MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7. 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 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7
SHA3-384 hash: 2089c6da9dbfeea234fde3b792fe959370e162b2e73dd56a5f7c58ed9237c31c2cbf552948ddcbeae5fc9f0e9f4e619e
SHA1 hash: fcbda98feb1d419e0a34b7cb048952a83517e6a3
MD5 hash: b11bbc6c3ae4709fa22dd8d9a33bfeac
humanhash: steak-virginia-thirteen-uniform
File name:B11BBC6C3AE4709FA22DD8D9A33BFEAC.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'146'880 bytes
First seen:2024-08-23 23:00:29 UTC
Last seen:2024-08-24 00:19:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1887aa92af480b1f96d3e4e3de8f56cc (1 x RemcosRAT)
ssdeep 24576:Rw/vqi/VUNCMyv976OS3Aq3BT6nbvNox4vrY1rbpps8Gs:Rw7VDLXSwsBT6nbVols8Gs
TLSH T14F35BE31D3830722F07847F99CCEB7DA960A76346754B523EBC9599C4BE26C1F46AA03
TrID 59.1% (.EXE) InstallShield setup (43053/19/16)
14.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win32 Executable (generic) (4504/4/1)
2.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
File icon (PE):PE icon
dhash icon f4b4d4d4c4d0d4c4 (3 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
94.154.37.219:3942

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
94.154.37.219:3942 https://threatfox.abuse.ch/ioc/1315463/

Intelligence

File Origin
# of uploads :
3
# of downloads :
451
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
B11BBC6C3AE4709FA22DD8D9A33BFEAC.exe
Verdict:
Malicious activity
Analysis date:
2024-08-23 23:03:49 UTC
Tags:
rat remcos evasion stealer keylogger mpress
Link:
https://app.any.run/tasks/f96cdbae-543d-42e4-9c11-a3b563315397

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen29.22628.29462.15035.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c914b3b2a4681a7296866f
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
borland_delphi fingerprint keylogger
Link:
https://www.filescan.io/uploads/66c914b20f919759592a0730/reports/dc6495c8-6f6f-44b8-ba90-ab85e18ff071/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5ed1b2c1-1856-4561-b292-da1e0f45d907
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1498316
Signature
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 check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
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
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Early bird code injection technique detected
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Suricata IDS alerts for network traffic
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)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1498316 Sample: RxKQUVBxz5.exe Startdate: 24/08/2024 Architecture: WINDOWS Score: 100 68 newsletter208.home-webserver.de 2->68 70 geoplugin.net 2->70 72 2 other IPs or domains 2->72 82 Suricata IDS alerts for network traffic 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 12 other signatures 2->88 9 RxKQUVBxz5.exe 1 6 2->9         started        14 Anncarsb.PIF 2->14         started        16 Anncarsb.PIF 2->16         started        signatures3 process4 dnsIp5 78 drive.usercontent.google.com 142.250.186.33, 443, 49706 GOOGLEUS United States 9->78 80 drive.google.com 216.58.206.78, 443, 49704, 49705 GOOGLEUS United States 9->80 60 C:\Users\Public\Libraries\bsracnnA.cmd, DOS 9->60 dropped 62 C:\Users\Public\Libraries\Anncarsb, data 9->62 dropped 64 C:\Users\Public\Anncarsb.url, MS 9->64 dropped 104 Early bird code injection technique detected 9->104 106 Writes to foreign memory regions 9->106 108 Allocates memory in foreign processes 9->108 116 2 other signatures 9->116 18 SndVol.exe 3 16 9->18         started        23 cmd.exe 1 9->23         started        25 esentutl.exe 2 9->25         started        110 Multi AV Scanner detection for dropped file 14->110 112 Machine Learning detection for dropped file 14->112 114 Injects a PE file into a foreign processes 14->114 27 colorcpl.exe 14->27         started        29 colorcpl.exe 16->29         started        file6 signatures7 process8 dnsIp9 74 newsletter208.home-webserver.de 94.154.37.219, 3942, 49707, 49708 DINET-ASRU Ukraine 18->74 76 geoplugin.net 178.237.33.50, 49709, 80 ATOM86-ASATOM86NL Netherlands 18->76 52 C:\ProgramData\remcos\logs.dat, data 18->52 dropped 90 Contains functionality to bypass UAC (CMSTPLUA) 18->90 92 Detected Remcos RAT 18->92 94 Tries to steal Mail credentials (via file registry) 18->94 102 5 other signatures 18->102 31 SndVol.exe 1 18->31         started        34 SndVol.exe 1 18->34         started        36 SndVol.exe 2 18->36         started        38 esentutl.exe 2 23->38         started        41 alpha.pif 1 23->41         started        43 esentutl.exe 2 23->43         started        47 6 other processes 23->47 54 C:\Users\Public\Libraries\Anncarsb.PIF, PE32 25->54 dropped 45 conhost.exe 25->45         started        96 Contains functionalty to change the wallpaper 27->96 98 Contains functionality to steal Chrome passwords or cookies 27->98 100 Contains functionality to steal Firefox passwords or cookies 27->100 file10 signatures11 process12 file13 118 Tries to steal Instant Messenger accounts or passwords 31->118 120 Tries to steal Mail credentials (via file / registry access) 31->120 122 Tries to harvest and steal browser information (history, passwords, etc) 34->122 56 C:\Users\Public\alpha.pif, PE32 38->56 dropped 124 Drops PE files to the user root directory 38->124 126 Drops PE files with a suspicious file extension 38->126 128 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 38->128 49 xpha.pif 1 41->49         started        58 C:\Users\Public\xpha.pif, PE32 43->58 dropped signatures14 process15 dnsIp16 66 127.0.0.1 unknown unknown 49->66
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-17 02:14:00 UTC
File Type:
PE (Exe)
Extracted files:
49
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ticfzhezduorgvuhsmp5snrdme22twasvgyqfeuecffgmh2euktq._file
Verdict:
malicious
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader collection credential_access discovery persistence stealer trojan
Link:
https://tria.ge/reports/240823-2zjc2asbrf/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
Credentials from Password Stores: Credentials from Web Browsers
ModiLoader Second Stage
ModiLoader, DBatLoader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e955c054-0046-4952-91a6-80496646c93f
Unpacked files
SH256 hash:
9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7
MD5 hash:
b11bbc6c3ae4709fa22dd8d9a33bfeac
SHA1 hash:
fcbda98feb1d419e0a34b7cb048952a83517e6a3
Detections:
DbatLoaderStage1
Create hunting rule
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/40a94cc3-548e-4e06-9f07-d1de0a0fb2f9/
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/9a045c9c991d1d135687931fd936236135a9d812a9b1029284114a661f44a2a7

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
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Create hunting rule
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
Create hunting rule
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.

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

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