MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a97f05df11f826ba1d973f260a565584d9db207a8130cf2769d0156078cc944. 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 5 File information Comments

SHA256 hash: 7a97f05df11f826ba1d973f260a565584d9db207a8130cf2769d0156078cc944
SHA3-384 hash: 33429b73c807ae9694cfd2a38ba80a873a1bd3560df6cef8f2ea10fd74f322d72e3a4e70a9fdc240b8978031a00a9ad6
SHA1 hash: 85fc2362f35922f8a7f7dd3d838f4f5235738b2a
MD5 hash: ad939ea379e7570d7b264414bef9edde
humanhash: five-alabama-cardinal-robert
File name:СРОЧНО _ RFQ77826562890,pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'044'992 bytes
First seen:2021-08-13 07:40:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4568865f010d4036798cbd868f1134e (2 x RemcosRAT)
ssdeep 12288:xxzeMOlDHVhjdNe1qKG8st38PvKsek4rPzfpYTAWNFzJCfUGQZxEb8+KLpCWBPbV:xIMUhj/LtGVriCTLNFzvGVb8+uxb
Threatray 400 similar samples on MalwareBazaar
TLSH T1E2258C136C96047ACA265A384C3767BC9D69BF502F6C64C99BFE7C846F21190BC18AD3
dhash icon 48958834524ae410 (6 x RemcosRAT, 4 x DBatLoader, 3 x AveMariaRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
СРОЧНО _ RFQ77826562890,pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-13 07:42:09 UTC
Tags:
n/a

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

Behaviour
Creating a window
Searching for the window
Launching the default Windows debugger (dwwin.exe)
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:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 464625 Sample: #U0421#U0420#U041e#U0427#U0... Startdate: 13/08/2021 Architecture: WINDOWS Score: 100 38 zion6.ddns.net 2->38 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 6 other signatures 2->70 8 #U0421#U0420#U041e#U0427#U041d#U041e _ RFQ77826562890,pdf.exe 1 19 2->8         started        13 Rzhqkhy.exe 16 2->13         started        15 Rzhqkhy.exe 16 2->15         started        signatures3 process4 dnsIp5 40 onedrive.live.com 8->40 48 2 other IPs or domains 8->48 34 C:\Users\Public\Libraries\...\Rzhqkhy.exe, PE32 8->34 dropped 78 Writes to foreign memory regions 8->78 80 Creates a thread in another existing process (thread injection) 8->80 82 Injects a PE file into a foreign processes 8->82 17 secinit.exe 2 8->17         started        42 192.168.2.1 unknown unknown 13->42 44 onedrive.live.com 13->44 50 2 other IPs or domains 13->50 84 Multi AV Scanner detection for dropped file 13->84 86 Machine Learning detection for dropped file 13->86 88 Allocates memory in foreign processes 13->88 21 logagent.exe 13->21         started        46 onedrive.live.com 15->46 52 2 other IPs or domains 15->52 23 dialer.exe 15->23         started        file6 signatures7 process8 dnsIp9 36 zion6.ddns.net 185.140.53.129, 2815, 49712, 49735 DAVID_CRAIGGG Sweden 17->36 54 Contains functionality to steal Chrome passwords or cookies 17->54 56 Contains functionality to inject code into remote processes 17->56 58 Contains functionality to steal Firefox passwords or cookies 17->58 60 Injects a PE file into a foreign processes 17->60 25 secinit.exe 1 17->25         started        28 secinit.exe 17->28         started        30 secinit.exe 17->30         started        32 6 other processes 17->32 62 Delayed program exit found 21->62 signatures10 process11 signatures12 72 Tries to steal Instant Messenger accounts or passwords 25->72 74 Tries to steal Mail credentials (via file access) 25->74 76 Tries to harvest and steal browser information (history, passwords, etc) 32->76
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-08-13 07:41:10 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
795b2b5d6668147d7924ac96f90741ddc2a2b5003f455fb842b613a286fbf8fc
MD5 hash:
53011b69a7231aea23d66805a681144b
SHA1 hash:
e3d0d157e763c865e79ccc5bedc2fd5fd90413f7
SH256 hash:
7a97f05df11f826ba1d973f260a565584d9db207a8130cf2769d0156078cc944
MD5 hash:
ad939ea379e7570d7b264414bef9edde
SHA1 hash:
85fc2362f35922f8a7f7dd3d838f4f5235738b2a
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_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 7a97f05df11f826ba1d973f260a565584d9db207a8130cf2769d0156078cc944

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments