MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343. 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 YARA 4 File information Comments

SHA256 hash: e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343
SHA3-384 hash: 58ea66394e274a636ea49fb1daaab78e2c2ff8348c5638968ebfaf362612e9ac2a8005dda196b8c86618c4431fb0c738
SHA1 hash: 283763090c6af71ef60d76b4515c9edebd416bcf
MD5 hash: a4df734fada4dec0bebcbbbed4e083ab
humanhash: freddie-nitrogen-friend-lamp
File name:PO 738900.exe
Download: download sample
Signature RemcosRAT
File size:1'123'328 bytes
First seen:2024-05-16 08:49:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:bOp3fxqwcD01FUKer5zdzDarNhrBAJhDdiGXck5WZ7XZeLBmWlo:bOZOqbeDsBixy7XZsblo
TLSH T19435F104A2FAEE49CB7D17F954219C2003B2A26B607EE39B0FC6B4EB1D65FC08855757
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter TeamDreier
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
PO 738900.gz
Verdict:
Malicious activity
Analysis date:
2024-05-16 05:16:58 UTC
Tags:
remcos rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed remcos
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.
Result
Threat name:
Remcos, PureLog Stealer
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442504 Sample: PO 738900.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 38 geoplugin.net 2->38 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 15 other signatures 2->50 8 tkoOXvlkbwis.exe 5 2->8         started        11 PO 738900.exe 7 2->11         started        signatures3 process4 file5 52 Antivirus detection for dropped file 8->52 54 Multi AV Scanner detection for dropped file 8->54 56 Contains functionalty to change the wallpaper 8->56 62 5 other signatures 8->62 14 tkoOXvlkbwis.exe 8->14         started        17 schtasks.exe 1 8->17         started        34 C:\Users\user\AppData\...\tkoOXvlkbwis.exe, PE32 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp23CD.tmp, XML 11->36 dropped 58 Adds a directory exclusion to Windows Defender 11->58 60 Injects a PE file into a foreign processes 11->60 19 PO 738900.exe 2 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        40 103.150.8.12, 49713, 5689 XTOM-AS-JPxTomJP unknown 19->40 42 geoplugin.net 178.237.33.50, 49715, 80 ATOM86-ASATOM86NL Netherlands 19->42 64 Detected Remcos RAT 19->64 66 Loading BitLocker PowerShell Module 22->66 28 WmiPrvSE.exe 22->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        signatures9 process10
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-05-15 22:53:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:76364 execution rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
103.150.8.12:5689
Unpacked files
SH256 hash:
a7e2bfc2551cd1a4aac897a441882da9808f1760e91360eb1d35942663a2559b
MD5 hash:
0fa51475d252806a3771a5d0a1cb8966
SHA1 hash:
e958d03171ef284e6594c2041eebed7755209c5f
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
SH256 hash:
975a454835e031a37b391a66f6fb5fd697ae369e501c6f2bce06af22a86dd2a2
MD5 hash:
fb7d3a274f7889af43e90cc2f6662d08
SHA1 hash:
68afefe7db5930e27e6f4fa9685f299bcab74277
SH256 hash:
e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343
MD5 hash:
a4df734fada4dec0bebcbbbed4e083ab
SHA1 hash:
283763090c6af71ef60d76b4515c9edebd416bcf
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
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 e0d74fa44286f3a4c4c4c2fc151a339f487c2af644fb9691016dcf057b3bd343

(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