MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0e87c60c05c9b9a184ad81e279fabb2e997ab1d79cba0248548d846ecab8510. 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: 9


Intelligence 9 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0e87c60c05c9b9a184ad81e279fabb2e997ab1d79cba0248548d846ecab8510
SHA3-384 hash: 5e2a971e9aa1f7f141b8a9dc76617f911eee9d08bd7b59c93b64c56639e0c26550e5c49d5ac1758407cc518162e0004b
SHA1 hash: c00fa12786867e2a9ef4c99bc2b171a87ff1363e
MD5 hash: a6a839b98a813c4b1f218938872783e1
humanhash: sixteen-double-zebra-maine
File name:PO FH8765446878.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:509'104 bytes
First seen:2020-10-21 15:48:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'651 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 3072:S16UxoWXRxaO4w6dg8M0XpzTNBXqxXB9XpOZf9vaYUoA:avX0w6dy
Threatray 921 similar samples on MalwareBazaar
TLSH 9AB4943DADD66237A1B7E676C9F509DBFA1179433111AC0E81DB27820A23B977DC201E
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: server.uthink.eu
Sending IP: 87.76.27.126
From: Diago Gimenez<compras@valmec.com.ar>
Subject: Re: Pedido PO FH8765446878
Attachment: PO FH8765446878.iso (contains "PO FH8765446878.exe")

RemcosRAT C2:
incidencias6645.ddns.net:8638 (185.244.30.10)

Pointing to nVpn:

% Information related to '185.244.30.0 - 185.244.30.255'

% Abuse contact for '185.244.30.0 - 185.244.30.255' is 'abuse@privacyfirst.sh'

inetnum: 185.244.30.0 - 185.244.30.255
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-HU
country: HU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-10-07T21:39:48Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Parallax
Create hunting rule
Link:
https://www.capesandbox.com/analysis/74213/
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
Setting a global event handler for the keyboard
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/506283
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
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: 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: 302231 Sample: PO FH8765446878.exe Startdate: 21/10/2020 Architecture: WINDOWS Score: 100 39 incidencias6645.ddns.net 2->39 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for dropped file 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 14 other signatures 2->51 7 PO FH8765446878.exe 1 4 2->7         started        11 vlc.exe 1 2->11         started        13 vlc.exe 2->13         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->31 dropped 33 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\...\PO FH8765446878.exe.log, ASCII 7->35 dropped 53 Injects a PE file into a foreign processes 7->53 15 PO FH8765446878.exe 2 3 7->15         started        19 PO FH8765446878.exe 7->19         started        37 C:\Users\user\AppData\Local\...\vlc.exe.log, ASCII 11->37 dropped 21 vlc.exe 11->21         started        23 vlc.exe 11->23         started        25 vlc.exe 13->25         started        27 vlc.exe 13->27         started        signatures6 process7 dnsIp8 41 incidencias6645.ddns.net 185.244.30.10, 49728, 49729, 49730 DAVID_CRAIGGG Netherlands 15->41 43 192.168.2.1 unknown unknown 15->43 29 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 15->29 dropped file9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0e87c60c05c9b9a184ad81e279fabb2e997ab1d79cba0248548d846ecab8510/
Threat name:
ByteCode-MSIL.Trojan.Startun
Create hunting rule
Status:
Malicious
First seen:
2020-10-21 14:24:19 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uduhyygalsnzugck3apcph5lwluzpky5phf2ajefjdmen3flquia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
046ff9f608525faf76e353263ddad485e547ff4797b183ddd850f0f2c8209f91
RemcosRAT
3c1ce706aa7b96510a66e677037aa60b52ad2bbe1b02c2dc708e338842fe7e4a
RemcosRAT
3e306d7047d78c4f7381e51c0fa80b840e5fa76b14393195faea2791166671b5
RemcosRAT
485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
RemcosRAT
65228df6e85371a2b4b1e5340f11e36cdc94f8b39bda216c0ed143eaac36912b
RemcosRAT
736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f
RemcosRAT
7a6f6659840dc30d797d816e1b2bbeb847c36c2e330fe45369b9037a113e8bc6
RemcosRAT
b530ffc8af72cb51943f2fb8f38bc778c4544f57b61de593960dd4a97327ca64
RemcosRAT
bfa4daa95a303253a45cc02597d1fa404168fb88e627dc3afa4b3548a6ff893d
RemcosRAT
ca60958a09d1cd5817504857d90b846a9ce6f6ee1bed7686318b3741108b709c
RemcosRAT
+ 911 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
rat family:remcos persistence
Link:
https://tria.ge/reports/201021-43as3lqxfa/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
incidencias6645.ddns.net:8638
Unpacked files
SH256 hash:
a0e87c60c05c9b9a184ad81e279fabb2e997ab1d79cba0248548d846ecab8510
MD5 hash:
a6a839b98a813c4b1f218938872783e1
SHA1 hash:
c00fa12786867e2a9ef4c99bc2b171a87ff1363e
Link:
https://www.unpac.me/results/d3b4b4f1-22d8-4834-ab0b-83a5b70e33df/
SH256 hash:
1a6744e1ee145bd4c546f5c6bd09f6e4d84740fada44b08d20701ca8180e630a
MD5 hash:
4dc4483098aba0aa57bcf05615b93980
SHA1 hash:
066521935e7371346dc7ae462d5e5ef662704f93
Link:
https://www.unpac.me/results/d3b4b4f1-22d8-4834-ab0b-83a5b70e33df/
SH256 hash:
bcae4c5ca1ad436f05f6d52fbd3ffb22aeea32492b4dd378bd715869d81622fa
MD5 hash:
c81a2fbd4541f3ede628bcffa0c0d379
SHA1 hash:
ccbe2d29399246fea9c29cd62efda8277749fe58
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/d3b4b4f1-22d8-4834-ab0b-83a5b70e33df/
Parent samples :
d18e31c42d64a21777bb04a3b0015d415050a6303ae3d864f129ecb50f0f87bb
736bd7b09aa1e987edac64868cc8e5db0d86e709652e0588e2023d052f3def8f
857ad0bf941ee434d96692477bec16c72571ce266091ba4bcc6952f409aff198
0f0f600613b5b1d1e9d80c6229d2ec639d4477d107fa080a5f58d3f61997bceb
18beca395ea8cfba85e8fb26a3adc366bf7c047088c2fe16b4ed587cecd6e57f
7a6f6659840dc30d797d816e1b2bbeb847c36c2e330fe45369b9037a113e8bc6
a0e87c60c05c9b9a184ad81e279fabb2e997ab1d79cba0248548d846ecab8510
94f225b0d4018228ee1c69317cd8f369f3c343378145e41cdf939d4dd30b988d
SH256 hash:
19181fbef769d6eb86951b14cfe4933e685fd2140188b8d87893c8395f32317e
MD5 hash:
793abb240cc18232dbd2bc84e7165814
SHA1 hash:
df91074805a6b368261e18b6cf6712a4b9a8181b
Link:
https://www.unpac.me/results/d3b4b4f1-22d8-4834-ab0b-83a5b70e33df/
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
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: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 5d0cde1b38b55613f041a642d41680f1497ea2b70790b49646a2385794933e31

RemcosRAT

Executable exe a0e87c60c05c9b9a184ad81e279fabb2e997ab1d79cba0248548d846ecab8510

(this sample)

  
Dropped by
MD5 f5ad0b3d78c361c32579d8abfeb44bb6
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/74213/
  
Dropped by
SHA256 5d0cde1b38b55613f041a642d41680f1497ea2b70790b49646a2385794933e31

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