MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb3136875db6efe3e17c2dd3326f1ff8ebdedca13a6c52527fa592cb53104a98. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: eb3136875db6efe3e17c2dd3326f1ff8ebdedca13a6c52527fa592cb53104a98
SHA3-384 hash: adb16d815382e8b02075b12e1b6c8949ae3f01e9a262d48b7e14401aa7c065fda1f3e8ec7caef01837321868ef70067e
SHA1 hash: 7ef5f965fdd01c273a2e8d19d5fd2d6ddde5c2fe
MD5 hash: 7afb9e465fe25552bee3cc7d30ae5378
humanhash: mirror-tango-california-batman
File name:DOCS-RFQ-009403.exe
Download: download sample
Signature RemcosRAT
File size:644'608 bytes
First seen:2021-08-11 15:17:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6dc6623a0d21403082575f48f48cd705 (3 x RemcosRAT, 1 x NetWire, 1 x Formbook)
ssdeep 12288:T9EoH3X8iS2EYEY5cZ9OW6nL5x7k279XfR8Yh:TmmvE3sWYaYf8i
Threatray 321 similar samples on MalwareBazaar
TLSH T130D4AFA7D240C43BCB4A5576CC4B02B76926BE147E58398125FA9ECE8F75341703A3EB
dhash icon b474e6c4c4d4f4c8 (3 x RemcosRAT, 1 x NetWire, 1 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOCS-RFQ-009403.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 15:21:48 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
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
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 463501 Sample: DOCS-RFQ-009403.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 44 clientconfig.passport.net 2->44 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 Detected Remcos RAT 2->68 70 2 other signatures 2->70 9 DOCS-RFQ-009403.exe 1 24 2->9         started        14 Beodmoa.exe 16 2->14         started        16 Beodmoa.exe 16 2->16         started        signatures3 process4 dnsIp5 50 qpakjw.bl.files.1drv.com 9->50 52 onedrive.live.com 9->52 54 bl-files.fe.1drv.com 9->54 42 C:\Users\Public\Libraries\...\Beodmoa.exe, PE32 9->42 dropped 80 Writes to foreign memory regions 9->80 82 Creates a thread in another existing process (thread injection) 9->82 84 Injects a PE file into a foreign processes 9->84 18 secinit.exe 2 3 9->18         started        22 cmd.exe 1 9->22         started        24 cmd.exe 1 9->24         started        56 qpakjw.bl.files.1drv.com 14->56 60 2 other IPs or domains 14->60 86 Multi AV Scanner detection for dropped file 14->86 88 Machine Learning detection for dropped file 14->88 26 secinit.exe 14->26         started        58 qpakjw.bl.files.1drv.com 16->58 62 2 other IPs or domains 16->62 28 secinit.exe 16->28         started        file6 signatures7 process8 dnsIp9 46 style.etanetsys.com 185.62.86.145, 42024 THINKSYSTEMSUK-ASNGB United Kingdom 18->46 48 192.168.2.1 unknown unknown 18->48 72 Contains functionality to steal Chrome passwords or cookies 18->72 74 Contains functionality to inject code into remote processes 18->74 76 Contains functionality to steal Firefox passwords or cookies 18->76 78 Delayed program exit found 18->78 30 reg.exe 1 22->30         started        32 conhost.exe 22->32         started        34 cmd.exe 1 24->34         started        36 conhost.exe 24->36         started        signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Threat name:
Win32.Trojan.Scarsi
Status:
Malicious
First seen:
2021-08-11 15:18:05 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:yes persistence rat
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
style.etanetsys.com:42024
Unpacked files
SH256 hash:
30cc524e5a77b061a978d738cf3211105f136ba49b02c143bc8a4f4d70b0632d
MD5 hash:
0684129a4ca469df555ecebbcff98d09
SHA1 hash:
258d73f87f071f291e3586323a7ec86ac97d5b63
SH256 hash:
eb3136875db6efe3e17c2dd3326f1ff8ebdedca13a6c52527fa592cb53104a98
MD5 hash:
7afb9e465fe25552bee3cc7d30ae5378
SHA1 hash:
7ef5f965fdd01c273a2e8d19d5fd2d6ddde5c2fe
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
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants

File information


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

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