MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56a3dc5c90ade897e349ba0fd0433770dcdda32b5bd2a1c6608b2af2f9b34c05. 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: 17


Intelligence 17 IOCs YARA 16 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56a3dc5c90ade897e349ba0fd0433770dcdda32b5bd2a1c6608b2af2f9b34c05
SHA3-384 hash: cfe25bb9dcc00f521d8ad39225f261a806549032f3a2109a8c3a41d625a4db969d4b0a4d8886b653d7d5d57a349633c8
SHA1 hash: 3e03898f87c2cc47d57893c3dd55302281e9f2b5
MD5 hash: cffe529403460c6affe0f52c1e7de602
humanhash: earth-snake-island-december
File name:cffe529403460c6affe0f52c1e7de602
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'243'648 bytes
First seen:2023-09-05 14:01:10 UTC
Last seen:2023-09-05 20:18:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash beefa6546dd4570bf21020f1082d8b97 (2 x RemcosRAT, 1 x DBatLoader, 1 x Formbook)
ssdeep 24576:ORTaL+A2f8Zhp8bYm1EnyWjkf0eFuPD+4m:gTaKsh
Threatray 9 similar samples on MalwareBazaar
TLSH T1E5457DE2A354CC72F06A3578C849B6C0382A7DED693A5CCD666C794A1A73761793C03F
TrID 54.3% (.EXE) InstallShield setup (43053/19/16)
16.5% (.SCR) Windows screen saver (13097/50/3)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.EXE) Win32 Executable (generic) (4505/5/1)
2.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 60e094e28484a0cc (2 x RemcosRAT, 1 x DBatLoader, 1 x Formbook)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
294
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Exploit.CVE-2018-0798.4.25783.32439
Verdict:
Malicious activity
Analysis date:
2023-09-05 09:34:25 UTC
Tags:
exploit cve-2017-11882 loader dbatloader rat remcos remote keylogger
Link:
https://app.any.run/tasks/25c9e85c-2dd4-4072-9391-86f4144f1622

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
ModiLoader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/446374/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.3285.21248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Gathering data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control keylogger lolbin replace
Link:
https://www.filescan.io/uploads/64f734db560864d1b6757f2a/reports/2300cc72-c6bc-457a-a408-65b04882144e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/56a3dc5c90ade897e349ba0fd0433770dcdda32b5bd2a1c6608b2af2f9b34c05
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c3328100-9bd0-45b2-892d-6046cc9ed58c
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1303631
Signature
Allocates memory in foreign processes
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Drops PE files with a suspicious file extension
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1303631 Sample: gag3PmXwfh.exe Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 33 tornado.ydns.eu 2->33 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 6 other signatures 2->51 7 gag3PmXwfh.exe 1 2 2->7         started        12 Fnvtdhen.PIF 2->12         started        14 Fnvtdhen.PIF 2->14         started        signatures3 process4 dnsIp5 35 wsvdyhrgebwhevawe.ydns.eu 81.161.229.9, 49721, 49730, 49744 CMCSUS Germany 7->35 27 C:\Users\Public\Libraries\Fnvtdhen.PIF, PE32 7->27 dropped 53 Drops PE files with a suspicious file extension 7->53 55 Writes to foreign memory regions 7->55 57 Allocates memory in foreign processes 7->57 16 SndVol.exe 3 3 7->16         started        59 Injects a PE file into a foreign processes 12->59 21 colorcpl.exe 12->21         started        61 Multi AV Scanner detection for dropped file 14->61 23 SndVol.exe 14->23         started        file6 signatures7 process8 dnsIp9 29 tornado.ydns.eu 193.42.32.61, 1972, 49724, 49725 EENET-ASEE Germany 16->29 31 orifak.ydns.eu 16->31 25 C:\ProgramData\remcos\logs.dat, data 16->25 dropped 37 Contains functionality to bypass UAC (CMSTPLUA) 16->37 39 Contains functionality to steal Chrome passwords or cookies 16->39 41 Contains functionality to modify clipboard data 16->41 43 2 other signatures 16->43 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56a3dc5c90ade897e349ba0fd0433770dcdda32b5bd2a1c6608b2af2f9b34c05/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-09-05 08:13:41 UTC
File Type:
PE (Exe)
Extracted files:
106
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k2r5yxeqvxujpy2jxih5aqzxodon3izllpjkdrtarmvpf6ntjqcq._file
Verdict:
malicious
Similar samples:
287a8c784bc439337cd063735d6941eb0a40f2a9137b085bb86dd8d4aa14fcc9
RemcosRAT
3074b7ebb1cf86d43eb65ab8fdf650cfc5055c79ec91b2b685d74b7f244d39fb
RemcosRAT
33ca9923e204fe49ca08062c7799a0edd936be726f89e661756e058677eb4a96
RemcosRAT
46b90babfe4fa66ac9938280e0c884b0d490a34071bd29b846a2aa0c7a89e265
RemcosRAT
8be7eccf75282dc9c49fb20b4c7a500cf4fcd2e5401892dea640f0fd0663524e
RemcosRAT
8fa3e79856319c3ac7ff04639dcdbaec1ec7ce8c92e4a7aca8637751c84a247b
RemcosRAT
c9e1785bc8bf36c1e16b38755288f7b726f4ff29a87dfda9004c8f6d9400c51d
RemcosRAT
d3f1d0c0e37e33ad600d209bd43d61a3e94b6bd2a5d87b63c53184d070ee1680
RemcosRAT
ec2a93fc951dac56dd988691db138c94ea8cbd477127bf95c2a9483f602d6b1e
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:es 5th persistence rat trojan
Link:
https://tria.ge/reports/230905-rb4nysga84/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
tornado.ydns.eu:1972
orifak.ydns.eu:1972
Unpacked files
SH256 hash:
56a3dc5c90ade897e349ba0fd0433770dcdda32b5bd2a1c6608b2af2f9b34c05
MD5 hash:
cffe529403460c6affe0f52c1e7de602
SHA1 hash:
3e03898f87c2cc47d57893c3dd55302281e9f2b5
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/f4cdfa60-463a-4fb6-a410-d191f504474a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/56a3dc5c90ad/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/56a3dc5c90ade897e349ba0fd0433770dcdda32b5bd2a1c6608b2af2f9b34c05

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.

File information

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

Web download

RemcosRAT

Executable exe 56a3dc5c90ade897e349ba0fd0433770dcdda32b5bd2a1c6608b2af2f9b34c05

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2709886/
Cape
Cape
https://www.capesandbox.com/analysis/446374/

Comments


Avatar
zbet commented on 2023-09-05 14:01:11 UTC

url : hxxp://wsvdyhrgebwhevawe.ydns.eu/fileone/Fnvtdhenapsfwu.exe