MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d2f2d684eb25205c07a58d9268d0c69a6c506f9eb14e1473a39306aff9f5a1a. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1d2f2d684eb25205c07a58d9268d0c69a6c506f9eb14e1473a39306aff9f5a1a
SHA3-384 hash: 372147d0d29e761b8d63fc17dfd51f03ff1faa39ecab5e2052aad13426789b473caca66dd7f508e73965e3c76f6ae338
SHA1 hash: 23ab21fb9047b45577e29ef975b2766a03e8a88a
MD5 hash: d2fa9a3b74c8bef6f92fc95335b53f48
humanhash: tennis-william-sierra-lima
File name:Boletin_Fiscal_Caso_Proferido_Judicial_N°_5992842321..exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:755'200 bytes
First seen:2023-01-25 20:04:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'817 x AgentTesla, 19'738 x Formbook, 12'284 x SnakeKeylogger)
ssdeep 12288:l4j/qakHa5fb5I0Zk2DSf5pWI7nVoU9WPfvsubDuz5+aIclOhgL/i6CQKhTD+gvP:l4jSakHifbjZs5pWoRtua5Ljl9L/5SV
Threatray 2'541 similar samples on MalwareBazaar
TLSH T1C6F4CF0762AC9AB8F4E387314CAA86111A167C9B5E6CD34F50D532532E703A9B07F79F
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 e0e8ccd4e0968ae0 (5 x RemcosRAT, 3 x AgentTesla, 1 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Boletin_Fiscal_Caso_Proferido_Judicial_N°_5992842321..exe
Verdict:
Malicious activity
Analysis date:
2023-01-25 20:05:59 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/5e4b68cd-6d36-40da-b1b5-c46859323084

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/356826/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Creating a process from a recently created file
Searching for the window
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:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/63d18b701c9cbf7d6252b390/reports/a653479e-d3dd-4767-afa9-ace7161e3a85/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/3298918f-6881-4219-97a0-415ac5ae84d0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159029
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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: 791768 Sample: Boletin_Fiscal_Caso_Proferi... Startdate: 25/01/2023 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 4 other signatures 2->68 7 Boletin_Fiscal_Caso_Proferido_Judicial_N#U00b0_5992842321..exe 4 2->7         started        11 fixed.exe 3 2->11         started        13 fixed.exe 2 2->13         started        process3 file4 54 Boletin_Fiscal_Cas...5992842321..exe.log, ASCII 7->54 dropped 72 Writes to foreign memory regions 7->72 74 Allocates memory in foreign processes 7->74 76 Injects a PE file into a foreign processes 7->76 15 cmd.exe 3 7->15         started        18 cmd.exe 2 7->18         started        21 cmd.exe 1 7->21         started        23 csc.exe 7->23         started        78 Multi AV Scanner detection for dropped file 11->78 80 Machine Learning detection for dropped file 11->80 25 csc.exe 11->25         started        27 cmd.exe 11->27         started        31 2 other processes 11->31 29 cmd.exe 13->29         started        33 3 other processes 13->33 signatures5 process6 file7 56 C:\Users\user\AppData\Roaming\...\fixed.exe, PE32 15->56 dropped 58 C:\Users\user\...\fixed.exe:Zone.Identifier, ASCII 15->58 dropped 35 conhost.exe 15->35         started        70 Uses schtasks.exe or at.exe to add and modify task schedules 18->70 37 conhost.exe 18->37         started        44 2 other processes 21->44 39 WerFault.exe 24 9 23->39         started        41 WerFault.exe 10 25->41         started        46 2 other processes 27->46 48 2 other processes 29->48 50 2 other processes 31->50 52 3 other processes 33->52 signatures8 process9 dnsIp10 60 192.168.2.1 unknown unknown 41->60
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1d2f2d684eb25205c07a58d9268d0c69a6c506f9eb14e1473a39306aff9f5a1a/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-01-25 20:07:40 UTC
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=duxs22cowjjalqd2ldmsndimngtmkbxz5mkocrz2heygv747lina._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
46c3cda4b6dbdae4d3347998364fa2981157c31d2cc8dfb765a5ecf1098484ea
RemcosRAT
50a13f6bced0bda92a35b13106f74959e15a48f47d18b04bc49ee95c82482cf7
RemcosRAT
5f61b50531659487b56d97323a53c7c58445a62fb9f47489cd07b38feb3d4527
RemcosRAT
661c658fee6ad38a71803820b9eeb55f8cc9fb905117d55002d4da85696a26d2
RemcosRAT
d0c8937695613205c66a04956266b7402eeaae392b88c5cf1ef22b437d181597
RemcosRAT
d42f6ad0179bb066b735f67d8141a091fd468cb7c71118645cebe381622ac8fa
RemcosRAT
fb0bca54f6a5b8aec9ae002bf53a942792fff4dc92ca4ecbd74fb625c1d604e0
RemcosRAT
+ 2'531 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:nuevo 2 rat
Link:
https://tria.ge/reports/230125-yttd9sca5s/
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:
pcnewsesperanza.duckdns.org:9000
Unpacked files
SH256 hash:
cc04c48064839029b2fa0e275d4628c9003a57737dc180dd86d942e016be6d23
MD5 hash:
42d0d82ad5fa3751c9ecadca44261826
SHA1 hash:
a5e4d0c40280a603cfdcde975da3bc9f73f81d72
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/036c7dc7-f61b-45cf-a125-2d9365a095d1/
SH256 hash:
1d2f2d684eb25205c07a58d9268d0c69a6c506f9eb14e1473a39306aff9f5a1a
MD5 hash:
d2fa9a3b74c8bef6f92fc95335b53f48
SHA1 hash:
23ab21fb9047b45577e29ef975b2766a03e8a88a
Link:
https://www.unpac.me/results/036c7dc7-f61b-45cf-a125-2d9365a095d1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1d2f2d684eb2/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/1d2f2d684eb25205c07a58d9268d0c69a6c506f9eb14e1473a39306aff9f5a1a

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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/356826/

Comments