MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d18e31c42d64a21777bb04a3b0015d415050a6303ae3d864f129ecb50f0f87bb. 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 7 File information Comments

SHA256 hash: d18e31c42d64a21777bb04a3b0015d415050a6303ae3d864f129ecb50f0f87bb
SHA3-384 hash: 0d95b7797682672d64568f9b96f944a09ea6ecdd74abf8280d805a9ed1974cf1ae1d9125f9417a234ecd32b6aef1235c
SHA1 hash: 196b5bf70932fa2ee7331f7bea9185f9c032dd59
MD5 hash: bdf307f12dba8b896156b15c91e97e2d
humanhash: green-single-whiskey-rugby
File name:DHL DECLARACIÓN DE CUENTAS -1301383112,pdf.exe
Download: download sample
Signature RemcosRAT
File size:982'528 bytes
First seen:2020-10-09 06:31:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:B567B7vSUp06gjeGvzDya9yZwxnU4KKCeaJ3BPVlub3Qste1HpR8hJOactj+z0S0:XmB7vSbjv/ymISUSCJxPTGgO
Threatray 27 similar samples on MalwareBazaar
TLSH 82254DC8F24079EED417CA728D745C20A6517C7A8337D20BA01B31AD9A7F587EE61CA7
Reporter abuse_ch
Tags:DHL exe RemcosRAT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: cloudhost-1457425.us-midwest-1.nxcli.net
Sending IP: 8.29.157.202
From: InvoiceQuery@dhl.com
Subject: DHL DECLARACIÓN DE CUENTAS -1301383112
Attachment: DHL DECLARACIÓN DE CUENTAS -1301383112,pdf.iso (contains "DHL DECLARACIÓN DE CUENTAS -1301383112,pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 295642 Sample: DHL DECLARACI#U00c3#U201cN ... Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 44 incidencias6645.ddns.net 2->44 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->52 54 11 other signatures 2->54 8 DHL DECLARACI#U00c3#U201cN DE CUENTAS -1301383112,pdf.exe 1 7 2->8         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\JgWIIlFoT.exe, PE32 8->34 dropped 36 C:\Users\...\JgWIIlFoT.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpE631.tmp, XML 8->38 dropped 40 DHL DECLARACI#U00c...1383112,pdf.exe.log, ASCII 8->40 dropped 11 vbc.exe 8->11         started        16 powershell.exe 23 8->16         started        18 powershell.exe 23 8->18         started        20 12 other processes 8->20 process6 dnsIp7 46 incidencias6645.ddns.net 79.134.225.83, 49750, 49751, 49752 FINK-TELECOM-SERVICESCH Switzerland 11->46 42 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 11->42 dropped 56 Contains functionality to steal Chrome passwords or cookies 11->56 58 Contains functionality to capture and log keystrokes 11->58 60 Contains functionality to inject code into remote processes 11->60 62 Contains functionality to steal Firefox passwords or cookies 11->62 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 9 other processes 20->32 file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-08 15:40:30 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
evasion trojan rat family:remcos
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Windows security modification
Modifies Windows Defender Real-time Protection settings
Remcos
Malware Config
C2 Extraction:
incidencias6645.ddns.net:8638
Unpacked files
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
SH256 hash:
183bae49e01ad24338bfcec61678b87f5238f03d118057c04f6145ca63111bfb
MD5 hash:
f9ed7f79655f9301d9798a00c780a3c7
SHA1 hash:
508922e61a5ce3f255a64cde6560da7d60e9e4ab
SH256 hash:
3ff0630041f0b3e5c37daca8a50a14f87d785440a7141011905b9dab89b0216b
MD5 hash:
c06592c4f3e1a8c0654f5c4301db7f2b
SHA1 hash:
5662cea11d96fdbe03422edf98b02c99d94d8c26
SH256 hash:
d18e31c42d64a21777bb04a3b0015d415050a6303ae3d864f129ecb50f0f87bb
MD5 hash:
bdf307f12dba8b896156b15c91e97e2d
SHA1 hash:
196b5bf70932fa2ee7331f7bea9185f9c032dd59
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_remcos_g0
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>

File information


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

Malspam

RemcosRAT

Executable exe d18e31c42d64a21777bb04a3b0015d415050a6303ae3d864f129ecb50f0f87bb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments