MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6599b417be167f4a56b09497a4e42a60305c59b564b872246c2c6a6f368c44a. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a6599b417be167f4a56b09497a4e42a60305c59b564b872246c2c6a6f368c44a
SHA3-384 hash: dba12787c6d44185ba31a9483247192480d85314e4f1531624a95386be745416f335e31a0602b10820daa2d74678825b
SHA1 hash: 2b224c79f1392587d91b3e9c379b9a23adc4767d
MD5 hash: 7a2ea0c3cc1f0c59f5d35a09843ce4f2
humanhash: connecticut-hot-timing-washington
File name:OPLSU19HP4286.gz.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:612'352 bytes
First seen:2020-06-11 04:37:55 UTC
Last seen:2020-06-11 13:29:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:GtIw8LTg91DOuRT8eT7Ud08LwwCIVwi8LnUTqgMnjmU9UXA:GylTg9Q4hAW2wwjw1YnMmU9U
Threatray 12'008 similar samples on MalwareBazaar
TLSH 0ED4D00835D6BE4FC33E4EB2441728104BB099677E1BF343ADCB25DA556EF860A50B9B
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/8836/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.EMGD.17074.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Crysan
Create hunting rule
Status:
Malicious
First seen:
2020-06-11 04:39:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzmzwql34ft7jjllbfexutscuybqlrm3kzfyoisgyldkn43iyrfa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
305eb08e59ef7e93a40e6eb8edf0c4a336ff54bfc07cac69d1744c949f53757e
AgentTesla
5f2517598649fe78e58966a15e9fea89e43ee57aa0ad6b779ef18be53eb39a2b
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872e06d165968c0548d362d26c3c05ba9c3f35fe1066c5623dded0dd7cbb92f2
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950d32041bd422de6e75703707b17e94f27235d3632387f02d21160c71d2735e
AgentTesla
a767a3b413dfbbbc5fe2c59ecccfcddeb457f4cc7aff68ef1502b69bb75e46de
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ba19f152a61cf84f2a2f1d5bb1f7dc7861a8c234bb358bd5bb7d2cceb4523fc9
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d5e25941e3d79faf029e3f285e3755bf6b40388af3fd3295dee7ce0289b6d13f
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f34128032bef4def57539e933154f1caba0abf7c4644471646b9af4812819fc0
AgentTesla
f495df589f3d5ada5d486d3795de4ddf24d296ae6af572a635ad00c4ed716088
AgentTesla
fca57bc3188f4383efe5bfd8a6c0e3058273c7dca96ef9360f6290790f8883b6
AgentTesla
+ 11'998 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-5lhlgp24ms/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
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.

Malspam

AgentTesla

rar 4278e2830a06201c8d2bd5352272fbe141c0c245013a2de2d1b6e221d7b0550d

AgentTesla

Executable exe a6599b417be167f4a56b09497a4e42a60305c59b564b872246c2c6a6f368c44a

(this sample)

  
Dropped by
MD5 cac43c4a8d9685cfb93a18788061d035
  
Dropped by
SHA256 4278e2830a06201c8d2bd5352272fbe141c0c245013a2de2d1b6e221d7b0550d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/8836/

Comments