MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6
SHA3-384 hash: e742a9c9bca5ca6f11da1a465380fd24943a3f9b6fe387ad36394334924c108304af072918cc191a50c13ffbb08ccb55
SHA1 hash: 87ea8a5bae7b2d9704428efbb2208f2d0bea27f2
MD5 hash: 8de81e038f6e0bc84798b6858ec63239
humanhash: carolina-red-fifteen-earth
File name:8de81e038f6e0bc84798b6858ec63239
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:174'432 bytes
First seen:2022-09-11 01:07:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:fVohjcwaiLHop0ELrdqN2ZE3FihDwSqblh1dNnfdAOFyrRBV1pga/eHUTQQQQQQx:9SvaiS0EO2ZEFgU1H1DlAOYrhoJ8LL7
Threatray 2'045 similar samples on MalwareBazaar
TLSH T18F04E143C6E20963D95B9DB1B0E301835BB0920E79D14BA7E59CB0690E9F34B3597ECE
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 550959654d651945 (37 x Formbook, 28 x AgentTesla, 14 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
352
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8de81e038f6e0bc84798b6858ec63239
Verdict:
Malicious activity
Analysis date:
2022-09-11 01:09:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/728d48fd-c24a-40ea-a50e-52a8e0ad24e7

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/309175/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61846704.26200.18698.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a process with a hidden window
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/631d3549a90642bcbbfe2417/reports/5dbfbfc2-9a53-46a7-85e0-d1fa9aee5c64/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4d2d007e-884c-4736-bc0a-f18d2f2785a4
Result
Threat name:
AsyncRAT, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068293
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Drops PE files to the startup folder
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 700825 Sample: 63G9Hz6uQ1.exe Startdate: 11/09/2022 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for domain / URL 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 12 other signatures 2->47 8 63G9Hz6uQ1.exe 1 2->8         started        process3 file4 33 C:\Users\user\AppData\...\63G9Hz6uQ1.exe.log, ASCII 8->33 dropped 51 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->51 12 powershell.exe 11 8->12         started        16 aspnet_compiler.exe 15 4 8->16         started        signatures5 process6 dnsIp7 35 C:\Users\user\AppData\...\Systdfhhfdhdfem.exe, PE32 12->35 dropped 37 C:\...\Systdfhhfdhdfem.exe:Zone.Identifier, ASCII 12->37 dropped 53 Drops PE files to the startup folder 12->53 55 Powershell drops PE file 12->55 19 conhost.exe 12->19         started        39 www.uplooder.net 144.76.120.25, 443, 49720 HETZNER-ASDE Germany 16->39 57 Encrypted powershell cmdline option found 16->57 59 Injects a PE file into a foreign processes 16->59 21 aspnet_compiler.exe 4 4 16->21         started        25 powershell.exe 14 16->25         started        file8 signatures9 process10 file11 31 C:\ProgramData\work\FILE.EXE, PE32 21->31 dropped 49 Creates an undocumented autostart registry key 21->49 27 wscript.exe 21->27         started        29 conhost.exe 25->29         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2022-09-07 13:56:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=45woxraexctz4kvya2r6kanz2l3smdvb2exyaqzayejqxyqf373a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
146e9314dabcad733e15ab5e796c53fda2be2b34ea00a0bc03efda9ea674202f
RemcosRAT
1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e
RemcosRAT
2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
5d6eba999783a02b983236280eb56702dcd5b7df5d8320b5d13209aee3141d8d
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
+ 2'035 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:new persistence rat
Link:
https://tria.ge/reports/220911-bg71kaeefp/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Drops startup file
Loads dropped DLL
Adds policy Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
remcapi.duckdns.org:2028
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/f770fc18-342b-466a-bf41-ad1cb4ac0dec/
SH256 hash:
fdf2b35de73abf369dadf10bbf73ebd33992cff7823db88bb708a85e0a0e75fa
MD5 hash:
c48921298e7e81012ff0304368bbf17f
SHA1 hash:
580f28e36d68815fe09a16e118be93f7730d7127
Link:
https://www.unpac.me/results/f770fc18-342b-466a-bf41-ad1cb4ac0dec/
SH256 hash:
e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6
MD5 hash:
8de81e038f6e0bc84798b6858ec63239
SHA1 hash:
87ea8a5bae7b2d9704428efbb2208f2d0bea27f2
Link:
https://www.unpac.me/results/f770fc18-342b-466a-bf41-ad1cb4ac0dec/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e76cebc404b8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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.

Web download

RemcosRAT

Executable exe e76cebc404b8a79e2ab806a3e501b9d2f7260ea1d12f804320c1130be205dff6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2299037/
Cape
Cape
https://www.capesandbox.com/analysis/309175/

Comments


Avatar
zbet commented on 2022-09-11 01:08:05 UTC

url : hxxp://95.214.24.120/vect/yytdsghghdfb.exe