MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 85ba079f07da66a80dee82f93da2a0cd002d1cbd00bd285011288b04340a8d52. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments

SHA256 hash: 85ba079f07da66a80dee82f93da2a0cd002d1cbd00bd285011288b04340a8d52
SHA3-384 hash: 4d3c02c5decf96df853d1e1b1ca160210c25206c5a3900e5445ba290e823ffab510d9683751a69331ec33694e6f20cd0
SHA1 hash: 719eba1fbfb24228ab2e955b66adec4a72d10b38
MD5 hash: 00d8c88041e9a0f3a11e099b8db9be5c
humanhash: purple-jig-floor-grey
File name:DOCUMENT.EXE
Download: download sample
Signature RemcosRAT
File size:933'888 bytes
First seen:2021-11-08 07:06:07 UTC
Last seen:2021-11-08 09:17:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56b4814557e2e2739d9a5efb22e955d4 (3 x RemcosRAT, 1 x Formbook)
ssdeep 12288:zvY8dhGipM4Yld9SyATMUCAyo5qTThHokUflI+5MWBnsQfnEPV:T9b3O4YldFATMUR5eIv5PBlfK
TLSH T1C0156C19AE8805F3F26217347C5B57B9ED257E202A2DA4452EF53A4B5EF32903730C9B
File icon (PE):PE icon
dhash icon 697110152b2b1530 (9 x RemcosRAT, 6 x Formbook)
Reporter cocaman
Tags:DHL exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Detected Remcos RAT
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 517464 Sample: DOCUMENT.EXE Startdate: 08/11/2021 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 7 other signatures 2->68 8 DOCUMENT.EXE 1 23 2->8         started        13 Ansjqmyb.exe 14 2->13         started        15 Ansjqmyb.exe 17 2->15         started        process3 dnsIp4 48 vzrpig.ch.files.1drv.com 8->48 56 2 other IPs or domains 8->56 44 C:\Users\Public\Libraries\...\Ansjqmyb.exe, PE32 8->44 dropped 80 Writes to foreign memory regions 8->80 82 Creates a thread in another existing process (thread injection) 8->82 84 Injects a PE file into a foreign processes 8->84 17 mobsync.exe 2 3 8->17         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        50 192.168.2.1 unknown unknown 13->50 52 vzrpig.ch.files.1drv.com 13->52 58 2 other IPs or domains 13->58 86 Antivirus detection for dropped file 13->86 88 Multi AV Scanner detection for dropped file 13->88 90 Allocates memory in foreign processes 13->90 25 mobsync.exe 13->25         started        54 vzrpig.ch.files.1drv.com 15->54 60 2 other IPs or domains 15->60 27 mobsync.exe 15->27         started        file5 signatures6 process7 dnsIp8 46 salford1.ddns.net 185.86.106.246, 2404, 49771 OBE-EUROPEObenetworkEuropeSE Sweden 17->46 70 Contains functionality to steal Chrome passwords or cookies 17->70 72 Contains functionality to inject code into remote processes 17->72 74 Contains functionality to steal Firefox passwords or cookies 17->74 76 Delayed program exit found 17->76 78 Uses cmd line tools excessively to alter registry or file data 21->78 29 cmd.exe 1 21->29         started        32 conhost.exe 21->32         started        34 reg.exe 1 23->34         started        36 conhost.exe 23->36         started        signatures9 process10 signatures11 92 Uses cmd line tools excessively to alter registry or file data 29->92 38 conhost.exe 29->38         started        40 reg.exe 1 29->40         started        42 conhost.exe 34->42         started        process12
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-11-05 15:57:41 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
salford1.ddns.net:2404
salford2.ddns.net:2404
salford3.ddns.net:2404
Unpacked files
SH256 hash:
20fc8c73620765aa853f4689c588243463f474f5be24c4fe42f391eab4063df5
MD5 hash:
9e59a2680630cdd456d7ad7cb0cfe75a
SHA1 hash:
aeee2c2216b4b968d6237a72707d72fc2990f28c
SH256 hash:
935e00d9412c70c695729bb9a5a66911aae888c659321137f3ff62a1a698e9b4
MD5 hash:
eeea0e09ec9fda44d5aa0b53f586ae5b
SHA1 hash:
114535b05568453a547614c87336b0a012fe216a
SH256 hash:
85ba079f07da66a80dee82f93da2a0cd002d1cbd00bd285011288b04340a8d52
MD5 hash:
00d8c88041e9a0f3a11e099b8db9be5c
SHA1 hash:
719eba1fbfb24228ab2e955b66adec4a72d10b38
Malware family:
Verdict:
Malicious
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.

Malspam

RemcosRAT

Executable exe 85ba079f07da66a80dee82f93da2a0cd002d1cbd00bd285011288b04340a8d52

(this sample)

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