MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21. 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: 15


Intelligence 15 IOCs YARA 14 File information Comments
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SHA256 hash: f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21
SHA3-384 hash: d68fea84b58dd7784777a064d57889e6a0d340e5d2fbd81def6d33bfa422104673853a5dbc89e6c07fd868ef4d8bfa83
SHA1 hash: 8bf9df7090f6d82950bc95222ff5dda97a83d522
MD5 hash: af1312402549634438799c9929c6b6b0
humanhash: cardinal-kansas-lake-uranus
File name:TENDER #2023 12.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:676'352 bytes
First seen:2023-12-08 10:04:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:qhkZ5lntswim4c4wxLVEXir8gtx+wdUd++Wnf6D+:qK/Vim4ZJO+wdk+W+
TLSH T144E4231437D853A6E1BACFFA0026801097757D7A19BEE90D9C8330CE256BF4357A1B5B
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) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/463528/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20231208-0234.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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6572ea4e18cffa73b1de78ec/reports/26db420c-e9a5-4cdc-94a9-daf9abccb7b6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21
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/ae33ef02-e559-4f73-8c6b-d21f5a2a7023
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1356106
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1356106 Sample: TENDER_#2023_12.exe Startdate: 08/12/2023 Architecture: WINDOWS Score: 100 40 mail.dayanbiotech.ir 2->40 42 dayanbiotech.ir 2->42 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 8 TENDER_#2023_12.exe 7 2->8         started        12 IkEOxXDtbfjlD.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\IkEOxXDtbfjlD.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp407C.tmp, XML 8->38 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 60 Injects a PE file into a foreign processes 8->60 14 TENDER_#2023_12.exe 2 8->14         started        18 powershell.exe 22 8->18         started        20 schtasks.exe 1 8->20         started        62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 22 IkEOxXDtbfjlD.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        26 IkEOxXDtbfjlD.exe 12->26         started        28 IkEOxXDtbfjlD.exe 12->28         started        signatures6 process7 dnsIp8 44 dayanbiotech.ir 5.9.154.209, 49707, 49710, 587 HETZNER-ASDE Germany 14->44 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 34 conhost.exe 24->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-07 19:19:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6gbizfy5melsgpfnyjgbmyp47muxemr45paaccxiub4kapkzhuqq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231208-l4hdjaae55/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
96c484e3460ba35be66e9a5ff9f3ca2a11692f36ba6d11cd6d75b0bbdc3b83b7
MD5 hash:
6c45f8a7142f6a1723f6580cae0455ae
SHA1 hash:
d5272dc1974bca0fa16bc710af69209ce113fb5f
Link:
https://www.unpac.me/results/24fb3d69-3277-4061-9ed5-9ccd3e762cca/
SH256 hash:
1f0d0d09d0beb63bbf7d328e7c1556461932c0c92472afe190fb350951fc25fa
MD5 hash:
84db4d9a566a7e539062892a9583d1ef
SHA1 hash:
645b9242b111ea60fc75357f9c040df2476a1bdc
Link:
https://www.unpac.me/results/24fb3d69-3277-4061-9ed5-9ccd3e762cca/
SH256 hash:
98dc751418fa777fd0e53a7a54351e92a1c070fd7f7173f7022843e493879c23
MD5 hash:
7cef1727384b93f71bde749261850750
SHA1 hash:
326f7b0a692bf240d260cd18fbb2a70fb6ec2961
Link:
https://www.unpac.me/results/24fb3d69-3277-4061-9ed5-9ccd3e762cca/
SH256 hash:
a430cb74b825c37c7770b7fbd4cdaeed58fc886728f2b9df6ba4e09a32867a22
MD5 hash:
30487fb9d24e183177a825f121a38d84
SHA1 hash:
20adc3f40c2dc77045d9beb57a0ed14047b033d0
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/24fb3d69-3277-4061-9ed5-9ccd3e762cca/
Parent samples :
f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21
bfa9ee3b5a985b9a9a3d5df7d691a1f2fa14334d800331310033d37d3ed2ba8b
072f05b55145149f942e928d7ca651f65cbd751f89af911ddc6784dc7addc046
SH256 hash:
f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21
MD5 hash:
af1312402549634438799c9929c6b6b0
SHA1 hash:
8bf9df7090f6d82950bc95222ff5dda97a83d522
Link:
https://www.unpac.me/results/24fb3d69-3277-4061-9ed5-9ccd3e762cca/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f1828c971d61/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/f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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: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 f1828c971d6117233cadc24c1661fcfb2972323cebc0010ae8a078a03d593d21

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/463528/

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