MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9279a522d40389c547e400b7a2f4f778cb7fb48736803eabc4000470ccbdfd6c. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9279a522d40389c547e400b7a2f4f778cb7fb48736803eabc4000470ccbdfd6c
SHA3-384 hash: a8f8704a800da6fe1af98105818c3631a7361373e9e3fc4a65e99ca7ad88d8d8cafa56d99cc887700444ba7ca1b4e393
SHA1 hash: c0fe9ba483553b1fa839d17625bdd87465c86057
MD5 hash: cf4f550810f35699be2c25edb7f756aa
humanhash: winter-sodium-one-friend
File name:751211097.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:912'896 bytes
First seen:2020-07-20 09:36:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Mlq6KltUaGkL2GxHAGCxpDydBNjE61AEvHuBIybvEZD7AfhsvN6TL1Bxf4IEq0/k:MMfUaGWFO/gdPgGLuBFS7Afqdap
Threatray 10'868 similar samples on MalwareBazaar
TLSH C015F81CA7421457D02D0734C5A8FF5A83705D6A3A86EBEDED913B8BDF513AB263201E
Reporter abuse_ch
Tags:AgentTesla exe MailChannels


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cow.ash.relay.mailchannels.net
Sending IP: 23.83.222.41
From: SAEED IQBAL - GLOBAL NAVIGATION LINE <info@moradeyaimpex.com>
Subject: Fwd: OUTSTANDING PAYMENT
Attachment: 751211097.IMG (contains "751211097.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28891/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.28102.7474.UNOFFICIAL
Create hunting rule

Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/391264
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248020 Sample: 751211097.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 92 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 Machine Learning detection for sample 2->41 43 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->43 7 751211097.exe 5 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 29 C:\Users\user\chrom.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->31 dropped 33 C:\Users\user\chrom.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\751211097.exe.log, ASCII 7->35 dropped 55 Drops PE files to the user root directory 7->55 15 chrom.exe 7->15         started        17 cmd.exe 1 7->17         started        19 chrom.exe 1 11->19         started        signatures5 process6 signatures7 22 InstallUtil.exe 2 15->22         started        25 reg.exe 1 1 17->25         started        27 conhost.exe 17->27         started        45 Multi AV Scanner detection for dropped file 19->45 47 Machine Learning detection for dropped file 19->47 process8 signatures9 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->51 53 Creates an autostart registry key pointing to binary in C:\Windows 25->53
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9279a522d40389c547e400b7a2f4f778cb7fb48736803eabc4000470ccbdfd6c/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 09:37:15 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sj42kiwuaoe4kr7eac32f5hxpdfx7nehg2ad5k6eaachbtf57vwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'858 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200720-zvbw76sge2/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Loads dropped DLL
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9279a522d40389c547e400b7a2f4f778cb7fb48736803eabc4000470ccbdfd6c

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

img 9c203d16d0bf6291cc6d2eb53d29a7d426c72f02ed983a546861263939054218

AgentTesla

Executable exe 9279a522d40389c547e400b7a2f4f778cb7fb48736803eabc4000470ccbdfd6c

(this sample)

  
Dropped by
MD5 40f4a4f584022f4f5d867a936088ca1c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28891/
  
Dropped by
SHA256 9c203d16d0bf6291cc6d2eb53d29a7d426c72f02ed983a546861263939054218

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