MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed81a5ba77f8b1fd4e7881cc34f626ceec8c5b44d08822ca1d183e08d740f611. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: ed81a5ba77f8b1fd4e7881cc34f626ceec8c5b44d08822ca1d183e08d740f611
SHA3-384 hash: 6a978c7a2ddba0c70f46ff2e74b1473f6ab0b6a308d7dfd302493fffd171a3f7199999e4a1dd604ec353c6ce8f7c89e0
SHA1 hash: 26fb263425d869a723f7d497d967f923da0380b4
MD5 hash: 4b16f81e96e4b068a822674c646af94c
humanhash: pizza-fruit-south-fifteen
File name:shipping document pl&bl draft 17-10.exe
Download: download sample
Signature RemcosRAT
File size:135'680 bytes
First seen:2022-10-18 04:24:41 UTC
Last seen:2022-10-18 05:16:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:1IkMK2ViM+3ugphiI+mk99xJng6iP4Vqq2SnMv4a:1V2oeKUI+mk7xJnNe4wZSnMv4a
TLSH T127D30ED6999A9EC5EC318076FD710551B6EE7C0BA82A0568CD9AFC01C6F1C9358EBCC3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9f436b0f2b5b5b27 (2 x RemcosRAT)
Reporter JAMESWT_WT
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Executable has a suspicious name (potential lure to open the executable)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 725036 Sample: shipping document pl&bl dra... Startdate: 18/10/2022 Architecture: WINDOWS Score: 100 44 obologs.work.gd 2->44 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 10 other signatures 2->54 8 shipping document pl&bl draft 17-10.exe 16 7 2->8         started        13 Ljapwmtt.exe 14 3 2->13         started        15 Ljapwmtt.exe 3 2->15         started        signatures3 process4 dnsIp5 46 transfer.sh 144.76.136.153, 443, 49709, 49721 HETZNER-ASDE Germany 8->46 34 C:\Users\user\AppData\...\Ljapwmtt.exe, PE32 8->34 dropped 36 C:\Users\...\Ljapwmtt.exe:Zone.Identifier, ASCII 8->36 dropped 38 shipping document ...draft 17-10.exe.log, ASCII 8->38 dropped 56 Encrypted powershell cmdline option found 8->56 58 Writes to foreign memory regions 8->58 60 Injects a PE file into a foreign processes 8->60 17 aspnet_compiler.exe 2 8->17         started        20 powershell.exe 16 8->20         started        62 Multi AV Scanner detection for dropped file 13->62 64 Machine Learning detection for dropped file 13->64 22 powershell.exe 13->22         started        24 aspnet_compiler.exe 13->24         started        26 powershell.exe 15->26         started        file6 signatures7 process8 dnsIp9 40 obologs.work.gd 194.5.98.244, 4044, 49718, 49719 DANILENKODE Netherlands 17->40 42 192.168.2.1 unknown unknown 17->42 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 26->32         started        process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-10-17 09:24:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ed81a5ba77f8b1fd4e7881cc34f626ceec8c5b44d08822ca1d183e08d740f611
MD5 hash:
4b16f81e96e4b068a822674c646af94c
SHA1 hash:
26fb263425d869a723f7d497d967f923da0380b4
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: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.

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