MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a4b5aab71a352d6ae6140f99a28b0c38df78a8985b3383f1bc424ca74e046fe. 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: 12


Intelligence 12 IOCs 1 YARA File information Comments

SHA256 hash: 6a4b5aab71a352d6ae6140f99a28b0c38df78a8985b3383f1bc424ca74e046fe
SHA3-384 hash: 92cb33a929ba64854eeef241fc51be88d6bc16cf414ada03cd3ee33fd6b7e5ee707d9f113b917ed89a64d30fc0234fa7
SHA1 hash: c6bf9041d2cd36bb112cd8c8d0803a3bde502e20
MD5 hash: bc9a0957432acc1316199313a2763bb3
humanhash: massachusetts-quiet-fix-butter
File name:ScanDocumentsDOC0559DOC0302732112202135JIHG.e.exe
Download: download sample
Signature RemcosRAT
File size:837'120 bytes
First seen:2022-02-16 07:41:16 UTC
Last seen:2022-02-16 10:07:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3bbae5474fae9ab3c9cd00f1e2cffe97 (5 x Formbook, 1 x RemcosRAT, 1 x DBatLoader)
ssdeep 24576:KW6My6w7W6VCvGC/nRiTFYvv8W01Kxy/:Khc57RMQx
Threatray 2'006 similar samples on MalwareBazaar
TLSH T1F6059E63B794C832C16A257D8C1BC7B89819BE112D649C473BE72F4E6F39781383A197
File icon (PE):PE icon
dhash icon f468cec4d4d4d4c4 (6 x Formbook, 1 x RemcosRAT, 1 x DBatLoader)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
23.105.131.235:5004

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
23.105.131.235:5004 https://threatfox.abuse.ch/ioc/388115/

Intelligence


File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe greyware keylogger packed
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.
Gathering data
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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 a thread in another existing process (thread injection)
Delayed program exit found
Drops PE files to the user root directory
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 573097 Sample: ScanDocumentsDOC0559DOC0302... Startdate: 16/02/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 3 other signatures 2->64 9 ScanDocumentsDOC0559DOC0302732112202135JIHG.e.exe 1 22 2->9         started        14 Nhvfurit.exe 17 2->14         started        16 Nhvfurit.exe 14 2->16         started        process3 dnsIp4 44 onedrive.live.com 9->44 46 fnxnpw.am.files.1drv.com 9->46 48 am-files.fe.1drv.com 9->48 38 C:\Users\user38hvfurit.exe, PE32 9->38 dropped 40 C:\Users\user40hvfurit.exe:Zone.Identifier, ASCII 9->40 dropped 74 Drops PE files to the user root directory 9->74 76 Writes to foreign memory regions 9->76 78 Creates a thread in another existing process (thread injection) 9->78 18 DpiScaling.exe 2 3 9->18         started        22 cmd.exe 1 9->22         started        50 onedrive.live.com 14->50 54 2 other IPs or domains 14->54 80 Injects a PE file into a foreign processes 14->80 24 DpiScaling.exe 14->24         started        52 onedrive.live.com 16->52 56 2 other IPs or domains 16->56 26 DpiScaling.exe 16->26         started        file5 signatures6 process7 dnsIp8 42 www.auragmdh.com 23.105.131.235, 49768, 5004 LEASEWEB-USA-NYC-11US United States 18->42 66 Contains functionality to steal Chrome passwords or cookies 18->66 68 Contains functionality to inject code into remote processes 18->68 70 Contains functionality to steal Firefox passwords or cookies 18->70 72 Delayed program exit found 18->72 28 cmd.exe 1 22->28         started        30 conhost.exe 22->30         started        signatures9 process10 process11 32 net.exe 1 28->32         started        34 conhost.exe 28->34         started        process12 36 net1.exe 1 32->36         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2022-02-16 07:42:14 UTC
File Type:
PE (Exe)
Extracted files:
125
AV detection:
19 of 28 (67.86%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:yak-d-yak persistence rat
Behaviour
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
www.auragmdh.com:5004
Unpacked files
SH256 hash:
bc5eab9035807d258b611c670dbc460e72b99b22c65bc13dde5e3a2c4c8c9613
MD5 hash:
721f31a2cfa45743fbbe5d65d907a254
SHA1 hash:
dc17bf82ddd688e93af709465a171cc275dc6ba1
Detections:
win_dbatloader_w0
SH256 hash:
6a4b5aab71a352d6ae6140f99a28b0c38df78a8985b3383f1bc424ca74e046fe
MD5 hash:
bc9a0957432acc1316199313a2763bb3
SHA1 hash:
c6bf9041d2cd36bb112cd8c8d0803a3bde502e20
Malware family:
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

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