MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73d81b006456f319cc451766b237a7b18cb902405ff47c3f5e9c9d6feb40047f. 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: 7


Intelligence 7 IOCs YARA 8 File information Comments
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SHA256 hash: 73d81b006456f319cc451766b237a7b18cb902405ff47c3f5e9c9d6feb40047f
SHA3-384 hash: 571d7ff5b3f09fea935eef598bff5d4bd4b14f28d27b10995a02b4fca431075ddc3cf0d4e7e529078e6ad22a23e4ddc7
SHA1 hash: 80ea7b69a8812a61a5f94e16ce1fa772ff22f26d
MD5 hash: 6b6d9109eacda68defff2ef33cd351fe
humanhash: item-johnny-november-timing
File name:MTCopy.exe
Download: download sample
Signature RemcosRAT
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File size:295'424 bytes
First seen:2020-11-09 10:50:53 UTC
Last seen:2020-11-15 23:08:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:irs8pzxRAF9coHKQ3ojuNP3R/KoWVENxwFa5BYfS:OZzHinqLyhBEV8xwFz6
Threatray 1'047 similar samples on MalwareBazaar
TLSH 46542A217B8AE3FADE7D13B3100252450213B1D68F46E8DA7FC63C29C9E656458DEED2
Reporter JAMESWT_WT
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
5
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.276.27506.9446.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
DNS request
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Enabling autorun
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/526173
Signature
Allocates memory in foreign processes
Creates an undocumented autostart registry key
Detected Remcos RAT
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
Multi AV Scanner detection for submitted file
Sigma detected: Add file from suspicious location to autostart registry
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 312172 Sample: MTCopy.exe Startdate: 09/11/2020 Architecture: WINDOWS Score: 100 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 5 other signatures 2->49 7 MTCopy.exe 9 2->7         started        process3 file4 33 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\...\name.exe.lnk, MS 7->35 dropped 37 C:\Users\user\AppData\...\MTCopy.exe.log, ASCII 7->37 dropped 53 Writes to foreign memory regions 7->53 55 Allocates memory in foreign processes 7->55 57 Injects a PE file into a foreign processes 7->57 11 cmd.exe 1 7->11         started        13 cmd.exe 3 7->13         started        16 cmd.exe 1 7->16         started        18 2 other processes 7->18 signatures5 process6 file7 20 reg.exe 1 1 11->20         started        23 conhost.exe 11->23         started        39 C:\Users\user\AppData\Roaming\...\name.exe, PE32 13->39 dropped 25 conhost.exe 13->25         started        41 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 16->41 dropped 27 conhost.exe 16->27         started        29 WerFault.exe 23 9 18->29         started        31 conhost.exe 18->31         started        process8 signatures9 51 Creates an undocumented autostart registry key 20->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73d81b006456f319cc451766b237a7b18cb902405ff47c3f5e9c9d6feb40047f/
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
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Status:
Malicious
First seen:
2020-11-09 10:51:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=opmbwadek3zrttcfc5tlen5hwgglsasal72hyp26tsow722aar7q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2c1ae85bbe2ff52172aba947420e1a9bd98f7ac31671dee3cf9db19b14d21999
RemcosRAT
308245e3b036eaa8e2b12c92852a64e5feedd6d952789d12da2ea5da9b7acced
RemcosRAT
3569d46f24fc262031aad2932c38bf1347420472f197628c622a45e6b061ca76
RemcosRAT
4096056536154e1fa5a10e3495cd3ddadf7c01022b7b65b0c35a67b2eac2bc6b
RemcosRAT
5c9667b60610ff2eeb6b26096b7ac951ed3d59fc716a6b8aa1c94c38658b0db7
RemcosRAT
6c50d72da5ab733ffcc197ef2f403e4b490673164ea72012440fcbfa72ac31fc
RemcosRAT
929aed244ea7ad68ca44b6274a388dcc772b9d4bc6f4e2cb4370555ecc292c80
RemcosRAT
bfa4daa95a303253a45cc02597d1fa404168fb88e627dc3afa4b3548a6ff893d
RemcosRAT
d7c62c1526c39e136b5c7a703c92ec5f8a67c987a7414e0cbb145172671a2293
RemcosRAT
f412da03defe68cc6e1f264449adf519a4c5470c51e7b502854f7fbf358f8516
RemcosRAT
+ 1'037 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/201109-e2h5r4bjm2/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
igweumz.myddns.me:6404
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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
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
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Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
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Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Comments