MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db. 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: 11


Intelligence 11 IOCs YARA 17 File information Comments
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SHA256 hash: 538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db
SHA3-384 hash: 53819050ee9833385d097c4b5b06d84f84348dc52eaf25705d4568f18ad5ce9f81a61f312a43be6341e2c9d9ef187de3
SHA1 hash: e3355dd0369bfaa9eb66607c1e10c5679b1048da
MD5 hash: e2c350e80fa9792ff4757b2336dccdb3
humanhash: august-hawaii-stairway-hawaii
File name:sipariş.exe
Download: download sample
Signature AgentTesla
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File size:830'464 bytes
First seen:2024-01-31 11:10:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:5gEUBUjzNSG9NgUmTR8OUsFnlahMcYkDsDkIqB:5gE7jz1gUQR8UuDsDkIqB
TLSH T12205CF46B7124AA2C7956735C5BB5701C750EABAA2A3E30763CA66F624033FF1F80753
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)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
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Win.Trojan.EmbeddedReversedDLL-9940922-0
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Win.Trojan.Generic-10014419-0
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Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0ccaebff-31d2-4af2-a16a-abb9cea50e11
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1384023
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 ipconfig to lookup or modify the Windows network settings
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384023 Sample: sipari#U015f.exe Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 33 mail.hesagirnakliyat.com 2->33 35 hesagirnakliyat.com 2->35 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 12 other signatures 2->45 8 sipari#U015f.exe 2 2->8         started        signatures3 process4 signatures5 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->47 49 Encrypted powershell cmdline option found 8->49 51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->51 53 Injects a PE file into a foreign processes 8->53 11 sipari#U015f.exe 2 8->11         started        15 powershell.exe 19 8->15         started        17 cmd.exe 1 8->17         started        19 cmd.exe 1 8->19         started        process6 dnsIp7 37 hesagirnakliyat.com 104.247.162.35, 49703, 587 ASN-QUADRANET-GLOBALUS United States 11->37 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->55 57 Tries to steal Mail credentials (via file / registry access) 11->57 59 Tries to harvest and steal browser information (history, passwords, etc) 11->59 61 Installs a global keyboard hook 11->61 63 Potential dropper URLs found in powershell memory 15->63 21 WmiPrvSE.exe 15->21         started        23 conhost.exe 15->23         started        65 Uses ipconfig to lookup or modify the Windows network settings 17->65 25 conhost.exe 17->25         started        27 ipconfig.exe 1 17->27         started        29 conhost.exe 19->29         started        31 ipconfig.exe 1 19->31         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-01-31 12:14:49 UTC
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=koh246rzxhee3yojg3utfczbgqa7mdyfxmhd7januij4tivp7dnq._file
Verdict:
malicious
Result
Malware family:
zgrat
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Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/240131-naa4gacfdp/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db
MD5 hash:
e2c350e80fa9792ff4757b2336dccdb3
SHA1 hash:
e3355dd0369bfaa9eb66607c1e10c5679b1048da
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/54e7f558-2df5-41e6-a3bb-c441e48c0c9b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db

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: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
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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:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
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Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
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Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

Executable exe 538fae7a39b9c84de1c936e9328b213401f60f05bb0e3fa40da213c9a2aff8db

(this sample)

  
Delivery method
Distributed via e-mail attachment

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