MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f
SHA3-384 hash: db821a078de6c1cd569c9d1a6b6e10b6af05d97f69bfc79ee5a672c38d3d9571df323555165dd08c1295164019aa541b
SHA1 hash: 309753f7d1958224877b55a4aa57a8f32de0a0ba
MD5 hash: 3035a165d6e6114f6a736bf7752721cf
humanhash: montana-white-fix-glucose
File name:Garanti Bankası - Ödeme makbuzu 20231212.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:943'104 bytes
First seen:2023-12-13 11:24:29 UTC
Last seen:2023-12-13 13:24:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ypAE51cqBZRGhcDdiqoCD2dCzZqDNTSwWP5EJCuXtZi:ymU1LTRGhcsuIC1WNTnorudZi
TLSH T151152308365A9A0FEA7D47F6A8501A3023B17F15E787E9CC6DD020AFEA71F210B51977
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0c896b2b296e8f0 (19 x AgentTesla, 5 x Formbook, 2 x AsyncRAT)
Reporter abuse_ch
Tags:exe geo RAT RemcosRAT TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
321
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Garanti Bankası - Ödeme makbuzu 20231212.exe
Verdict:
Suspicious activity
Analysis date:
2023-12-13 11:30:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5f9cf33c-f656-4fbd-a899-f7591a96c0d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.32245.19603.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f
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/fc56b72a-d569-418e-a875-6d9a0af3daa5
Result
Threat name:
Remcos, zgRAT
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1361306
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to modify clipboard data
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
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
Sigma detected: Scheduled temp file as task from temp location
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)
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
Yara detected WebBrowserPassView password recovery tool
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1361306 Sample: Garanti_Bankas#U0131_-_#U00... Startdate: 13/12/2023 Architecture: WINDOWS Score: 100 50 igw.myfirewall.org 2->50 52 geoplugin.net 2->52 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 11 other signatures 2->68 8 Garanti_Bankas#U0131_-_#U00d6deme_makbuzu_20231212.exe 7 2->8         started        12 GujmNX.exe 5 2->12         started        signatures3 process4 file5 44 C:\Users\user\AppData\RoamingbehaviorgraphujmNX.exe, PE32 8->44 dropped 46 C:\Users\user\AppData\Local\Temp\tmp322.tmp, XML 8->46 dropped 70 Tries to steal Mail credentials (via file registry) 8->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 8->72 74 Contains functionality to modify clipboard data 8->74 82 2 other signatures 8->82 14 Garanti_Bankas#U0131_-_#U00d6deme_makbuzu_20231212.exe 3 15 8->14         started        19 powershell.exe 22 8->19         started        21 schtasks.exe 1 8->21         started        76 Contains functionality to bypass UAC (CMSTPLUA) 12->76 78 Contains functionalty to change the wallpaper 12->78 80 Machine Learning detection for dropped file 12->80 84 4 other signatures 12->84 23 schtasks.exe 1 12->23         started        25 GujmNX.exe 12->25         started        27 WMIADAP.exe 12->27         started        signatures6 process7 dnsIp8 54 igw.myfirewall.org 91.92.252.201, 2404, 49708, 49709 THEZONEBG Bulgaria 14->54 56 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 14->56 48 C:\ProgramData\outlook\logs.dat, data 14->48 dropped 58 Maps a DLL or memory area into another process 14->58 60 Installs a global keyboard hook 14->60 29 Garanti_Bankas#U0131_-_#U00d6deme_makbuzu_20231212.exe 1 14->29         started        32 Garanti_Bankas#U0131_-_#U00d6deme_makbuzu_20231212.exe 14->32         started        34 Garanti_Bankas#U0131_-_#U00d6deme_makbuzu_20231212.exe 2 14->34         started        42 3 other processes 14->42 36 conhost.exe 19->36         started        38 conhost.exe 21->38         started        40 conhost.exe 23->40         started        file9 signatures10 process11 signatures12 86 Tries to steal Instant Messenger accounts or passwords 29->86 88 Tries to steal Mail credentials (via file / registry access) 29->88 90 Tries to harvest and steal browser information (history, passwords, etc) 32->90
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-13 11:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2qdad4aiszzf26b3v4lhb6yorocvcsnz2sdr2iv3jxp5rcyhu2hq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/231213-nh9xrsbhem/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/c0061a17-4a9f-4284-a154-76b542c75a02/
SH256 hash:
a2eb878fc34e3c6cfa3ba3bd04e2df74841d1f8a4109395b0f49b86aae3b90a5
MD5 hash:
7e688e73711a856ed5b7fa3463170440
SHA1 hash:
ce2638d8d774a672161f4492dcbbd233f89911ad
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
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/c0061a17-4a9f-4284-a154-76b542c75a02/
Parent samples :
d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f
6234e49bf7956d3dcceda1ef8e631c3794df29a6a29afa2e2a1dfa18abbd1153
7c81d05dd82233e0278c83ca0b1a3b3ad9f0fa4b8b56bef98bba964752369754
SH256 hash:
c811e10553bda336c205a40dcc4c0e6fbca44139dc37ca63d6072426992d2c44
MD5 hash:
123e9bcbb131ee0ac2ccf0fd3db068d8
SHA1 hash:
8d77be18c4836b0d987670c7e216445d9e60ef63
Link:
https://www.unpac.me/results/c0061a17-4a9f-4284-a154-76b542c75a02/
SH256 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
Link:
https://www.unpac.me/results/c0061a17-4a9f-4284-a154-76b542c75a02/
SH256 hash:
d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f
MD5 hash:
3035a165d6e6114f6a736bf7752721cf
SHA1 hash:
309753f7d1958224877b55a4aa57a8f32de0a0ba
Link:
https://www.unpac.me/results/c0061a17-4a9f-4284-a154-76b542c75a02/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d40601f00896/report/overview.html
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/d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

Executable exe d40601f00896725d783baf1670fb0e8b855149b9d4871d22bb4ddfd88b07a68f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments