MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd01d960ca2725e756f9e852045ab8a1d971c8b5881c0883d87f73a8278f79d4. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: fd01d960ca2725e756f9e852045ab8a1d971c8b5881c0883d87f73a8278f79d4
SHA3-384 hash: 68db70137232714d145013496f850ff05fea1368b172fd84dba45496d1f4e911e0b8ee8e07224f2a6195b23568e7f272
SHA1 hash: f2065356a00d79683bc11baacdce2f19a854b58e
MD5 hash: 8e3c48a0bc41737256508a96d58e03ce
humanhash: jig-gee-skylark-lima
File name:8e3c48a0bc41737256508a96d58e03ce
Download: download sample
Signature RemcosRAT
File size:884'736 bytes
First seen:2022-07-30 14:45:31 UTC
Last seen:2022-07-30 16:53:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:9hpbCG8mlEueLZBgU8aEEKJJFNNP0eke:9hpbCG8mo9yayFP1k
TLSH T10B1523AC63989674D9ED42F94C11434807BC97837E6BC3423BC2257B68E736B4B7168E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
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
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
fareit packed remcos wacatac
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:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
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
Injects a PE file into a foreign processes
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 domain / URL
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 Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 676034 Sample: ZHtWjrai53 Startdate: 30/07/2022 Architecture: WINDOWS Score: 100 49 mekremcos23.freedynamicdns.net 2->49 59 Multi AV Scanner detection for domain / URL 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for dropped file 2->63 65 7 other signatures 2->65 11 ZHtWjrai53.exe 3 2->11         started        15 qos.exe 2 2->15         started        17 qos.exe 2 2->17         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\ZHtWjrai53.exe.log, ASCII 11->47 dropped 69 Contains functionality to steal Chrome passwords or cookies 11->69 71 Contains functionality to inject code into remote processes 11->71 73 Contains functionality to steal Firefox passwords or cookies 11->73 75 Delayed program exit found 11->75 19 ZHtWjrai53.exe 4 4 11->19         started        22 ZHtWjrai53.exe 11->22         started        77 Injects a PE file into a foreign processes 15->77 24 qos.exe 15->24         started        26 qos.exe 17->26         started        signatures6 process7 file8 41 C:\Users\user\AppData\Roaming\qos.exe, PE32 19->41 dropped 43 C:\Users\user\...\qos.exe:Zone.Identifier, ASCII 19->43 dropped 45 C:\Users\user\AppData\Local\...\install.vbs, data 19->45 dropped 28 wscript.exe 1 19->28         started        process9 process10 30 cmd.exe 1 28->30         started        process11 32 qos.exe 3 30->32         started        35 conhost.exe 30->35         started        signatures12 53 Multi AV Scanner detection for dropped file 32->53 55 Machine Learning detection for dropped file 32->55 57 Injects a PE file into a foreign processes 32->57 37 qos.exe 2 1 32->37         started        process13 dnsIp14 51 mekremcos23.freedynamicdns.net 185.225.73.157, 2397, 49764, 49765 MAYAKBG Germany 37->51 67 Installs a global keyboard hook 37->67 signatures15
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Status:
Malicious
First seen:
2022-07-29 19:44:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 41 (51.22%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost_meki persistence rat
Behaviour
Modifies registry class
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
mekremcos23.freedynamicdns.net:2397
Unpacked files
SH256 hash:
2b44109f7ed3f629f41c900576e4f9a66e450ec6559db536a20a235d0fa48435
MD5 hash:
62319ca2c43e46a09423f449b2d1c033
SHA1 hash:
a6778eb1e9419343f8c3930b9983883f2ac811fb
SH256 hash:
2bff0ac57a9cac42d67c8ffc468c371166bdb29ada35ed29fa41a087ed0b145c
MD5 hash:
3eda741ac5f896ce3f811c7dfaf0f8e2
SHA1 hash:
8b899d254e2659a96dfc5b24cc20ec9a9d84d215
SH256 hash:
2a8b24bbcda2caaf6b346654c3b791ea352ed1a5c629fc76ec5ff4e2dc63b326
MD5 hash:
4842927e8211640b4de37997ea0b2080
SHA1 hash:
796be7b6de743729fa494078b85b1da7430d1c82
Detections:
win_remcos_auto
SH256 hash:
44743dda09e3d58941f2330a4e3d11641a9cd1cb41306f30dd2575a17ccaec19
MD5 hash:
4e48d643ecc61d79cbff0d725c81ad88
SHA1 hash:
9c53f29dcfb790898ec9d90b8a77547064786e4e
SH256 hash:
fd01d960ca2725e756f9e852045ab8a1d971c8b5881c0883d87f73a8278f79d4
MD5 hash:
8e3c48a0bc41737256508a96d58e03ce
SHA1 hash:
f2065356a00d79683bc11baacdce2f19a854b58e
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 fd01d960ca2725e756f9e852045ab8a1d971c8b5881c0883d87f73a8278f79d4

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-30 14:45:36 UTC

url : hxxp://79.110.62.213/KRW.exe