MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c9e1712c3a7835e95e3dcb2eda400c768a692b24e1f21047341b07e8edbe333. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c9e1712c3a7835e95e3dcb2eda400c768a692b24e1f21047341b07e8edbe333
SHA3-384 hash: 373c37a9a8f0c6cfc4ae4d652256e5f4e17a497647a7614d129bac65b5c726c5ad7a70db98196eda1f036d9e93b56c51
SHA1 hash: 3c0ecc30ccf6638981ad12ce4aec2d5d48b57dc6
MD5 hash: 04367a4a22f9dc1bd11990f3ff42d34c
humanhash: california-music-nevada-lima
File name:HNkxw4w1HP5iLIR.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:564'224 bytes
First seen:2022-06-30 07:17:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:3lwMCa3lsIM/I1sj2GhNqg/fMQ8K+vr/Nqe0piodQBFHTWNVlHNXyXryavm5TQn1:3VzW/f2iNREvff089WNcOavm2LB2pQ
Threatray 18'200 similar samples on MalwareBazaar
TLSH T175C4BE1632ACBA00C17ED7F83550A65003F7834EF626D67D3DA6098E69D1FC262727E6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
278
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/284515/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Changing the hosts file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bd4e676ad95faf97e02afe/reports/b7c423d2-337c-4be8-92a5-bf2c53887556/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/18d8b44a-eddc-443d-be70-0cb1af958122
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1022407
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
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)
Modifies the hosts file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 654903 Sample: HNkxw4w1HP5iLIR.exe Startdate: 30/06/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Yara detected AgentTesla 2->36 38 Yara detected AntiVM3 2->38 40 7 other signatures 2->40 7 HNkxw4w1HP5iLIR.exe 6 2->7         started        process3 file4 22 C:\Users\user\AppData\Roaming\FOiIAu.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\Local\...\tmpB848.tmp, XML 7->24 dropped 26 C:\Users\user\...\HNkxw4w1HP5iLIR.exe.log, ASCII 7->26 dropped 42 Uses schtasks.exe or at.exe to add and modify task schedules 7->42 44 Writes to foreign memory regions 7->44 46 Injects a PE file into a foreign processes 7->46 11 MSBuild.exe 2 7->11         started        16 schtasks.exe 1 7->16         started        18 svchost.exe 1 7->18         started        signatures5 process6 dnsIp7 30 mail.majulah.com.sg 110.4.45.230, 49758, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 11->30 32 192.168.2.1 unknown unknown 11->32 28 C:\Windows\System32\drivers\etc\hosts, ASCII 11->28 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->50 52 Tries to steal Mail credentials (via file / registry access) 11->52 54 4 other signatures 11->54 20 conhost.exe 16->20         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3c9e1712c3a7835e95e3dcb2eda400c768a692b24e1f21047341b07e8edbe333/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-30 07:18:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hspboewdu6bv5fpd3szo3jaay5uknevsjypscbdtigyh5dw34mzq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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4112b870abe910ca91a7a5a86bff68e6112a67972b61aba3ebae11f65de2ed95
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7f9a5a2ec91e2ef5883eeb7cba3e9f0eadf53ea1b794d7ce22a7a494c877b24a
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99242cd4755c4c9aaaf4d39d77adec7981e6c4f25dbaefc5ecadddce576a35a8
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b25050da3db1fef64eb447fdbcd2a4c2248fc32a7be362cea35094449250381f
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bfd76294477fc3da608954591e071f3745274fec1ca01bb77cb3534a5eb45b1f
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e55cecdcbe1ea88fe5bb5a483297fc9df3947ee543cec8a30ecf2f3aadc59413
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f6b19c787e94375c804947ba13ba32aef40f24432c9cb1a4fe9bb2c1086c6a98
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ffe0978b48d80dd00d4873045f0b3ec5d07b4f70a7a66816f78275d3ad937ab6
AgentTesla
+ 18'190 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/220630-h4x77sahc6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
b9ac500f7e86ba5c7cc208b0ce88e0a0124cf361cb042b3c9b5747d233abaf36
MD5 hash:
21b51d83c2905d482c4792cfbfe6ea33
SHA1 hash:
b127cadfb78fd3f31be1d952d5a6fc8c33bcb56d
Link:
https://www.unpac.me/results/72f10e45-9f46-4a2c-8678-308b4e422553/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/72f10e45-9f46-4a2c-8678-308b4e422553/
SH256 hash:
1d515774ca24e698009dec9cdf646b1776468003a0ce059888bf45a386479715
MD5 hash:
175226a4553ca58e5ee13c9d22f11c95
SHA1 hash:
369ea9b17a14c019fbf7f8071707a2517131e721
Link:
https://www.unpac.me/results/72f10e45-9f46-4a2c-8678-308b4e422553/
SH256 hash:
3c9e1712c3a7835e95e3dcb2eda400c768a692b24e1f21047341b07e8edbe333
MD5 hash:
04367a4a22f9dc1bd11990f3ff42d34c
SHA1 hash:
3c0ecc30ccf6638981ad12ce4aec2d5d48b57dc6
Link:
https://www.unpac.me/results/72f10e45-9f46-4a2c-8678-308b4e422553/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c9e1712c3a7/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/3c9e1712c3a7835e95e3dcb2eda400c768a692b24e1f21047341b07e8edbe333

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: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 3c9e1712c3a7835e95e3dcb2eda400c768a692b24e1f21047341b07e8edbe333

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284515/

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