MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ab339d868c58faf80fc2b88b8094c94bf9fd7f1f70f15e773f69c6453f498f9. 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: 7ab339d868c58faf80fc2b88b8094c94bf9fd7f1f70f15e773f69c6453f498f9
SHA3-384 hash: d6f7eccf75006dd838735c30f00c223e7d59d5a39626cb9a87f8bbba5496c8eee7015467704a21d463bef185e82e6bfa
SHA1 hash: 88cbae9ff6f409fd02be6215a0b86885060267aa
MD5 hash: ad986fa014c4a08c7a2b1d89d8488656
humanhash: orange-queen-aspen-robin
File name:SecuriteInfo.com.Win32.DropperX-gen.14822.18595
Download: download sample
Signature RemcosRAT
File size:1'067'520 bytes
First seen:2022-11-28 20:30:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:AT3RKnMPqbgEHsOzj4j85M1hUQDAxzJX4vxfh:A7oMuzsOzj4jGM1aK4FX
TLSH T1BB35E00B19C7D5A2C4954A70E279C9F813F55F1BC450D7A32CC83EFBBAB5A8E66011A3
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 002b032b2b032b00 (2 x RemcosRAT, 1 x Formbook, 1 x DCRat)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SKM_C257i22112414230.xls
Verdict:
Malicious activity
Analysis date:
2022-11-28 16:46:59 UTC
Tags:
macros trojan opendir exploit cve-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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:
DarkTortilla, Remcos
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 755590 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 28/11/2022 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 7 other signatures 2->50 7 SecuriteInfo.com.Win32.DropperX-gen.14822.18595.exe 15 4 2->7         started        process3 dnsIp4 42 www.google.com 172.217.168.68, 443, 49679 GOOGLEUS United States 7->42 32 SecuriteInfo.com.W...14822.18595.exe.log, ASCII 7->32 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->54 12 cmd.exe 1 7->12         started        15 cmd.exe 3 7->15         started        file5 signatures6 process7 file8 56 Uses ping.exe to sleep 12->56 58 Uses ping.exe to check the status of other devices and networks 12->58 18 reg.exe 1 1 12->18         started        21 PING.EXE 1 12->21         started        24 conhost.exe 12->24         started        34 C:\Users\user\AppData\Roaming\...\Mircrca.exe, PE32 15->34 dropped 36 C:\Users\user\...\Mircrca.exe:Zone.Identifier, ASCII 15->36 dropped 26 PING.EXE 1 15->26         started        28 conhost.exe 15->28         started        30 PING.EXE 1 15->30         started        signatures9 process10 dnsIp11 52 Creates an undocumented autostart registry key 18->52 38 127.0.0.1 unknown unknown 21->38 40 192.168.2.1 unknown unknown 26->40 signatures12
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-11-28 10:18:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
22 of 39 (56.41%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
7ab339d868c58faf80fc2b88b8094c94bf9fd7f1f70f15e773f69c6453f498f9
MD5 hash:
ad986fa014c4a08c7a2b1d89d8488656
SHA1 hash:
88cbae9ff6f409fd02be6215a0b86885060267aa
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.

Web download

RemcosRAT

Executable exe 7ab339d868c58faf80fc2b88b8094c94bf9fd7f1f70f15e773f69c6453f498f9

(this sample)

  
Delivery method
Distributed via web download

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