MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97bfcff96649c0731ae7c4f1f34b8ffcaaa2b61b1f68d8c09739177414a3823a. 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

SHA256 hash: 97bfcff96649c0731ae7c4f1f34b8ffcaaa2b61b1f68d8c09739177414a3823a
SHA3-384 hash: 32369970d096e602208ec9ef3fcc2ae7b178a653b8bb539baae1ed2cd1c231f3869e01d24eed816b6a7783c4044a5dd7
SHA1 hash: dc993983e9b2af29a5dd5a52102faa34fff75581
MD5 hash: edee74dd2f789a8cfd609f7101550ed8
humanhash: mango-alaska-skylark-seven
File name:Document.exe
Download: download sample
Signature RemcosRAT
File size:874'498 bytes
First seen:2023-02-22 11:10:18 UTC
Last seen:2023-02-22 12:55:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a3d9f92584659c30b97f5fa80eb2564f (2 x RemcosRAT)
ssdeep 12288:kdX/1IsWLUn85Ru7HGCNIHKI0lnsZwjPc8KD5It:kRNgUn8ru7HGTqIMpwD5It
Threatray 1'696 similar samples on MalwareBazaar
TLSH T143059D1BFA510D77C8F21A3A1F0F73A5642A7E202D25A80A37D17E8E5F396513B76207
TrID 44.6% (.EXE) InstallShield setup (43053/19/16)
14.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
13.5% (.SCR) Windows screen saver (13097/50/3)
10.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30828c988c868830 (2 x RemcosRAT)
Reporter madjack_red
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
219
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Document.exe
Verdict:
Malicious activity
Analysis date:
2023-02-22 11:44:25 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Searching for the window
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
67%
Tags:
keylogger overlay
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.
Result
Threat name:
Remcos, DBatLoader
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Found stalling execution ending in API Sleep call
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813345 Sample: Document.exe Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 7 other signatures 2->56 7 Document.exe 1 17 2->7         started        12 Embnmujk.exe 2->12         started        process3 dnsIp4 34 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49695 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->34 36 web.fe.1drv.com 7->36 38 3 other IPs or domains 7->38 28 C:\Users\Public\Librariesmbnmujk.exe, PE32 7->28 dropped 30 C:\Users\...mbnmujk.exe:Zone.Identifier, ASCII 7->30 dropped 64 Writes to foreign memory regions 7->64 66 Allocates memory in foreign processes 7->66 68 Creates a thread in another existing process (thread injection) 7->68 70 Injects a PE file into a foreign processes 7->70 14 colorcpl.exe 4 3 7->14         started        72 Multi AV Scanner detection for dropped file 12->72 74 Machine Learning detection for dropped file 12->74 19 colorcpl.exe 12->19         started        file5 signatures6 process7 dnsIp8 40 services11.accesscam.org 192.188.88.248, 2404, 49697, 49698 UNREAL-SERVERSUS Canada 14->40 32 C:\Users\user\AppData\Roaming\...\logs.dat, data 14->32 dropped 42 Found stalling execution ending in API Sleep call 14->42 44 Contains functionality to steal Chrome passwords or cookies 14->44 46 Contains functionality to inject code into remote processes 14->46 48 3 other signatures 14->48 21 colorcpl.exe 1 14->21         started        24 colorcpl.exe 2 14->24         started        26 colorcpl.exe 14->26         started        file9 signatures10 process11 signatures12 58 Tries to steal Instant Messenger accounts or passwords 21->58 60 Tries to steal Mail credentials (via file / registry access) 21->60 62 Tries to harvest and steal browser information (history, passwords, etc) 24->62
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-02-22 07:47:56 UTC
File Type:
PE (Exe)
Extracted files:
74
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Unpacked files
SH256 hash:
4682349d95a915780d239aae771d26869576b7c77efb983608b3907c83bdc7c6
MD5 hash:
df0cb93015884d62e4d550b1aca736d0
SHA1 hash:
1b5cef77fe197658b5179c4856a455fa81ae472a
Detections:
win_dbatloader_g1
Parent samples :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 hash:
97bfcff96649c0731ae7c4f1f34b8ffcaaa2b61b1f68d8c09739177414a3823a
MD5 hash:
edee74dd2f789a8cfd609f7101550ed8
SHA1 hash:
dc993983e9b2af29a5dd5a52102faa34fff75581
Detections:
DbatLoaderStage1
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:CMD_Ping_Localhost
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Comments