MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
SHA3-384 hash: 968982e4cf6ddc52608902e703a650822c876ef064bb2bcd0b25f554a07ca1f2c1ecb46921fa9799f5ad5198aee23648
SHA1 hash: 3e4dc6e19407ff041b25629082a90382be7b957f
MD5 hash: 57c246dd2b2221edbfd54ff9246a0099
humanhash: zebra-august-muppet-delta
File name:PO#720.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:935'936 bytes
First seen:2024-09-08 15:04:18 UTC
Last seen:2024-09-08 16:20:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:+Eb5NCjPBS2nv0frerFWM+u848EUjooYgyUKHdw:N5N+5S2nv0fKxIuRUjoSK
Threatray 910 similar samples on MalwareBazaar
TLSH T16F1512A85A15D207C64117B84DB2F3BC237D2EEE7801D2479FF9AEEB7436D264D08192
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 nickkuechel
Tags:exe RAT remcos RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
441
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
04092024_PO#720.rar
Verdict:
No threats detected
Analysis date:
2024-09-04 14:14:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ea71f7d9-da18-46b1-bd70-ed34d4ff3946

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3042.7986.29769.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ddbd204af4c97a7615be37
Tags:
Execution Network Static Stealth Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Creating a file
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed phishing
Link:
https://www.filescan.io/uploads/66ddbd21747afb7333e6dbb2/reports/e0f64d8e-3e59-45fb-918a-44643464f3ee/overview
Verdict:
Malicious
Labled as:
Trojan.Autoruns.GenericS
Link:
https://www.hybrid-analysis.com/sample/6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc89ba60-af9d-4daa-8bb0-740e873b80c9
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1507591
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
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
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1507591 Sample: PO#720.exe Startdate: 08/09/2024 Architecture: WINDOWS Score: 100 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 11 other signatures 2->53 7 PO#720.exe 7 2->7         started        11 VdrrjnwYc.exe 5 2->11         started        process3 file4 37 C:\Users\user\AppData\Roaming\VdrrjnwYc.exe, PE32 7->37 dropped 39 C:\Users\...\VdrrjnwYc.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmp9D85.tmp, XML 7->41 dropped 43 C:\Users\user\AppData\...\PO#720.exe.log, ASCII 7->43 dropped 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 61 Adds a directory exclusion to Windows Defender 7->61 13 vbc.exe 3 7->13         started        17 powershell.exe 23 7->17         started        19 powershell.exe 23 7->19         started        21 schtasks.exe 1 7->21         started        63 Machine Learning detection for dropped file 11->63 65 Injects a PE file into a foreign processes 11->65 23 vbc.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 45 154.216.18.217, 49732, 49735, 49737 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 13->45 67 Contains functionality to bypass UAC (CMSTPLUA) 13->67 69 Detected Remcos RAT 13->69 71 Contains functionalty to change the wallpaper 13->71 75 4 other signatures 13->75 73 Loading BitLocker PowerShell Module 17->73 27 conhost.exe 17->27         started        29 WmiPrvSE.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96/
Threat name:
Win32.Worm.AutoRun
Create hunting rule
Status:
Malicious
First seen:
2024-09-04 10:50:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n6y27o3s2mul3lfjyamra7c44ewidp52xla7dn2cnwzj77wht6la._file
Verdict:
malicious
Similar samples:
544bcd37f2451628755df5917671493844a63efbc5056dac8ebf84f25f788288
RemcosRAT
bf55aa102ab94a09068758427ddc55fa628173283c593f1239a1d055af5df56b
RemcosRAT
cf0640554fe636e6ad2983b7c61a4a62e3d368080bef6084024e23e7dbfe9715
RemcosRAT
f84fb3796d2afde51b6249b7656cef901cf8b66ae2ea5ba105dabc8683cf4236
RemcosRAT
+ 900 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:throttle_8967 discovery execution rat
Link:
https://tria.ge/reports/240908-sf6jsavdqc/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
154.216.18.217:8967
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0796ebf6-e3dc-48e2-9a88-857228c91674
Unpacked files
SH256 hash:
7b2fe85ee5ab91df78d93f451720809d025f22d41893b0529dc90a376d65c427
MD5 hash:
dbe84aadde793c870b3b44a4bb1cdeda
SHA1 hash:
d83f8746cf05146ddec4a05a3062308d68d51fe9
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/73f66c14-d5a3-42e6-99d7-d49002529ee9/
SH256 hash:
150c6e7de31574a3dc8c09d743987ec2c43c9bd0e6aecbf91042722359e3adc0
MD5 hash:
48815524d9fe314ab98f8df0b182908f
SHA1 hash:
a0e4dded97841cded11dce2a1b84670be882f22c
Link:
https://www.unpac.me/results/73f66c14-d5a3-42e6-99d7-d49002529ee9/
SH256 hash:
23d3a1bb6488526f1e701ba860af57ca06e6585ceca8c9d41d0147887a460cea
MD5 hash:
343625e13a64e73fd220dd607d6ff6ae
SHA1 hash:
492fd71d6c4c8b5b71133dee45693853ce0b0fd0
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/73f66c14-d5a3-42e6-99d7-d49002529ee9/
SH256 hash:
6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96
MD5 hash:
57c246dd2b2221edbfd54ff9246a0099
SHA1 hash:
3e4dc6e19407ff041b25629082a90382be7b957f
Link:
https://www.unpac.me/results/73f66c14-d5a3-42e6-99d7-d49002529ee9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6fb1afbb72d328bdaca9c019107c5ce12c81bfbabac1f1b7426db29ffec79f96

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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.

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

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