MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be9fe1cd741c239b0ce1b3edc3fb8f87445acf71ab2fb5346197e50c2da66968. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: be9fe1cd741c239b0ce1b3edc3fb8f87445acf71ab2fb5346197e50c2da66968
SHA3-384 hash: b427b0cdc3b3288c8ab8859550ba1d351af7a67e086ff3af2503ac2e3fb7e70f8441ad32ef4f4d4718e1e5ef6b094710
SHA1 hash: c8d19594e9800f9a5a0c8126ce2514d6f8f9d45b
MD5 hash: b4b5917ae4c8231d912bd02bfccfe11a
humanhash: texas-march-orange-muppet
File name:b4b5917ae4c8231d912bd02bfccfe11a
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'110'016 bytes
First seen:2022-10-22 04:36:51 UTC
Last seen:2022-10-22 07:07:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:sQkTuE0RAaMZqeaZWFJQEgwSdqZC62+cN2qd9H+fPpLnSlF:sBEeXqeaZWFJQtdqEF9HsnkF
TLSH T12B35232577938A29C3560A7A84D7012D47B0CB4D7133E78AA5CC52EF8D253F64B9A3CB
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 d02f2b3337297b96 (20 x RemcosRAT, 4 x AgentTesla, 1 x NanoCore)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ciaran O Donnell CV.xlsx
Verdict:
Malicious activity
Analysis date:
2022-10-21 02:59:19 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/e1b11593-7ba6-4d0c-8924-d58b6b05cb2c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/322497/
Detection(s):
SecuriteInfo.com.Variant.Lazy.254755.817.23176.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for the window
Creating a window
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/635373701b976e20e2c2b7a5/reports/4323acd5-6b40-4845-8e8f-b33f6a195717/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/c96b3b27-5478-42f1-8817-a85a0e7b7aa5
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1095287
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Installs a global keyboard hook
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
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 727928 Sample: RmJ8tbScqi.exe Startdate: 22/10/2022 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for dropped file 2->66 68 11 other signatures 2->68 10 RmJ8tbScqi.exe 3 2->10         started        13 oos.exe 2 2->13         started        15 oos.exe 2 2->15         started        17 oos.exe 2->17         started        process3 file4 54 C:\Users\user\AppData\...\RmJ8tbScqi.exe.log, ASCII 10->54 dropped 19 RmJ8tbScqi.exe 5 4 10->19         started        22 oos.exe 13->22         started        24 oos.exe 13->24         started        26 oos.exe 15->26         started        28 oos.exe 17->28         started        process5 file6 46 C:\Users\user\AppData\Roaming\oos.exe, PE32 19->46 dropped 48 C:\Users\user\...\oos.exe:Zone.Identifier, ASCII 19->48 dropped 50 C:\Users\user\AppData\Local\...\install.vbs, data 19->50 dropped 30 wscript.exe 1 19->30         started        process7 process8 32 cmd.exe 1 30->32         started        process9 34 oos.exe 3 32->34         started        37 conhost.exe 32->37         started        signatures10 70 Antivirus detection for dropped file 34->70 72 Multi AV Scanner detection for dropped file 34->72 74 Machine Learning detection for dropped file 34->74 39 oos.exe 15 34->39         started        44 oos.exe 34->44         started        process11 dnsIp12 56 xpremcuz300622.ddns.net 171.22.30.56, 3542, 49695 CMCSUS Germany 39->56 58 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 39->58 60 192.168.2.1 unknown unknown 39->60 52 C:\ProgramData\remcos\logs.dat, data 39->52 dropped 76 Installs a global keyboard hook 39->76 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/be9fe1cd741c239b0ce1b3edc3fb8f87445acf71ab2fb5346197e50c2da66968/
Threat name:
Win32.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-10-21 03:58:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x2p6dtludqrzwdhbwpw4h64pq5cfvt3rvmx3kndbs7sqylngnfua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:xp persistence rat
Link:
https://tria.ge/reports/221022-e8s79sagfk/
Behaviour
Modifies registry class
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:
xpremcuz300622.ddns.net:3542
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/fb85d300-f554-4676-933e-75279eeabdf5
Unpacked files
SH256 hash:
597dc46a254f145b30823349175801a7a18a79546b981c03c6f65d618d3c1a94
MD5 hash:
dd1232c07e3cd52b2accabe79e84de71
SHA1 hash:
366b3f3fc175b3784bde68bd82043fd7143a9ad1
Link:
https://www.unpac.me/results/29007439-d778-4889-b065-5a27ff03d572/
SH256 hash:
e5db62eb9602eb4e7b1d2eda848b5f65f1ac35bc90e9127f4777b09493f1fcec
MD5 hash:
9705fef6bfdfbb7e9546fb9a9d1e4afc
SHA1 hash:
e74765ab9298b57cbad7927d693261c78075169d
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/29007439-d778-4889-b065-5a27ff03d572/
Parent samples :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 hash:
dc0c0177f6a38b56496750031a52944f98a6c2aa39e7aa29aaa30370d4f1d454
MD5 hash:
cba00fa722a9a3f02e8e8baa0e020e58
SHA1 hash:
90d308eddebf3a9dc952a7e7cba07fadba565dd8
Link:
https://www.unpac.me/results/29007439-d778-4889-b065-5a27ff03d572/
SH256 hash:
f4452b74a8ce15c29333e4a266cbdf6dca5f81bfc318f9c2e32b0a0b10e3d14d
MD5 hash:
d5ed483484ebc93846751e04dadb764d
SHA1 hash:
658650117e4ba766a8536d5cc5139f6ab8e057e7
Link:
https://www.unpac.me/results/29007439-d778-4889-b065-5a27ff03d572/
SH256 hash:
be9fe1cd741c239b0ce1b3edc3fb8f87445acf71ab2fb5346197e50c2da66968
MD5 hash:
b4b5917ae4c8231d912bd02bfccfe11a
SHA1 hash:
c8d19594e9800f9a5a0c8126ce2514d6f8f9d45b
Link:
https://www.unpac.me/results/29007439-d778-4889-b065-5a27ff03d572/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/be9fe1cd741c/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/be9fe1cd741c239b0ce1b3edc3fb8f87445acf71ab2fb5346197e50c2da66968

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
Create hunting rule
Author:jeFF0Falltrades
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 be9fe1cd741c239b0ce1b3edc3fb8f87445acf71ab2fb5346197e50c2da66968

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2381616/
Cape
Cape
https://www.capesandbox.com/analysis/322497/

Comments


Avatar
zbet commented on 2022-10-22 04:37:04 UTC

url : hxxp://185.216.71.161/XXZ.exe