MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b946d9a4de3fef939ea0ef122aa66dc90ccd66f9d842ad8adc0e0038f0c47ea. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b946d9a4de3fef939ea0ef122aa66dc90ccd66f9d842ad8adc0e0038f0c47ea
SHA3-384 hash: 3b5643e60b63df56a7d391e847a113e4d7dce8a7642f8d2175e656016caf26da893a26071b9546bdf4d8038bcaecf28f
SHA1 hash: 4974869cf27d011785ea67c8fa7f509cac7fca04
MD5 hash: a9ed23836eea2535687ed15da8137b73
humanhash: maine-california-autumn-nuts
File name:a9ed23836eea2535687ed15da8137b73.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:675'328 bytes
First seen:2020-07-07 08:23:17 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 12288:ewFpYOlqiI45mzWBto+PkBuBk84+ajSNv1BtEik:e6pYOlqi6zWBtX8+0j
Threatray 10'823 similar samples on MalwareBazaar
TLSH BCE41A3C7B855419DE3E093784A45AD473B1A5473B03C75F36C647ACAF026CB3B4A2AA
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22042/
Detection(s):
SecuriteInfo.com.Variant.Razy.711916.648.15712.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Creating a file
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b946d9a4de3fef939ea0ef122aa66dc90ccd66f9d842ad8adc0e0038f0c47ea/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 08:25:05 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jokg3gsn4p7psopkb3ysfktg3simzvtptwccvwfnydqahdymi7va._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2b677efbb2d332ea0a8fe453281fa6013bf223e7897d8419f98b13e5fbf48615
AgentTesla
44577d994806a88cfd4de18af506aab6fe398c12c816ea8d77081574e66b837b
AgentTesla
4cf01c1c13e47adcbc1e239fde5a7ab6e87b82a1c70ac1319434a37420ad6a1b
AgentTesla
5db742db7fdb5806c0f6fa41ac1e5a633ca2caf33939965863c062feb096154a
AgentTesla
6fb3cc3f910373a884690e6f66d5eb7506095dd1e9856d8deff777fb47cbdd06
AgentTesla
8e2a4c89fec2c4ea4f8787eb383158ce570267bf8dbc840594afc81e1f2aa94b
AgentTesla
8f700076c9355cc2a07b8dcc4136d1364e987eebc063fb2e2b94e9b06989dea5
AgentTesla
a9568b036d4f3245151a68d35ac9e295dadc54d8b8528896b285497157bf2f35
AgentTesla
d7430bf7d6341573e0daa449af19b540988e66e1ab6e26089156027863705ace
AgentTesla
f1d4585edb3d3af338467aaead97a3fbb58216c3174603e63af9cbbba8aeb885
AgentTesla
+ 10'813 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200707-wxjvm3fpaj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Executes dropped EXE
AgentTesla
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/22042/

Comments