MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21323faa5f74ccc103e64f30bc31b36e0cfc971a601b59502713151ad4f465db. 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: 21323faa5f74ccc103e64f30bc31b36e0cfc971a601b59502713151ad4f465db
SHA3-384 hash: a72e328feb090370f2e7b6dc5fa915c1e714637207135317b4bdd327ca28050e6dafc048f68728c7445913f6cacd385c
SHA1 hash: bb866929affb2e8080fea8e43418dfacd7ce4c30
MD5 hash: d27c194773abd97cd4359f29231f76a6
humanhash: nuts-skylark-avocado-orange
File name:invoice and packing with BL.exe
Download: download sample
Signature RemcosRAT
File size:901'632 bytes
First seen:2022-07-06 20:22:30 UTC
Last seen:2022-07-06 20:38:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:cjd1KuOh9bHVBLGSxIqMieN7PoGPv3fYr0Y2wk:+G9LbBxIq3UogvPWp2B
Threatray 1'719 similar samples on MalwareBazaar
TLSH T17015237595C054B1DECD10F6B04642B0D3F76FD8A2A0E72A6DC021B2BE7A729834FB95
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c4b84de2e04dbadc (4 x AgentTesla, 3 x SnakeKeylogger, 3 x Loki)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2022-07-06 19:19:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost 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
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
172.111.234.100:5888
Unpacked files
SH256 hash:
d4bc61d699367fe29f57434e17cc9b1c922d08f3572dc1a4fa7adeec4ac0100b
MD5 hash:
3267a81206f19e4bb595d5594811d0f3
SHA1 hash:
f7295062bb9847b34bce0549b86919a0187f5916
SH256 hash:
8a2bdfab746e1801caea2880365b07f841840e650008e33ed60396250be969e1
MD5 hash:
766b3b053587a229db27d42d16d4b8b2
SHA1 hash:
f605f9a5213e928a97ba1bbade39d43f3173a110
Detections:
win_remcos_auto
SH256 hash:
b631afc8cd9c36db17ad4fee4e123829a52fa6ed4e43c1fb4ba8ad4482f82163
MD5 hash:
92a94b634f609a660946fc6bdc45752b
SHA1 hash:
d75b39ab7f2a61ac2574883d01f74e136354b7d8
SH256 hash:
928f1a56a042c44cd29a4ed2ff43cf190e4039ef0c7ee60b8d064d3192fb8a42
MD5 hash:
2cc256246aae37e3a9573dc29bce450d
SHA1 hash:
bd82399f6393e995cc5724d2f245a5788490c960
SH256 hash:
f0a0899641b45eb59ac549436dd86ffe8dbee913062328f40a3b5e5ea2526441
MD5 hash:
f5ecf038c5da940fe7652cc9f216f834
SHA1 hash:
73e68bfda7c0f5b6ce500dff6d0788d1707476d4
SH256 hash:
21323faa5f74ccc103e64f30bc31b36e0cfc971a601b59502713151ad4f465db
MD5 hash:
d27c194773abd97cd4359f29231f76a6
SHA1 hash:
bb866929affb2e8080fea8e43418dfacd7ce4c30
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.

Malspam

RemcosRAT

Executable exe 21323faa5f74ccc103e64f30bc31b36e0cfc971a601b59502713151ad4f465db

(this sample)

  
Delivery method
Distributed via e-mail attachment

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