MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb. 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
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SHA256 hash: b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb
SHA3-384 hash: 1ddc21bf04837ffac44adc90255d91e29c3567ac2fca28d27e53e857d3919566263dc37529b6bd009df1a501aa238036
SHA1 hash: 5ea3893ac42861771771d734474a4505b08f1792
MD5 hash: 72bd7b080a3e1f7998587325de785826
humanhash: juliet-snake-failed-oregon
File name:MT700.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:807'936 bytes
First seen:2022-03-18 14:59:21 UTC
Last seen:2022-03-18 17:13:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:ux6JRupiTqcXXHUeqEoEkcMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM+MMMMMMMr:ux6zuwq4XjDoEkcMMMMMMMMMMMMMMMMq
Threatray 15'299 similar samples on MalwareBazaar
TLSH T18C057C76559462B3CDBB8A364A01C834F651ACEEB101AC187AD73F8B2DB75D23BC121D
File icon (PE):PE icon
dhash icon 78f0c6c4dcd4c4c4 (18 x AgentTesla, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/252667/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.19090.14205.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe strictor
Link:
https://www.filescan.io/uploads/62349e8fb94fb38cb4a3fabe/reports/97e6be07-badb-4291-8838-5baf9166e1af/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3fdd793f-1291-46e1-83b2-7fa51b8cfde4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/959620
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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: Suspicious Add Scheduled Task From User AppData Temp
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
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 592101 Sample: MT700.exe Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 38 api.telegram.org 2->38 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for dropped file 2->52 54 13 other signatures 2->54 8 MT700.exe 6 2->8         started        12 kECjS.exe 2 2->12         started        14 kECjS.exe 1 2->14         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\zLcazZpkjxys.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmp29D5.tmp, XML 8->34 dropped 36 C:\Users\user\AppData\Local\...\MT700.exe.log, ASCII 8->36 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Injects a PE file into a foreign processes 8->60 16 RegSvcs.exe 2 4 8->16         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 12->22         started        24 conhost.exe 14->24         started        signatures6 process7 file8 28 C:\Users\user\AppData\Roaming\...\kECjS.exe, PE32 16->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 16->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->42 44 Tries to steal Mail credentials (via file / registry access) 16->44 46 5 other signatures 16->46 26 conhost.exe 20->26         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-17 16:21:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
55
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrs4x4ppjbrugqgu6r34zxg7cpfxzdqu4mlkum4yr3esckybrd5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1eb4d690d116a9129704cc98c4cb900a399ae26c601bf9e8764aa713c01250b8
AgentTesla
5cd21e8b1c72c3607078f4e5e9e42cb3a347afa3da338cbac00c8fe16512b61c
AgentTesla
a0c3371953d59c8e30df713a05e21c633ab4496bcde543b727eda24cc8456116
AgentTesla
ee02fd2aa84bc7c690af4b524bb3c30b9af3f81da461c9a792369a8ecac7e0c5
AgentTesla
ee61d9ef7a173258abdeb2d261276de1ff1c5386b9328c51a92b0f805c5462e8
AgentTesla
+ 15'289 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220318-sdchxsbahj/
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
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5229864731:AAEV0jOLrI_tfLx-WLBXsih1ys_6gsK9KBg/sendDocument
Unpacked files
SH256 hash:
3c5a4283486a6817ee62681393de486dde07f4a53e8b9f8a7e10aaa2d69b8a94
MD5 hash:
f65ef9e75cda43277e73cc95e29d0523
SHA1 hash:
ebaa2638a60cf17c11fc42da234cf2a47a805fb9
Link:
https://www.unpac.me/results/ff575be0-3b89-401c-8b74-9ed706b8d5c6/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/ff575be0-3b89-401c-8b74-9ed706b8d5c6/
SH256 hash:
569ec4fb1b155d7dc8d96097a0536de74125f52e0fbf3120302172d5e5e994a1
MD5 hash:
17f58e1322de2b51502628385780fbe2
SHA1 hash:
04232bbe2398e2c5bb3a433913c224a3792fbdba
Link:
https://www.unpac.me/results/ff575be0-3b89-401c-8b74-9ed706b8d5c6/
SH256 hash:
b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb
MD5 hash:
72bd7b080a3e1f7998587325de785826
SHA1 hash:
5ea3893ac42861771771d734474a4505b08f1792
Link:
https://www.unpac.me/results/ff575be0-3b89-401c-8b74-9ed706b8d5c6/
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/b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb

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
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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 b465cbf1ef48634340d4f477ccdcdf13cb7c8e14e316aa33988ec9212b0188fb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/252667/

Comments