MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 849c170a469dc6f5b1bc190923744b08c51ea0ea593e435f0121b874af58c3ec. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 849c170a469dc6f5b1bc190923744b08c51ea0ea593e435f0121b874af58c3ec
SHA3-384 hash: 80adcd8fb523beca7a55620866200eef74c6842821996b2339af59e5e02b36399c1d1a3ca1fb768af7559d2dffd547f4
SHA1 hash: def3e8326425745a9c7e9979adc450cb3f993fc7
MD5 hash: e4df8e57ffd47c763dd41706043d35a7
humanhash: victor-arkansas-vegan-don
File name:DHL_FILE.EXE
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:358'912 bytes
First seen:2020-12-07 16:30:51 UTC
Last seen:2020-12-10 07:17:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d78b089d8f9836e93df1e5756dd1b020 (1 x RemcosRAT)
ssdeep 6144:j1Iw9cjTPAxym4Xi01X/bpxH0cFxQesmo1nQlJoF:j1Ir304v1XzpxVo16
Threatray 1'219 similar samples on MalwareBazaar
TLSH 37745D5F1A1C6351E401BB704D983D08AE9C6DD08B31BDCAD6A0A4E9B8F93E8F5CF255
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
11
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_FILE.EXE
Verdict:
Malicious activity
Analysis date:
2020-12-08 22:27:56 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/b5efa458-6dec-4b23-88f8-d237c0dbfee9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/107060/
Detection(s):
SecuriteInfo.com.ArtemisE4DF8E57FFD4.29326.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Unauthorized injection to a recently created process
DNS request
Launching a process
Reading critical registry keys
Deleting a recently created file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/557074
Signature
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
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
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)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327633 Sample: DHL_FILE.EXE Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Detected Remcos RAT 2->50 52 5 other signatures 2->52 7 DHL_FILE.EXE 1 3 2->7         started        process3 file4 30 C:\Users\user\AppData\Local\...\firefox6.exe, PE32 7->30 dropped 32 C:\...\908fe41669974b699ecdee93824b9fe1.xml, XML 7->32 dropped 54 Detected unpacking (creates a PE file in dynamic memory) 7->54 56 Tries to steal Mail credentials (via file registry) 7->56 58 Contains functionality to steal Chrome passwords or cookies 7->58 60 4 other signatures 7->60 11 DHL_FILE.EXE 2 3 7->11         started        15 cmd.exe 1 7->15         started        signatures5 process6 dnsIp7 34 u875414.duckdns.org 11->34 36 u875414.ddns.net 11->36 38 2 other IPs or domains 11->38 62 Injects a PE file into a foreign processes 11->62 17 DHL_FILE.EXE 1 11->17         started        20 DHL_FILE.EXE 13 11->20         started        22 DHL_FILE.EXE 1 11->22         started        24 DHL_FILE.EXE 11->24         started        26 conhost.exe 15->26         started        28 schtasks.exe 1 15->28         started        signatures8 process9 signatures10 40 Tries to steal Instant Messenger accounts or passwords 17->40 42 Tries to steal Mail credentials (via file access) 17->42 44 Tries to harvest and steal browser information (history, passwords, etc) 20->44
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/849c170a469dc6f5b1bc190923744b08c51ea0ea593e435f0121b874af58c3ec/
Threat name:
Win32.Trojan.Rescoms
Create hunting rule
Status:
Malicious
First seen:
2020-12-07 16:31:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qsobocsgtxdplmn4deesg5clbdcr5ihkle7egxybeg4hjl2yypwa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17a87ce9f1b198eb1dacc4dde36af67169515d41b322d6bcbaf1861f2d812d39
RemcosRAT
1dc145b173ba2184fdf10d99048af85b721f017c5fa523777bd8661c64bf3405
RemcosRAT
3504835fa4e6114c5792842bdc72ebd170c2197cae7d92f8f7454b817aadedc1
RemcosRAT
4f718a40662228b1b5efca4664eb07f6d1918b62bc8b29598410d1dc5bb76c70
RemcosRAT
570e5bb05a57a95438fe1f61a116ab1d0de2bb2b0703745adea8ff45780d4a57
RemcosRAT
628714308e23fcb40095b63c6822b08f8a9b90de2ac290ff1e8e01b6ccde1568
RemcosRAT
bc8513a74ddfc1a9a78fbdbf39d90a61d59819dfb116846daf730693622c3c69
RemcosRAT
d2169ac5c124981adad2629a6f763a39b0031e22d082ee4e07130630a3ee308b
RemcosRAT
f2a8ae610f1847b1344ffaa1c252543a9e4f5208b0644be9d8f5d7d6770c9ae2
RemcosRAT
fa5850a0ba8809631d4e3f5a3f8cafa133b3d6ae37088eeb934ec13d1bc9f368
RemcosRAT
+ 1'209 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat spyware
Link:
https://tria.ge/reports/201207-2npczerssx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
u875414.nvpn.to:2404
u875414.duckdns.org:2404
u875414.ddns.net:2404
u875414.nsupdate.info:2404
Unpacked files
SH256 hash:
8d9509646f3510bc66775a104e4af29efdb690211890359480adcffd679ab6d3
MD5 hash:
92600b9131b8013e4363a31c2e8514cd
SHA1 hash:
341230e0630ef1c068f236cd6cf1bc4db484f718
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c8e64804-3846-407f-b9a2-407450c62728/
SH256 hash:
849c170a469dc6f5b1bc190923744b08c51ea0ea593e435f0121b874af58c3ec
MD5 hash:
e4df8e57ffd47c763dd41706043d35a7
SHA1 hash:
def3e8326425745a9c7e9979adc450cb3f993fc7
Link:
https://www.unpac.me/results/c8e64804-3846-407f-b9a2-407450c62728/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/849c170a469dc6f5b1bc190923744b08c51ea0ea593e435f0121b874af58c3ec

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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.

Malspam

RemcosRAT

img bef59c29d0ff3f0b51ee6658468339c8070ab9486a9960192a33971a2e7acd4d

RemcosRAT

Executable exe 849c170a469dc6f5b1bc190923744b08c51ea0ea593e435f0121b874af58c3ec

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 bef59c29d0ff3f0b51ee6658468339c8070ab9486a9960192a33971a2e7acd4d
Cape
Cape
https://www.capesandbox.com/analysis/107060/

Comments