MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35d2fc15f996c73842978e40af9deafb8bf3e7791c9abfcb77c87b2d34a8bc88. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: 35d2fc15f996c73842978e40af9deafb8bf3e7791c9abfcb77c87b2d34a8bc88
SHA3-384 hash: 2257d815c6a26cf854d9318678b228378dd2d6eda2e430a347a99c47f99ecaa6a29ff6c810306450b70c726e661026a0
SHA1 hash: 8893dd029f8f278b1866f61657bd51771d44d938
MD5 hash: a5ebc49571041789245437d1bd7bc271
humanhash: north-east-berlin-failed
File name:PRODUCT ENQUIRY #20211027.exe
Download: download sample
Signature RemcosRAT
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File size:1'683'456 bytes
First seen:2021-10-27 12:20:21 UTC
Last seen:2021-10-27 13:27:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:GUePc7WrBOHwUFaSC5dAM2QWnEnj1mCbzethf:GUeU7WrBtcQISj1mCfethf
Threatray 1'291 similar samples on MalwareBazaar
TLSH T136755B2A73987F92E15D6F34881F1C0993F291633374F2AB79C5DAE10649F998B1E027
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
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Link:
https://www.capesandbox.com/analysis/200508/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.5457.5220.15539.UNOFFICIAL
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Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching a service
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6179442fdb358dd15edfb142/reports/50a6f1fc-c4f5-46fe-9f59-52fa1a0d899d/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/2f685a2d-933c-4e6d-b3ff-263f45c1c98f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/877718
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
Detected Remcos RAT
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Multi AV Scanner detection for dropped file
Sigma detected: System File Execution Location Anomaly
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 510153 Sample: PRODUCT ENQUIRY #20211027.exe Startdate: 27/10/2021 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Detected Remcos RAT 2->60 62 6 other signatures 2->62 8 PRODUCT ENQUIRY #20211027.exe 15 7 2->8         started        process3 dnsIp4 50 www.google.com 142.250.185.228, 443, 49750, 49795 GOOGLEUS United States 8->50 38 C:\Users\user\AppData\Roaming\MAINPROC.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\...\InstallUtil.exe, PE32 8->40 dropped 42 C:\Users\...\MAINPROC.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\...\PRODUCT ENQUIRY #20211027.exe.log, ASCII 8->44 dropped 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->76 13 MAINPROC.exe 14 5 8->13         started        18 cmd.exe 1 8->18         started        file5 signatures6 process7 dnsIp8 52 192.168.2.1 unknown unknown 13->52 54 www.google.com 13->54 46 C:\Users\user\AppData\Local\Temp\SMSS.exe, PE32 13->46 dropped 78 Multi AV Scanner detection for dropped file 13->78 80 Machine Learning detection for dropped file 13->80 82 Writes to foreign memory regions 13->82 84 4 other signatures 13->84 20 InstallUtil.exe 2 13->20         started        24 SMSS.exe 2 13->24         started        26 SMSS.exe 1 13->26         started        28 SMSS.exe 13->28         started        30 reg.exe 1 1 18->30         started        32 conhost.exe 18->32         started        file9 signatures10 process11 dnsIp12 48 185.140.53.178, 2404, 49835, 49836 DAVID_CRAIGGG Sweden 20->48 64 Contains functionality to steal Chrome passwords or cookies 20->64 66 Contains functionality to inject code into remote processes 20->66 68 Contains functionality to steal Firefox passwords or cookies 20->68 70 Delayed program exit found 20->70 72 Multi AV Scanner detection for dropped file 24->72 34 SMSS.exe 24->34         started        36 SMSS.exe 26->36         started        74 Creates an undocumented autostart registry key 30->74 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35d2fc15f996c73842978e40af9deafb8bf3e7791c9abfcb77c87b2d34a8bc88/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-10-27 12:21:04 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gxjpyfpzs3dtqquxrzak7hpk7of7hz3zdsnl7s3xzb5s2nfixsea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1730338ca0fbfe0985bed5638fc8599a6dd38761ab8b89e3d8a076947a320028
RemcosRAT
1a261ffbe76d224c7d9f9136723f1cdf35f661d0e5a38f43a7ee2cb31606f359
RemcosRAT
1bcb5256d3c0ac49ce2b13c2638d2a795f6cdf77591d29cb01d0b3731615470b
RemcosRAT
57da2f9c44a98ed354ca0c09b818b3078067bc53d997335176fa55f774abaeb6
RemcosRAT
6b0ab733e35430a087bff4718cb7446be43dc8484a8669d887f717fd7cece0eb
RemcosRAT
71f0524220c02e27c282f118bd1da387695c2d805934cb4bf1362f8f1f5b0c5c
RemcosRAT
b1685b4946df16daf7ee4ecda64cc48bb48e5d0259eb0bddaca95df314de857d
RemcosRAT
ddf8299e0a1e35d69a3a0157d5238d754c60e6d1acc944da7345868a9fac2fa6
RemcosRAT
f138fb2bb1b74757f02ed6159d3766cd5bbae760e04907ea7520bc09dd968783
RemcosRAT
+ 1'281 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:tmt stub agilenet persistence rat
Link:
https://tria.ge/reports/211027-pjbl2aefg2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
185.140.53.178:2404
Unpacked files
SH256 hash:
35d2fc15f996c73842978e40af9deafb8bf3e7791c9abfcb77c87b2d34a8bc88
MD5 hash:
a5ebc49571041789245437d1bd7bc271
SHA1 hash:
8893dd029f8f278b1866f61657bd51771d44d938
Link:
https://www.unpac.me/results/f6309479-bc0c-4046-8b4e-43f306d8a8d3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/35d2fc15f996/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/35d2fc15f996c73842978e40af9deafb8bf3e7791c9abfcb77c87b2d34a8bc88

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
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Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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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 35d2fc15f996c73842978e40af9deafb8bf3e7791c9abfcb77c87b2d34a8bc88

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/200508/

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