MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2737e731faeae24e818211664200d904214be685dbb4ea15f4c15eaa1d2cee2e. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2737e731faeae24e818211664200d904214be685dbb4ea15f4c15eaa1d2cee2e
SHA3-384 hash: 5788e63a30b6e49b5f76f13733fbf0330e4fb3e74f9b5f8e4b69cd225ead1133edd50a0250a1fd369ba4640ca1ef9597
SHA1 hash: e57fbb09a1f577381a37286908b597ac17f23c10
MD5 hash: 877a8aeb398e6465e124e2fa81d98f42
humanhash: lion-venus-network-december
File name:UPSC Marine Service-List of items needed..exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'017'856 bytes
First seen:2022-08-15 15:58:28 UTC
Last seen:2022-08-15 16:49:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:eq8U5r3G4OJnrzRq3g2yxUXp3engckrM:eEzqpOg2SUX+
TLSH T17425E1AF3D8C9502CD2507B4EC9C02C4A6F2ADA13642E6EE5D93709BC4F63DC9798D52
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ccccaab2a2a0ae8a (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT UPS

Intelligence

File Origin
# of uploads :
2
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
UPSC Marine Service-List of items needed..exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 16:00:08 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/210d6a29-680f-4133-a260-536be877dbff

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/298743/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1449.29901.19336.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fa6d4cc8022caa1ac1bc56/reports/a40db1aa-5f42-430d-a78e-080d43e61d14/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/f08d94c2-8fb0-405f-b3f0-ad0e3a0e0992
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051820
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684326 Sample: UPSC Marine Service-List of... Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 94 Malicious sample detected (through community Yara rule) 2->94 96 Antivirus detection for dropped file 2->96 98 Antivirus / Scanner detection for submitted sample 2->98 100 10 other signatures 2->100 11 UPSC Marine Service-List of items needed..exe 7 2->11         started        15 remcos.exe 2->15         started        17 remcos.exe 2->17         started        19 remcos.exe 2->19         started        process3 file4 84 C:\Users\user\AppData\...\rBuTncyiVLLm.exe, PE32 11->84 dropped 86 C:\Users\...\rBuTncyiVLLm.exe:Zone.Identifier, ASCII 11->86 dropped 88 C:\Users\user\AppData\Local\...\tmp9F07.tmp, XML 11->88 dropped 90 UPSC Marine Servic...ems needed..exe.log, ASCII 11->90 dropped 102 Adds a directory exclusion to Windows Defender 11->102 104 Injects a PE file into a foreign processes 11->104 21 UPSC Marine Service-List of items needed..exe 5 5 11->21         started        24 powershell.exe 23 11->24         started        26 schtasks.exe 1 11->26         started        28 powershell.exe 15->28         started        30 schtasks.exe 15->30         started        32 remcos.exe 15->32         started        34 powershell.exe 17->34         started        36 2 other processes 17->36 38 3 other processes 19->38 signatures5 process6 file7 78 C:\ProgramData\Remcos\remcos.exe, PE32 21->78 dropped 80 C:\Users\user\AppData\Local\...\install.vbs, data 21->80 dropped 82 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 21->82 dropped 40 wscript.exe 1 21->40         started        42 conhost.exe 24->42         started        44 conhost.exe 26->44         started        46 conhost.exe 28->46         started        48 conhost.exe 30->48         started        50 conhost.exe 34->50         started        52 conhost.exe 36->52         started        54 conhost.exe 38->54         started        56 conhost.exe 38->56         started        process8 process9 58 cmd.exe 1 40->58         started        process10 60 remcos.exe 5 58->60         started        63 conhost.exe 58->63         started        signatures11 106 Antivirus detection for dropped file 60->106 108 Multi AV Scanner detection for dropped file 60->108 110 Machine Learning detection for dropped file 60->110 112 2 other signatures 60->112 65 powershell.exe 60->65         started        67 schtasks.exe 60->67         started        69 remcos.exe 60->69         started        72 remcos.exe 60->72         started        process12 dnsIp13 74 conhost.exe 65->74         started        76 conhost.exe 67->76         started        92 185.29.11.26, 2404, 49771, 49772 DATACLUB-NL European Union 69->92 process14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2737e731faeae24e818211664200d904214be685dbb4ea15f4c15eaa1d2cee2e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-15 15:59:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e436omp25lre5amccfteeagzaqquxzuf3o2oufpuyfpkuhjm5yxa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220815-te3beacgdp/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
185.29.11.26:2404
Unpacked files
SH256 hash:
930faf80e77cf58e8773327b2d6198f14f2fc2bb7162429037e80fe70279d6f4
MD5 hash:
442437a3c3a383ced55426d6a6d55310
SHA1 hash:
7a84feb49423c3d65fefe78736b67949bef30b76
Link:
https://www.unpac.me/results/41632578-17e9-4efe-8b01-3fa121ae0a51/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/41632578-17e9-4efe-8b01-3fa121ae0a51/
SH256 hash:
1b72d49a5e3db7a7a157408ac93240c7e0316ed7f6ddd10befc1af7e4bf7f68c
MD5 hash:
9c1436a35d82492bd09b6d65e4eaf94a
SHA1 hash:
2177711310aef753f821b881a4ee7f64f3bc9ef8
Link:
https://www.unpac.me/results/41632578-17e9-4efe-8b01-3fa121ae0a51/
SH256 hash:
87887e0966afee9697dfd1eb3bbcacc02663ca35998019fa345f589440c00d9f
MD5 hash:
ddac96f555d9bcdbb849ba3430dcb1c8
SHA1 hash:
1db1ef517f62729fdbc8b8f326543d7cf6c6b19e
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/41632578-17e9-4efe-8b01-3fa121ae0a51/
SH256 hash:
9ac51e292847f8cacc23ece0cd49534106b795b4b3223ffe1673d0ccda67bd54
MD5 hash:
c0c3740c1e5bbe9dbed9628c0f0a7875
SHA1 hash:
14b20b7a3d3bbf4f96cc6171d144574febf15841
Link:
https://www.unpac.me/results/41632578-17e9-4efe-8b01-3fa121ae0a51/
SH256 hash:
2737e731faeae24e818211664200d904214be685dbb4ea15f4c15eaa1d2cee2e
MD5 hash:
877a8aeb398e6465e124e2fa81d98f42
SHA1 hash:
e57fbb09a1f577381a37286908b597ac17f23c10
Link:
https://www.unpac.me/results/41632578-17e9-4efe-8b01-3fa121ae0a51/
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/2737e731faeae24e818211664200d904214be685dbb4ea15f4c15eaa1d2cee2e

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.

Malspam

RemcosRAT

Executable exe 2737e731faeae24e818211664200d904214be685dbb4ea15f4c15eaa1d2cee2e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298743/

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