MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc663a12e76623f5bcb297c16a209b0ef5a978f2474ba9027d9ec4601c3fcc16. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc663a12e76623f5bcb297c16a209b0ef5a978f2474ba9027d9ec4601c3fcc16
SHA3-384 hash: 9bd4af1f22b7bd239eab22c896948bafa20c18484b13e20127ebc49395cd2c86091f91f7a7c0101bba64bdcb428cf2cb
SHA1 hash: 017fbfd3040bc5cbfa724fb195d3a5240ae16d90
MD5 hash: b5fe9871d9ea49f5690b3b02e52432be
humanhash: orange-may-kilo-sad
File name:ödeme belgesi.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'099'776 bytes
First seen:2023-03-27 10:17:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:j/lSdIQHTtf6++IdMUXuMjyKBhQXglmvgQoVPGK8n:jTV2njpmvgQolGf
Threatray 1'769 similar samples on MalwareBazaar
TLSH T17B350701BBFEDA23E2DE0737D8F0086807F1E851E662E71F25D566991A137A34E06727
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f06996d6cad20d52 (3 x RemcosRAT, 3 x Formbook)
Reporter abuse_ch
Tags:exe geo RAT RemcosRAT TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
ödeme belgesi.exe
Verdict:
Malicious activity
Analysis date:
2023-03-27 10:18:52 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/ae0036fc-91d7-4bb8-b27b-7ca0396694b0

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/377818/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/64216d5c318b503355a8c5c6/reports/d677b6fa-9d3f-4858-8121-94705718d24a/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1323343
Link:
https://www.hybrid-analysis.com/sample/bc663a12e76623f5bcb297c16a209b0ef5a978f2474ba9027d9ec4601c3fcc16
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f505c158-2acc-4513-88d4-479a96ec9682
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1202567
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Sigma detected: Remcos
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)
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 835472 Sample: #U00f6deme_belgesi.exe Startdate: 27/03/2023 Architecture: WINDOWS Score: 100 65 Multi AV Scanner detection for domain / URL 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 7 other signatures 2->71 8 #U00f6deme_belgesi.exe 16 7 2->8         started        13 Hzzlsg.exe 2->13         started        process3 dnsIp4 45 web.fe.1drv.com 8->45 47 onedrive.live.com 8->47 53 2 other IPs or domains 8->53 39 C:\Users\user\AppData\Roaming\...\Hzzlsg.exe, PE32 8->39 dropped 41 C:\Users\user\...\Hzzlsg.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\...\#U00f6deme_belgesi.exe.log, ASCII 8->43 dropped 79 Contains functionality to bypass UAC (CMSTPLUA) 8->79 81 Performs DNS queries to domains with low reputation 8->81 83 Encrypted powershell cmdline option found 8->83 89 4 other signatures 8->89 15 #U00f6deme_belgesi.exe 3 14 8->15         started        19 powershell.exe 16 8->19         started        49 web.fe.1drv.com 13->49 51 onedrive.live.com 13->51 55 2 other IPs or domains 13->55 85 Multi AV Scanner detection for dropped file 13->85 87 Machine Learning detection for dropped file 13->87 file5 signatures6 process7 dnsIp8 59 top.thekillforabuse1.xyz 195.178.120.12, 1068, 49701, 49702 HEXAGLOBE-ASFR unknown 15->59 61 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 15->61 63 Maps a DLL or memory area into another process 15->63 21 #U00f6deme_belgesi.exe 1 15->21         started        24 #U00f6deme_belgesi.exe 15->24         started        26 #U00f6deme_belgesi.exe 15->26         started        30 25 other processes 15->30 28 conhost.exe 19->28         started        signatures9 process10 dnsIp11 73 Tries to steal Instant Messenger accounts or passwords 21->73 75 Tries to steal Mail credentials (via file / registry access) 21->75 57 192.168.2.1 unknown unknown 30->57 77 Tries to harvest and steal browser information (history, passwords, etc) 30->77 33 WerFault.exe 17 11 30->33         started        35 WerFault.exe 6 11 30->35         started        37 WerFault.exe 30->37         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc663a12e76623f5bcb297c16a209b0ef5a978f2474ba9027d9ec4601c3fcc16/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-27 07:21:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrtduexhmyr7lpfss7awuie3b322s6hsi5f2sat5t3cgahb7zqla._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f27e5f647e28a535aa0ab9dde5c707150431f10c62d12f1e192ea02d698b3e4
RemcosRAT
0f8c7d288333c8d1c5d450abeaf869de3d58eb5e8d16138c52b0391cf7a645cc
RemcosRAT
2010a7e1a136a9881ba4db4beb99088ea77ea2997d36e6d1d16fc696b34fda8b
RemcosRAT
7e09b162052fa0f01f2d48609446e1cc66fea01afa412d5aee4cca9afa98fe52
RemcosRAT
c9ec59e23695adca831f06aca398c511cac81f2fd65c7353f14b4725791ab80a
RemcosRAT
dacbcd625ca7774424759d127d5fd0a02acfd39c9e15caab4b76d64caa6357a4
RemcosRAT
df98e5b50efcf7aedf479030e51ca5b9990fad9f0d20d729bb106198ddee923e
RemcosRAT
f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54
RemcosRAT
+ 1'759 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat spyware stealer
Link:
https://tria.ge/reports/230327-mbyqgsch58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
top.thekillforabuse1.xyz:1068
Unpacked files
SH256 hash:
bc663a12e76623f5bcb297c16a209b0ef5a978f2474ba9027d9ec4601c3fcc16
MD5 hash:
b5fe9871d9ea49f5690b3b02e52432be
SHA1 hash:
017fbfd3040bc5cbfa724fb195d3a5240ae16d90
Link:
https://www.unpac.me/results/399c12c2-6fa0-4799-b11d-9b37feda52b6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc663a12e766/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/bc663a12e76623f5bcb297c16a209b0ef5a978f2474ba9027d9ec4601c3fcc16

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
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 bc663a12e76623f5bcb297c16a209b0ef5a978f2474ba9027d9ec4601c3fcc16

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/377818/

Comments