MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88e06b037f0a779dce49389c9f1e028b8aee5a2f258e4a6e34c53d331dd438ac. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
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SHA256 hash: 88e06b037f0a779dce49389c9f1e028b8aee5a2f258e4a6e34c53d331dd438ac
SHA3-384 hash: 3042c15455c58dfc1c3e58e3b7e349be1075e33f5fca91ad454ff99cbaf17950fc6e0c477a15558daaa228e9ad78025f
SHA1 hash: 05ef76e825494cfd27bb244fc4676577cbd4c26c
MD5 hash: 997e9dee32f310ff10617cd6b459f0d8
humanhash: november-comet-north-ohio
File name:Ziraat Bankas Swift Mesaj.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:65'344 bytes
First seen:2022-11-01 19:27:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:E0Uj4B+6rOqTaSErl95UpVD6lbCNc5UEy67HMbswkyJ/UILOtlCX/XGqmd98NMYk:3S5ColbCNN6jMI2MtlCXOqnNMyTixPd
Threatray 2'900 similar samples on MalwareBazaar
TLSH T14753B4897600B5CFC817C972CEE92C249BA878735317C217A487369C9A1D7DB8F261F6
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter abuse_ch
Tags:exe geo RemcosRAT TUR ZiraatBank

Intelligence

File Origin
# of uploads :
1
# of downloads :
344
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Ziraat Bankas Swift Mesaj.exe
Verdict:
Malicious activity
Analysis date:
2022-11-01 19:29:14 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/a8b30e03-d37f-4576-8e3d-0e0b16a90138

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/326884/
Detection(s):
SecuriteInfo.com.UntrustedCertificate.Aichost.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Launching a process
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed packed
Link:
https://www.filescan.io/uploads/6361734400b65b1cd8a8107e/reports/aba891e6-69a7-4538-be93-3f2d0b258a7e/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a0b69901-be43-4a59-8a1f-67c21772667b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102745
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Snort IDS alert for network traffic
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735406 Sample: Ziraat Bankas Swift Mesaj.exe Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 75 mdec.nelreports.net 2->75 77 www.google.com 2->77 79 8 other IPs or domains 2->79 97 Snort IDS alert for network traffic 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 Antivirus / Scanner detection for submitted sample 2->101 103 8 other signatures 2->103 11 Ziraat Bankas Swift Mesaj.exe 15 5 2->11         started        signatures3 process4 dnsIp5 95 tgc8x.tk 50.115.174.192, 443, 49707 VIRPUS United States 11->95 71 C:\ProgramData\eurob.exe, PE32 11->71 dropped 73 C:\...\Ziraat Bankas Swift Mesaj.exe.log, CSV 11->73 dropped 15 eurob.exe 1 11->15         started        file6 process7 signatures8 111 Antivirus detection for dropped file 15->111 113 Multi AV Scanner detection for dropped file 15->113 115 Machine Learning detection for dropped file 15->115 117 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 15->117 18 RegSvcs.exe 3 17 15->18         started        23 powershell.exe 8 15->23         started        25 RegSvcs.exe 15->25         started        process9 dnsIp10 81 45.137.22.236, 49710, 5890 ROOTLAYERNETNL Netherlands 18->81 83 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 18->83 69 C:\ProgramData\remcos\logs.dat, data 18->69 dropped 105 Writes to foreign memory regions 18->105 107 Maps a DLL or memory area into another process 18->107 109 Installs a global keyboard hook 18->109 27 svchost.exe 13 18->27         started        29 svchost.exe 18->29         started        31 svchost.exe 18->31         started        33 svchost.exe 18->33         started        35 conhost.exe 23->35         started        file11 signatures12 process13 process14 37 chrome.exe 14 1 27->37         started        40 chrome.exe 27->40         started        42 conhost.exe 27->42         started        44 chrome.exe 29->44         started        46 chrome.exe 29->46         started        48 conhost.exe 29->48         started        50 chrome.exe 31->50         started        52 2 other processes 31->52 54 2 other processes 33->54 dnsIp15 85 192.168.2.1 unknown unknown 37->85 87 239.255.255.250 unknown Reserved 37->87 56 chrome.exe 37->56         started        59 chrome.exe 40->59         started        61 chrome.exe 44->61         started        63 chrome.exe 46->63         started        65 chrome.exe 50->65         started        67 chrome.exe 52->67         started        process16 dnsIp17 89 part-0032.t-0009.fbs1-t-msedge.net 13.107.219.60, 443, 49724, 49873 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 56->89 91 part-0032.t-0009.t-msedge.net 13.107.246.60, 443, 49725, 49746 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 56->91 93 9 other IPs or domains 56->93
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88e06b037f0a779dce49389c9f1e028b8aee5a2f258e4a6e34c53d331dd438ac/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-11-01 11:58:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rdqgwa37bj3z3tsjhcoj6hqcrofo4wrpewheu3ruyu6tghouhcwa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a
RemcosRAT
47dabe278b8a171986b17e69ac9fac43657c11eb3c2c1523848074e0cfe6a57f
RemcosRAT
89adcb90dcc56d8e5b6cab4fce35a7ea8619ed9d47a5a947aaf4f34cb42c5021
RemcosRAT
8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
b45dbf75dd0de5a62cb362bcc26b59cdd6a7adae8a74c71c30e7db9c36b20265
RemcosRAT
e7a7431b7c5f7d73f80f8474e5d62a3620a639c762ea78b0266ff867c048a153
RemcosRAT
fe800049d4ece336205fd83c50c747fc4f7f18e4cb2f2e80f37d0ec1700166d1
RemcosRAT
+ 2'890 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost brand:microsoft persistence phishing rat
Link:
https://tria.ge/reports/221101-x6mxksedf6/
Behaviour
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Downloads MZ/PE file
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
45.137.22.236:5890
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e88c185b-2594-46cb-84ad-c9913545d349
Unpacked files
SH256 hash:
88e06b037f0a779dce49389c9f1e028b8aee5a2f258e4a6e34c53d331dd438ac
MD5 hash:
997e9dee32f310ff10617cd6b459f0d8
SHA1 hash:
05ef76e825494cfd27bb244fc4676577cbd4c26c
Link:
https://www.unpac.me/results/68bad439-4652-48e9-85a8-d7f4e3a56ec0/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/88e06b037f0a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/88e06b037f0a779dce49389c9f1e028b8aee5a2f258e4a6e34c53d331dd438ac

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/326884/

Comments