MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a
SHA3-384 hash: f1ef7515014e725c7629dea5541a5a1545c95e77b0ed9f72317275704a1c74c8ce87b969bbaa22581042f46301e8ee3d
SHA1 hash: d4f6e8412fe17ae3a9bbba31887497a13602930e
MD5 hash: 65be6bb3c24b5a9ddefb6d16d7fa9d32
humanhash: network-april-princess-mirror
File name:NEW PO 202100322.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:880'640 bytes
First seen:2021-02-04 09:27:29 UTC
Last seen:2021-02-04 11:44:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:DZmNrGZmSKVw778zelRPsYD/HDOxGEmCLaIs7cP:DZmNrLSzpsY7LEmC5
Threatray 15 similar samples on MalwareBazaar
TLSH 291512562EBC5F16D27A6FF90A70E019A3B8D1416812C34ECF921AC4AE36F945FC0E57
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: slot0.helitactica.xyz
Sending IP: 203.159.80.22
From: Ivyn (Rui Xin) <office@helitactica.xyz>
Reply-To: Ivyn (Rui Xin) <joeflorse514@gmail.com>
Subject: RE: NEW PO 202100322
Attachment: NEW PO 202100322.xz (contains "NEW PO 202100322.exe")

RemcosRAT C2:
greenfieldsde.duckdns.org:6553

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW PO 202100322.exe
Verdict:
Malicious activity
Analysis date:
2021-02-04 09:30:26 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/b2e6242c-dd66-43f3-9a63-e01a812da447

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/115514/
Detection(s):
SecuriteInfo.com.Artemis65BE6BB3C24B.7060.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the Program Files 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
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/598942
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
Contains functionalty to change the wallpaper
Delayed program exit found
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)
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: 348502 Sample: NEW PO 202100322.exe Startdate: 04/02/2021 Architecture: WINDOWS Score: 100 48 greenfieldsde.duckdns.org 2->48 52 Malicious sample detected (through community Yara rule) 2->52 54 Detected Remcos RAT 2->54 56 Yara detected AntiVM_3 2->56 58 12 other signatures 2->58 11 NEW PO 202100322.exe 3 2->11         started        14 remcos.exe 2 2->14         started        17 remcos.exe 2 2->17         started        signatures3 process4 file5 46 C:\Users\user\...46EW PO 202100322.exe.log, ASCII 11->46 dropped 19 NEW PO 202100322.exe 4 5 11->19         started        60 Injects a PE file into a foreign processes 14->60 22 remcos.exe 14->22         started        24 remcos.exe 14->24         started        26 remcos.exe 17->26         started        signatures6 process7 file8 40 C:\Program Files (x86)\Remcos\remcos.exe, PE32 19->40 dropped 42 C:\...\remcos.exe:Zone.Identifier, ASCII 19->42 dropped 28 wscript.exe 1 19->28         started        process9 process10 30 cmd.exe 1 28->30         started        process11 32 remcos.exe 3 30->32         started        34 conhost.exe 30->34         started        process12 36 remcos.exe 2 4 32->36         started        dnsIp13 50 greenfieldsde.duckdns.org 108.226.39.193, 6553 ATT-INTERNET4US United States 36->50 44 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 36->44 dropped file14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-04 09:28:08 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7tjeojqscwqxbilejj5l2dcaaozbvap3bw67skedcnizaxrrhcfa._file
Verdict:
unknown
Similar samples:
2f85c41ee13d69e68454d97153252e8ba9a3a0e85573427eac0600d41fa6824d
RemcosRAT
33b25ae8a09b3249f6f5a9971d563933e88d20dca6f2b761c308783e164de492
RemcosRAT
357ab6a0cf97d36af99606bce098c476c4a24085f4d972038b11b3570486d620
RemcosRAT
6cef436fd5577158e43bd7cc85ea84cdac90044d8e9f93c254ee7ed119fa7aed
RemcosRAT
719bb30fb8ff3d79fd0216bdbc9f9d1b377c1456a20c8d9a26f1a19e283352ba
RemcosRAT
cacfd3f384737f85e02f8c4dfad0689a71b228c8b930995c24da43582f688a64
RemcosRAT
e759db35e2aa047d055ca4d5d089da667aaa39d443a35601784090382f0d1e2a
RemcosRAT
e9b069d8601f3c5af52496366ce5921ad0a5938c1f25e18602355027c26ed631
RemcosRAT
eddb00e96bcae82158333e9c0a0e0e1cf8002af1f6287fe8a99f5e3d619af2fb
RemcosRAT
f5b21be44a7076a4414adf52f6bae43d0dfbcd460bc35921e5ea81549ea16f4a
RemcosRAT
+ 5 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/210204-w8m7ahxqfa/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Unpacked files
SH256 hash:
b9c0b37d08f9cb6874322277d8bc22ab7fad96ff2999c02ed3744bf97c64af25
MD5 hash:
5a1b7fc37099a90bdc33391f405b860e
SHA1 hash:
ff638f94f44ea7ea5be6f6ea84176849444bf3ff
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/7fefe3de-8ad3-4d34-9df1-8163d7908c9d/
Parent samples :
e9b069d8601f3c5af52496366ce5921ad0a5938c1f25e18602355027c26ed631
f5b21be44a7076a4414adf52f6bae43d0dfbcd460bc35921e5ea81549ea16f4a
fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
Link:
https://www.unpac.me/results/7fefe3de-8ad3-4d34-9df1-8163d7908c9d/
SH256 hash:
4751453b3161457f4d9338ccbf926cffc78d8c7ea249ced114ef534ec5749d2a
MD5 hash:
7a275fd9b351f222f2c01730c39d9005
SHA1 hash:
6e23b4a6cae44a11a38992297898789fe1a568a2
Link:
https://www.unpac.me/results/7fefe3de-8ad3-4d34-9df1-8163d7908c9d/
SH256 hash:
fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a
MD5 hash:
65be6bb3c24b5a9ddefb6d16d7fa9d32
SHA1 hash:
d4f6e8412fe17ae3a9bbba31887497a13602930e
Link:
https://www.unpac.me/results/7fefe3de-8ad3-4d34-9df1-8163d7908c9d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a

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_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Malspam

RemcosRAT

xz a1667e9fea440141e72230f59b2d777be55dc445dfd9efce8347d647c4826329

RemcosRAT

Executable exe fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a

(this sample)

  
Dropped by
MD5 26f1ae65fb16ce559390d5181f3a0b1f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/115514/
  
Dropped by
SHA256 a1667e9fea440141e72230f59b2d777be55dc445dfd9efce8347d647c4826329

Comments