MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aea8b826c919840c0757bde7e31b915fda0439bd28b10418479aa17c53f91e12. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aea8b826c919840c0757bde7e31b915fda0439bd28b10418479aa17c53f91e12
SHA3-384 hash: 4f18ad7f665e2a3cb65c28d120da98807ecd1a501b916e9b49b99b7d99acc1008cbfe44ac80fd9324ab667b9d2df9eb6
SHA1 hash: 9fd613617dd96e689472575dae56c5497dbf3348
MD5 hash: ed0657c7ee885752cc36859ac8c4f7f9
humanhash: saturn-eighteen-three-oranges
File name:SC30003983763.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:503'808 bytes
First seen:2021-01-13 07:37:26 UTC
Last seen:2021-01-13 09:38:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 13f6eb96e7165e986a0d233796ec15e0 (5 x Formbook, 5 x RemcosRAT, 1 x Loki)
ssdeep 12288:1KEte0eqcppvppikkkkkCuGnKrIdR9uB0ZtX0X8q:ftreqlTnKkxZ90X8q
Threatray 1'369 similar samples on MalwareBazaar
TLSH 08B48D89E980E6E0C82CD3315A3BCC3B47277D6D65B4500D75DD7E673BBB9A3002668A
Reporter abuse_ch
Tags:exe Hostwinds nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: hwsrv-824509.hostwindsdns.com
Sending IP: 192.119.110.35
From: Accounts <nitinsachideva@yahoo.com>
Subject: Re: SwiftCopy //HBU300937746
Attachment: SC30003983763.UUE (contains "SC30003983763.exe")

RemcosRAT C2:
79.134.225.72:32765

Hosted on nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
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.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SC30003983763.exe
Verdict:
Malicious activity
Analysis date:
2021-01-13 09:41:35 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/de9d26b9-a3a7-42d4-bcab-8625e2c77185

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111738/
Detection(s):
SecuriteInfo.com.Variant.Jaik.42989.25647.24657.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/579878
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
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
Detected unpacking (creates a PE file in dynamic memory)
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)
Maps a DLL or memory area into another process
Sigma detected: Suspicious Svchost Process
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 338983 Sample: SC30003983763.exe Startdate: 13/01/2021 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for dropped file 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 7 other signatures 2->55 8 SC30003983763.exe 4 2->8         started        process3 file4 41 C:\Users\user\AppData\Local\...\58764676.exe, PE32 8->41 dropped 43 C:\...\be66102cee3d44508fbecb04dfa1cfea.xml, XML 8->43 dropped 57 Detected unpacking (creates a PE file in dynamic memory) 8->57 59 Contains functionality to steal Chrome passwords or cookies 8->59 61 Contains functionality to capture and log keystrokes 8->61 63 3 other signatures 8->63 12 SC30003983763.exe 3 3 8->12         started        16 cmd.exe 1 8->16         started        signatures5 process6 dnsIp7 45 79.134.225.72, 32765, 49735 FINK-TELECOM-SERVICESCH Switzerland 12->45 65 Writes to foreign memory regions 12->65 67 Allocates memory in foreign processes 12->67 69 Injects a PE file into a foreign processes 12->69 18 svchost.exe 1 12->18         started        20 svchost.exe 1 12->20         started        22 svchost.exe 1 12->22         started        28 4 other processes 12->28 24 conhost.exe 16->24         started        26 schtasks.exe 1 16->26         started        signatures8 process9 process10 30 WerFault.exe 18->30         started        33 WerFault.exe 23 9 20->33         started        35 WerFault.exe 2 9 22->35         started        37 WerFault.exe 9 28->37         started        39 WerFault.exe 9 28->39         started        dnsIp11 47 192.168.2.1 unknown unknown 30->47
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aea8b826c919840c0757bde7e31b915fda0439bd28b10418479aa17c53f91e12/
Threat name:
Win32.Dropper.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-13 07:38:14 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v2ulqjwjdgcayb2xxxt6gg4rl7naion5fcyqigchtkqxyu7zdyja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
00b65900131d5d5cac9d48c65ff2e53677418d7c50f0c09480af43e80845bef3
RemcosRAT
01c59004eb5e4390f96dc41ca001c9bd036068645fb55a922cded1ee1ecf014c
RemcosRAT
4c61692f5b36f6b2b136958c7c315113899a1bdb1cfe7415f37c0acfdaab01a7
RemcosRAT
4f718a40662228b1b5efca4664eb07f6d1918b62bc8b29598410d1dc5bb76c70
RemcosRAT
9502b93f782ae19b93623605f74ebc2ee277a453ecd2286ef990d62c28a601e6
RemcosRAT
98d8bbdf43367821e74fd0c26f5bdda07fe9a750476cce1bb0df88c5aa18b745
RemcosRAT
b67361c9d7c2bcbe7e94b698f4d5abd1e6ffd96429d2c66dcfd92a573303e4f0
RemcosRAT
b704ceb41947acea7cb7c2d1a5b3de33b25120728fec16b4d8b35fbaa05e5afb
RemcosRAT
bc8513a74ddfc1a9a78fbdbf39d90a61d59819dfb116846daf730693622c3c69
RemcosRAT
fa5850a0ba8809631d4e3f5a3f8cafa133b3d6ae37088eeb934ec13d1bc9f368
RemcosRAT
+ 1'359 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210113-kpaxrw6qlj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
79.134.225.72:32765
Unpacked files
SH256 hash:
aea8b826c919840c0757bde7e31b915fda0439bd28b10418479aa17c53f91e12
MD5 hash:
ed0657c7ee885752cc36859ac8c4f7f9
SHA1 hash:
9fd613617dd96e689472575dae56c5497dbf3348
Link:
https://www.unpac.me/results/34cf3a3b-8f65-46c1-8ab1-2a09a8e2c93d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.82
Link:
https://yomi.yoroi.company/submissions/aea8b826c919840c0757bde7e31b915fda0439bd28b10418479aa17c53f91e12

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

uue bbe0c996288630bb644f6be902b23d19ce8ef54b617d6a3e9b29d17e16e61dab

RemcosRAT

Executable exe aea8b826c919840c0757bde7e31b915fda0439bd28b10418479aa17c53f91e12

(this sample)

  
Dropped by
MD5 b0b953e09dd098102d00f9932817607e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 bbe0c996288630bb644f6be902b23d19ce8ef54b617d6a3e9b29d17e16e61dab
Cape
Cape
https://www.capesandbox.com/analysis/111738/

Comments