MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6fbf2f15cfb25c5d7b256955aec6d940799d33f008a76919b0592caa677ba48. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d6fbf2f15cfb25c5d7b256955aec6d940799d33f008a76919b0592caa677ba48
SHA3-384 hash: 2bf1f497f8f063d34e5edeb9b960c30d0960f7894345b94ec70f2c6204005f4ce64f8343ebe84851baed4dc304fd8d56
SHA1 hash: ed9a2566be92661e006ab55d27a6548138ed38ba
MD5 hash: a018f5bf49a0dc782dcce82600f98cd3
humanhash: jersey-utah-carbon-uncle
File name:IMG-0253-WAA6647734849932885477638Onwloaevka.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'518'080 bytes
First seen:2023-10-27 15:03:33 UTC
Last seen:2023-10-27 15:51:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:y5xFJFU89hkKuJUxUXogrOdJmn8rUgxc8ZZZus/uROSi8N/YXymr9T+eJDsMMQh+:yPHF3IKaUxULSdJmn8wHuJuRxF49hQMo
Threatray 2'806 similar samples on MalwareBazaar
TLSH T10265128AF5001991CD689374193BDD395B26ADBEBC34844E20E97E6B3F77A93207E017
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 7ceed6dec4cec2c4 (3 x Formbook, 2 x RemcosRAT, 1 x PureCrypter)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
334
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
IMG-0253-WAA6647734849932885477638Onwloaevka.exe
Verdict:
Malicious activity
Analysis date:
2023-10-27 15:27:44 UTC
Tags:
rat remcos remote keylogger
Link:
https://app.any.run/tasks/479383c2-d249-49e4-ae58-4215bc94de0a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/456712/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.22126.17053.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
Sending an HTTP GET request
Searching for synchronization primitives
Reading critical registry keys
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed remcos
Link:
https://www.filescan.io/uploads/653bd163b38131f117a966ec/reports/7be01fdb-9ef0-4dea-bcbc-ab0ae32e6643/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d6fbf2f15cfb25c5d7b256955aec6d940799d33f008a76919b0592caa677ba48
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/035c1097-299d-43d9-8025-1fb4a6e894bf
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1333352
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1333352 Sample: IMG-0253-WAA664773484993288... Startdate: 27/10/2023 Architecture: WINDOWS Score: 100 42 geoplugin.net 2->42 44 cdn.discordapp.com 2->44 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 9 other signatures 2->58 9 IMG-0253-WAA6647734849932885477638Onwloaevka.exe 16 5 2->9         started        14 chromee.exe 14 5 2->14         started        signatures3 process4 dnsIp5 46 cdn.discordapp.com 162.159.135.233, 443, 49716, 49726 CLOUDFLARENETUS United States 9->46 36 C:\Users\user\AppData\Roaming\chromee.exe, PE32 9->36 dropped 66 Tries to steal Mail credentials (via file registry) 9->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->68 70 Contains functionality to modify clipboard data 9->70 72 Injects a PE file into a foreign processes 9->72 16 IMG-0253-WAA6647734849932885477638Onwloaevka.exe 3 14 9->16         started        74 Multi AV Scanner detection for dropped file 14->74 76 Contains functionality to bypass UAC (CMSTPLUA) 14->76 78 Contains functionalty to change the wallpaper 14->78 80 5 other signatures 14->80 21 chromee.exe 14->21         started        file6 signatures7 process8 dnsIp9 38 95.214.24.210, 2404, 49723, 49724 CMCSUS Germany 16->38 40 geoplugin.net 178.237.33.50, 49725, 80 ATOM86-ASATOM86NL Netherlands 16->40 34 C:\Users\user\AppData\Roaming\ourytgbh.dat, data 16->34 dropped 48 Maps a DLL or memory area into another process 16->48 50 Installs a global keyboard hook 16->50 23 IMG-0253-WAA6647734849932885477638Onwloaevka.exe 1 16->23         started        26 IMG-0253-WAA6647734849932885477638Onwloaevka.exe 14 16->26         started        28 IMG-0253-WAA6647734849932885477638Onwloaevka.exe 16->28         started        30 IMG-0253-WAA6647734849932885477638Onwloaevka.exe 16->30         started        file10 signatures11 process12 signatures13 60 Tries to steal Instant Messenger accounts or passwords 23->60 62 Tries to steal Mail credentials (via file / registry access) 23->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 32 WerFault.exe 22 18 28->32         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d6fbf2f15cfb25c5d7b256955aec6d940799d33f008a76919b0592caa677ba48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d6fbf2f15cfb25c5d7b256955aec6d940799d33f008a76919b0592caa677ba48/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-10-27 12:48:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
46
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2357f4k47ms4lv5sk2kvv3dnsqdztuz7acfhnem3awjmvjtxxjea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3bdd69de010f0f5eab2291127a6645fb8ed19f279276a6e7bf1122cf1937d61c
RemcosRAT
4eecb3d02825158bc36d86c8d75f37137a11576eb8fb9fec7e592648fd369f96
RemcosRAT
6d69abf704c0ac0c71d7d35cc0eaa5b0ba230b7538ee159ad415b06798143c33
RemcosRAT
70844fa5991d0089d8e76bb510ba8aeaeb1f0f053741c5876b15c4ced5075dc9
RemcosRAT
81e133f9aae32be3ff7a818fe7fa37eea017740c139e825641cf50dfaaa2a0a9
RemcosRAT
a8c7f79f118f3ff57bef79b5877355adab4269c99a6c61dfca429a46ff0fb357
RemcosRAT
b09ad34d756d9477b24bca1cb4dfcc95e21aa67f72817560dba0d9042255bdca
RemcosRAT
be8ccfb19dab5c8d7b4273dc77b34c7ca0afea516e6bf85f607904345a3ad54f
RemcosRAT
d1e1c9332fa8a6bd045fd4ccfa11055a4e17d1cad72239aab2400870191c4185
RemcosRAT
d31044022de445b61ba735083a47c5fd1f4d5c8dfcf544da489572ce3fafdc79
RemcosRAT
+ 2'796 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/231027-sfk8vafb9z/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
d6fbf2f15cfb25c5d7b256955aec6d940799d33f008a76919b0592caa677ba48
MD5 hash:
a018f5bf49a0dc782dcce82600f98cd3
SHA1 hash:
ed9a2566be92661e006ab55d27a6548138ed38ba
Link:
https://www.unpac.me/results/d94c152c-4d03-4f60-a50c-8e53ef1bb3d6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d6fbf2f15cfb/report/overview.html
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe d6fbf2f15cfb25c5d7b256955aec6d940799d33f008a76919b0592caa677ba48

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/456712/

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