MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2821d789c0b37d3ed136eebd66c36216386fa9d4935fcd733b1e8ef4fd388d36. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 2821d789c0b37d3ed136eebd66c36216386fa9d4935fcd733b1e8ef4fd388d36
SHA3-384 hash: a7ad27fd0d4f5fcd1db8cab29674ff1258687b160fa162e09dd2678f6bf377a620e0c5bf41574c60fefa2e7e82bf1624
SHA1 hash: 7c05bb4ee5c49eef647837347825c19a1756d73b
MD5 hash: 10531525068f2547147c84cf4b464f75
humanhash: island-ink-hamper-carolina
File name:Mit Technologies Iran - MIT PO_TURK00926600.pdf(73KB).com
Download: download sample
Signature RemcosRAT
File size:5'632 bytes
First seen:2024-02-20 10:27:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 48:6yZEbVTWEkfWXedefzwYczF5ejsFBCJwUhloy54Rn6l+spsVtiOl1VeRqFSpfbNM:sQEPeoczo4YwUhuyy++BvVeTzNt
Threatray 3'757 similar samples on MalwareBazaar
TLSH T144C1A44127D89732E9F30F35E8B393914378EB518C93CB5F188442176D32A644E72F62
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 lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
333
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %AppData% directory
Restart of the analyzed sample
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm masquerade
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.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1395183 Sample: Mit Technologies Iran - MIT... Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 65 igw.myfirewall.org 2->65 67 hessenmedlcal.com 2->67 69 geoplugin.net 2->69 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for URL or domain 2->77 79 14 other signatures 2->79 8 Mit Technologies Iran - MIT PO_TURK00926600.pdf(73KB).com.exe 16 6 2->8         started        13 windows.exe 14 5 2->13         started        15 windows.exe 2->15         started        signatures3 process4 dnsIp5 71 hessenmedlcal.com 104.21.95.98, 443, 49699, 49710 CLOUDFLARENETUS United States 8->71 59 C:\Users\user\AppData\Roaming\windows.exe, PE32 8->59 dropped 93 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->93 17 Mit Technologies Iran - MIT PO_TURK00926600.pdf(73KB).com.exe 3 15 8->17         started        22 cmd.exe 1 8->22         started        24 cmd.exe 1 8->24         started        95 Multi AV Scanner detection for dropped file 13->95 97 Contains functionality to bypass UAC (CMSTPLUA) 13->97 99 Contains functionalty to change the wallpaper 13->99 101 5 other signatures 13->101 26 cmd.exe 13->26         started        28 cmd.exe 13->28         started        30 windows.exe 13->30         started        32 windows.exe 13->32         started        34 cmd.exe 15->34         started        36 cmd.exe 15->36         started        file6 signatures7 process8 dnsIp9 61 igw.myfirewall.org 103.35.191.158, 2404, 49707, 49708 VECTANTARTERIANetworksCorporationJP Japan 17->61 63 geoplugin.net 178.237.33.50, 49709, 80 ATOM86-ASATOM86NL Netherlands 17->63 57 C:\ProgramData\remcos\logs.dat, data 17->57 dropped 81 Maps a DLL or memory area into another process 17->81 83 Installs a global keyboard hook 17->83 38 Mit Technologies Iran - MIT PO_TURK00926600.pdf(73KB).com.exe 1 17->38         started        41 Mit Technologies Iran - MIT PO_TURK00926600.pdf(73KB).com.exe 1 17->41         started        43 Mit Technologies Iran - MIT PO_TURK00926600.pdf(73KB).com.exe 14 17->43         started        85 Uses ipconfig to lookup or modify the Windows network settings 22->85 45 2 other processes 22->45 47 2 other processes 24->47 49 2 other processes 26->49 51 2 other processes 28->51 53 2 other processes 34->53 55 2 other processes 36->55 file10 signatures11 process12 signatures13 87 Tries to steal Instant Messenger accounts or passwords 38->87 89 Tries to steal Mail credentials (via file / registry access) 38->89 91 Tries to harvest and steal browser information (history, passwords, etc) 41->91
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2024-02-19 02:28:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos family:zgrat botnet:fresh collection persistence rat spyware stealer
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Detect ZGRat V1
Remcos
ZGRat
Malware Config
C2 Extraction:
igw.myfirewall.org:2404
Unpacked files
SH256 hash:
2821d789c0b37d3ed136eebd66c36216386fa9d4935fcd733b1e8ef4fd388d36
MD5 hash:
10531525068f2547147c84cf4b464f75
SHA1 hash:
7c05bb4ee5c49eef647837347825c19a1756d73b
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:MSIL_TinyDownloader_Generic
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
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 2821d789c0b37d3ed136eebd66c36216386fa9d4935fcd733b1e8ef4fd388d36

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments