MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc
SHA3-384 hash: 0471c59857bd05861d6e477b22cd13507313768c58f2a1e784f83f2587370b6da1bec486db4e5f07e31fe4a53a70a83b
SHA1 hash: c94ffbdc29ab82e90b704e33838a1ea6af3cf14a
MD5 hash: a1b7c41a0ef9eb2af3337a97127329d9
humanhash: shade-sixteen-colorado-alanine
File name:PO904321.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:902'144 bytes
First seen:2024-09-24 09:32:49 UTC
Last seen:2024-09-24 10:22:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:5rEmwPVpOaOXAHs2NAZZHy0SUAP2F/cvn:SZtpxOl2NAZ5fD/
Threatray 4'463 similar samples on MalwareBazaar
TLSH T16A1523B26178F516EFE917FB0470C3B526756E4CE42AC353DEEDAEE3B921B012880645
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
414
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PO904321.exe
Verdict:
Malicious activity
Analysis date:
2024-09-24 09:35:17 UTC
Tags:
rat remcos evasion
Link:
https://app.any.run/tasks/ac44806b-7cbd-455e-8a98-625252d43569

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.47979.2634.32134.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f287508aca58c2b2c70e13
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Msil Crypted Spawn Virus Hype
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed phishing remcos snakekeylogger
Link:
https://www.filescan.io/uploads/66f287552bd613e5e35bfa77/reports/0c2f367a-0ae4-4ae0-bfc4-97ffe12398ee/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc
Result
Verdict:
SUSPICIOUS
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/ebcec1f4-ba51-49cb-aaaf-e7438b1c5ff5
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1516523
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1516523 Sample: PO904321.exe Startdate: 24/09/2024 Architecture: WINDOWS Score: 100 51 dpm-sael.com 2->51 53 geoplugin.net 2->53 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 12 other signatures 2->69 8 PO904321.exe 7 2->8         started        12 rxoPEmTYk.exe 5 2->12         started        signatures3 process4 file5 41 C:\Users\user\AppData\Roaming\rxoPEmTYk.exe, PE32 8->41 dropped 43 C:\Users\...\rxoPEmTYk.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp1C53.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\PO904321.exe.log, ASCII 8->47 dropped 71 Uses schtasks.exe or at.exe to add and modify task schedules 8->71 73 Adds a directory exclusion to Windows Defender 8->73 14 PO904321.exe 3 16 8->14         started        19 powershell.exe 23 8->19         started        21 powershell.exe 23 8->21         started        29 2 other processes 8->29 75 Multi AV Scanner detection for dropped file 12->75 77 Contains functionality to bypass UAC (CMSTPLUA) 12->77 79 Contains functionalty to change the wallpaper 12->79 81 6 other signatures 12->81 23 schtasks.exe 12->23         started        25 rxoPEmTYk.exe 12->25         started        27 rxoPEmTYk.exe 12->27         started        signatures6 process7 dnsIp8 55 dpm-sael.com 64.176.178.205, 2017, 49733 ALABANZA-BALTUS United States 14->55 57 geoplugin.net 178.237.33.50, 49734, 80 ATOM86-ASATOM86NL Netherlands 14->57 49 C:\ProgramData\remcos\logs.dat, data 14->49 dropped 59 Installs a global keyboard hook 14->59 61 Loading BitLocker PowerShell Module 19->61 31 WmiPrvSE.exe 19->31         started        33 conhost.exe 19->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 29->39         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-09-19 09:32:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=264ckqsahqdlmow423ckizqu5pae3eb4traebf6tbtef4arxyk6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
5e979880469bfba9dc9b850ed945530fc277fcbdd96227661972c89e700ecd1e
RemcosRAT
6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
RemcosRAT
af6da282b909429590b47c87d3be4b41dd8386effaa670df8867dd0fcb45c004
RemcosRAT
ddea918e0f507e1cdab135b871112ded7f068a604b74873091a8a2afa6b64abb
RemcosRAT
f97691d405f1255b2d966ef6f581f160c6a708e5581a7d79e97b9bd70260d0b6
RemcosRAT
+ 4'453 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mekus discovery execution rat
Link:
https://tria.ge/reports/240924-lh7fjasglf/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
dpm-sael.com:2017
Verdict:
Malicious
Tags:
remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/6700e487-74e4-48e6-98be-d14142c56008
Unpacked files
SH256 hash:
04d7477c03418c7e4de3dbe344390866ad623bcb7f95347fba918d409289383b
MD5 hash:
4bf132cd765bc40f5a57698f2f11f336
SHA1 hash:
41a1b5de62d70e137b6baf15de581ddbb6aa32ab
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/f0fb1d02-e936-4e30-9b98-b19d5a810a25/
Parent samples :
e05cc67d73ac305af568bad10b09f26ec5641fee5a29cfc4b20d9efc6b2581b0
7c88bd71a3530b4731d6e6233d0927d8f7b01c4e97cf796fa2d53b554f1d6ed9
1c251b2a58b7c9c19bca9f5eb75fa7cd93a73fe07e34c1759a2381dda79ffda4
d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc
700abeeb6388de45b2e0c175f6de719df739b14cfd0500f3fce94e95d0a9f127
935a99d2fbb4053dadbfe9da227f4019d0807785bb193e56e719b7583f49b1ea
SH256 hash:
d1f4761e2e1e15fe454a70864c3aa1da7d6dc90582222bbd7e6d53d0bbee6f62
MD5 hash:
b08a9c9cb485bd7567bf062922a1e897
SHA1 hash:
3b5781fb115d06bdede80cb6ff627fde1a50d9f5
Link:
https://www.unpac.me/results/f0fb1d02-e936-4e30-9b98-b19d5a810a25/
Parent samples :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 hash:
a431e671114a4a8e381a0812cd9f346f37fd8c57895b5fd54f1c3b38acdbfec6
MD5 hash:
58e1776458857171f662f2740a0f787a
SHA1 hash:
38186edbe459361e18e7c61e52cae4cb426c41a3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f0fb1d02-e936-4e30-9b98-b19d5a810a25/
SH256 hash:
d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc
MD5 hash:
a1b7c41a0ef9eb2af3337a97127329d9
SHA1 hash:
c94ffbdc29ab82e90b704e33838a1ea6af3cf14a
Link:
https://www.unpac.me/results/f0fb1d02-e936-4e30-9b98-b19d5a810a25/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d7b82542403c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Malspam

RemcosRAT

Executable exe d7b82542403c06b63adcd6c4a46614ebc04d903c9c404097d30cc85e0237c2bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments