MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b9a03add59199d08af6095e168e6b4bca3916774291603b4582d14f6078fa15. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments

SHA256 hash: 9b9a03add59199d08af6095e168e6b4bca3916774291603b4582d14f6078fa15
SHA3-384 hash: 558cb12d264528cbebb852486bde932349a7bd0eb7a0116aa0fc9a8cd7c4edbf63ba04c7e4e6a4fbdf1848eb2ae7ba60
SHA1 hash: 4d458a0b27e58ab7cf930c2ff55bfe4f083aa52d
MD5 hash: 67e80af59f8b36749d5fb711141a5f65
humanhash: ohio-moon-bravo-pennsylvania
File name:yjyhphbjziyg.exe
Download: download sample
Signature RemcosRAT
File size:42'496 bytes
First seen:2021-03-19 16:19:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a5aba3b732b91fb8e31b6708fb30299f (1 x RemcosRAT)
ssdeep 768:QSJGwLWVqc6KePAza+t2SQ4TgCDad/BOr+QdBg3irr14d4:QSJGzDnePAzDtzMQftrKd4
Threatray 1'640 similar samples on MalwareBazaar
TLSH F913E10A26A6E5D1C2B47378C6CBEFD5BC48499043CD8BE527B4F967BF191AC1D88209
Reporter ladislav_b
Tags:RemcosRAT


Avatar
ladislav_b
Older Remcos sample
MalDoc distributed via e-mail attachement -> downloaded sample from the Internet -> extracted sample submitted here.
Config can be extracted with malconf

https://www.csirt.gov.sk/doc/remcos_public.pdf

Intelligence


File Origin
# of uploads :
1
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yjyhphbjziyg.exe
Verdict:
Malicious activity
Analysis date:
2018-09-24 10:33:43 UTC
Tags:
rat remcos

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

Behaviour
Connection attempt
Sending a custom TCP request
Sending a UDP request
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Rescoms
Status:
Malicious
First seen:
2018-09-21 12:42:47 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat upx
Behaviour
Remcos
Unpacked files
SH256 hash:
9c28f2a3e5eb61020302ac308d95aae85f90e19c8d263ea01acb4d7f9e406099
MD5 hash:
db12d169e494c72304cd865c0279cbba
SHA1 hash:
0591db80c70a47bb86e791f8ee1d92646add7703
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
9b9a03add59199d08af6095e168e6b4bca3916774291603b4582d14f6078fa15
MD5 hash:
67e80af59f8b36749d5fb711141a5f65
SHA1 hash:
4d458a0b27e58ab7cf930c2ff55bfe4f083aa52d
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:win_remcos_auto
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.

f808c76dbc22e0465045a8f7718cc506b99f720045343e254ec22be07a9c4534

RemcosRAT

Executable exe 9b9a03add59199d08af6095e168e6b4bca3916774291603b4582d14f6078fa15

(this sample)

  
Dropped by
SHA256 f808c76dbc22e0465045a8f7718cc506b99f720045343e254ec22be07a9c4534
  
Delivery method
Distributed via e-mail attachment

Comments