MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 786dd4d9050a7a8d83b60280da6360b73ebf5680da7c9e5d8f6762f425ba099e. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 786dd4d9050a7a8d83b60280da6360b73ebf5680da7c9e5d8f6762f425ba099e
SHA3-384 hash: 9ddbebafe1922b4b0002f2904e4ef2b2544fdca4427c553d33994ff35d536c808a8d51b11df9f7d4a05f4d5305567545
SHA1 hash: 70b58cdd4b6625e6744bf5f2d61aacd41ed039cf
MD5 hash: 5608705449f9024fd604e2aa95ddf473
humanhash: timing-tango-delta-lamp
File name:DHL_119040 documento de recibo,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:690'864 bytes
First seen:2020-10-25 17:15:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'648 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:n5GNYe6NHnnGv7lgXPB0TyvqKd4ZpIUMpYjOKS8D:E
Threatray 953 similar samples on MalwareBazaar
TLSH F7E4ED3C6E8425A35173E276A4F90587FEE8698673785D4B02C37B482D6AF023D9734E
Reporter abuse_ch
Tags:DHL exe MailChannels RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: insect.birch.relay.mailchannels.net
Sending IP: 23.83.209.93
From: DHL Express Cargo <delivery@dhl.com>
Subject: RV: ENTREGA DE CARGA DHL
Attachment: DHL_119040 documento de recibo,pdf.iso (contains "DHL_119040 documento de recibo,pdf.exe")

RemcosRAT C2:
insidelife1.ddns.net:8811

Intelligence

File Origin
# of uploads :
1
# of downloads :
60
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/75728/
Detection(s):
PUA.Win.Trojan.Generic-6629274-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/509619
Signature
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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 Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 303926 Sample: DHL_119040 documento de rec... Startdate: 25/10/2020 Architecture: WINDOWS Score: 100 26 insidelife1.ddns.net 2->26 30 Multi AV Scanner detection for domain / URL 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for dropped file 2->34 36 14 other signatures 2->36 7 DHL_119040 documento de recibo,pdf.exe 1 4 2->7         started        11 vlc.exe 1 2->11         started        13 vlc.exe 2->13         started        signatures3 process4 file5 24 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->24 dropped 38 Injects a PE file into a foreign processes 7->38 15 DHL_119040 documento de recibo,pdf.exe 2 7->15         started        18 DHL_119040 documento de recibo,pdf.exe 7->18         started        20 vlc.exe 11->20         started        22 vlc.exe 13->22         started        signatures6 process7 dnsIp8 28 insidelife1.ddns.net 216.38.7.231, 49739, 49740, 49741 ASN-GIGENETUS United States 15->28
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/786dd4d9050a7a8d83b60280da6360b73ebf5680da7c9e5d8f6762f425ba099e/
Threat name:
ByteCode-MSIL.Trojan.Variadic
Create hunting rule
Status:
Malicious
First seen:
2020-10-25 16:02:50 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pbw5jwifbj5i3a5wakanuy3aw47l6vua3j6j4xmpm5rpijn2bgpa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
046ff9f608525faf76e353263ddad485e547ff4797b183ddd850f0f2c8209f91
RemcosRAT
1a1924da9d272ea46f8a0a62d7e2ecf01746e9a7621c8b1c36950788c3a3bd8c
RemcosRAT
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
65228df6e85371a2b4b1e5340f11e36cdc94f8b39bda216c0ed143eaac36912b
RemcosRAT
736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f
RemcosRAT
7a6f6659840dc30d797d816e1b2bbeb847c36c2e330fe45369b9037a113e8bc6
RemcosRAT
b530ffc8af72cb51943f2fb8f38bc778c4544f57b61de593960dd4a97327ca64
RemcosRAT
be83ef519ed5e3e444b10b4dd8a77515cda4993c6ce69f565405c9c2bd0901bc
RemcosRAT
bfa4daa95a303253a45cc02597d1fa404168fb88e627dc3afa4b3548a6ff893d
RemcosRAT
ca60958a09d1cd5817504857d90b846a9ce6f6ee1bed7686318b3741108b709c
RemcosRAT
+ 943 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/201025-t6j7rqjqmx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
insidelife1.ddns.net:8811
Unpacked files
SH256 hash:
786dd4d9050a7a8d83b60280da6360b73ebf5680da7c9e5d8f6762f425ba099e
MD5 hash:
5608705449f9024fd604e2aa95ddf473
SHA1 hash:
70b58cdd4b6625e6744bf5f2d61aacd41ed039cf
Link:
https://www.unpac.me/results/98f0eb1b-9f0e-453a-96ff-ef4bfd59ebac/
SH256 hash:
acb8d6bb65401a1524124453a0a5655e538b76189eb88386a9a14e6b4f85b9f2
MD5 hash:
237d98e9aed59c2c10ccc7b2417df272
SHA1 hash:
0b322ed364408fb5afb93951517595a847e99173
Link:
https://www.unpac.me/results/98f0eb1b-9f0e-453a-96ff-ef4bfd59ebac/
SH256 hash:
267d879ab7f74d4c76c08d404ae6ba126d67a637ab333d8fb7c2c0c341af4be1
MD5 hash:
700662352ac529b35af691508535ea5d
SHA1 hash:
3594aa46fe2cb03bbc720b4d9608255f6b942195
Link:
https://www.unpac.me/results/98f0eb1b-9f0e-453a-96ff-ef4bfd59ebac/
SH256 hash:
ef8e084c9c5c4853fecdf640f26e0e4f214a6031451524281d4bb7708f926a1c
MD5 hash:
76dbb0c79b0926f697c642f376ce2ac9
SHA1 hash:
ad043a1c9ed2d710f9c89da1f5f4df96c52813db
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/98f0eb1b-9f0e-453a-96ff-ef4bfd59ebac/
Parent samples :
3e306d7047d78c4f7381e51c0fa80b840e5fa76b14393195faea2791166671b5
878643568188dd7d9aace8ab1eeb2d239b40813156ead079638f17ddc7d2fd83
786dd4d9050a7a8d83b60280da6360b73ebf5680da7c9e5d8f6762f425ba099e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/786dd4d9050a7a8d83b60280da6360b73ebf5680da7c9e5d8f6762f425ba099e

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:unixredflags
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for red flags
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

iso ec0e32302557575a3df904dea70ad9f04bfe436cef1a880d18a5f256612d6064

RemcosRAT

Executable exe 786dd4d9050a7a8d83b60280da6360b73ebf5680da7c9e5d8f6762f425ba099e

(this sample)

  
Dropped by
MD5 5c55347428dc15ca68ebd279a2bdcd70
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/75728/
  
Dropped by
SHA256 ec0e32302557575a3df904dea70ad9f04bfe436cef1a880d18a5f256612d6064

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