MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
SHA3-384 hash: 302b53d0596d77c619a754f1f5804491d229060bfb8ca4d3aa4e74d1c86498fb99fe293016a9ea7706cc24908794213e
SHA1 hash: 0d0a72613be20e838c69c1bfbeb64bf4390a0c75
MD5 hash: 50681fe59265316a9e7ee37aa1701d40
humanhash: failed-nitrogen-carbon-papa
File name:Receipt_681002.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:224'120 bytes
First seen:2024-04-22 12:51:19 UTC
Last seen:2024-04-22 13:39:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:MjbQw5tKM/717+wUPnS21mQbnc+BR0pKREX/WONBuwrhmc7U1iIyx1IhNXOXcal0:Z+86uwrhmkErFDnXAgpH
Threatray 712 similar samples on MalwareBazaar
TLSH T18724D8023189ACDAE4535DB258BFD5201164BE9E9175CA0E3293FB2B55F331230AFB5E
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 92b2aca6a6ba8e9e (6 x AgentTesla, 5 x PureCrypter, 4 x SnakeKeylogger)
Reporter JAMESWT_WT
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
379
Origin country :
IT IT
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66265d7875339da04f9bb05c/reports/878ef243-2230-4979-be38-ab3c6a884633/overview
Verdict:
Malicious
Labled as:
Ser.Strictor.Generic
Link:
https://www.hybrid-analysis.com/sample/519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
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/db997d51-9ff8-4e76-b2f7-5f1f3beeaf9f
Result
Threat name:
AgentTesla, AsyncRAT, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1429646
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates a thread in another existing process (thread injection)
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Snort IDS alert for network traffic
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1429646 Sample: Receipt_681002.exe Startdate: 22/04/2024 Architecture: WINDOWS Score: 100 66 fp2e7a.wpc.phicdn.net 2->66 68 fp2e7a.wpc.2be4.phicdn.net 2->68 70 api.ipify.org 2->70 86 Snort IDS alert for network traffic 2->86 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 22 other signatures 2->92 8 Receipt_681002.exe 16 7 2->8         started        13 powershell.exe 2 15 2->13         started        15 $77Hobbebo.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 76 5.34.182.232, 49704, 49705, 80 ITLASUA Ukraine 8->76 54 C:\Users\user\AppData\Roaming\Hobebo.exe, PE32 8->54 dropped 56 C:\Users\user\AppData\Local\Temp\asn34.exe, PE32 8->56 dropped 116 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->116 118 Creates multiple autostart registry keys 8->118 120 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->120 19 asn34.exe 16 6 8->19         started        23 Receipt_681002.exe 2 8->23         started        122 Writes to foreign memory regions 13->122 124 Modifies the context of a thread in another process (thread injection) 13->124 126 Found suspicious powershell code related to unpacking or dynamic code loading 13->126 26 dllhost.exe 13->26         started        28 conhost.exe 13->28         started        58 C:\Users\user\AppData\Local\Temp\$77af8949, PE32 15->58 dropped 128 Multi AV Scanner detection for dropped file 15->128 130 Machine Learning detection for dropped file 15->130 132 Injects a PE file into a foreign processes 15->132 30 asn34.exe 17->30         started        file6 signatures7 process8 dnsIp9 46 C:\Users\user\AppData\...\$77Hobbebo.exe, PE32 19->46 dropped 48 C:\Users\user\AppData\Local\Temp\$77676d16, PE32 19->48 dropped 50 C:\Users\user\AppData\Local\Temp\$775f87fe, PE32 19->50 dropped 94 Multi AV Scanner detection for dropped file 19->94 96 Machine Learning detection for dropped file 19->96 98 Creates autostart registry keys with suspicious names 19->98 114 4 other signatures 19->114 32 $775f87fe 19->32         started        36 $77676d16 1 19->36         started        72 66.29.151.236, 49708, 587 ADVANTAGECOMUS United States 23->72 74 api.ipify.org 172.67.74.152, 443, 49706 CLOUDFLARENETUS United States 23->74 100 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->100 102 Tries to steal Mail credentials (via file / registry access) 23->102 104 Tries to harvest and steal ftp login credentials 23->104 106 Tries to harvest and steal browser information (history, passwords, etc) 23->106 108 Injects code into the Windows Explorer (explorer.exe) 26->108 110 Writes to foreign memory regions 26->110 112 Creates a thread in another existing process (thread injection) 26->112 38 lsass.exe 26->38 injected 40 svchost.exe 26->40 injected 42 svchost.exe 26->42 injected 44 23 other processes 26->44 52 C:\Users\user\AppData\Local\Temp\$77a1b29f, PE32 30->52 dropped file10 signatures11 process12 dnsIp13 60 192.168.2.6, 443, 49703, 49704 unknown unknown 32->60 62 94.156.65.181 TERASYST-ASBG Bulgaria 32->62 78 Multi AV Scanner detection for dropped file 32->78 80 Machine Learning detection for dropped file 32->80 82 Writes to foreign memory regions 38->82 84 System process connects to network (likely due to code injection or exploit) 40->84 64 api.ipify.org 42->64 signatures14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86/
Threat name:
Win32.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2024-04-22 08:09:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgnidjveg56ugx6ssmvlte2dya2lky6vyy6dr2wefsja3gh4h2da._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
asyncrat
Create hunting rule
Similar samples:
0cb284abb63cf61b070bfa0a5250ff536f92907bbf5eec07070b9aeafa4ac2bd
AgentTesla
8547acaeac956cbb78771086b2845cf758f235e22486ef7ddfd81ee1965e6b29
AgentTesla
8b8d68a47897fc7f8612ad932aec65de7e5523d2ed7619dadb686f1c1adeab80
AgentTesla
98a9021f55ec887a271dd6b5bef911bdbf09514530db7abdb887d5282aaf7631
AgentTesla
a69420b181a6704cdf507e6ba6f725060fc4eca42794aca6a3719af43bc33560
AgentTesla
c4e838a74e5baf5dbd86beedff96c1c9353b49ecf2ad362f47a4b134453701ab
AgentTesla
d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
AgentTesla
+ 702 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240422-p3284abf9z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
519a81a6a4377d435fd2932ab99343c034b563d5c63c38eac42c920d98fc3e86
MD5 hash:
50681fe59265316a9e7ee37aa1701d40
SHA1 hash:
0d0a72613be20e838c69c1bfbeb64bf4390a0c75
Link:
https://www.unpac.me/results/aed4bfb2-44ce-4704-9a38-92f20adc4110/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/519a81a6a437/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 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
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_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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

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 (GUARD_CF)high

Comments