MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca3eaa04774a75d793a2e06e566457f10e464d92dd1f193413ad285981773a96. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca3eaa04774a75d793a2e06e566457f10e464d92dd1f193413ad285981773a96
SHA3-384 hash: d171731d38a3b8534aea13a9fe4ff75f6c223fe4aa70516b129f549aa74f7732cab5dcfeb96901711da482611578225a
SHA1 hash: b4e89ed30a6023048874cac02fd6ff3aeab3b571
MD5 hash: e270e0c8579e54b6383cd019011543e4
humanhash: sierra-comet-leopard-muppet
File name:TNT Original Invoice.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:951'808 bytes
First seen:2023-08-14 09:25:51 UTC
Last seen:2023-08-14 09:26:22 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:Ee4lXfdL+GM7S0mPGw6EqnOUYC3uS7Je9YN5P56zM:Ee4lvdLFC6PnVqnOZJKL
Threatray 2'527 similar samples on MalwareBazaar
TLSH T14B15F0C1E576D6E7C26182B5309266041F78BFC63465E2A44CBA71C9B6F0B013BD7A3E
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 10989e92929e9810 (2 x RemcosRAT, 1 x Formbook, 1 x AveMariaRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT TNT

Intelligence

File Origin
# of uploads :
2
# of downloads :
282
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
TNT Original Invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-08-14 09:34:38 UTC
Tags:
rat remcos remote keylogger
Link:
https://app.any.run/tasks/df419e83-b57d-47a3-a1a8-da08d9aa1e6f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/442629/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade packed remcos
Link:
https://www.filescan.io/uploads/64d9f32b5182f25f1647801a/reports/cb0648f8-2df8-44e2-8a6b-6cdc10c1ef63/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/ca3eaa04774a75d793a2e06e566457f10e464d92dd1f193413ad285981773a96
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/d3b9daee-1ed6-4639-b4f2-bfb1ad6d7d33
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1290883
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1290883 Sample: TNT_Original_Invoice.exe Startdate: 14/08/2023 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 8 other signatures 2->54 7 DYxpDwysPlcoQV.exe 5 2->7         started        10 TNT_Original_Invoice.exe 7 2->10         started        process3 file4 58 Multi AV Scanner detection for dropped file 7->58 60 Contains functionality to bypass UAC (CMSTPLUA) 7->60 62 Machine Learning detection for dropped file 7->62 70 4 other signatures 7->70 13 schtasks.exe 1 7->13         started        15 DYxpDwysPlcoQV.exe 7->15         started        17 DYxpDwysPlcoQV.exe 7->17         started        40 C:\Users\user\AppData\...\DYxpDwysPlcoQV.exe, PE32 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmpA624.tmp, XML 10->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Adds a directory exclusion to Windows Defender 10->66 68 Injects a PE file into a foreign processes 10->68 19 TNT_Original_Invoice.exe 3 15 10->19         started        24 powershell.exe 21 10->24         started        26 powershell.exe 19 10->26         started        28 schtasks.exe 1 10->28         started        signatures5 process6 dnsIp7 30 conhost.exe 13->30         started        44 167.114.189.33, 2404, 49712 OVHFR Canada 19->44 46 geoplugin.net 178.237.33.50, 49715, 80 ATOM86-ASATOM86NL Netherlands 19->46 38 C:\ProgramData\remcos\logs.dat, data 19->38 dropped 56 Installs a global keyboard hook 19->56 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca3eaa04774a75d793a2e06e566457f10e464d92dd1f193413ad285981773a96/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-14 07:20:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zi7kubdxjj25pe5c4bxfmzcx6ehemtms3uprsnatvuuftalxhkla._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
26cae4cdeef032aea2bd4ea1c5b88fbfb876bb3dd35a54076356195969fe3611
RemcosRAT
41e5e1da54fb730fb90a677edcc8a725d62cbddfdfb7e8d25aa4267de18f7118
RemcosRAT
4a23b3a3cc728ab547f5f3f5149f70242187b45aefa26c5f5663f8cbabeb2330
RemcosRAT
8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78
RemcosRAT
8aae048958f1eb9e76e5b01174d4055763e4af720d0b48c4e2741ee7da3bc222
RemcosRAT
916c26e1e43c03fb2faff6fe47a65492f0966ea0b5ae7ba4fd864af05f1e6ee8
RemcosRAT
9b41e719470475dfacf64f42d8d8001d90cf442213fdf0e19ad5cd86d9742810
RemcosRAT
b88f695c511fb7260c06b7e22c51dcea69ac6020cdfadaab785431d90047167e
RemcosRAT
+ 2'517 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230814-ld6y7sba99/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
167.114.189.33:2404
Unpacked files
SH256 hash:
7b1e678c7c4eee7e46e6cfbd53bb95989e81b129d289bca515545a19a6e02a58
MD5 hash:
69d3955a4822a33a3019d1c11458205b
SHA1 hash:
de29084906a9d27fb055e35d4b9615fc4d357093
Link:
https://www.unpac.me/results/409c0732-de99-4a2e-8d32-7a7185e22022/
Parent samples :
3f0862dc7485fc5c5d3eab573dd2dfedad47241d7dbaf7c8cfd218ff105a0ace
14f4fe0a5de3161df5631f5f50d4caf56f29e6a6a26c536ac6956944d8883b0e
9289314aab6aaed64dae4f685d00bf936b7e43f03105a88e5ec457b82261e41e
486d2fae164dfd24b2d443ffd775d83f33136a746bded12f3e05cade26bacd24
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/409c0732-de99-4a2e-8d32-7a7185e22022/
SH256 hash:
d9ca2a3af8ea4f963fd064584dc3db2c704fb5820e46ec3c9eaa93ae3ff959d7
MD5 hash:
e83a51ae1d0cd4d65528918875f2e4b6
SHA1 hash:
bba49acb2ffc350fc84ba5d8146eff57ed8d4096
Link:
https://www.unpac.me/results/409c0732-de99-4a2e-8d32-7a7185e22022/
SH256 hash:
0c65cc63943ef047c4604d51017264cb699337750d110c3b9558c3b6d9b218d0
MD5 hash:
d3dbba0102a129dfd4009d5886d9f11b
SHA1 hash:
8e9a6b10047ba4e99e82a9b09bd79335830e74a6
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/409c0732-de99-4a2e-8d32-7a7185e22022/
Parent samples :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 hash:
ca3eaa04774a75d793a2e06e566457f10e464d92dd1f193413ad285981773a96
MD5 hash:
e270e0c8579e54b6383cd019011543e4
SHA1 hash:
b4e89ed30a6023048874cac02fd6ff3aeab3b571
Link:
https://www.unpac.me/results/409c0732-de99-4a2e-8d32-7a7185e22022/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca3eaa04774a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Create hunting rule
Author:malware-lu
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 ca3eaa04774a75d793a2e06e566457f10e464d92dd1f193413ad285981773a96

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/442629/

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