MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09. 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: 17


Intelligence 17 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09
SHA3-384 hash: 0eba87e006c09c23d15c571fa0aba16a53a0151b1fd6c0be7690e07149e002af0d22afc5aaea7105535e9c4c771ded73
SHA1 hash: eddbde04b9751295e209addc60de427c07b4cf1e
MD5 hash: 9fe3811c49214479c36a4f4a35e9ca08
humanhash: mobile-september-connecticut-sweet
File name:Supplier Purchase Order - PO0002491.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'025'024 bytes
First seen:2024-10-24 10:56:05 UTC
Last seen:2024-10-24 11:44:15 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:YLzHqFPLa+P2a13EfOUS2lQfMP+W8sQelk4vOG2ETh:6Lq9r+WPUSSWMGxwlib+
Threatray 4'536 similar samples on MalwareBazaar
TLSH T14025F10017B9DA02E2B75BF808B1E7F447B56E99A831C30A8EE9BDEB3D327445550793
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
192.210.150.14:2404 https://threatfox.abuse.ch/ioc/1339173/

Intelligence

File Origin
# of uploads :
2
# of downloads :
410
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SupplierPurchaseOrder-PO0002491.exe
Verdict:
Malicious activity
Analysis date:
2024-10-22 16:04:30 UTC
Tags:
rat remcos netreactor
Link:
https://app.any.run/tasks/c3759bec-990f-4d21-a36b-998a9d76c7ca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.37.7908.10839.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6717cd0d5a02f8393c73075a
Tags:
Powershell Remcos
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 with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/671a27ffc8b28f3df243248c/reports/08cb5efa-ca75-4798-b28f-c06034bb2db6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09
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/94164520-662e-4977-8826-3d4eacabd2de
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1541115
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1541115 Sample: Supplier Purchase Order - P... Startdate: 24/10/2024 Architecture: WINDOWS Score: 100 42 geoplugin.net 2->42 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 16 other signatures 2->54 8 keHuNxIumw.exe 5 2->8         started        11 Supplier Purchase Order - PO0002491.exe 7 2->11         started        signatures3 process4 file5 56 Multi AV Scanner detection for dropped file 8->56 58 Contains functionality to bypass UAC (CMSTPLUA) 8->58 60 Contains functionalty to change the wallpaper 8->60 66 5 other signatures 8->66 14 keHuNxIumw.exe 8->14         started        17 schtasks.exe 1 8->17         started        34 C:\Users\user\AppData\...\keHuNxIumw.exe, PE32 11->34 dropped 36 C:\Users\...\keHuNxIumw.exe:Zone.Identifier, ASCII 11->36 dropped 38 C:\Users\user\AppData\Local\...\tmp9421.tmp, XML 11->38 dropped 40 Supplier Purchase ...- PO0002491.exe.log, ASCII 11->40 dropped 62 Adds a directory exclusion to Windows Defender 11->62 64 Injects a PE file into a foreign processes 11->64 19 Supplier Purchase Order - PO0002491.exe 3 13 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 26 conhost.exe 17->26         started        44 192.210.150.14, 2404, 49708 AS-COLOCROSSINGUS United States 19->44 46 geoplugin.net 178.237.33.50, 49710, 80 ATOM86-ASATOM86NL Netherlands 19->46 68 Detected Remcos RAT 19->68 70 Loading BitLocker PowerShell Module 22->70 28 WmiPrvSE.exe 22->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-10-22 16:04:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hik3fx2dwntfxbusqcljvwxmn7ay32jpfwud4hicfdltph6vlyeq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
2228ca29a78a9e1f0c43f739e7c3e219ad8523d9bc29ba1cdbfa176afb0a4034
RemcosRAT
36ed24fd100db4ab36461303fcadf2101c391f95e635fb33f0fa396204e642ab
RemcosRAT
3d4bfc47bd88ef39e0780482a1b0fde1cd85772ddce25d9905d88d48b5b96a4a
RemcosRAT
5fe247828f3087cbede022c3db3c57ac8c0bb0138ea8e3424021afc4e314d076
RemcosRAT
8c8cad5c12f471f42d5992e71bd32478aedb40af922b03ef4920047012c04d1f
RemcosRAT
error
RemcosRAT
+ 4'526 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/241024-m1qq6sydnq/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
192.210.150.14:2404
Verdict:
Malicious
Tags:
remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/e2d9a104-1372-4271-947e-9fe4b717d814
Unpacked files
SH256 hash:
4cd6c11429610324296e0e2051ab13a099af39b609f77e4b3a361a9495ca7b34
MD5 hash:
349e761a1327259cdce128e845505b0b
SHA1 hash:
99bd9945a209ada20920592b848bf571100d7e12
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/dfcdaf9b-ce0a-4d0b-a5a0-75799d4012fc/
Parent samples :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 hash:
7ea5b092f002a562521c09e1634bd2b38a60ccaa7df78d0a7a2f6d799fee8b30
MD5 hash:
a536beaa5bea49a88a07a05f4677b32a
SHA1 hash:
47df07f0bb7f37125dad260543beadbedd650d17
Detections:
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/dfcdaf9b-ce0a-4d0b-a5a0-75799d4012fc/
SH256 hash:
0d155683d9d1e1497314dedd5b866b62037e18715ae0c07ecb660e7410df62c6
MD5 hash:
4e89c2cd15af507044bec1f2ede9d6b1
SHA1 hash:
0b6370aa18027cae29d9ae3f35b827a218642a75
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/dfcdaf9b-ce0a-4d0b-a5a0-75799d4012fc/
SH256 hash:
3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09
MD5 hash:
9fe3811c49214479c36a4f4a35e9ca08
SHA1 hash:
eddbde04b9751295e209addc60de427c07b4cf1e
Link:
https://www.unpac.me/results/dfcdaf9b-ce0a-4d0b-a5a0-75799d4012fc/
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 3a15b2df43b3665b869280969adaec6fc18de92f2da83e1d0228d7379fd55e09

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments