MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23256fd1a2baa8972ee58af4aeff4ef3dc9fc095086430982f0e27f72c7fffee. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23256fd1a2baa8972ee58af4aeff4ef3dc9fc095086430982f0e27f72c7fffee
SHA3-384 hash: e1e26d151f498ef8920fa7762970fe0bed445b853b9cd2191591e1637d44a81d68453f8889880b9774c87998b3d7f2c2
SHA1 hash: fcb9fd56f0210a0198cd044a3a1a2d443567a085
MD5 hash: 3c972d9b4036fc45c55aa15004c92bc5
humanhash: november-happy-spring-princess
File name:COMPANY DOCUMENTS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:788'992 bytes
First seen:2021-06-09 06:04:26 UTC
Last seen:2021-06-09 06:50:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Y4+UNj15t7PvHM28Rtor0lMV40JNz22Ju0okyqoD4NK4FFZCcwvj9zvkUFMPBh4l:J7kjvor0UjzM0AnCRFFZJwt0
Threatray 5'718 similar samples on MalwareBazaar
TLSH A0F4E035224C9A48E17F9375A0B2520443F0F507E322EB4DFED858D92EA27C2D7AF656
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/165547/
Detection(s):
SecuriteInfo.com.Artemis3C972D9B4036.19662.6952.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/799339
Signature
.NET source code contains very large array initializations
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 Process Start Without DLL
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 431743 Sample: COMPANY DOCUMENTS.exe Startdate: 09/06/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 7 COMPANY DOCUMENTS.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\ZINmNQZb.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp8ACB.tmp, XML 7->23 dropped 25 C:\Users\user\...\COMPANY DOCUMENTS.exe.log, ASCII 7->25 dropped 37 Writes to foreign memory regions 7->37 39 Injects a PE file into a foreign processes 7->39 11 RegSvcs.exe 6 7->11         started        15 RegSvcs.exe 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 27 us2.smtp.mailhostbox.com 208.91.199.225, 49747, 49748, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->27 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->41 43 Tries to steal Mail credentials (via file access) 11->43 45 Tries to harvest and steal ftp login credentials 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->51 19 conhost.exe 17->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/23256fd1a2baa8972ee58af4aeff4ef3dc9fc095086430982f0e27f72c7fffee/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-09 06:05:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=emsw7uncxkujolxfrl2k572o6poj7qevbbsdbgbpbyt7old777xa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c35aa6b6d20fcf5548bf0c482b8201629b078fbf8a01ce58eb3d15f233a5d5c
AgentTesla
25f8bda5569c8920933f5a0fa79081a5b72cac66240476af96d9e7e8d4304190
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34380ef9c6381117678077c058c01a7726209854d4bbc0283dd60a25f77e6558
AgentTesla
3455716f81e993173ef1e17b90f9233f70e6ce36a735ca19c40dcf816fc389ce
AgentTesla
3f4689ec7f18f1c30786b9953ed1fccb79f806a233aeb730fff83b432adf87bf
AgentTesla
611a2dfac3989c66b10815fe8d6a81d92554e0ce47ec3d5b6bdd7c91c4163a7e
AgentTesla
97b04e5a3a6a7c803bacf16e1b423a61c48377dd362258127b613a68d75eb342
AgentTesla
bfbcea482de7b06844d5ec8a0a512d5e7f3fa0d0c8abb71586ddaed9c902665d
AgentTesla
cb43d4ad476d7fec4d0b656c7bd48a52fc46552b58e93b9d3187941bde2ed566
AgentTesla
d6ff339c056def1d5e03ecbfea9e55dbd8f556885b2fdcce27ddff7e040152c8
AgentTesla
+ 5'708 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210609-2pg3ekq28a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
Link:
https://www.unpac.me/results/e51d7dc4-178b-431d-8d7a-7c573a1d6c1f/
SH256 hash:
23256fd1a2baa8972ee58af4aeff4ef3dc9fc095086430982f0e27f72c7fffee
MD5 hash:
3c972d9b4036fc45c55aa15004c92bc5
SHA1 hash:
fcb9fd56f0210a0198cd044a3a1a2d443567a085
Link:
https://www.unpac.me/results/e51d7dc4-178b-431d-8d7a-7c573a1d6c1f/
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/23256fd1a2baa8972ee58af4aeff4ef3dc9fc095086430982f0e27f72c7fffee

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

tar ccaf0ffdf34b0ba7b1d23643c2ebccf38aadfba5531ee170b39649f87e19be4a

AgentTesla

Executable exe 23256fd1a2baa8972ee58af4aeff4ef3dc9fc095086430982f0e27f72c7fffee

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/165547/
  
Dropped by
SHA256 ccaf0ffdf34b0ba7b1d23643c2ebccf38aadfba5531ee170b39649f87e19be4a

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