MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e4bb39ac038489323ac580de023cc34f016f29e7f75f79872dcfc4123737cad. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5e4bb39ac038489323ac580de023cc34f016f29e7f75f79872dcfc4123737cad
SHA3-384 hash: e35e026588f85d9e95b093ef2f590155d79982b4ad85b213ce6738aa277fd8a6ccce9da3ae5ccebc1c74780bef5b4b0e
SHA1 hash: 04ca2e4410de74de8c70b9f0a5248a62804ea886
MD5 hash: a1c0e72a610542c23296daa6f6bcdf29
humanhash: carbon-triple-violet-montana
File name:Demanda_Juridica-pdf_clean.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:720'896 bytes
First seen:2022-11-16 07:34:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zHSkm2nZFqcIyaQ1oAQQ4s1xJkvlYX4Kwcgbkms:zykvndIyaW7QQr0qoKwcgg
TLSH T160E4E08E63507286E4115F3A882977000B9C9FE62D76D70EFA0D7B97673BBC01E4A356
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 e8d8b4e6e68a82e0 (3 x RemcosRAT, 2 x Formbook, 1 x AgentTesla)
Reporter 0xToxin
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Demanda_Juridica-pdf_clean.exe
Verdict:
Malicious activity
Analysis date:
2022-11-16 07:35:13 UTC
Tags:
keylogger remcos
Link:
https://app.any.run/tasks/e66c82cd-bd37-4812-ae44-7664164f090d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/334676/
Detection(s):
Win.Malware.Autoit-9938654-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Running batch commands
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/637492aa6fda73cab64e0512/reports/0f24e7c2-32cd-429d-ba91-ce808d69a3e4/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b876c464-39c4-40ed-aef3-6e355e613aed
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1114589
Signature
Allocates memory in foreign processes
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 747286 Sample: Demanda_Juridica-pdf_clean.exe Startdate: 16/11/2022 Architecture: WINDOWS Score: 100 58 Multi AV Scanner detection for domain / URL 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 4 other signatures 2->64 7 Demanda_Juridica-pdf_clean.exe 4 2->7         started        11 vft.exe 3 2->11         started        process3 file4 54 C:\...\Demanda_Juridica-pdf_clean.exe.log, ASCII 7->54 dropped 66 Writes to foreign memory regions 7->66 68 Allocates memory in foreign processes 7->68 70 Injects a PE file into a foreign processes 7->70 13 csc.exe 7->13         started        16 cmd.exe 3 7->16         started        19 cmd.exe 2 7->19         started        21 cmd.exe 1 7->21         started        72 Machine Learning detection for dropped file 11->72 23 csc.exe 2 2 11->23         started        26 cmd.exe 11->26         started        28 cmd.exe 1 11->28         started        30 cmd.exe 11->30         started        signatures5 process6 dnsIp7 74 Contains functionality to steal Chrome passwords or cookies 13->74 76 Contains functionality to steal Firefox passwords or cookies 13->76 78 Delayed program exit found 13->78 32 WerFault.exe 23 9 13->32         started        50 C:\Users\user\AppData\Roaming\vft\vft.exe, PE32 16->50 dropped 52 C:\Users\user\...\vft.exe:Zone.Identifier, ASCII 16->52 dropped 34 conhost.exe 16->34         started        80 Uses schtasks.exe or at.exe to add and modify task schedules 19->80 36 conhost.exe 19->36         started        38 conhost.exe 21->38         started        40 schtasks.exe 1 21->40         started        56 hotsdefender.webredirect.org 185.225.18.106, 2404 MIVOCLOUDMD Romania 23->56 82 Installs a global keyboard hook 23->82 42 conhost.exe 26->42         started        44 schtasks.exe 1 26->44         started        46 conhost.exe 28->46         started        48 conhost.exe 30->48         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5e4bb39ac038489323ac580de023cc34f016f29e7f75f79872dcfc4123737cad/
Threat name:
ByteCode-MSIL.Trojan.Tasker
Create hunting rule
Status:
Malicious
First seen:
2022-11-16 07:35:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lzf3hgwahbejgi5mlag6ai6mgtybn4u6p527pgds3t6eci3tpswq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:agostover2.80 rat
Link:
https://tria.ge/reports/221116-jensxahf87/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
hotsdefender.webredirect.org:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/02972f9e-7c56-4afc-8779-bbb853074a65
Unpacked files
SH256 hash:
b6f16106901a228cb482c374ee7c82eb261fd461ffc5e5ca11388b2d8b74b9ac
MD5 hash:
3017028549293c9bbad21c3700c981d4
SHA1 hash:
0515ced9e92bb99e0f6500894a0b9e8481e2c8c7
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/29e7fba7-1378-4e02-b606-8e42c88ccf8a/
Parent samples :
8c298764818ca42411115429c1f819577f5ece4d0c3dad949ea46a9ec4b49634
45c02c7b7bcf92f477c2d62d4f65090f79cf0fc6e9ae3a0a8d1f9523613e6b9d
5e4bb39ac038489323ac580de023cc34f016f29e7f75f79872dcfc4123737cad
SH256 hash:
5e4bb39ac038489323ac580de023cc34f016f29e7f75f79872dcfc4123737cad
MD5 hash:
a1c0e72a610542c23296daa6f6bcdf29
SHA1 hash:
04ca2e4410de74de8c70b9f0a5248a62804ea886
Link:
https://www.unpac.me/results/29e7fba7-1378-4e02-b606-8e42c88ccf8a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5e4bb39ac038/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5e4bb39ac038489323ac580de023cc34f016f29e7f75f79872dcfc4123737cad

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/334676/

Comments