d7eaa916ae27
SHA1 hash:
c5eb02bc6ee09a85312519d7cf5f9e544d58f496
Link:
https://www.unpac.me/results/bb548029-2da8-41da-8d5f-f59e6e489366/
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/f4085209b3190363b6f4cb1ac45ae0f2bfd2e062a065feedb2a82f055a0f1c27

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 f4085209b3190363b6f4cb1ac45ae0f2bfd2e062a065feedb2a82f055a0f1c27

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2251303/
Cape
Cape
https://www.capesandbox.com/analysis/283670/

Comments


Avatar
zbet commented on 2022-06-27 16:16:48 UTC

url : hxxp://104.168.32.43/324/vbc.exe