MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b8d469babc7b057403a1d7ca0f781c9a675523941cfcc8bb6eae582680746c4. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0b8d469babc7b057403a1d7ca0f781c9a675523941cfcc8bb6eae582680746c4
SHA3-384 hash: 6b268c0ad2d2d4de99c41739dc29388e698665e42eb5eedda3e96e3bb17e087977b1b6bbd12d613b504d73897917748a
SHA1 hash: ce21ab5d3430faf360376bd50d603ab81824240c
MD5 hash: b2805d0ca02a91d5d6c1deee9318a46e
humanhash: spaghetti-alpha-kilo-summer
File name:Amit Order598467588,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:127'280 bytes
First seen:2020-08-05 07:00:47 UTC
Last seen:2020-08-05 08:00:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:RceKL3sJ75HUUTW01DSQew7EvQxDDylcIf01Gip+k31rYgm:RceKGUa1pEvKDDUcIfWlYr
Threatray 790 similar samples on MalwareBazaar
TLSH 00C31718FD6CD178CD6D56718EA688A00BF2B1D3E7704FAD3EC98A944F061882D1E5F9
Reporter abuse_ch
Tags:exe RemcosRAT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: ptmatsuo.co.id
Sending IP: 202.74.72.84
From: Amit <amit@aonenonwoven.com>
Subject: New Purchase Order
Attachment: Amit Order598467588,pdf.zip (contains "Amit Order598467588,pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/39009/
Detection(s):
SecuriteInfo.com.Trojan.Siggen8.46567.17618.20224.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
DNS request
Creating a window
Creating a file in the %AppData% subdirectories
Deleting a recently created file
Sending a UDP request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Enabling autorun
Enabling autorun by creating a file
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410235
Signature
Binary contains a suspicious time stamp
Contains functionality to capture and log keystrokes
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 an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Detected Remcos RAT
Drops PE files to the startup folder
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)
Sigma detected: Remcos
Uses dynamic DNS services
Writes many files with high entropy
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 257359 Sample: Amit Order598467588,pdf.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 51 nkiruka2020.ddns.net 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Detected Remcos RAT 2->55 57 Yara detected Remcos RAT 2->57 59 10 other signatures 2->59 7 Amit Order598467588,pdf.exe 2 3 2->7         started        11 Amit Order598467588,pdf.exe 3 2->11         started        13 Amit Order598467588,pdf.exe 3 2->13         started        15 Amit Order598467588,pdf.exe 3 2->15         started        signatures3 process4 file5 41 C:\Users\user\...\Amit Order598467588,pdf.exe, PE32 7->41 dropped 43 Amit Order59846758...exe:Zone.Identifier, ASCII 7->43 dropped 45 C:\Users\...\Amit Order598467588,pdf.exe.log, ASCII 7->45 dropped 61 Creates an undocumented autostart registry key 7->61 63 Injects a PE file into a foreign processes 7->63 17 Amit Order598467588,pdf.exe 2 225 7->17         started        65 Creates autostart registry keys with suspicious names 11->65 21 Amit Order598467588,pdf.exe 11->21         started        23 Amit Order598467588,pdf.exe 11->23         started        25 Amit Order598467588,pdf.exe 13->25         started        27 Amit Order598467588,pdf.exe 13->27         started        29 Amit Order598467588,pdf.exe 13->29         started        31 Amit Order598467588,pdf.exe 15->31         started        signatures6 process7 dnsIp8 47 nkiruka2020.ddns.net 185.19.85.135, 49735, 49736, 49737 DATAWIRE-ASCH Switzerland 17->47 49 192.168.2.1 unknown unknown 17->49 33 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 17->33 dropped 35 C:\Users\user\...\time_20200805_091702.dat, data 17->35 dropped 37 C:\Users\user\...\time_20200805_091701.dat, data 17->37 dropped 39 87 other malicious files 17->39 dropped file9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0b8d469babc7b057403a1d7ca0f781c9a675523941cfcc8bb6eae582680746c4/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 22:19:02 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bogung5ly6yfoqb2dv6kb54bzgthkurzihh4zc5w5lsye2ahi3ca._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2db4ee21ea51c36e7dac362a31f5791643de1ced086758c80ad2cb8b8b70f80e
RemcosRAT
5be1955cc565b499f3948429e16db2d902ceb8953132d39ae54954ed5cf73de0
RemcosRAT
5c8a1fcc7289127fe8b58aacf60776b0165e11a240cb1d44f7048f5ccae8769d
RemcosRAT
5d9ade026742dcc73e12a5d0091356ae9f6ac419ca6d0f27ddd102ebe024320b
RemcosRAT
6307b6ffc48a88aeeff567c7a296ca6daf830f9b4eecf9f48352c489e5256fca
RemcosRAT
6883ab02c6b5c22d0035e476501021e228dd1b94f5a1f301a343b731fc847d45
RemcosRAT
81586576466b84318c110be299cad2ff3594cf483d33690d6a691581cd87fd76
RemcosRAT
936aa436f6a85762fe0fa8f9f14af43e5a53ba7bf398f279925f73dc511c09b4
RemcosRAT
96867bcc79971d9c01eb37e642c0e405b6fce31a3b59ab996f04c38a85a444c9
RemcosRAT
a7d93e9c9bb80f0f8a271ae4a101f305bac535e197697b35f291794fa83ef538
RemcosRAT
+ 780 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/200805-e72kxfe58j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Remcos
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
nkiruka2020.ddns.net:7171
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0b8d469babc7b057403a1d7ca0f781c9a675523941cfcc8bb6eae582680746c4

File information

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

Malspam

RemcosRAT

zip 1ad767a48d94965416dbcf6dd21ab63f686aeff22c1de9d10cf5ac2cebafbe40

RemcosRAT

Executable exe 0b8d469babc7b057403a1d7ca0f781c9a675523941cfcc8bb6eae582680746c4

(this sample)

  
Dropped by
MD5 4531181a883d59daa3f7768d717b8b0b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39009/
  
Dropped by
SHA256 1ad767a48d94965416dbcf6dd21ab63f686aeff22c1de9d10cf5ac2cebafbe40

Comments