MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
SHA3-384 hash: 9de3c004c138673c91a6d86fe93c38d7a4e5d8ff0cbf685ebe103cc7939ba7cde28270ff5356303238a900fb95ac7ba1
SHA1 hash: 00e5d156420606a6ee6da8b37f11f5a561376146
MD5 hash: 5a1a4200ce20d69530ca2b5ea575ef4a
humanhash: five-london-neptune-december
File name:5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:934'912 bytes
First seen:2024-09-09 12:40:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:rRAaN6zclYJQqEllY8ZE0TdGuHSbSnsUQKnBgfzoP:rRXscmJXV0tsInB4
Threatray 4'444 similar samples on MalwareBazaar
TLSH T1931512A82A06E513CD926B784BB2F3B52BAD0EEDA801D3139FCDDEAFB5755015C442C1
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 adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
427
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
Verdict:
Malicious activity
Analysis date:
2024-09-09 12:43:35 UTC
Tags:
rat remcos evasion keylogger
Link:
https://app.any.run/tasks/ff27eb6f-6389-4a32-a4a2-b8c8a0651ccf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.37.8032.25726.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66deece06b8536bde965e2aa
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Kryptik
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
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66deece34a2597249d52d3a0/reports/362ddd68-b234-49bd-a64f-e76370f97a4b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
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/f1a4fefb-00ea-44e8-94a9-0810f68263fa
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1507950
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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: 1507950 Sample: GN31O4pSQN.exe Startdate: 09/09/2024 Architecture: WINDOWS Score: 100 49 206.23.85.13.in-addr.arpa 2->49 51 geoplugin.net 2->51 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 GN31O4pSQN.exe 7 2->8         started        12 OzYxABbJ.exe 5 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\OzYxABbJ.exe, PE32 8->39 dropped 41 C:\Users\...\OzYxABbJ.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp9336.tmp, XML 8->43 dropped 45 C:\Users\user\AppData\...behaviorgraphN31O4pSQN.exe.log, ASCII 8->45 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 75 Injects a PE file into a foreign processes 8->75 14 GN31O4pSQN.exe 3 15 8->14         started        19 powershell.exe 23 8->19         started        21 powershell.exe 23 8->21         started        27 2 other processes 8->27 77 Antivirus detection for dropped file 12->77 79 Multi AV Scanner detection for dropped file 12->79 81 Contains functionality to bypass UAC (CMSTPLUA) 12->81 83 6 other signatures 12->83 23 OzYxABbJ.exe 12->23         started        25 schtasks.exe 1 12->25         started        signatures6 process7 dnsIp8 53 192.3.243.155, 49708, 7643 AS-COLOCROSSINGUS United States 14->53 55 geoplugin.net 178.237.33.50, 49709, 80 ATOM86-ASATOM86NL Netherlands 14->55 47 C:\ProgramData\remcos\logs.dat, data 14->47 dropped 57 Detected Remcos RAT 14->57 59 Installs a global keyboard hook 14->59 61 Loading BitLocker PowerShell Module 19->61 29 WmiPrvSE.exe 19->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-08-29 22:26:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lxzz3b5gyhfv7lze3idpwpj72jkvitz5asev6ok5ozbqozb6xc6q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1414f1e42aa7b329d33ddbf9c64024eb822b1f61780bede84aa260724bd36b60
RemcosRAT
20f69dbe505beadbb6aa03610ebf58a7b0d6d00adae76225cb381ba4fbaa520f
RemcosRAT
212ecd5d051954ee43b7da3c5e998dffac460d74ac9ca99607e399015d3067c4
RemcosRAT
5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
RemcosRAT
8c8cad5c12f471f42d5992e71bd32478aedb40af922b03ef4920047012c04d1f
RemcosRAT
f0f335a424d98a48836a01aaa8af90ddaa08667ad3fedc6cea38ab5623c4b713
RemcosRAT
+ 4'434 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/240909-pwrh1s1alh/
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:
192.3.243.155:7643
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/986aafb7-7671-4f4e-8da0-446579be1e51
Unpacked files
SH256 hash:
3af2306fd10b32e8a40d2bd846c36c47a62d4c1775d8cd278a41116e9cc91b9e
MD5 hash:
3891e8f6eda2fa9c34372eab0ed30d7b
SHA1 hash:
ebb2dc75a54f55042abfab11ef0593400fe568ed
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/90e60a14-2bd7-4cbd-beb6-8d6763c80b03/
Parent samples :
322c8e0ba72b41a9ee9ebdeeb1b1d71cefd9ed9674e285efed105c0918834b24
ddea918e0f507e1cdab135b871112ded7f068a604b74873091a8a2afa6b64abb
81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96
3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
SH256 hash:
e0ad89f69ae9cb2b608289351b1d6db5b3fa779589a919e53c9b9b2eec0bac69
MD5 hash:
02923d5418caa8d125fc0509fb654a78
SHA1 hash:
b81ed540147d82899f666c2e67dc2c45d74a8796
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/90e60a14-2bd7-4cbd-beb6-8d6763c80b03/
SH256 hash:
640da4bc859d8e6887a356130663dea78a197af60ae373ceb7b943f3de987252
MD5 hash:
88919861b061be28988489b4f47251a9
SHA1 hash:
45b27c3c6538e472b73f28ed10df9359f0dd4589
Link:
https://www.unpac.me/results/90e60a14-2bd7-4cbd-beb6-8d6763c80b03/
SH256 hash:
5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
MD5 hash:
5a1a4200ce20d69530ca2b5ea575ef4a
SHA1 hash:
00e5d156420606a6ee6da8b37f11f5a561376146
Link:
https://www.unpac.me/results/90e60a14-2bd7-4cbd-beb6-8d6763c80b03/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5df39d87a6c1/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/5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd

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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