MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549
SHA3-384 hash: c9f02e5db0e7868062353f619276509613a95ff1dda336f9185facddb0384d20ec0f7e6d395b734e23c01c84cd7c87c9
SHA1 hash: d2817ad9ae07ebac664f4ecc73094847266592fe
MD5 hash: 1291a06a395fb852059a6ceb0e3eeb26
humanhash: saturn-quiet-utah-leopard
File name:PRODUCT LIST-CALAMARI9804870.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:989'696 bytes
First seen:2024-02-09 14:05:05 UTC
Last seen:2024-02-12 08:47:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:b1Dxc69WYtZlNj16hhTaQabNSXgOf5clRreL9f73Sz:b9xxrjshhTa1NOslRreL9+
Threatray 3'472 similar samples on MalwareBazaar
TLSH T18D25232273B5B36BC6AD0BB546B85981B33564093BDAE72E6C88A0CC0D73B45DF11727
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
354
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549.exe
Verdict:
Malicious activity
Analysis date:
2024-02-09 14:10:06 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/73442fae-1451-40d7-aa0d-159cc90637bb

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/475579/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Win.Packed.Filerepmalware-10019564-0
Create hunting rule

Win.Packed.Msilheracles-10020638-0
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/65c6314b6ff9f98b6198ffca/reports/380c57a8-cc4a-46ae-b1ac-9db904869cb3/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549
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/1dd5b76c-3ee6-469e-b07b-165522b514be
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1389762
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
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: Powershell Base64 Encoded MpPreference Cmdlet
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 AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1389762 Sample: PRODUCT LIST-CALAMARI9804870.exe Startdate: 09/02/2024 Architecture: WINDOWS Score: 100 41 paygateme.net 2->41 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 13 other signatures 2->51 8 fSdBYwnsRgIV.exe 5 2->8         started        11 PRODUCT LIST-CALAMARI9804870.exe 7 2->11         started        signatures3 process4 file5 55 Multi AV Scanner detection for dropped file 8->55 57 Contains functionality to bypass UAC (CMSTPLUA) 8->57 59 Contains functionalty to change the wallpaper 8->59 63 5 other signatures 8->63 14 schtasks.exe 1 8->14         started        16 fSdBYwnsRgIV.exe 8->16         started        37 C:\Users\user\AppData\...\fSdBYwnsRgIV.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpC3EA.tmp, XML 11->39 dropped 61 Adds a directory exclusion to Windows Defender 11->61 18 PRODUCT LIST-CALAMARI9804870.exe 3 2 11->18         started        23 powershell.exe 23 11->23         started        25 schtasks.exe 1 11->25         started        signatures6 process7 dnsIp8 27 conhost.exe 14->27         started        43 paygateme.net 146.70.57.34, 2286 TENET-1ZA United Kingdom 18->43 35 C:\ProgramData\remcos\logs.dat, data 18->35 dropped 53 Installs a global keyboard hook 18->53 29 WmiPrvSE.exe 23->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-02-08 17:10:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=grbqdjxxhnz27wmmoy2rtvjfjcyo4otwqjgqgnys3xz6yaiv6veq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
063e8dc308fea1f6ab248e3704894c8311b85959301e6389ae5ee55726e3ba2a
RemcosRAT
11db56471fe5f1c245d9fa8f6cfb9a86bd2aeb444c38cfd1c8ef159ec539c065
RemcosRAT
737cedd9e82602536f0b02d2608b856c49b158928de47bb891d401bae810bdc4
RemcosRAT
b734f36ddbeab5b32fe4400e4bc1fce47c9afb5ac4ae0da12237a617c65074c5
RemcosRAT
f28b0dc8310dfb51d94091e8d001c1f59dbabb57fc19bbad1cef370eceaa38dd
RemcosRAT
+ 3'462 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/240209-redxpsde39/
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
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
paygateme.net:2286
Unpacked files
SH256 hash:
4a2cf6ab29f939e528e7fb11617ccf6ad393ba0ee5c05a204dd7a61f269b0f15
MD5 hash:
fad2a4b1e771bf543c9a83d1319707c4
SHA1 hash:
f9a09428e4bb6cb0cfd0ca8a12c8c2fd5970437d
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/3641b77f-37a0-4471-bbd9-082430d5c63a/
Parent samples :
7d5fb292b4477237a05a35eb135a13c9f6d1177987217e94c3558b91fa97c285
c427e24d1c15e6b3e50e91fba701c2dafdafbabd1bcb0c629f8dcb9b33af8bd6
839be5e2a653b3fbd43370403d066b16e4dd22d867997b5156de621f44bf072b
344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549
SH256 hash:
19d8e8159ab523925cb710b3f052b5d3d76d9f008d93d9445077f4d769048085
MD5 hash:
ff900ef4040ed1b4962bc481158a781d
SHA1 hash:
326b2015fe63cb09c615df460526270f412d18da
Link:
https://www.unpac.me/results/3641b77f-37a0-4471-bbd9-082430d5c63a/
SH256 hash:
38e0c6d980305c75802c29c0296f16fe0e9d8ef0c387580096acbfb914a805a3
MD5 hash:
6d6dc9776d8f8feaf6f35048c87e3c85
SHA1 hash:
2a93098d71c171354d458ecabd97c5b2aca00cf4
Link:
https://www.unpac.me/results/3641b77f-37a0-4471-bbd9-082430d5c63a/
SH256 hash:
f53bef4888dc4cdbd300fe9164be1619415c151c916537efb20f1b42bb5980b9
MD5 hash:
0cde708a2f1b8399849ddb74560a4e7c
SHA1 hash:
0e1ac56188859701235d150aec8e96b2ffabc5ef
Link:
https://www.unpac.me/results/3641b77f-37a0-4471-bbd9-082430d5c63a/
SH256 hash:
344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549
MD5 hash:
1291a06a395fb852059a6ceb0e3eeb26
SHA1 hash:
d2817ad9ae07ebac664f4ecc73094847266592fe
Link:
https://www.unpac.me/results/3641b77f-37a0-4471-bbd9-082430d5c63a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/344301a6f73b/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/344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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

r01 3c39ad7a4b905753bf61192905544679c8ca2d645358c87d51ae290cbcd8f46c

RemcosRAT

Executable exe 344301a6f73b73afd98c763519d52548b0ee3a76824d033712ddf3ec0115f549

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3c39ad7a4b905753bf61192905544679c8ca2d645358c87d51ae290cbcd8f46c
Cape
Cape
https://www.capesandbox.com/analysis/475579/
  
Dropped by
MD5 2ac809d63f4c998d856ac2ee168571c9

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