MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 74d97d31a52c0d59f9094c0eeb538863f58156b6b033aec77b33202d4ce6a967. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 74d97d31a52c0d59f9094c0eeb538863f58156b6b033aec77b33202d4ce6a967
SHA3-384 hash: 0bb16e9c24b9432e73d307575fd284187f6531ed0c4f13d23fdab119b41d00094009bb4b537d35029f7e3deda3090209
SHA1 hash: 239d9e1470d66d39c2d97cc3df470699a478fb95
MD5 hash: c26dd94e7b18736ee3e2ca00a8af4716
humanhash: eighteen-triple-low-carolina
File name:SecuriteInfo.com.Win32.PWSX-gen.24386.31036
Download: download sample
Signature RemcosRAT
File size:12'288 bytes
First seen:2022-10-13 02:19:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 192:xyOVVT8WSBc2YLM32JehLKLvLHYM9Ffrz0XLyg:MOAW9LMGJehLKLvLXfP07y
Threatray 2'328 similar samples on MalwareBazaar
TLSH T1A542A44FC3C85972C93B4A3EA54292B20661B756DCBD4E2E6478BC17BC333C20552E6B
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 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a 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:
UNKNOWN
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.spyw.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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Encrypted powershell cmdline option found
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)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 721949 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 13/10/2022 Architecture: WINDOWS Score: 100 37 obologs.work.gd 2->37 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 8 SecuriteInfo.com.Win32.PWSX-gen.24386.31036.exe 16 7 2->8         started        13 Wjzsclsz.exe 14 3 2->13         started        15 Wjzsclsz.exe 2 2->15         started        signatures3 process4 dnsIp5 39 transfer.sh 144.76.136.153, 443, 49692, 49703 HETZNER-ASDE Germany 8->39 29 C:\Users\user\AppData\...\Wjzsclsz.exe, PE32 8->29 dropped 31 C:\Users\...\Wjzsclsz.exe:Zone.Identifier, ASCII 8->31 dropped 33 SecuriteInfo.com.W...24386.31036.exe.log, ASCII 8->33 dropped 57 Encrypted powershell cmdline option found 8->57 17 aspnet_compiler.exe 2 8->17         started        21 powershell.exe 16 8->21         started        59 Multi AV Scanner detection for dropped file 13->59 61 Machine Learning detection for dropped file 13->61 23 powershell.exe 13->23         started        41 192.168.2.1 unknown unknown 15->41 file6 signatures7 process8 dnsIp9 35 obologs.work.gd 194.5.98.244, 4044, 49697, 49698 DANILENKODE Netherlands 17->35 43 Contains functionality to steal Chrome passwords or cookies 17->43 45 Contains functionality to steal Firefox passwords or cookies 17->45 47 Delayed program exit found 17->47 25 conhost.exe 21->25         started        27 conhost.exe 23->27         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Regrun
Status:
Malicious
First seen:
2022-10-12 23:50:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
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
Unpacked files
SH256 hash:
74d97d31a52c0d59f9094c0eeb538863f58156b6b033aec77b33202d4ce6a967
MD5 hash:
c26dd94e7b18736ee3e2ca00a8af4716
SHA1 hash:
239d9e1470d66d39c2d97cc3df470699a478fb95
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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