MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 327396e5d45963437ca911467811dd873249c8fd6c7cc06a5123517725b71154. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 327396e5d45963437ca911467811dd873249c8fd6c7cc06a5123517725b71154
SHA3-384 hash: 8860a430a9dc689268d829030972b793b3e2b950d612adb3bd2ba65264931e3c1f180fb6dc38decefdfe5e5625e3280c
SHA1 hash: 00edf1ac37e984b46b5dad74988453b2974c72f9
MD5 hash: dd1ca4c9ddbd0a912ff3f350c3ce54c1
humanhash: november-pluto-white-march
File name:P104627942.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:649'216 bytes
First seen:2021-01-31 07:45:54 UTC
Last seen:2021-01-31 09:59:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:KPEd/FJOBB7O6KxLTw3n93+9GuIc4UeSTQa/TAS1OQYZFWt:KPq/3HY3n1ZuyUeWpU3pc
Threatray 1'484 similar samples on MalwareBazaar
TLSH B9D4F1A8F945B172F08836765D72DBB4413E2E221C22EB6E364C73ED15763C588E3E52
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: slot0.helitactica.xyz
Sending IP: 203.159.80.22
From: Zein Akbar <zakbar@mcdermott.com>
Reply-To: Zein Akbar <parknet96@gmail.com>
Subject: Re: PO: P104627942; R01328518
Attachment: P104627942.zip (contains "P104627942.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
160
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
P104627942.exe
Verdict:
Malicious activity
Analysis date:
2021-01-31 07:47:30 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/dc22f1fb-2b54-48b7-887f-323de528eb96

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/114923/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/594724
Signature
.NET source code contains potential unpacker
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
Detected Remcos RAT
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
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)
Uses dynamic DNS services
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 346399 Sample: P104627942.exe Startdate: 31/01/2021 Architecture: WINDOWS Score: 100 53 greenfieldsde.duckdns.org 2->53 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Detected Remcos RAT 2->61 63 8 other signatures 2->63 11 P104627942.exe 3 2->11         started        15 remcos.exe 2 2->15         started        17 remcos.exe 2 2->17         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\P104627942.exe.log, ASCII 11->51 dropped 73 Contains functionality to steal Chrome passwords or cookies 11->73 75 Contains functionality to capture and log keystrokes 11->75 77 Contains functionality to inject code into remote processes 11->77 79 Contains functionality to steal Firefox passwords or cookies 11->79 19 P104627942.exe 4 5 11->19         started        22 P104627942.exe 11->22         started        81 Injects a PE file into a foreign processes 15->81 24 remcos.exe 15->24         started        26 remcos.exe 15->26         started        28 remcos.exe 15->28         started        30 remcos.exe 17->30         started        signatures6 process7 file8 45 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 19->45 dropped 47 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 19->47 dropped 32 wscript.exe 1 19->32         started        process9 process10 34 cmd.exe 1 32->34         started        process11 36 remcos.exe 3 34->36         started        40 conhost.exe 34->40         started        file12 49 C:\Users\user\AppData\...\remcos.exe.log, ASCII 36->49 dropped 65 Multi AV Scanner detection for dropped file 36->65 67 Machine Learning detection for dropped file 36->67 69 Contains functionality to steal Chrome passwords or cookies 36->69 71 3 other signatures 36->71 42 remcos.exe 2 4 36->42         started        signatures13 process14 dnsIp15 55 greenfieldsde.duckdns.org 195.20.109.90, 6553 BANDWIDTH-ASGB United Kingdom 42->55
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/327396e5d45963437ca911467811dd873249c8fd6c7cc06a5123517725b71154/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-29 06:43:56 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gjzznzoulfrug7fjcfdhqeo5q4zetsh5nr6ma2srenixojnxcfka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
RemcosRAT
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
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5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
dfd3c33bf7be405cea03a045f3df2d9ff35f04c7da918eb916b6f224a58eea1f
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'474 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence ransomware rat
Link:
https://tria.ge/reports/210131-5jwsr45q12/
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
greenfieldsde.duckdns.org:6553
Unpacked files
SH256 hash:
327396e5d45963437ca911467811dd873249c8fd6c7cc06a5123517725b71154
MD5 hash:
dd1ca4c9ddbd0a912ff3f350c3ce54c1
SHA1 hash:
00edf1ac37e984b46b5dad74988453b2974c72f9
Link:
https://www.unpac.me/results/0574a84b-3484-4f2a-9e22-85ef47c449bb/
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
Link:
https://www.unpac.me/results/0574a84b-3484-4f2a-9e22-85ef47c449bb/
SH256 hash:
25290f401b40ee9ad69d9cbb81973dfbf562514aeec80dd36e00d98f638de5ed
MD5 hash:
de35a2906c07476eff3c088fda1a5dcb
SHA1 hash:
f1a82f8323121eb07e07ddc34e5dc3912ad5f291
Link:
https://www.unpac.me/results/0574a84b-3484-4f2a-9e22-85ef47c449bb/
SH256 hash:
12b819720c38c9a4aa19be843cabd92930e109f3cd4072e9a43f8439889b0fd2
MD5 hash:
ca19d1cb5ffc5b1d67c45ab334ffb3d6
SHA1 hash:
05827da89d2f37195fcf6875fd6e7d4e155847c5
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/0574a84b-3484-4f2a-9e22-85ef47c449bb/
Parent samples :
b39bf079197ed9f529e222dd50feb28bf27615c728fb1ee5e71ddc8a9b21930d
327396e5d45963437ca911467811dd873249c8fd6c7cc06a5123517725b71154
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/327396e5d45963437ca911467811dd873249c8fd6c7cc06a5123517725b71154

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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

zip 86f0f15c9cebb50b276546864231b330c865f97e16f8a0d0b1cb791a78a0b715

RemcosRAT

Executable exe 327396e5d45963437ca911467811dd873249c8fd6c7cc06a5123517725b71154

(this sample)

  
Dropped by
MD5 ef6ffa3bc094afeb13a79349d3c57d95
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 86f0f15c9cebb50b276546864231b330c865f97e16f8a0d0b1cb791a78a0b715
Cape
Cape
https://www.capesandbox.com/analysis/114923/

Comments