MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03087781a021aac8e388ba4e6f003f20589c02a58f71a326fccea78b7e7f2ba1. 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 2 File information Comments

SHA256 hash: 03087781a021aac8e388ba4e6f003f20589c02a58f71a326fccea78b7e7f2ba1
SHA3-384 hash: a373b8d28b2b50b5a03edbb19dfb53fa7ade6a2bd43c4e0c1eb92aad8acded93aac61266b7a2edc77acf15977f768ffc
SHA1 hash: 2358bdf44e2037330dd55d0050edf24ffc240d9b
MD5 hash: c53242f8b36c6d07bbaa758174ea77fd
humanhash: california-violet-blue-muppet
File name:c53242f8b36c6d07bbaa758174ea77fd.exe
Download: download sample
Signature RemcosRAT
File size:1'241'088 bytes
First seen:2022-03-14 19:00:11 UTC
Last seen:2022-04-20 10:20:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:reywNe0HOb9w0zcpZlwd/T5LwU9HSQxMtE1M3jWJUa:rPKi/IlwH9ZxMtE1M3qJU
Threatray 2'786 similar samples on MalwareBazaar
TLSH T18845F1017E94CA51F1996A77C9DF811407B4BCA1AFB3E32B79E9326D0C21752B805ACF
File icon (PE):PE icon
dhash icon f0cc8e9cf48cdce0 (11 x RemcosRAT, 4 x NanoCore, 3 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
12
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm control.exe obfuscated packed replace.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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
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 signatures2 2 Behavior Graph ID: 588981 Sample: QiX59GfCUN.exe Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 7 other signatures 2->54 10 QiX59GfCUN.exe 3 2->10         started        14 UDP.exe 2 2->14         started        16 UDP.exe 2 2->16         started        process3 file4 44 C:\Users\user\AppData\...\QiX59GfCUN.exe.log, ASCII 10->44 dropped 58 Contains functionalty to change the wallpaper 10->58 60 Contains functionality to steal Chrome passwords or cookies 10->60 62 Contains functionality to inject code into remote processes 10->62 64 2 other signatures 10->64 18 QiX59GfCUN.exe 4 4 10->18         started        21 UDP.exe 14->21         started        23 UDP.exe 16->23         started        signatures5 process6 file7 38 C:\Users\user\AppData\Roaming\UDP.exe, PE32 18->38 dropped 40 C:\Users\user\...\UDP.exe:Zone.Identifier, ASCII 18->40 dropped 42 C:\Users\user\AppData\Local\...\install.vbs, data 18->42 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 UDP.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures11 66 Multi AV Scanner detection for dropped file 29->66 34 UDP.exe 2 1 29->34         started        process12 dnsIp13 46 davidwongwarzone.zapto.org 31.210.20.25, 2030, 49776 PLUSSERVER-ASN1DE Netherlands 34->46 56 Installs a global keyboard hook 34->56 signatures14
Threat name:
ByteCode-MSIL.Trojan.GenKryptikAGen
Status:
Malicious
First seen:
2022-03-13 23:30:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:gee2022 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
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
davidwongwarzone.zapto.org:2030
Unpacked files
SH256 hash:
1410a7e8e075a2d019de7e093cb24db9b640369b7f6da9d139c0264cee9ec8ee
MD5 hash:
52802151f5e32173de5235644d7b621a
SHA1 hash:
c1b6f7dc9e49e669252fd739384d6481f7c706f2
SH256 hash:
f06243af6faed921be54183823deb69ca505d1c0124e28880b5b50b965a55173
MD5 hash:
2d9a02ee371bfd86c144b04b033ddd84
SHA1 hash:
b6f7ae631225950f5aee363bfb00ef0e4488e71d
SH256 hash:
f5bc8b44b8bfe31a730017d9b95e446c724589de702b61be93a6cc0332da803b
MD5 hash:
0c3aafa70cad1802fab3fd051f388782
SHA1 hash:
5ef4dee7881ff81554ffeac716229d1fb5f61a6a
SH256 hash:
d8168174e2c1e5929b3203b90d8c817ed60de66c3cdee1ea5f174aaae425f42a
MD5 hash:
d6ba78983dd5c321bf07c656c5ec57cf
SHA1 hash:
40fc88a80e9d7b34ab16b28870986cde4e48cfd4
SH256 hash:
a13413e943524c263e465a80c51762f3de59d423120f2de8a5d14ac8f4be8892
MD5 hash:
d8f677fca89698e4dc31f5d183808f52
SHA1 hash:
1dfb956a82af79d9c39a3ad94541bd3b732dc5ff
SH256 hash:
03087781a021aac8e388ba4e6f003f20589c02a58f71a326fccea78b7e7f2ba1
MD5 hash:
c53242f8b36c6d07bbaa758174ea77fd
SHA1 hash:
2358bdf44e2037330dd55d0050edf24ffc240d9b
Malware family:
Verdict:
Malicious
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 03087781a021aac8e388ba4e6f003f20589c02a58f71a326fccea78b7e7f2ba1

(this sample)

  
Delivery method
Distributed via web download

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