MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8b9c2bfe75178cec0d3b26b863bd451bf0233171332cb08e79bb6113a5b42d2. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8b9c2bfe75178cec0d3b26b863bd451bf0233171332cb08e79bb6113a5b42d2
SHA3-384 hash: c78727092d834c51826f707a6c581c6dc4fbd0959ae9673a8b158682b3077c1703c9a6541799360fc7623d4d99eb2eaa
SHA1 hash: 608e1885ac8504394543b9d6224a4a88a4eb6b02
MD5 hash: 1c35a30c13de88ca3f69ef12c0d89262
humanhash: london-west-lithium-colorado
File name:RH00986545678.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:307'200 bytes
First seen:2023-08-22 05:10:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:8Idki46oScBWfI7GRxL/kIp1kO+jQ54mqjomjTBuEVD:8Idb465cBojEOTim6omvBu
Threatray 344 similar samples on MalwareBazaar
TLSH T124646A1663E18A55CC7537F8907E214003AABF5A1631D356DCB83EB976B6783DE402CE
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
208.67.107.123:8787

Intelligence

File Origin
# of uploads :
1
# of downloads :
318
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
RH00986545678.exe
Verdict:
Malicious activity
Analysis date:
2023-08-22 05:11:10 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/49b27187-7836-4542-89ce-24209a2bb7e2

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/444034/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the %AppData% subdirectories
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
Link:
https://www.filescan.io/uploads/64e44367e184d61173000ec3/reports/6f5da035-d442-42e3-9983-68e0b48f3676/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/b8b9c2bfe75178cec0d3b26b863bd451bf0233171332cb08e79bb6113a5b42d2
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5124586b-59fe-44d7-bf43-a564df58efa3
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1294853
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Creates executable files without a name
Detected Remcos RAT
Drops PE files to the startup folder
Found malware configuration
Found stalling execution ending in API Sleep call
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1294853 Sample: RH00986545678.exe Startdate: 22/08/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 14 other signatures 2->43 7 RH00986545678.exe 3 2->7         started        10 .exe 2 2->10         started        process3 signatures4 45 Found stalling execution ending in API Sleep call 7->45 47 Contains functionality to detect virtual machines (IN, VMware) 7->47 49 Contains functionality to steal Chrome passwords or cookies 7->49 51 6 other signatures 7->51 12 powershell.exe 13 7->12         started        16 RH00986545678.exe 1 2 7->16         started        19 powershell.exe 11 10->19         started        21 WerFault.exe 10 10->21         started        23 .exe 10->23         started        process5 dnsIp6 31 C:\Users\user\AppData\Roaming\...\.exe, PE32 12->31 dropped 53 Creates executable files without a name 12->53 55 Drops PE files to the startup folder 12->55 57 Powershell drops PE file 12->57 25 conhost.exe 12->25         started        35 208.67.107.123, 49721, 8787 GRAYSON-COLLIN-COMMUNICATIONSUS United States 16->35 33 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 16->33 dropped 59 Installs a global keyboard hook 16->59 27 WerFault.exe 21 9 16->27         started        29 conhost.exe 19->29         started        file7 signatures8 process9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b8b9c2bfe75178cec0d3b26b863bd451bf0233171332cb08e79bb6113a5b42d2/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-08-22 05:11:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xc44fp7hkf4m5qgtwjvymo6ukg7qemyxcmzmwchhto3bcos3ilja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0a9babd846b1edf99e75f3c9de492c6341f9ca9a8e91851ad323bf8f325f9799
RemcosRAT
3399fc936d74594ca467f3e0224eba655e854ea064f0c11f311ce6c72f3dc009
RemcosRAT
8227055b0090562a073fd35b7ddd31091d00a279ffadf9835b175ac659a89b53
RemcosRAT
885e34ff7befbdcdb027a017843cbacdba7eebb34d3df2e3113cceb9adafe8b5
RemcosRAT
a3d4d0bb2ecaa41c14f3a779d8f128334eb569d8eead54b75f8b45e0457d8ce3
RemcosRAT
c263652c86c7e91d334de8113469d867104c62379af983b0c62d5a46940cfe36
RemcosRAT
f60f5975350a5c5ce7067446e5b1ebf033c4dd6e84e8246bbfd9779762ddde8a
RemcosRAT
+ 334 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host rat
Link:
https://tria.ge/reports/230822-ft9r5sbg2x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
208.67.107.123:8787
Unpacked files
SH256 hash:
b39991e0cf1630a6fb51e58475485017cb871bca1a115835abf895df24f18dde
MD5 hash:
fa4f67bc731fc3c41fb6d2609a7ddd76
SHA1 hash:
a7b387ac011f0ac1a6ce602c9bc30d89d487f09d
Link:
https://www.unpac.me/results/8e57527b-aaa4-4ccf-b8fd-b9aa1d4b26c7/
SH256 hash:
496a3f5d4f63bec1a8f15cff90543ff5c1f01f93ade5b8d0b36955ec464f8388
MD5 hash:
b7b5e8718f5b228cd90f377f44371e43
SHA1 hash:
a4a16a5146ceb8f736365c3742fc396bdfde437f
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/8e57527b-aaa4-4ccf-b8fd-b9aa1d4b26c7/
SH256 hash:
0196fdb7131993dae2b0338033b50f6ddc1e843fe2ffdde51471e51c59decca3
MD5 hash:
6bf524bb3610a01aeff544fe3c23a95e
SHA1 hash:
a137443c06139b8e0d88c8f40a42e29df219065d
Link:
https://www.unpac.me/results/8e57527b-aaa4-4ccf-b8fd-b9aa1d4b26c7/
SH256 hash:
b8b9c2bfe75178cec0d3b26b863bd451bf0233171332cb08e79bb6113a5b42d2
MD5 hash:
1c35a30c13de88ca3f69ef12c0d89262
SHA1 hash:
608e1885ac8504394543b9d6224a4a88a4eb6b02
Link:
https://www.unpac.me/results/8e57527b-aaa4-4ccf-b8fd-b9aa1d4b26c7/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8b9c2bfe751/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b8b9c2bfe75178cec0d3b26b863bd451bf0233171332cb08e79bb6113a5b42d2

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:CMD_Ping_Localhost
Create hunting rule
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

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/444034/

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