MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d. 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 4 File information Comments
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SHA256 hash: a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d
SHA3-384 hash: 583eb9187de62022cad9e912465d9e2562e4766d5ced6b8734b10cda5707d99504ecacc4b37419b27b601bf00f5b3b44
SHA1 hash: 1d98956750c68f6a990cef79bceec62d315f051d
MD5 hash: 2df55fe3cc8f88d5f9330e7c507ab83e
humanhash: west-muppet-south-fix
File name:DHL - Ondemand Doc.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'031'168 bytes
First seen:2024-01-30 17:39:35 UTC
Last seen:2024-01-30 19:26:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:BIAICr8Efpjif+Pw/qDZqQSJEXUivF073F03sMo9HgbPs2ch:BgEgf+PwBJEXUivF07G8HGL
TLSH T1262512A2727ACF85E56A4BF14875412407F3AD1E8C66E60C2DA639EF77B33020852E57
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
482
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d.exe
Verdict:
Malicious activity
Analysis date:
2024-01-30 17:41:01 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/6ffe9116-880f-4727-bc77-77a3f76d754f

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/473627/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46194.13633.12139.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
Link:
https://www.filescan.io/uploads/65b9347c096abd9a0273d729/reports/3b13b467-b93d-45c0-9be1-e38911bc4518/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d
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:
MSIL Injector
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fa868dde-7122-4ecb-b78b-f53c7244f158
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1383494
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Process Patterns NTDS.DIT Exfil
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)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1383494 Sample: DHL_-_Ondemand_Doc.exe Startdate: 30/01/2024 Architecture: WINDOWS Score: 100 51 geoplugin.net 2->51 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 15 other signatures 2->63 8 DHL_-_Ondemand_Doc.exe 7 2->8         started        12 pqWjTK.exe 5 2->12         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\pqWjTK.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmp6D70.tmp, XML 8->49 dropped 65 Tries to steal Mail credentials (via file registry) 8->65 67 Uses schtasks.exe or at.exe to add and modify task schedules 8->67 69 Adds a directory exclusion to Windows Defender 8->69 71 Injects a PE file into a foreign processes 8->71 14 DHL_-_Ondemand_Doc.exe 3 14 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        73 Multi AV Scanner detection for dropped file 12->73 75 Contains functionality to bypass UAC (CMSTPLUA) 12->75 77 Contains functionalty to change the wallpaper 12->77 79 5 other signatures 12->79 24 schtasks.exe 12->24         started        26 pqWjTK.exe 12->26         started        signatures6 process7 dnsIp8 53 198.27.121.194, 2024, 49708, 49709 OVHFR Canada 14->53 55 geoplugin.net 178.237.33.50, 49712, 80 ATOM86-ASATOM86NL Netherlands 14->55 87 Tries to harvest and steal browser information (history, passwords, etc) 14->87 89 Maps a DLL or memory area into another process 14->89 28 DHL_-_Ondemand_Doc.exe 14->28         started        31 DHL_-_Ondemand_Doc.exe 14->31         started        33 DHL_-_Ondemand_Doc.exe 14->33         started        45 2 other processes 14->45 35 conhost.exe 18->35         started        37 WmiPrvSE.exe 18->37         started        39 conhost.exe 20->39         started        41 conhost.exe 22->41         started        43 conhost.exe 24->43         started        signatures9 process10 signatures11 81 Tries to steal Instant Messenger accounts or passwords 28->81 83 Tries to steal Mail credentials (via file / registry access) 28->83 85 Tries to harvest and steal browser information (history, passwords, etc) 31->85
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
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Status:
Malicious
First seen:
2024-01-30 09:22:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ve5sfmf5fs2np4rm36hth3dzxw4ou6r2qvq2phvcjjgmu26mdsoq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:desk collection rat spyware stealer
Link:
https://tria.ge/reports/240130-v8vn4aaec3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
198.27.121.194:2024
Unpacked files
SH256 hash:
549c0978868a5951b6d124a720f17830f9e26f5c92748cd57a23aa95db116895
MD5 hash:
f4fd6b54c37440df5200d28a97b2edb8
SHA1 hash:
ecab378d0d89a6089edb26da4749d014b6095dbb
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/2c15c0ed-4ad5-48be-866a-19bfbd24825d/
Parent samples :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 hash:
2fb6d17807c03b8bd083a37b86458869d34cfde1d1c09156de3e78008ec3c947
MD5 hash:
cb0ac01ba0dbe38cfcd731c310f026b5
SHA1 hash:
c0e1df67a37203b0ea08e352e6295a95224c916e
Link:
https://www.unpac.me/results/2c15c0ed-4ad5-48be-866a-19bfbd24825d/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/2c15c0ed-4ad5-48be-866a-19bfbd24825d/
SH256 hash:
e881f9cff814b60af1c362503d4b559417596e1f5affe6caf894d9043b718f37
MD5 hash:
a87a2c2b444e7f496a00b3afdb58c751
SHA1 hash:
1376add82e975d212ef4dfcea69defe547fdbe59
Link:
https://www.unpac.me/results/2c15c0ed-4ad5-48be-866a-19bfbd24825d/
SH256 hash:
a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d
MD5 hash:
2df55fe3cc8f88d5f9330e7c507ab83e
SHA1 hash:
1d98956750c68f6a990cef79bceec62d315f051d
Link:
https://www.unpac.me/results/2c15c0ed-4ad5-48be-866a-19bfbd24825d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a93b22b0bd2c/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/a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 a93b22b0bd2cb4d7f22cdf8f33ec79bdb8ea7a3a8561a79ea24a4cca6bcc1c9d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/473627/

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