MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 287899f0c2ed9274def6614ce3f658335cb1f832e1afbfc1d8e3076bdf097054. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 287899f0c2ed9274def6614ce3f658335cb1f832e1afbfc1d8e3076bdf097054
SHA3-384 hash: 49e38c8e43a4cd8dedfb38754ac556bbb51eaf980cb940f00ecf81c7c1909e9b9f79d2b265f80fae94a9969bb9e892f9
SHA1 hash: 35467ebca98491d4068c2e7a54888fcc18534cd4
MD5 hash: 0a30337447843d00f0c89e99a94cadd9
humanhash: virginia-lithium-blossom-orange
File name:SecuriteInfo.com.Trojan.Siggen17.38460.1823.1579
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:656'896 bytes
First seen:2022-04-14 04:33:45 UTC
Last seen:2022-04-15 19:53:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:dJrxSf7cQZWa+Xpt9smg2KyEHAYhe/h6+FXzJ:jYDnMTTkVHLIhPX
Threatray 2'925 similar samples on MalwareBazaar
TLSH T1FCD4F0A20C226292D1A42F75D1E3CCB17AA0B8994449B7DDF8C9EB543FF65C4D580BBC
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
317
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/263534/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.38460.1823.1579.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Creating a file in the %AppData% subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6257a43b482f2f41caab986e/reports/38e65f09-960c-49ab-8bcd-caef2386e495/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/fcbecfe8-a1cf-4195-8142-310db3272b02
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976552
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
Contains functionalty to change the wallpaper
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:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/287899f0c2ed9274def6614ce3f658335cb1f832e1afbfc1d8e3076bdf097054/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-04-14 02:46:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb4jt4gc5wjhjxxwmfgoh5sygnold6bs4gx37qoy4mdwxxyjobka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2d6b7a5513ed0cb451701bb494fb87382061195c115ede553f062b4fc0fd4f97
RemcosRAT
4ce893ef0bd7abeb769c3c3e57863700f41882befbee770733f0da86e015e7cb
RemcosRAT
6ea16cb1cf48e7eaec58a6f2aa22119b3753adff7782d5ce96282ba99e6ffa42
RemcosRAT
7ef0d658364d22fe0bad6552f114fb4c07046497f06fe6ca0094c5863955e27d
RemcosRAT
a02d52f23eb9e8a857c9ed01d81e6220e787a1e2838d42c2734e99bc73cff250
RemcosRAT
ea812747173109ca7a8724a7a6a14b1518f436417a00e92d03b962d99821664c
RemcosRAT
ebf21217cedcf7f1809418985cb120b150b12d2ec955119c73f7c3170b5f2232
RemcosRAT
+ 2'915 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:more rat
Link:
https://tria.ge/reports/220414-e63zpagbgn/
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:
d130b2d5440d69b92d127640decd8feca9661fbc03a93a39023b3ec8b589dec7
MD5 hash:
085c646c94caa963841ffc1bfa6d20eb
SHA1 hash:
cf06f6590c32379cfb01db776398df15d341f741
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/d67adc75-063a-47d0-8b3a-0d2ad4b62e8f/
Parent samples :
8c45a06d9b4a601333c206c47747108e511e9609b184a26de49b925e463ed808
0d08258ee5cde4341d641b04c11d01427309a865ef0ae0601d5a8663ae3a79eb
287899f0c2ed9274def6614ce3f658335cb1f832e1afbfc1d8e3076bdf097054
e9f0de091b5fd4d63fb10f0deca4e360a78341675f2bbef4c03f8cb89c081844
451ab9846f3c63a6b5f2e25ab5f58bb4180cf414062f52e280bd98eafea81963
36eae83dd16e98d3f62475ff48c33f731651e41ff52b0558b509d7a4d665e0b8
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/d67adc75-063a-47d0-8b3a-0d2ad4b62e8f/
SH256 hash:
a12be92d4ec9c86d5792db5fa55632a6d644ab7090304346cd660f9c2b3bf2bc
MD5 hash:
4aed80229cd480f28e9410e3336bfec4
SHA1 hash:
2fdf532357f8d025412db479c7b5020a883e70dc
Link:
https://www.unpac.me/results/d67adc75-063a-47d0-8b3a-0d2ad4b62e8f/
SH256 hash:
287899f0c2ed9274def6614ce3f658335cb1f832e1afbfc1d8e3076bdf097054
MD5 hash:
0a30337447843d00f0c89e99a94cadd9
SHA1 hash:
35467ebca98491d4068c2e7a54888fcc18534cd4
Link:
https://www.unpac.me/results/d67adc75-063a-47d0-8b3a-0d2ad4b62e8f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/287899f0c2ed9274def6614ce3f658335cb1f832e1afbfc1d8e3076bdf097054

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/263534/

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