MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a202a3843b54121f7d345b48af88393440cee64240dda50ece88cb7bd395b71c. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a202a3843b54121f7d345b48af88393440cee64240dda50ece88cb7bd395b71c
SHA3-384 hash: 934d56ad94282c85b6c9d164564f9c70b568125e2414fdbc0cf669f6003561dbf565626bb27e2aae8faf5b3803b72c5a
SHA1 hash: f75439902782b8d983410221ec0952b55974b75e
MD5 hash: fa1c8d8657c45e7545764d8098a5029b
humanhash: uncle-kentucky-burger-bulldog
File name:fa1c8d8657c45e7545764d8098a5029b
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'243'136 bytes
First seen:2022-11-19 04:07:17 UTC
Last seen:2022-11-19 05:37:55 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 24576:XJdmrAIpX5kEHsOzj4j85M1hUQDAxzJX4vDYdfa:Xu5psOzj4jGM1aK4FXhd
TLSH T14045D05B86865AE6C4594D729D69C4B932F00F1B5064E36EDCC83DE3BABB707D2120B3
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 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1911-22 - UV-045 - PO COPIA.xls
Verdict:
Malicious activity
Analysis date:
2022-11-18 22:41:27 UTC
Tags:
macros trojan opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/39503aac-bbcf-482e-86fe-38bdf7b26569

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/335995/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.501.4390.28311.UNOFFICIAL
Create hunting rule

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
Link:
https://www.filescan.io/uploads/637856a107c3f5e84a01f4e6/reports/ea2db204-a4bc-495b-a073-c17e69ee3c14/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4e9dbf2-4362-40d4-87e9-5c22085a6b89
Result
Threat name:
DarkTortilla, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116978
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749686 Sample: yhh8nRek1N.exe Startdate: 19/11/2022 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 yhh8nRek1N.exe 15 4 2->7         started        process3 dnsIp4 42 www.google.com 172.217.168.36, 443, 49713 GOOGLEUS United States 7->42 32 C:\Users\user\AppData\...\yhh8nRek1N.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\...\Mrica.exe, PE32 15->34 dropped 36 C:\Users\user\...\Mrica.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a202a3843b54121f7d345b48af88393440cee64240dda50ece88cb7bd395b71c/
Threat name:
ByteCode-MSIL.Trojan.Lazy
Create hunting rule
Status:
Malicious
First seen:
2022-11-18 09:28:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uibkhbb3kqjb67julnek7cbzgram5zscido2kdwordfxxu4vw4oa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/221119-ep7xbada47/
Behaviour
Suspicious use of AdjustPrivilegeToken
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9ca7acd1-b0a0-4a20-901e-35f06190e0b2
Unpacked files
SH256 hash:
a202a3843b54121f7d345b48af88393440cee64240dda50ece88cb7bd395b71c
MD5 hash:
fa1c8d8657c45e7545764d8098a5029b
SHA1 hash:
f75439902782b8d983410221ec0952b55974b75e
Link:
https://www.unpac.me/results/4ac4aea5-7ea6-410b-b4a1-398d3052dc15/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a202a3843b54/report/overview.html
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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 a202a3843b54121f7d345b48af88393440cee64240dda50ece88cb7bd395b71c

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2422388/
  
URLhaus
https://urlhaus.abuse.ch/url/2426203/
Cape
Cape
https://www.capesandbox.com/analysis/335995/

Comments


Avatar
zbet commented on 2022-11-19 04:07:26 UTC

url : hxxp://52.29.58.98/150/vbc.exe