MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
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SHA256 hash: a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec
SHA3-384 hash: 7095bafe4a595f881e8f097598094a960a18d0e5ff699754245937d5e652e2fd9e02656794c0056becc27b023bcbbc04
SHA1 hash: f2783677b1bcc4e8f36492cb7068549d05e9aeb3
MD5 hash: 085d3471e880c5f53fd98df14ccc23e7
humanhash: iowa-one-lamp-december
File name:british.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'424'384 bytes
First seen:2024-01-22 19:43:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:4qDEvCTbMWu7rQYlBQcBiT6rprG8afoe6b29pfUrMPLe5Z:4TvC/MTQYxsWR7afh6a9mrMS
TLSH T15065D0027391D062FFAB92334F96F6114BBC6A260123E61F13981D79BE705B1563E7A3
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f1f3d331e3d82cd7 (1 x RemcosRAT)
Reporter adm1n_usa32
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
350
Origin country :
RO RO
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/472381/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin packed remcos shell32
Link:
https://www.filescan.io/uploads/65aec584eda27a7ac1ff5392/reports/fdf81bb6-321e-4efd-afb1-2809d2bf3898/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec
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:
LockBit Ransomware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8aa48daf-40c8-40e8-acfe-8284e4ce9268
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1379030
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
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 submitted file
Sigma detected: Drops script at startup location
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
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: 1379030 Sample: british.exe Startdate: 22/01/2024 Architecture: WINDOWS Score: 100 36 geoplugin.net 2->36 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 10 other signatures 2->56 8 british.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\name.exe, PE32 8->30 dropped 66 Binary is likely a compiled AutoIt script file 8->66 68 Found API chain indicative of sandbox detection 8->68 14 name.exe 3 18 8->14         started        70 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->70 19 name.exe 2 12->19         started        signatures6 process7 dnsIp8 38 107.174.138.159, 1900, 49713, 49714 AS-COLOCROSSINGUS United States 14->38 40 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 14->40 32 C:\Users\user\AppData\Roaming\...\name.vbs, data 14->32 dropped 34 C:\ProgramData\remcos\logs.dat, data 14->34 dropped 42 Antivirus detection for dropped file 14->42 44 Contains functionality to bypass UAC (CMSTPLUA) 14->44 46 Binary is likely a compiled AutoIt script file 14->46 48 11 other signatures 14->48 21 name.exe 1 14->21         started        24 name.exe 1 14->24         started        26 name.exe 2 14->26         started        28 name.exe 14->28         started        file9 signatures10 process11 signatures12 58 Binary is likely a compiled AutoIt script file 21->58 60 Tries to steal Instant Messenger accounts or passwords 21->60 62 Tries to harvest and steal browser information (history, passwords, etc) 21->62 64 Tries to steal Mail credentials (via file / registry access) 24->64
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-22 02:18:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ufknz2mutlihqzcb3ah6wnqvtyizpxcf22zbahkygg77uw6en7wa._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240122-yfswkscfdn/
Behaviour
Suspicious use of WriteProcessMemory
AutoIT Executable
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
4ecb6f964cd2dd6fb8b0326cce29884f5ddd1b9a703984eb4b59e42106e7b8f7
MD5 hash:
3490e76dcce0cb436f0e9d807b355671
SHA1 hash:
2b1b5c46a04e4c9465319accd1a33b266eddb4df
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/c3f133cf-00cb-4514-8041-a48bdcd37935/
Parent samples :
a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec
2bd5ab52fbb3957e4ec4b1c7bb5368548d9b8a2672ea9b0ff43d896801ae8337
SH256 hash:
a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec
MD5 hash:
085d3471e880c5f53fd98df14ccc23e7
SHA1 hash:
f2783677b1bcc4e8f36492cb7068549d05e9aeb3
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/c3f133cf-00cb-4514-8041-a48bdcd37935/
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/a154dce9949ad0786441d80feb36159e1197dc45d6b2101d5831bffa5bc46fec

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/472381/

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