MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07a3c580cbf48fdcc0bfd313eb490b1a45690c71b5bcedf386c8e4e3f1fe0581. 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 6 File information Comments

SHA256 hash: 07a3c580cbf48fdcc0bfd313eb490b1a45690c71b5bcedf386c8e4e3f1fe0581
SHA3-384 hash: aa9a3e001f0bf545177b9ac93ef810b5b845e107aa0ee45d4be58dd2aa111f81ae92fc4ddb210d64914914b2543d2dab
SHA1 hash: ac87d1a9565defc3c3b8bbc315c4e5d4013330bb
MD5 hash: d960d444a42ab3d68c7592d6cf619f89
humanhash: mississippi-aspen-fish-seven
File name:Inquiry No. 301-2022-ST00.exe
Download: download sample
Signature RemcosRAT
File size:833'536 bytes
First seen:2022-04-20 07:17:42 UTC
Last seen:2022-04-20 12:46:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:x5kaJgFqFXrKPK677IUWwY8bU19H49Qm/rn35DtJ:x1J45C677IUlbgYQmr5Dt
Threatray 1'968 similar samples on MalwareBazaar
TLSH T12805220895E843D8E87F17FD9E76B640D7FAD8736A0AF70D0E8A68C57AE73428444931
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed remcos update.exe
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
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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Remcos
Status:
Malicious
First seen:
2022-04-20 02:45:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:more rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
kashbilly.ddns.net:6060
Unpacked files
SH256 hash:
e649e0d6c577aac4d57e7093d75b1dafcbf641f62110d177a9286749846ddc43
MD5 hash:
ecb7908b31c84e773559219d97756922
SHA1 hash:
ec70bff9e7e0f25b35e99a197a493b41b7553022
SH256 hash:
1a8ed6847f5d8b98a310e3d3a6a69fb03eacfa8ceb34648037d67a0c19ab7351
MD5 hash:
36b96d1dff037560a39046e0fe24db33
SHA1 hash:
bbe379cbfada551c5d9d63a71651127b50a08c7d
SH256 hash:
f1995c0e8836e408366b146e12538f7ab5138d8a718b18d3e89a973d5006305c
MD5 hash:
ffb3f03a3613fa9f6eb66750f2cd8755
SHA1 hash:
2855ad2de31bf1c9bf39b85f9ec89b60f3485e7e
SH256 hash:
07a3c580cbf48fdcc0bfd313eb490b1a45690c71b5bcedf386c8e4e3f1fe0581
MD5 hash:
d960d444a42ab3d68c7592d6cf619f89
SHA1 hash:
ac87d1a9565defc3c3b8bbc315c4e5d4013330bb
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
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.

Malspam

RemcosRAT

Executable exe 07a3c580cbf48fdcc0bfd313eb490b1a45690c71b5bcedf386c8e4e3f1fe0581

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment

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