MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 138fa2cd5e89767fd71e4e32719550f54910e3ecc3f81fea5341321cc1b5d429. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 138fa2cd5e89767fd71e4e32719550f54910e3ecc3f81fea5341321cc1b5d429
SHA3-384 hash: c42dcf1920ae219ad99da4f0a5ad816b4fc4b7a1b2dd27746b4cd3573e06c8a640d99e129dfc84c09858e95c75119c29
SHA1 hash: fec7e376072cf881a572707d305bfaa41a09da85
MD5 hash: 4375421ae3eeb86eefcc570b9ad4c782
humanhash: crazy-white-neptune-quebec
File name:SecuriteInfo.com.BScope.Trojan-Dropper.Injector.486
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:337'920 bytes
First seen:2021-01-19 11:56:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 616765ca1e3c367f5f3771d38d13b610 (7 x Loki, 4 x RemcosRAT, 4 x AgentTesla)
ssdeep 6144:O3CDRM9sIkrdnvQgUmCey2zw//AWeuVT9cd2Py4UPSwx:Gf9HmdvQKCetzw//AW/mYy3H
Threatray 1'802 similar samples on MalwareBazaar
TLSH 6874CF3571C1C431C06202B64274E7A209BE7E319B765CDBAFEADC4D1AB91E1A336763
Reporter SecuriteInfoCom
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.BScope.Trojan-Dropper.Injector.486
Verdict:
Malicious activity
Analysis date:
2021-01-19 11:57:56 UTC
Tags:
rat remcos trojan keylogger
Link:
https://app.any.run/tasks/07108209-5cbe-481d-900f-ee1cc5f689a0

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/112851/
Detection(s):
SecuriteInfo.com.BScope.Trojan-Dropper.Injector.486.UNOFFICIAL
Create hunting rule

PUA.Win.Adware.Bang5mai-6804572-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process from a recently created file
Creating a window
Deleting a recently created file
Sending a UDP request
DNS request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Stealing user critical data
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:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/584888
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
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341474 Sample: SecuriteInfo.com.BScope.Tro... Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 86 Malicious sample detected (through community Yara rule) 2->86 88 Multi AV Scanner detection for dropped file 2->88 90 Multi AV Scanner detection for submitted file 2->90 92 7 other signatures 2->92 14 SecuriteInfo.com.BScope.Trojan-Dropper.Injector.exe 4 2->14         started        18 remcos.exe 1 2->18         started        process3 file4 74 C:\Users\user\AppData\Local\Temp\...\file.exe, PE32 14->74 dropped 76 C:\...\ce4b66f34c3a4a39a635a2e5228e4302.xml, XML 14->76 dropped 112 Contains functionality to steal Chrome passwords or cookies 14->112 114 Contains functionality to capture and log keystrokes 14->114 116 Contains functionality to inject code into remote processes 14->116 118 Contains functionality to steal Firefox passwords or cookies 14->118 20 SecuriteInfo.com.BScope.Trojan-Dropper.Injector.exe 1 14->20         started        23 cmd.exe 1 14->23         started        25 SecuriteInfo.com.BScope.Trojan-Dropper.Injector.exe 14->25         started        27 remcos.exe 1 18->27         started        29 remcos.exe 18->29         started        signatures5 process6 signatures7 96 Maps a DLL or memory area into another process 20->96 31 SecuriteInfo.com.BScope.Trojan-Dropper.Injector.exe 4 5 20->31         started        34 remcos.exe 1 20->34         started        37 conhost.exe 23->37         started        39 schtasks.exe 1 23->39         started        41 remcos.exe 1 27->41         started        43 remcos.exe 27->43         started        process8 file9 78 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 31->78 dropped 80 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 31->80 dropped 45 wscript.exe 1 31->45         started        47 remcos.exe 31->47         started        94 Maps a DLL or memory area into another process 41->94 49 remcos.exe 41->49         started        signatures10 process11 process12 51 cmd.exe 1 45->51         started        process13 53 remcos.exe 1 51->53         started        56 conhost.exe 51->56         started        signatures14 100 Multi AV Scanner detection for dropped file 53->100 102 Detected unpacking (creates a PE file in dynamic memory) 53->102 104 Machine Learning detection for dropped file 53->104 106 3 other signatures 53->106 58 remcos.exe 1 53->58         started        60 remcos.exe 53->60         started        process15 process16 62 remcos.exe 1 58->62         started        65 remcos.exe 58->65         started        signatures17 110 Maps a DLL or memory area into another process 62->110 67 remcos.exe 2 3 62->67         started        process18 dnsIp19 82 eileenwmsscm.duckdns.org 185.140.53.234, 2558, 49717, 49719 DAVID_CRAIGGG Sweden 67->82 84 192.168.2.1 unknown unknown 67->84 98 Injects a PE file into a foreign processes 67->98 71 remcos.exe 13 67->71         started        signatures20 process21 signatures22 108 Tries to harvest and steal browser information (history, passwords, etc) 71->108
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/138fa2cd5e89767fd71e4e32719550f54910e3ecc3f81fea5341321cc1b5d429/
Threat name:
Win32.Trojan.Rescoms
Create hunting rule
Status:
Malicious
First seen:
2021-01-19 09:09:38 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=coh2ftk6rf3h7vy6jyzhdfkq6verby7myp4b72stiezbzqnv2quq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
07cb866df6df9ad51ce01426b0a0466834619e72c2653ff7c25320cc3c0a3f9a
RemcosRAT
4f718a40662228b1b5efca4664eb07f6d1918b62bc8b29598410d1dc5bb76c70
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98d8bbdf43367821e74fd0c26f5bdda07fe9a750476cce1bb0df88c5aa18b745
RemcosRAT
9d3eddc1a411d1749efa3f08827529ab80356d515cb5321ed5ea7cca0dedca74
RemcosRAT
b72df5535e69fb7ea6dd6638059825c267e176baa3213a2f513d76d2455f1776
RemcosRAT
bf0e82358921791e16998b942e600a500a967f6e5c5b034a675af7e49663a34f
RemcosRAT
e85de613abef99e65212dcd6f8077b03763fa37fa81e7921907c9e9c3859b632
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f05b74930aa9777625a66d2852fb0b690461ef0b5598d35b2d7959721456600d
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f2a8ae610f1847b1344ffaa1c252543a9e4f5208b0644be9d8f5d7d6770c9ae2
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fa5850a0ba8809631d4e3f5a3f8cafa133b3d6ae37088eeb934ec13d1bc9f368
RemcosRAT
+ 1'792 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat spyware
Link:
https://tria.ge/reports/210119-p15p5as4ve/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
eileenwmsscm.duckdns.org:2558
Unpacked files
SH256 hash:
1ea443c738f34e2d2de8f31a6f7115e38c9e77c76ca66e9e63203a5a73916996
MD5 hash:
126e61457852e0b57f7ee1d2d19def4c
SHA1 hash:
97c1c44652498fd2abc486290603a93f336dd1a3
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/47dcaf29-52cc-44c3-a538-7e40fdcf052b/
SH256 hash:
138fa2cd5e89767fd71e4e32719550f54910e3ecc3f81fea5341321cc1b5d429
MD5 hash:
4375421ae3eeb86eefcc570b9ad4c782
SHA1 hash:
fec7e376072cf881a572707d305bfaa41a09da85
Link:
https://www.unpac.me/results/47dcaf29-52cc-44c3-a538-7e40fdcf052b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/138fa2cd5e89767fd71e4e32719550f54910e3ecc3f81fea5341321cc1b5d429

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
Rule name:win_remcos_g0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/112851/

Comments