MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c298764818ca42411115429c1f819577f5ece4d0c3dad949ea46a9ec4b49634. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c298764818ca42411115429c1f819577f5ece4d0c3dad949ea46a9ec4b49634
SHA3-384 hash: b7f47726206235929276ef8a24b7550b996c6927a72849518d14a34564fc007f364937e53ca881b4d9e4e5910226567c
SHA1 hash: 69de675949b7e9aadcbfe858ef12e8deafe3a7d6
MD5 hash: 15e9336f0d6fb2eb4e4ce45ca239d5d5
humanhash: snake-artist-oxygen-burger
File name:Demanda Civil-PDF_parsed.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:693'248 bytes
First seen:2022-10-26 13:55:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'656 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:LEAu/TZGW5pED8DtZiHaMcw+ubaxn687h8fms:lSo2+D8Dosw+8RIh8f
TLSH T15EE4E08E27603342E4154F39D805B7454B1E5FE61C72EB0EFB4D3662AB3AFC51E96282
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:AGOSTOver2.80 exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Demanda Civil-PDF_parsed.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 13:56:33 UTC
Tags:
keylogger remcos
Link:
https://app.any.run/tasks/aa9c217a-1e07-410a-8f3a-4568ac8f9d1a

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/324429/
Detection(s):
Win.Malware.Autoit-9938654-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Running batch commands
Creating a file
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/599ff05e-7e36-4f0f-8689-ffea2819489e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1098445
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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: 731114 Sample: Demanda Civil-PDF_parsed.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 96 61 Malicious sample detected (through community Yara rule) 2->61 63 Yara detected Remcos RAT 2->63 65 C2 URLs / IPs found in malware configuration 2->65 67 2 other signatures 2->67 7 Demanda Civil-PDF_parsed.exe 4 2->7         started        11 ght.exe 3 2->11         started        13 ght.exe 2 2->13         started        15 ght.exe 2->15         started        process3 file4 59 C:\Users\...\Demanda Civil-PDF_parsed.exe.log, CSV 7->59 dropped 71 Writes to foreign memory regions 7->71 73 Allocates memory in foreign processes 7->73 75 Injects a PE file into a foreign processes 7->75 17 cmd.exe 3 7->17         started        20 cmd.exe 2 7->20         started        23 cmd.exe 1 7->23         started        25 csc.exe 7->25         started        77 Multi AV Scanner detection for dropped file 11->77 79 Machine Learning detection for dropped file 11->79 27 cmd.exe 11->27         started        31 3 other processes 11->31 29 cmd.exe 13->29         started        33 3 other processes 13->33 35 4 other processes 15->35 signatures5 process6 file7 55 C:\Users\user\AppData\Roaming\ght\ght.exe, PE32 17->55 dropped 57 C:\Users\user\...\ght.exe:Zone.Identifier, ASCII 17->57 dropped 37 conhost.exe 17->37         started        69 Uses schtasks.exe or at.exe to add and modify task schedules 20->69 39 conhost.exe 20->39         started        43 2 other processes 23->43 41 WerFault.exe 20 9 25->41         started        45 2 other processes 27->45 47 2 other processes 29->47 49 3 other processes 31->49 51 3 other processes 33->51 53 5 other processes 35->53 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8c298764818ca42411115429c1f819577f5ece4d0c3dad949ea46a9ec4b49634/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-26 14:10:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rquyozebrsscieirkqu4d6azk57v5tsnbq623fe6urvj5rfusy2a._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/221026-q8pevsgaam/
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
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/d3c1bea4-737d-44fb-b70d-789bbccbdd37/
Parent samples :
8c298764818ca42411115429c1f819577f5ece4d0c3dad949ea46a9ec4b49634
45c02c7b7bcf92f477c2d62d4f65090f79cf0fc6e9ae3a0a8d1f9523613e6b9d
5e4bb39ac038489323ac580de023cc34f016f29e7f75f79872dcfc4123737cad
SH256 hash:
8c298764818ca42411115429c1f819577f5ece4d0c3dad949ea46a9ec4b49634
MD5 hash:
15e9336f0d6fb2eb4e4ce45ca239d5d5
SHA1 hash:
69de675949b7e9aadcbfe858ef12e8deafe3a7d6
Link:
https://www.unpac.me/results/d3c1bea4-737d-44fb-b70d-789bbccbdd37/
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/8c298764818ca42411115429c1f819577f5ece4d0c3dad949ea46a9ec4b49634

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.

Cape
Cape
https://www.capesandbox.com/analysis/324429/

Comments


Avatar
0xToxin commented on 2022-10-26 14:07:32 UTC

original SHA256:
653c10cff3816ee2e89241f7c3f35e1547aff936e98c4d5bf694429132179fc6