MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e97271a5289884718f3cbbf41ff1bff024a160e9c92d75e611141aa1b9c26094. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: e97271a5289884718f3cbbf41ff1bff024a160e9c92d75e611141aa1b9c26094
SHA3-384 hash: c02018f994a34d293f44c645389961936779d96b691074e391da54459377fd1f176923c663c8409f1b7fd9d93d21e7d2
SHA1 hash: 5f3afcf8df83c2e2ca070f9c65369a941ef5cc2a
MD5 hash: ed89490d50cf7c8d8193c9c4fb1b557a
humanhash: artist-high-lithium-delaware
File name:ed89490d50cf7c8d8193c9c4fb1b557a
Download: download sample
Signature RemcosRAT
File size:1'109'504 bytes
First seen:2022-10-08 04:55:02 UTC
Last seen:2022-10-08 08:04:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:N5fFBkPPpLnSm4So2lj21NEc7dqgFjLgxxrTki+0I0G9z+8aLRdk:NlFyhnn4KjaEEHIrVrG9CVLR
Threatray 3'036 similar samples on MalwareBazaar
TLSH T1A53522087A8167EFC867CA71DDA42C249F606C72632BD74B58C752EE094DA97CF141E3
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon d02f2b3337297b96 (20 x RemcosRAT, 4 x AgentTesla, 1 x NanoCore)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 718716 Sample: brKuWx17Ib.exe Startdate: 08/10/2022 Architecture: WINDOWS Score: 100 54 ericbishop225.sytes.net 2->54 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 7 other signatures 2->66 11 brKuWx17Ib.exe 3 2->11         started        14 pos.exe 2 2->14         started        16 pos.exe 2 2->16         started        18 pos.exe 2->18         started        signatures3 process4 file5 52 C:\Users\user\AppData\...\brKuWx17Ib.exe.log, ASCII 11->52 dropped 20 brKuWx17Ib.exe 5 4 11->20         started        23 pos.exe 14->23         started        25 pos.exe 14->25         started        27 pos.exe 16->27         started        29 pos.exe 16->29         started        31 pos.exe 18->31         started        process6 file7 46 C:\Users\user\AppData\Roaming\pos.exe, PE32 20->46 dropped 48 C:\Users\user\...\pos.exe:Zone.Identifier, ASCII 20->48 dropped 50 C:\Users\user\AppData\Local\...\install.vbs, data 20->50 dropped 33 wscript.exe 1 20->33         started        process8 process9 35 cmd.exe 1 33->35         started        process10 37 pos.exe 3 35->37         started        40 conhost.exe 35->40         started        signatures11 68 Multi AV Scanner detection for dropped file 37->68 70 Machine Learning detection for dropped file 37->70 72 Tries to delay execution (extensive OutputDebugStringW loop) 37->72 42 pos.exe 2 1 37->42         started        process12 dnsIp13 56 ericbishop225.sytes.net 42->56 58 192.168.2.1 unknown unknown 42->58 74 Installs a global keyboard hook 42->74 signatures14
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-10-07 03:28:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:water-host persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
ericbishop225.sytes.net:2220
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5d0779d34c4ee22ca3b7b2db07521f5e3a4a8a34df426db44ec2d9cb69530430
MD5 hash:
04e0576ae8d2d3d62da2622f49c9b5b9
SHA1 hash:
c27e1c1aed385ae021683fa761ddbe7283147c19
SH256 hash:
f5d37f053d6d5a3274d6dad9ae9fa2f67af734fe23f9fdeb24172446d6567286
MD5 hash:
ce4d70dc25f2038347f5e8aaa735da24
SHA1 hash:
a9c7d85ea5f84df44d8b7ae7e21530f91196c87c
Detections:
win_remcos_auto
SH256 hash:
8c2d12722af474c6a78c074821df52fa9517eab2ff7025ce5787cbad737dc6e1
MD5 hash:
ee7302466313d6ef652d9571be66c66d
SHA1 hash:
756e3f5e3b0e4f3b43e0e0e0a070a9d05784f5bf
SH256 hash:
0c26c8b2080483e5c53253963db952b98f13b42b32bd1c2a6cd434d0e6013c6e
MD5 hash:
85f7c2a6260be5e1fca5a85758ab55c2
SHA1 hash:
edcdcc3f1a6d4ad3a9fbb358af6524949b5d716f
SH256 hash:
e97271a5289884718f3cbbf41ff1bff024a160e9c92d75e611141aa1b9c26094
MD5 hash:
ed89490d50cf7c8d8193c9c4fb1b557a
SHA1 hash:
5f3afcf8df83c2e2ca070f9c65369a941ef5cc2a
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

RemcosRAT

Executable exe e97271a5289884718f3cbbf41ff1bff024a160e9c92d75e611141aa1b9c26094

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-10-08 04:55:05 UTC

url : hxxp://85.31.46.80/BBG.exe