MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d81429e1bb8b916855b051538112378a13496b011c821dfc285b6a915da6409f. 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 2 File information Comments 1
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SHA256 hash: d81429e1bb8b916855b051538112378a13496b011c821dfc285b6a915da6409f
SHA3-384 hash: 16654110599e1703057e36d93e76e1f423cbd93c83e696ca1e209051d954498b597776eaddb26817dda434a94f5c47e4
SHA1 hash: 5c03682a165fc07fba41ca37833ad859df68d818
MD5 hash: 01865bd2ae9272b5c18128c8ae5f1749
humanhash: sodium-sixteen-freddie-paris
File name:01865bd2ae9272b5c18128c8ae5f1749
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'344'000 bytes
First seen:2022-03-22 09:00:49 UTC
Last seen:2022-03-22 10:52:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:0Xp+/hfUKd+CrrGfKRN76KB+MIo1LZVvvPHt34AUbLd54+YLcM1a:05+58KsCrWKWm1LbN3As+YL71
TLSH T11E5522887394F0DFC56B8FB28E945C20A5387927431BD20B891B11AD950EADBCE957F3
File icon (PE):PE icon
dhash icon f0cc8e9cf48cdce0 (11 x RemcosRAT, 4 x NanoCore, 3 x Formbook)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
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Link:
https://www.capesandbox.com/analysis/254055/
Detection(s):
SecuriteInfo.com.generic.ml.30135.32518.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62399052dfdfa8501ccbac38/reports/daa55f15-7e2f-4be0-b98e-851a41e97594/overview
Result
Verdict:
SUSPICIOUS
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/72f445bf-2e71-40eb-94e4-0907f23908c7
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/961507
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit 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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 593988 Sample: oYeC0e2Nvi Startdate: 22/03/2022 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for dropped file 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 7 other signatures 2->56 10 oYeC0e2Nvi.exe 3 2->10         started        14 UDP.exe 2 2->14         started        16 UDP.exe 2 2->16         started        process3 file4 46 C:\Users\user\AppData\...\oYeC0e2Nvi.exe.log, ASCII 10->46 dropped 60 Contains functionality to steal Chrome passwords or cookies 10->60 62 Contains functionality to inject code into remote processes 10->62 64 Contains functionality to steal Firefox passwords or cookies 10->64 66 Delayed program exit found 10->66 18 oYeC0e2Nvi.exe 4 4 10->18         started        68 Injects a PE file into a foreign processes 14->68 21 UDP.exe 14->21         started        23 UDP.exe 14->23         started        25 UDP.exe 16->25         started        signatures5 process6 file7 40 C:\Users\user\AppData\Roaming\UDP.exe, PE32 18->40 dropped 42 C:\Users\user\...\UDP.exe:Zone.Identifier, ASCII 18->42 dropped 44 C:\Users\user\AppData\Local\...\install.vbs, data 18->44 dropped 27 wscript.exe 1 18->27         started        process8 process9 29 cmd.exe 1 27->29         started        process10 31 UDP.exe 3 29->31         started        34 conhost.exe 29->34         started        signatures11 70 Multi AV Scanner detection for dropped file 31->70 72 Machine Learning detection for dropped file 31->72 74 Injects a PE file into a foreign processes 31->74 36 UDP.exe 2 1 31->36         started        process12 dnsIp13 48 davidwongwarzone.zapto.org 31.210.20.25, 2030, 49804 PLUSSERVER-ASN1DE Netherlands 36->48 58 Installs a global keyboard hook 36->58 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d81429e1bb8b916855b051538112378a13496b011c821dfc285b6a915da6409f/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
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Status:
Malicious
First seen:
2022-03-22 08:36:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3akctyn3roiwqvnqkfjycerxrijus2ybdsbb37bilnvjcxngicpq._file
Verdict:
malicious
Label(s):
remcos
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Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:gee2022 persistence rat
Link:
https://tria.ge/reports/220322-kyw43abbgk/
Behaviour
Modifies registry class
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
davidwongwarzone.zapto.org:2030
Unpacked files
SH256 hash:
3dce2927822d5e78236c67db329f3ea185c979d409af43113271ad85a37d3168
MD5 hash:
eaaefc3ad6de72a81b0b7810ebf92602
SHA1 hash:
490d72e7c167d2ade2469745293f3b87db09da3d
Link:
https://www.unpac.me/results/adc80074-cb6d-40b1-a44c-828e18dc863e/
SH256 hash:
db0d878e6f643629be93e5ff38c3bfa830519a6ccb3ea0d2313b84500e26590c
MD5 hash:
e160b9d0edb57783788e274b8a59c9d4
SHA1 hash:
53dfa262099473484f24f3937112791ec7579236
Link:
https://www.unpac.me/results/adc80074-cb6d-40b1-a44c-828e18dc863e/
SH256 hash:
1410a7e8e075a2d019de7e093cb24db9b640369b7f6da9d139c0264cee9ec8ee
MD5 hash:
52802151f5e32173de5235644d7b621a
SHA1 hash:
c1b6f7dc9e49e669252fd739384d6481f7c706f2
Link:
https://www.unpac.me/results/adc80074-cb6d-40b1-a44c-828e18dc863e/
SH256 hash:
d8168174e2c1e5929b3203b90d8c817ed60de66c3cdee1ea5f174aaae425f42a
MD5 hash:
d6ba78983dd5c321bf07c656c5ec57cf
SHA1 hash:
40fc88a80e9d7b34ab16b28870986cde4e48cfd4
Link:
https://www.unpac.me/results/adc80074-cb6d-40b1-a44c-828e18dc863e/
SH256 hash:
d81429e1bb8b916855b051538112378a13496b011c821dfc285b6a915da6409f
MD5 hash:
01865bd2ae9272b5c18128c8ae5f1749
SHA1 hash:
5c03682a165fc07fba41ca37833ad859df68d818
Link:
https://www.unpac.me/results/adc80074-cb6d-40b1-a44c-828e18dc863e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d81429e1bb8b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/d81429e1bb8b916855b051538112378a13496b011c821dfc285b6a915da6409f

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: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 d81429e1bb8b916855b051538112378a13496b011c821dfc285b6a915da6409f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2110382/
Cape
Cape
https://www.capesandbox.com/analysis/254055/

Comments


Avatar
zbet commented on 2022-03-22 09:00:54 UTC

url : hxxp://136.144.41.109/AMY.exe