MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07. 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


AgentTesla


Vendor detections: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07
SHA3-384 hash: 0fdd131a64b545edb7b4947893c4997772b64acb29285c7bcc9b2ae75c3aba4acc395b4e785aeff83118d8c8541cb1ed
SHA1 hash: 5d4d4d03b0a78cb278a28d1fe6235a8ff3d59233
MD5 hash: 983943faa278ff496dd4f72a7dc5b033
humanhash: orange-paris-glucose-quebec
File name:Halkbank_Ekstre_20230718_080954_114612.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:638'976 bytes
First seen:2023-07-18 13:08:52 UTC
Last seen:2023-07-25 10:48:30 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 12288:C4gjFxNm1rC5X3NCCnCUJq6MO1HN/icGo2H+OOZjsGmVeD:VgcZAXdCC4611HN/i7o2MV
Threatray 5'014 similar samples on MalwareBazaar
TLSH T1CCD40283F7544BE1E4BD5B7180B6491107B73E1B8A95D20E9C98B9D90AF33A016A7F0F
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 009ac3cc91818183 (1 x AveMariaRAT, 1 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
283
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Halkbank_Ekstre_20230718_080954_114612.exe
Verdict:
Malicious activity
Analysis date:
2023-07-18 13:27:10 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/316c9461-2074-4392-94fc-a0d5edf67c88

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/423564/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Creating a window
Setting a keyboard event handler
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
Link:
https://www.filescan.io/uploads/64b68ef88be3f49cc38d94c4/reports/90962e61-3be8-4708-9ab6-48576fdc824b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/34628f95-4c1f-4207-8976-ca0d172245b6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1275215
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Drops PE files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Copy file to startup via Powershell
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1275215 Sample: Halkbank_Ekstre_20230718_08... Startdate: 18/07/2023 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Antivirus detection for dropped file 2->42 44 8 other signatures 2->44 7 Halkbank_Ekstre_20230718_080954_114612.exe 3 2->7         started        11 system.exe.exe 3 2->11         started        process3 file4 28 Halkbank_Ekstre_20...0954_114612.exe.log, ASCII 7->28 dropped 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->46 48 Bypasses PowerShell execution policy 7->48 50 Injects a PE file into a foreign processes 7->50 13 powershell.exe 13 7->13         started        17 Halkbank_Ekstre_20230718_080954_114612.exe 15 7 7->17         started        20 system.exe.exe 14 7 11->20         started        22 powershell.exe 3 11->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\...\system.exe.exe, PE32 13->30 dropped 32 C:\Users\...\system.exe.exe:Zone.Identifier, ASCII 13->32 dropped 52 Drops PE files to the startup folder 13->52 54 Powershell drops PE file 13->54 24 conhost.exe 13->24         started        34 discordapp.com 162.159.134.233, 443, 49690, 49691 CLOUDFLARENETUS United States 17->34 56 Installs a global keyboard hook 17->56 36 162.159.130.233, 443, 49695, 49696 CLOUDFLARENETUS United States 20->36 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->58 60 Tries to steal Mail credentials (via file / registry access) 20->60 62 Tries to harvest and steal browser information (history, passwords, etc) 20->62 26 conhost.exe 22->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-18 11:25:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 25 (88.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=evats4jd2n3q5ibtpmycx2sg6ooem2e3wrrsbcxuibww25w3vmdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0025fa6f194a33862ff4241a1fefed9477645cb36cb99e65d05b639b29dcdcdd
AgentTesla
4afc813a3653c61125093a1be3af978e112cdb889971d44810cb1b1b52a5dfb1
AgentTesla
5b4e06025a6cc4c4911a822a512a092e86dcf58134a84f57f03cf25b0f2b08c0
AgentTesla
73548862188e8c725343fd2453085ea5e8ad1b78649ac1d6d0e7df9bf308f8ce
AgentTesla
7a4d39a7259028f1b42a0eff7414a273057dc2b880108d3152c5b20e02c6a407
AgentTesla
d12b63b47e5dcbef8bd4e4665c4df9269e532df3c9b589c7c2b1ed81ef1eddab
AgentTesla
dfa11369db60fbe16a9b26b74db1537fb185888fe7a5ec2058ed88f7866a7f95
AgentTesla
ef30052ac363410d23b70490792ef58d8cb48be9803141003bd5b732ae2d4a31
AgentTesla
+ 5'004 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230718-qdvcmabd2t/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discordapp.com/api/webhooks/1130464961609617428/a6fsRuxfMv44DmqziAFbZarXeJ16WiYnjs4hAz4dKQmT54EelfS3ZunWG7eXL_OvDvcp
Unpacked files
SH256 hash:
0ec107234d7d9cbb0bc7325868c4473ceeb8886eb52475ec748920bfdffbd2f9
MD5 hash:
2e5382e9c1b1153e0522e9caf19d2386
SHA1 hash:
ea9e6d751f3bcff02905942d31a10ad8c64e6c7e
Link:
https://www.unpac.me/results/1474e10c-8c48-449a-bcc7-fb0c184d12bd/
SH256 hash:
50d9b1ea01c7af52cb65de5b356042aed4ba3d6967d005b9c8c1619a3a6fdc68
MD5 hash:
d6c92d72488b9d6bc2580ac25bce325a
SHA1 hash:
50dd3f6706ad9b78b3ebbe489aa1f236f7bed28c
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/1474e10c-8c48-449a-bcc7-fb0c184d12bd/
Parent samples :
d12b63b47e5dcbef8bd4e4665c4df9269e532df3c9b589c7c2b1ed81ef1eddab
5b4e06025a6cc4c4911a822a512a092e86dcf58134a84f57f03cf25b0f2b08c0
2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07
SH256 hash:
65e47578274d16be1be0f50767bad0af16930df43556dd23d7ad5e4adc2bcbe3
MD5 hash:
848b847cd19805d19235b5acb8ef2bef
SHA1 hash:
38100751a4ae45a143232cbacf9bb441b31fb211
Link:
https://www.unpac.me/results/1474e10c-8c48-449a-bcc7-fb0c184d12bd/
SH256 hash:
2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07
MD5 hash:
983943faa278ff496dd4f72a7dc5b033
SHA1 hash:
5d4d4d03b0a78cb278a28d1fe6235a8ff3d59233
Link:
https://www.unpac.me/results/1474e10c-8c48-449a-bcc7-fb0c184d12bd/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2541397123d3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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.

Malspam

AgentTesla

Executable exe 2541397123d3770ea0337b302bea46f39c46689bb463208af4406d6d76dbab07

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/423564/

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