MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05e1c9b65c5c34d39abe5682f747ef5debcc931d768f0023644a39233a553405. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 05e1c9b65c5c34d39abe5682f747ef5debcc931d768f0023644a39233a553405
SHA3-384 hash: b4f602439fd901cdddc267f5e912259c4e0c60ddcbef34356db8206a7fb7b50ee9814d58698ba48f1fb54ef1ffc87f09
SHA1 hash: 9a7c7504e6f100ebe5f77f3c43bd7e4037b8472f
MD5 hash: 082d1c13f9041ee59da9e6a1d1fa994e
humanhash: london-west-kitten-jig
File name:082d1c13f9041ee59da9e6a1d1fa994e.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:599'552 bytes
First seen:2022-11-25 17:55:24 UTC
Last seen:2022-11-25 19:47:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:wcedRrPZzNSCkUkO967ieNjSCumZJbxpDF:jedtZzNH6O9UnUCu
TLSH T10DD41ADF59553E08C34CBA70681735887F919C504548E0E8A7E937CA5A37FADCEA123E
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)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Teklif cikti Formu.doc
Verdict:
Malicious activity
Analysis date:
2022-11-25 07:13:40 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/c2be2681-e428-4edc-80f3-bfbe59cb2907

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/338544/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24645.12390.9553.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching cmd.exe command interpreter
Launching a process
Running batch commands
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638101b75be128ac718edae9/reports/6b7e5b0a-5bd6-4780-8da7-360cd795c307/overview
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/88a706a1-2205-41bb-85bc-3b6d0706e6f8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1121297
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 754015 Sample: mNLOfr7WO5.exe Startdate: 25/11/2022 Architecture: WINDOWS Score: 100 70 gcrozona.duckdns.org 2->70 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 11 other signatures 2->88 12 mNLOfr7WO5.exe 3 2->12         started        15 Microsoft Intel Audios.exe 2 2->15         started        18 Microsoft Intel Audios.exe 2 2->18         started        signatures3 process4 file5 68 C:\Users\user\AppData\...\mNLOfr7WO5.exe.log, ASCII 12->68 dropped 20 mNLOfr7WO5.exe 1 5 12->20         started        24 mNLOfr7WO5.exe 12->24         started        100 Drops executables to the windows directory (C:\Windows) and starts them 15->100 26 Microsoft Intel Audios.exe 15->26         started        28 Microsoft Intel Audios.exe 18->28         started        30 Microsoft Intel Audios.exe 18->30         started        32 Microsoft Intel Audios.exe 18->32         started        signatures6 process7 file8 64 C:\Windows\...\Microsoft Intel Audios.exe, PE32 20->64 dropped 66 Microsoft Intel Au...exe:Zone.Identifier, ASCII 20->66 dropped 94 Creates an autostart registry key pointing to binary in C:\Windows 20->94 34 cmd.exe 1 20->34         started        37 cmd.exe 1 20->37         started        signatures9 process10 signatures11 76 Uses ping.exe to sleep 34->76 39 Microsoft Intel Audios.exe 3 34->39         started        41 PING.EXE 1 34->41         started        44 conhost.exe 34->44         started        78 Uses cmd line tools excessively to alter registry or file data 37->78 80 Uses ping.exe to check the status of other devices and networks 37->80 46 reg.exe 1 37->46         started        49 conhost.exe 37->49         started        process12 dnsIp13 51 Microsoft Intel Audios.exe 1 4 39->51         started        74 127.0.0.1 unknown unknown 41->74 98 Disables UAC (registry) 46->98 signatures14 process15 dnsIp16 72 gcrozona.duckdns.org 91.192.100.30, 49696, 49697, 49698 AS-SOFTPLUSCH Switzerland 51->72 90 Detected Remcos RAT 51->90 92 Installs a global keyboard hook 51->92 55 cmd.exe 1 51->55         started        58 iexplore.exe 51->58         started        signatures17 process18 signatures19 96 Uses cmd line tools excessively to alter registry or file data 55->96 60 conhost.exe 55->60         started        62 reg.exe 55->62         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/05e1c9b65c5c34d39abe5682f747ef5debcc931d768f0023644a39233a553405/
Threat name:
ByteCode-MSIL.Trojan.Dothetuk
Create hunting rule
Status:
Malicious
First seen:
2022-11-25 02:24:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=axq4tns4lq2nhgv6k2bpor7plxv4zey5o2hqai3eji4sgosvgqcq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:nov 24th evasion persistence rat trojan
Link:
https://tria.ge/reports/221125-wh1yvsdd27/
Behaviour
Modifies Internet Explorer settings
Modifies registry key
Runs ping.exe
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
gcrozona.duckdns.org:6062
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cdfce2a7-9334-4371-8b9e-1e713a7c0df7
Unpacked files
SH256 hash:
2310d8f49412769bbb634a16cb272a77dcde3104405155e811d21a88712e4d13
MD5 hash:
81decf81e0f22a06673849e16ff57b01
SHA1 hash:
de0023dc4f84a29cf2ea6238de09ba7f8deaf3cb
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/bd31833f-1d3e-40c1-9d8b-0ae55ce25d38/
Parent samples :
05e1c9b65c5c34d39abe5682f747ef5debcc931d768f0023644a39233a553405
4cbf921ca59d8725280de0d34864dc44eb98fadde5ea010683a8f8820eb3b803
SH256 hash:
da26b87f3967276461c82b93a649d890c2e875ad99654a0e95b1883675893bd8
MD5 hash:
8f0cb64330df9e4d1bcdfd55bed0f17a
SHA1 hash:
6f94615075855cb488b26c22fbcce24d3dab147c
Link:
https://www.unpac.me/results/bd31833f-1d3e-40c1-9d8b-0ae55ce25d38/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/bd31833f-1d3e-40c1-9d8b-0ae55ce25d38/
SH256 hash:
abca41efd3ed0cc5267418d1be6f907c94d329c4d8b8e9c1bd2adb621008c35b
MD5 hash:
53bda81834a78ec3af90dc9849008dac
SHA1 hash:
185561343fd88049b324d06b71bf177c710bbbdd
Link:
https://www.unpac.me/results/bd31833f-1d3e-40c1-9d8b-0ae55ce25d38/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/bd31833f-1d3e-40c1-9d8b-0ae55ce25d38/
SH256 hash:
05e1c9b65c5c34d39abe5682f747ef5debcc931d768f0023644a39233a553405
MD5 hash:
082d1c13f9041ee59da9e6a1d1fa994e
SHA1 hash:
9a7c7504e6f100ebe5f77f3c43bd7e4037b8472f
Link:
https://www.unpac.me/results/bd31833f-1d3e-40c1-9d8b-0ae55ce25d38/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/05e1c9b65c5c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/05e1c9b65c5c34d39abe5682f747ef5debcc931d768f0023644a39233a553405

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 05e1c9b65c5c34d39abe5682f747ef5debcc931d768f0023644a39233a553405

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/338544/

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