MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fa3600a8755ad55c64cb5f046500db3d18bca1d86725ce25524b8be95dc4ced. 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: 7fa3600a8755ad55c64cb5f046500db3d18bca1d86725ce25524b8be95dc4ced
SHA3-384 hash: b87960b03bdf05ab5782b19ae9fe3f4b607b69fe16d5cf67adaf07eea5fe6efd980ec2ea0ef053516d5eaf8077cb0346
SHA1 hash: 92187b29a3db26a0a2a48ac9a251318f3930df39
MD5 hash: 5d3f8c90aa47731ede6cc52bc504db9b
humanhash: nineteen-island-sink-november
File name:5d3f8c90aa47731ede6cc52bc504db9b.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'297'344 bytes
First seen:2022-08-24 07:37:06 UTC
Last seen:2022-08-24 08:39:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:QpbRY95SN3cNwtvgXFa+otBJJcu15sGXKia:+bkSN3cNSY+tBJJcO5xX
Threatray 1'699 similar samples on MalwareBazaar
TLSH T12DB5D02C88952520CB30F7F43A258275D7A6EC64DAF3DE8FCD0431A36F7789901E6969
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 999c2e4d59716161 (2 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5d3f8c90aa47731ede6cc52bc504db9b.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-24 07:38:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/10dffd7f-410c-4c5d-89a4-b601e9a3650d

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/300792/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader45.12651.15248.13263.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos wacatac
Link:
https://www.filescan.io/uploads/6305d5dbc9bbd990978e22d2/reports/2a3e9a30-3285-434f-b443-0f5ce8d9ab93/overview
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/28af24df-d259-47aa-bcc0-3e0a226be1fe
Result
Threat name:
AsyncRAT, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1056826
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 689343 Sample: LVmAVyAhYW.exe Startdate: 24/08/2022 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 9 other signatures 2->67 7 LVmAVyAhYW.exe 1 7 2->7         started        11 Ccnaq.exe 4 2->11         started        13 Ccnaq.exe 3 2->13         started        process3 file4 45 C:\Users\user\AppData\Roaming\...\Ccnaq.exe, PE32 7->45 dropped 47 C:\Users\user\...\Ccnaq.exe:Zone.Identifier, ASCII 7->47 dropped 49 C:\Users\user\AppData\...\LVmAVyAhYW.exe.log, ASCII 7->49 dropped 69 Encrypted powershell cmdline option found 7->69 71 Writes to foreign memory regions 7->71 73 Injects a PE file into a foreign processes 7->73 15 InstallUtil.exe 2 17 7->15         started        19 powershell.exe 17 7->19         started        75 Multi AV Scanner detection for dropped file 11->75 77 Machine Learning detection for dropped file 11->77 21 powershell.exe 11->21         started        23 InstallUtil.exe 11->23         started        25 powershell.exe 13->25         started        27 InstallUtil.exe 13->27         started        signatures5 process6 dnsIp7 53 sfcarbotexpl.ddns.net 103.253.26.242, 44851, 49725, 49728 READYSERVER-SGREADYSERVERPTELTDSG Singapore 15->53 55 geoplugin.net 178.237.33.50, 49726, 80 ATOM86-ASATOM86NL Netherlands 15->55 57 Maps a DLL or memory area into another process 15->57 59 Installs a global keyboard hook 15->59 29 InstallUtil.exe 15->29         started        32 InstallUtil.exe 15->32         started        35 InstallUtil.exe 15->35         started        43 3 other processes 15->43 37 conhost.exe 19->37         started        39 conhost.exe 21->39         started        41 conhost.exe 25->41         started        signatures8 process9 dnsIp10 79 Tries to steal Instant Messenger accounts or passwords 29->79 81 Tries to steal Mail credentials (via file / registry access) 29->81 51 192.168.2.1 unknown unknown 32->51 83 Tries to harvest and steal browser information (history, passwords, etc) 32->83 signatures11
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7fa3600a8755ad55c64cb5f046500db3d18bca1d86725ce25524b8be95dc4ced/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-08-23 08:35:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 39 (43.59%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p6rwacuhkwwvlrsmwxyemuanwpiyxsq5qzzfzysves4l5fo4jtwq._file
Verdict:
malicious
Label(s):
masslogger
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remcos
Create hunting rule
Similar samples:
0dde1567eda7e12596be12b1fcd97acc8ad69a57bb75ce5db2d01ab64448688d
RemcosRAT
146e9314dabcad733e15ab5e796c53fda2be2b34ea00a0bc03efda9ea674202f
RemcosRAT
1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e
RemcosRAT
2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc
RemcosRAT
317977d99bebf5f65a24d6460fa2f98f5e875d1f85f12a430acb69f8dd3dfbdf
RemcosRAT
4177cb74219e4ff3d5453eba44a7a0c149591bd3b4eadfe52972567f317d40c3
RemcosRAT
5d6eba999783a02b983236280eb56702dcd5b7df5d8320b5d13209aee3141d8d
RemcosRAT
ae5e7a411b4e6dcc818f5f8ab9aa345b0203c834545e188f1518bdc3ba846235
RemcosRAT
cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00
RemcosRAT
ec0a3b7d3636b52ae025418ec21669e06c30f58930f11303571a2af6993ef365
RemcosRAT
+ 1'689 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:snrbys persistence rat
Link:
https://tria.ge/reports/220824-jgd2gsbdb3/
Behaviour
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
Remcos
Malware Config
C2 Extraction:
sfcarbotexpl.ddns.net:44851
Unpacked files
SH256 hash:
7fa3600a8755ad55c64cb5f046500db3d18bca1d86725ce25524b8be95dc4ced
MD5 hash:
5d3f8c90aa47731ede6cc52bc504db9b
SHA1 hash:
92187b29a3db26a0a2a48ac9a251318f3930df39
Link:
https://www.unpac.me/results/619d1071-fb9b-4744-80ed-774f89e69b6a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7fa3600a8755/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/7fa3600a8755ad55c64cb5f046500db3d18bca1d86725ce25524b8be95dc4ced

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
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
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.

Web download

RemcosRAT

Executable exe 7fa3600a8755ad55c64cb5f046500db3d18bca1d86725ce25524b8be95dc4ced

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2275683/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/300792/

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