MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1b64a13beab16831d0641505dd12656113b1de377cec810e4a71fe093ec3729. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments
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SHA256 hash: f1b64a13beab16831d0641505dd12656113b1de377cec810e4a71fe093ec3729
SHA3-384 hash: 67326ff3137a64b795a1039931eb20a1746623b46357cda717851b9acfeea6ac37a729604759b5acf45a02ae50f293ec
SHA1 hash: 782e55533edbe5a411fb6860da5f88fac6c6c319
MD5 hash: d6437a3445fd51ed14f1e3c692494c42
humanhash: north-winner-quebec-texas
File name:d6437a3445fd51ed14f1e3c692494c42.exe
Download: download sample
Signature RemcosRAT
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File size:568'832 bytes
First seen:2021-02-17 13:59:05 UTC
Last seen:2021-02-17 16:09:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:frUq+OcKM/3igrk3IT1KZg4yNJQe50gp:frt+HKM/3P8fHIR5R
Threatray 125 similar samples on MalwareBazaar
TLSH 4CC4E02233D4CB56D4796BB8C021C3F013F1FC069126E61B7E8A7D9B7C666C986663D2
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.23601.15246.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/610378
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes (.Net Source)
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 354210 Sample: einL2PPa4E.exe Startdate: 17/02/2021 Architecture: WINDOWS Score: 100 25 Found malware configuration 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Detected Remcos RAT 2->29 31 7 other signatures 2->31 8 einL2PPa4E.exe 3 2->8         started        process3 file4 21 C:\Users\user\AppData\...\einL2PPa4E.exe.log, ASCII 8->21 dropped 33 Contains functionalty to change the wallpaper 8->33 35 Contains functionality to steal Chrome passwords or cookies 8->35 37 Contains functionality to capture and log keystrokes 8->37 39 5 other signatures 8->39 12 einL2PPa4E.exe 8->12         started        14 einL2PPa4E.exe 2 8->14         started        signatures5 process6 dnsIp7 17 MpCmdRun.exe 1 12->17         started        23 176.111.174.14, 2804, 49711, 49714 WILWAWPL Russian Federation 14->23 process8 process9 19 conhost.exe 17->19         started       
Detection:
remcos
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Link:
https://mwdb.cert.pl/sample/f1b64a13beab16831d0641505dd12656113b1de377cec810e4a71fe093ec3729/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
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Status:
Malicious
First seen:
2021-02-17 14:00:08 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos
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Similar samples:
04c93fd4c4b9ede9c3661f17dfed1ebc4ac3d09b4ad724b6c9e39dc189c1205e
RemcosRAT
21bc6e657606c08dca9703d2149640fa9738c460c8d71a65b8913b5c7a7ae0f4
RemcosRAT
357ab6a0cf97d36af99606bce098c476c4a24085f4d972038b11b3570486d620
RemcosRAT
45b183f3ab8e0ad421664b353e4951aa08d3f2e0ee0667a5b10d4dba5e5bb691
RemcosRAT
4c65b9e49af0ac895cb7cbe2099df2897989de14251326355890db7238a1d340
RemcosRAT
a972b68b050a973ba7815570e6b6d85c20629defc5c4c5bfd3f44abae041feb5
RemcosRAT
aaf00e1348307208d3415f629193cdf125171170a32a8cdeb140e8373d079714
RemcosRAT
bccc9e3d756a755324883a0587184066522a027831dc451f0ccdc9a4162c95a2
RemcosRAT
d10cc6c8d46490d39d15fa0f26620b5816404d1ef1083cda839827e33f30ef4f
RemcosRAT
f629e12080a80c0dda61f5c8a6e119465e6cc3e938d5983af7f454f507e74ad3
RemcosRAT
+ 115 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos rat upx
Link:
https://tria.ge/reports/210217-qcmvyg2m86/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
UPX packed file
Remcos
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/93ac717d-f917-49fb-ac92-d507c689e3ed/
SH256 hash:
f1b64a13beab16831d0641505dd12656113b1de377cec810e4a71fe093ec3729
MD5 hash:
d6437a3445fd51ed14f1e3c692494c42
SHA1 hash:
782e55533edbe5a411fb6860da5f88fac6c6c319
Link:
https://www.unpac.me/results/93ac717d-f917-49fb-ac92-d507c689e3ed/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_RemcosRAT
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Author:abuse.ch
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Chrome_stealer_bin_mem
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Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
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Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
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Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
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Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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Rule name:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:win_remcos_g0
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Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe f1b64a13beab16831d0641505dd12656113b1de377cec810e4a71fe093ec3729

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1002464/
  
Delivery method
Distributed via web download

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