MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a978b6f3e70e380384597e4a52f4b7ab04af36d55c4cb95d0e354b50aa3eaf73. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: a978b6f3e70e380384597e4a52f4b7ab04af36d55c4cb95d0e354b50aa3eaf73
SHA3-384 hash: daa0244244dc79a8dcff123d74c38aac28431a637fe40e51330dc12782a84c3e6eef15a016204404e1d9d2dac214364c
SHA1 hash: 516ff922646667aadaa0a65d17432dbb30b0723a
MD5 hash: c03dd408faf1db729a315caf22f39d8f
humanhash: fish-georgia-romeo-item
File name:REVISED PURCHASE ORDER # PEEE-AJ-GS-207-1R-2025.exe
Download: download sample
Signature RemcosRAT
File size:1'915'392 bytes
First seen:2025-12-23 07:38:25 UTC
Last seen:2025-12-23 11:44:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 22e0f2a61e82a6c61d0d0a9d2d4bc338 (1 x RemcosRAT)
ssdeep 24576:1GWkoqm9E+nw6sNdMR4fXTEJOU/XRFyfI3BURmgHGtUHqEp8ML1VZB:1EqqdM2fXTQ/XRFyfaUQ2nJhbB
Threatray 4'075 similar samples on MalwareBazaar
TLSH T1C195D0436F60BC6FC1226877A81EFADD0C0E3D6EBDD4964376DD6A09CB569402622DC3
TrID 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
28.2% (.EXE) Win64 Executable (generic) (10522/11/4)
12.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
5
# of downloads :
104
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
DBatLoader
Details
DBatLoader
a decrypted component, an egg, and a payload Sub-key
DBatLoader
if a parent component is present: a download URL or extracted component, configuration eggs, and configuration decryption key
Malware family:
ID:
1
File name:
RFQ-AB - 3167349 - 15.12.2025D.exe
Verdict:
Malicious activity
Analysis date:
2025-12-23 07:31:43 UTC
Tags:
rat remcos remote delphi stealer mpress tool

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
autorun delphi emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug borland_delphi fingerprint formbook horse installer-heuristic keylogger masquerade metastealer modiloader packed remcos unsafe virus
Verdict:
Adware
File Type:
exe x32
First seen:
2025-12-21T19:50:00Z UTC
Last seen:
2025-12-24T05:54:00Z UTC
Hits:
~10000
Detections:
Trojan-Spy.Win64.Agent.sb Trojan-Spy.Win32.Xegumumune.sbc Backdoor.Win32.Remcos.sb Backdoor.Win32.Agent.sb Trojan-PSW.Win32.Stealer.sb Trojan.Win64.Agent.sb HEUR:Trojan.Win32.Generic Exploit.Win32.BypassUAC.sb Backdoor.Win32.Remcos.f Backdoor.Win32.Remcos.e not-a-virus:HEUR:AdWare.Win32.Generic
Result
Threat name:
Remcos, DBatLoader
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Execution from Suspicious Folder
Sigma detected: Remcos
Sigma detected: Suspicious Program Location with Network Connections
Suricata IDS alerts for network traffic
Unusual module load detection (module proxying)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1838111 Sample: REVISED PURCHASE ORDER # PE... Startdate: 23/12/2025 Architecture: WINDOWS Score: 100 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 13 other signatures 2->41 7 REVISED PURCHASE ORDER # PEEE-AJ-GS-207-1R-2025.exe 3 2->7         started        11 rundll32.exe 3 2->11         started        process3 file4 29 C:\Users\Public\nvwgbjytN.exe, PE32 7->29 dropped 43 Writes to foreign memory regions 7->43 45 Allocates memory in foreign processes 7->45 47 Sample uses process hollowing technique 7->47 49 Allocates many large memory junks 7->49 13 nvwgbjytN.exe 2 3 7->13         started        18 schtasks.exe 1 7->18         started        20 Ntyjbgwvn.exe 11->20         started        signatures5 process6 dnsIp7 33 213.227.129.35, 443, 49713, 49714 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 13->33 31 C:\ProgramData\remcos\logs.dat, data 13->31 dropped 53 Detected unpacking (changes PE section rights) 13->53 55 Detected Remcos RAT 13->55 57 Detected unpacking (overwrites its own PE header) 13->57 65 6 other signatures 13->65 22 conhost.exe 13->22         started        24 conhost.exe 18->24         started        59 Writes to foreign memory regions 20->59 61 Allocates memory in foreign processes 20->61 63 Sample uses process hollowing technique 20->63 67 2 other signatures 20->67 26 nvwgbjytN.exe 20->26         started        file8 signatures9 process10 signatures11 51 Detected Remcos RAT 26->51
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-12-21 23:08:38 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost collection discovery execution persistence rat spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Executes dropped EXE
Reads user/profile data of web browsers
Detected Nirsoft tools
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
ModiLoader, DBatLoader
Modiloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
213.227.129.35:443
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0
YARA:
n/a
Unpacked files
SH256 hash:
a978b6f3e70e380384597e4a52f4b7ab04af36d55c4cb95d0e354b50aa3eaf73
MD5 hash:
c03dd408faf1db729a315caf22f39d8f
SHA1 hash:
516ff922646667aadaa0a65d17432dbb30b0723a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe a978b6f3e70e380384597e4a52f4b7ab04af36d55c4cb95d0e354b50aa3eaf73

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments