MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73034f52ab0662e125659b9771ecd27259b03e3635fbeda5d7252f53fb2bbc7f. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73034f52ab0662e125659b9771ecd27259b03e3635fbeda5d7252f53fb2bbc7f
SHA3-384 hash: ac1767e667055b7492333c2f72207f5e246d21a2095152bf065fcec5e729ade991bdd2533720b066c35c27501bba7ae8
SHA1 hash: 8e8017b5f053c11bfdfed2938fded49c40d476d7
MD5 hash: b5d97734769b741e95fc7c8aed29ba16
humanhash: fifteen-kilo-island-nitrogen
File name:1lXgHRALOGfjaD2.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:841'216 bytes
First seen:2020-10-17 06:39:36 UTC
Last seen:2020-10-17 08:03:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'449 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:aykZXKcXTAoHqkAD6Py15i7WEH0RASIjlrKJqkqhZyjwzqIC7zdU8+x1mJH5oQMe:2PAoHqkAePym7WEH04lrU7
Threatray 864 similar samples on MalwareBazaar
TLSH F205C59C369072DEC46BC972DAA85C64FBA07CB7431BD207901335A89A3D99BDF141F2
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: mysmtp5
Sending IP: 52.175.199.45
From: DHL Customer Service <customer@dhl.com>
Subject: DHL - Pending delivery
Attachment: DHL Detail.img (contains "1lXgHRALOGfjaD2.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/72456/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader35.1970.16151.14258.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494291
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
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: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73034f52ab0662e125659b9771ecd27259b03e3635fbeda5d7252f53fb2bbc7f/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-10-16 21:29:32 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ombu6uvlazrocjlftolxd3gsojm3aprwgx563joxeuxvh6zlxr7q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1a1924da9d272ea46f8a0a62d7e2ecf01746e9a7621c8b1c36950788c3a3bd8c
RemcosRAT
26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292
RemcosRAT
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f
RemcosRAT
83eb442b175e4fe5a2fde6e8d72618eee280398f89a81da1f9c118d2c46032d4
RemcosRAT
be83ef519ed5e3e444b10b4dd8a77515cda4993c6ce69f565405c9c2bd0901bc
RemcosRAT
d7c62c1526c39e136b5c7a703c92ec5f8a67c987a7414e0cbb145172671a2293
RemcosRAT
deeeb57609c406b43e7e77a38726a357ab063d110c06e4f1c56eb491c20659ce
RemcosRAT
e39c2e98071d4440d02e6d1aa86111536d6d01554489bd71f890455c05e424d3
RemcosRAT
eb1230ab4a5408a3d264bb51f1ff311fcf52aa97d52b801738cd5add365e77d2
RemcosRAT
+ 854 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos
Link:
https://tria.ge/reports/201017-j2y2vn6bh2/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Unpacked files
SH256 hash:
73034f52ab0662e125659b9771ecd27259b03e3635fbeda5d7252f53fb2bbc7f
MD5 hash:
b5d97734769b741e95fc7c8aed29ba16
SHA1 hash:
8e8017b5f053c11bfdfed2938fded49c40d476d7
Link:
https://www.unpac.me/results/a01f84fe-63b5-4b0a-b389-cf17eb163ff8/
SH256 hash:
79f902fe5da85b21f325efaac0c144fdb8cd6cd6092a61f754fdeba457f2a53f
MD5 hash:
f1fa15a873715df4b21708f7e46914b1
SHA1 hash:
33fc183ee9a9ae01f23511aee98be276ca4caf95
Link:
https://www.unpac.me/results/a01f84fe-63b5-4b0a-b389-cf17eb163ff8/
SH256 hash:
c1f3014efaf2118b11c25949e395c114ab71a7363fb2912875339b3191a938bc
MD5 hash:
4d22e69c7664bdadfaacf22ea9cd43e2
SHA1 hash:
a66ba2f18dad08b883efd6eb7403fd219921490f
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/a01f84fe-63b5-4b0a-b389-cf17eb163ff8/
Parent samples :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 hash:
2feef3b4fb2f0ca3dfc49247d43e0673de29ea740d883c5daf6be7d1071ace21
MD5 hash:
012080cf0a4e1168dc84a3a974803dea
SHA1 hash:
c94ecea4876b674eb445716c99328395639ca164
Link:
https://www.unpac.me/results/a01f84fe-63b5-4b0a-b389-cf17eb163ff8/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/a01f84fe-63b5-4b0a-b389-cf17eb163ff8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/73034f52ab0662e125659b9771ecd27259b03e3635fbeda5d7252f53fb2bbc7f

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: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 87f2213608511dc94dfffe24a167dcb0def99e2cff81ff9dda1fa286f0645de1

RemcosRAT

Executable exe 73034f52ab0662e125659b9771ecd27259b03e3635fbeda5d7252f53fb2bbc7f

(this sample)

  
Dropped by
MD5 7a91545b52b2b26589171615da4f6825
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 87f2213608511dc94dfffe24a167dcb0def99e2cff81ff9dda1fa286f0645de1
Cape
Cape
https://www.capesandbox.com/analysis/72456/

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