MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a494c1e303160d0fb163cdd38cd218288239e93376b7e5e9ee85274430f6f1fb. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
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SHA256 hash: a494c1e303160d0fb163cdd38cd218288239e93376b7e5e9ee85274430f6f1fb
SHA3-384 hash: 6abe8dfa1e3bb1268d0065a1d16c1acc6db1e388140074721b17cd251c2d2ddc432982c911be62f3959a23e0155e1d2a
SHA1 hash: 51c281312fdcb3b5ac040e93045f0c176ceb90ff
MD5 hash: 32bfc580410f46ca74f9b599bbf68d98
humanhash: angel-ohio-paris-shade
File name:GVK Price Request,pdf.exe
Download: download sample
Signature RemcosRAT
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File size:824'832 bytes
First seen:2021-05-05 18:22:01 UTC
Last seen:2021-05-05 19:04:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:/nuA7obe3HBoN/H0I2bL6thWrXWK0R9ad06JaqrRrC3IuGaLhoFMM/b://SN/UI2PYWrm1g/lVsII7s
Threatray 1'664 similar samples on MalwareBazaar
TLSH 2705F13F31487E08D87E2B3BD594C46052BAEC269973D61A69D0747FAAF2BF40540F16
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.624-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
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:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/712419
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
DLL reload attack detected
Drops executable to a common third party application directory
Found malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 405139 Sample: GVK Price Request,pdf.exe Startdate: 05/05/2021 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 9 other signatures 2->59 9 GVK Price Request,pdf.exe 7 2->9         started        13 image.exe 1 2->13         started        15 image.exe 1 2->15         started        process3 file4 43 C:\Users\user\AppData\RoamingbehaviorgraphepToze.exe, PE32 9->43 dropped 45 C:\Users\user\...behaviorgraphepToze.exe:Zone.Identifier, ASCII 9->45 dropped 47 C:\Users\user\AppData\Local\...\tmp3ACB.tmp, XML 9->47 dropped 49 C:\Users\...behaviorgraphVK Price Request,pdf.exe.log, ASCII 9->49 dropped 69 Writes to foreign memory regions 9->69 71 Allocates memory in foreign processes 9->71 73 Injects a PE file into a foreign processes 9->73 17 RegSvcs.exe 1 4 9->17         started        21 schtasks.exe 1 9->21         started        23 conhost.exe 13->23         started        25 conhost.exe 15->25         started        signatures5 process6 file7 41 C:\Users\user\AppData\Roaming\...\image.exe, PE32 17->41 dropped 61 Contains functionality to detect virtual machines (IN, VMware) 17->61 63 Contains functionality to steal Chrome passwords or cookies 17->63 65 Contains functionality to capture and log keystrokes 17->65 67 3 other signatures 17->67 27 cmd.exe 1 17->27         started        30 conhost.exe 21->30         started        signatures8 process9 signatures10 75 Uses ping.exe to sleep 27->75 77 Uses ping.exe to check the status of other devices and networks 27->77 32 PING.EXE 1 27->32         started        35 image.exe 2 27->35         started        37 conhost.exe 27->37         started        process11 dnsIp12 51 127.0.0.1 unknown unknown 32->51 39 conhost.exe 35->39         started        process13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a494c1e303160d0fb163cdd38cd218288239e93376b7e5e9ee85274430f6f1fb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-05 18:22:19 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uskmdyydcygq7mldzxjyzuqyfcbdt2jto236l2poqutuimhw6h5q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0aa01e452dadec50166b85111f228e25ef59f51b92ccfcc148f24376c7265eea
RemcosRAT
1fc85978f3b776d0bd7abebdc302641a3da45ba768428134df4acdc622fd5f86
RemcosRAT
427102cfb84006044ecb4a6e42daaceb66f01c098c6a848106f30a2ce22dd5c4
RemcosRAT
47fba2ac8b8734d57e0f0d34d573a5c0c567d22683bc128caa58946cca51565e
RemcosRAT
5402e9250c7e91ea7e8c7261e2b3b566706bc7ebf8deaf926c88fd99613fb6b2
RemcosRAT
6dda8584a5682afdc017e2e421619b02fc9f57a67de615332797b3e96981864d
RemcosRAT
71fb2874f7a7da6d0f0e528f0b0d2d98c74afe88d894ee6f29387ba3bb540c37
RemcosRAT
b603fd540d4a4e79052ee4b93a3b4155eb2bacc3fd15ef9e4a9e9d94060c522a
RemcosRAT
bd784854e186a0f43ecfba7babc1f16bf5e8b42d8674e8f7af4443cefc99e719
RemcosRAT
d5cbdab4cccf60d538b29be7dc3974f279cdf7c50689736120649820ea9f7d32
RemcosRAT
+ 1'654 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210505-et4dx5mvf6/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
macho.hopto.org:2477
Unpacked files
SH256 hash:
bdf79e57b5574f9bafb56f6d0592f5ee429df7eb0ad536fbdb4f2956aae36f87
MD5 hash:
826b29e2a141b055a5491c9d7dc6eea7
SHA1 hash:
af4201362b8603bf7e4b6e2ead1cfb610dd7c0a9
Link:
https://www.unpac.me/results/0f4f0a84-9f3d-4523-9284-e1cb6e00a862/
SH256 hash:
a494c1e303160d0fb163cdd38cd218288239e93376b7e5e9ee85274430f6f1fb
MD5 hash:
32bfc580410f46ca74f9b599bbf68d98
SHA1 hash:
51c281312fdcb3b5ac040e93045f0c176ceb90ff
Link:
https://www.unpac.me/results/0f4f0a84-9f3d-4523-9284-e1cb6e00a862/
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/a494c1e303160d0fb163cdd38cd218288239e93376b7e5e9ee85274430f6f1fb

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.

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