MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8. 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: 16


Intelligence 16 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8
SHA3-384 hash: 24e1aa1333f76ed9e80034497b51c9c9d454f5bfe7096bb3ff27280a5b58fc323abe1bb5022b1ad6928ece2423ec25d9
SHA1 hash: 8111cc21c3fcd1ea98e398e92f190ce98769f3e5
MD5 hash: e4df9a487d5c234c9bf5d406596404bf
humanhash: lima-fanta-fillet-hotel
File name:Ziraat Bankası Swift Mesaji2.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'125'896 bytes
First seen:2024-04-28 08:58:56 UTC
Last seen:2024-04-28 09:31:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:sfPjKr5BNDRLpxLMD/wc2IUbvYuWtu0uSJ6fd9tOF3kF:uk5BN9TLlLIx5truxf5IUF
Threatray 3'942 similar samples on MalwareBazaar
TLSH T14D352312BE2CA25BC1B08AF5C4B887695F767541EA34D1D90E93744FEAF3B40CA0925F
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon c0d0b6ca8a8ad2a2 (3 x RemcosRAT, 1 x AgentTesla)
Reporter abuse_ch
Tags:bat exe geo RAT RemcosRAT TUR ZiraatBank

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8.exe
Verdict:
Malicious activity
Analysis date:
2024-04-28 09:08:02 UTC
Tags:
rat remcos remote evasion keylogger
Link:
https://app.any.run/tasks/78c3b8d5-5ddc-4c60-b872-8e08ee9a48ac

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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)
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/db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8
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/268eea0f-0650-4d1b-9761-ebbfac077436
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1432811
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 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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1432811 Sample: Ziraat Bankas#U0131 Swift M... Startdate: 28/04/2024 Architecture: WINDOWS Score: 100 41 sembe.duckdns.org 2->41 43 geoplugin.net 2->43 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 57 15 other signatures 2->57 8 TGSbzeKpGKpZ.exe 5 2->8         started        11 Ziraat Bankas#U0131 Swift Mesaji2.bat.exe 7 2->11         started        signatures3 55 Uses dynamic DNS services 41->55 process4 file5 59 Multi AV Scanner detection for dropped file 8->59 61 Contains functionality to bypass UAC (CMSTPLUA) 8->61 63 Contains functionalty to change the wallpaper 8->63 69 5 other signatures 8->69 14 TGSbzeKpGKpZ.exe 8->14         started        17 schtasks.exe 1 8->17         started        37 C:\Users\user\AppData\...\TGSbzeKpGKpZ.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpDBC4.tmp, XML 11->39 dropped 65 Adds a directory exclusion to Windows Defender 11->65 67 Injects a PE file into a foreign processes 11->67 19 Ziraat Bankas#U0131 Swift Mesaji2.bat.exe 3 15 11->19         started        23 powershell.exe 23 11->23         started        25 schtasks.exe 1 11->25         started        signatures6 process7 dnsIp8 27 conhost.exe 17->27         started        45 sembe.duckdns.org 194.187.251.115, 14645, 49711 M247GB United Kingdom 19->45 47 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 19->47 35 C:\Users\user\AppData\Local\Temp\...\nots.dat, data 19->35 dropped 71 Detected Remcos RAT 19->71 73 Installs a global keyboard hook 19->73 75 Loading BitLocker PowerShell Module 23->75 29 WmiPrvSE.exe 23->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-04-26 13:11:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ob34ofm6j6yja2nubk5k4ealsdrb67pe4pie7fiuzc3tcohbpua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11db56471fe5f1c245d9fa8f6cfb9a86bd2aeb444c38cfd1c8ef159ec539c065
RemcosRAT
d334afd3da3c629abf0772c5be572d1d7b252b9a1ad2fae0e1809d04635f3e4b
RemcosRAT
ecad62ef8415885ac40c6e3889e323293599d9ed531fe62d77e1488c925650d5
RemcosRAT
efbde8c3fc0f8f18b6b2c93fae4c7aaaa137f866a9d112ebdc534b8477485261
RemcosRAT
+ 3'932 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240428-kxq7escd4v/
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
Unpacked files
SH256 hash:
34c55c091dc72bec90f03989f7af9c93878c5932136be0dd95e3c8540a156495
MD5 hash:
c3548dfe77317db7f0d5c33014fa8ae2
SHA1 hash:
ec82c3576af1272869b46ffcc34b260943138875
Link:
https://www.unpac.me/results/35d4bbaf-781a-480b-abb8-c321b1f22529/
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/35d4bbaf-781a-480b-abb8-c321b1f22529/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
SH256 hash:
a3de65d9607fa28995b6d60b0ad501d36107454865c7a74e8121ec11320ae565
MD5 hash:
7dfefede4d4b4d15fe2c4d83996e9e1a
SHA1 hash:
62e0258f0a8d23d17225ff7ad0b304ab12a9fd6a
Link:
https://www.unpac.me/results/35d4bbaf-781a-480b-abb8-c321b1f22529/
SH256 hash:
1ac973018ba8364d23edb3b6b5d262b4cad214e54de48bbf0c8b2aafad3f248f
MD5 hash:
80f5b85ee5d79f166a66a2318e06cd3d
SHA1 hash:
4c4f13392d0b6bd6e115328c15ba937e266039fa
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/35d4bbaf-781a-480b-abb8-c321b1f22529/
Parent samples :
db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8
1ac973018ba8364d23edb3b6b5d262b4cad214e54de48bbf0c8b2aafad3f248f
6703df15130444806d68473d071445cfe26efb0570f06df656711a74d18264f6
7f925d4a0830c62f1b2a249a4dff90aaa763eef16de42675776f2010d57c4909
470fcfd9431f3542f2d2f1fdea50ac81da0b826bc63bdedc262322100e1ef72a
SH256 hash:
db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8
MD5 hash:
e4df9a487d5c234c9bf5d406596404bf
SHA1 hash:
8111cc21c3fcd1ea98e398e92f190ce98769f3e5
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/35d4bbaf-781a-480b-abb8-c321b1f22529/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/db83be38acf2/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/db83be38acf27d84834da055d570805c8710fbef271e827ca8a645b989c70be8

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
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.

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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