MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca7a5346affad6a16ff2f1922db1b240a17c052c7fa1094934ca94fa0ab6883e. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca7a5346affad6a16ff2f1922db1b240a17c052c7fa1094934ca94fa0ab6883e
SHA3-384 hash: 0938c01427363591b14b06986f4b6b1d08c675e4b457085842105e58ec0903caafe4057c635af9f0a834f769d312600b
SHA1 hash: 045b4da9fe280d870ec587742cbee0aaf21f85b1
MD5 hash: 6fd9505467d7a1da8ecb8d091d93e7e5
humanhash: may-mockingbird-jig-nevada
File name:Bayerncompany New Order 20200706 2.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:607'232 bytes
First seen:2020-07-21 07:45:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:JL31q9I6/kldSCGDyaod+ik4g8y3SoDEEmEuPBuPGg:JDOPW2rEloDEEV+BuPGg
Threatray 807 similar samples on MalwareBazaar
TLSH D6D4C0CD66513806CABC1EFC8F52C67843349C50F9F2A35E1BD1BDAA297E383D846652
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: bayercornpany.com
Sending IP: 156.96.62.51
From: procurements@bayercornpany.com
Subject: PO_ Price Request (Bayerncompany New Order 20200706)
Attachment: Bayerncompany New Order 20200706 2.exe

RemcosRAT C2:
185.140.53.13:6649

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-BE-NL4
country: EU
descr: Zaventem, Belgium
descr: Amsterdam, Netherlands
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-07-16T21:16:41Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29843/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
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/392817
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248698 Sample: Bayerncompany New Order 202... Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Detected Remcos RAT 2->65 67 13 other signatures 2->67 9 Bayerncompany New Order 20200706 2.exe 1 2->9         started        13 mozilla.exe 2->13         started        15 mozilla.exe 2->15         started        process3 file4 53 Bayerncompany New ... 20200706 2.exe.log, ASCII 9->53 dropped 77 Injects a PE file into a foreign processes 9->77 17 Bayerncompany New Order 20200706 2.exe 1 5 9->17         started        20 mozilla.exe 13->20         started        22 mozilla.exe 13->22         started        24 mozilla.exe 13->24         started        26 mozilla.exe 13->26         started        28 mozilla.exe 15->28         started        signatures5 process6 file7 47 C:\Users\user\AppData\Roaming\...\mozilla.exe, PE32 17->47 dropped 49 C:\Users\user\...\mozilla.exe:Zone.Identifier, ASCII 17->49 dropped 30 cmd.exe 1 17->30         started        process8 signatures9 81 Uses ping.exe to sleep 30->81 33 mozilla.exe 1 30->33         started        37 PING.EXE 1 30->37         started        40 conhost.exe 30->40         started        process10 dnsIp11 51 C:\Users\user\AppData\...\mozilla.exe.log, ASCII 33->51 dropped 69 Multi AV Scanner detection for dropped file 33->69 71 BOT functionalities found, sample is likely a BOT 33->71 73 Machine Learning detection for dropped file 33->73 75 4 other signatures 33->75 42 mozilla.exe 1 3 33->42         started        57 127.0.0.1 unknown unknown 37->57 file12 signatures13 process14 dnsIp15 59 185.140.53.13, 49716, 49717, 49718 DAVID_CRAIGGG Sweden 42->59 55 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 42->55 dropped 79 Installs a global keyboard hook 42->79 file16 signatures17
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca7a5346affad6a16ff2f1922db1b240a17c052c7fa1094934ca94fa0ab6883e/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 07:47:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zj5fgrvp7llkc37s6gjc3mnsicqxybjmp6qqssjuzkkpucvwra7a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3f2c710a97bb42579ee2f9956437ff160a68bd787439fbc025ab3d6b46076d34
RemcosRAT
51358357df23c81216cfed7bb144fcf65b611e622a661fa9fd5beaea4d749bb3
RemcosRAT
56fee643ba39ac908309688827397099ca6b707c45154eb14da1b693f6b16571
RemcosRAT
753883fa972dda966abb3adad3cfc94f0a82ca128d1908df58bac3ba93e60bd3
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762d689595557fa3064907433659411b95132e554f7d17fcf62d1a77db51e3e5
RemcosRAT
81783c63ad44bdb77b3db79ec3cafb33222395e89d765c4ffbab36ea6b9c96eb
RemcosRAT
9160a75fe7bd27c3cb8141039d4c7383162b199454dfa285dd7d11f9fcfe52b1
RemcosRAT
97d0665cd19b89fabb2a9220c19b88776693c6bcc7d2159c10e18cf3707bb019
RemcosRAT
aad53b1b6e50e7ee426f0790b5497cb7d63704a6775248f258db1263762761bb
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c851749fd6c9fa19293d8ee2c5b45b3dc8561115ddfe7166fbaefcb9b353b7c4
RemcosRAT
+ 797 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos persistence
Link:
https://tria.ge/reports/200721-adfpvptqyn/
Behaviour
Suspicious use of SetWindowsHookEx
Runs ping.exe
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
185.140.53.13:6649
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ca7a5346affad6a16ff2f1922db1b240a17c052c7fa1094934ca94fa0ab6883e

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: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

Executable exe ca7a5346affad6a16ff2f1922db1b240a17c052c7fa1094934ca94fa0ab6883e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29843/

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