MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b215755caaff6e00b27ce67086db75a7177eddda90c1c3369290a830f7089157. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b215755caaff6e00b27ce67086db75a7177eddda90c1c3369290a830f7089157
SHA3-384 hash: 5ea91c52edee0d9aee1d7b572ce1f7d091facf3d129d85a7238f4aa1fbf05f25e97a58e45f4bb04c143ffdc68fa02c83
SHA1 hash: 8652131c2949a1dc0ab6ea8417c66fc5b62b1c63
MD5 hash: 4f18ad3e3205cdf1710f31ff889363ad
humanhash: quebec-sweet-skylark-oklahoma
File name:PURCHASE ORDER AND SPECIFICATIONS...scanned...pif.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:545'280 bytes
First seen:2020-05-21 15:41:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:Dn1+YKktKtSgCSNpWFFkvWzxxKWfd0O4vuzU:DwYBKtSb4cFFkvWfKwb4vkU
Threatray 10'585 similar samples on MalwareBazaar
TLSH E8C412503BE89F19E6B95BF114B5A62033BB3A5B5971C71C0D8232CF1E37B850652763
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hwsrv-729369.hostwindsdns.com
Sending IP: 142.11.196.208
From: PROCUREMENT MANAGER <optiks@optikinectics.com>
Subject: REQUEST FOR QUOTATION ON THE PRODUCTS ATTACHED PO#9018.
Attachment: PURCHASE ORDER AND SPECIFICATIONS...scanned...pif.rar (contains "PURCHASE ORDER AND SPECIFICATIONS...scanned...pif.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-22 02:52:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
0951b17ee45ce9d5fdd4a010d5be0d26095bed62486a90887a2a36b46525082c
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3e160f6ab509dc96f16ef680bd0c6bd4e9b671c982853835590e5ba3b66162c0
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5ef7a1fc5133cd2e6f3766880af3ca7ea6f4912b0677a8e3ea6d0458f1cb64b7
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7c07f9bede2e4dd632d824e779849898ed943b7eb52a2abb2c3d6b6b2491b653
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912773eb914dcc982732f98b82b37c8dd39700fdc52fe054656f30d0df7b9157
AgentTesla
ad836596ae6fc2ca2c26e95c0086e06af43c9954b3eb332863451d49e2a474a3
AgentTesla
c986ab8fb7125210b901bf41a288cc4adb017de55b803b78b48c8061e8e94565
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f529c8367303a394b8da7b815b3f202f0bb7e2b1b33fae5f4cd1cb0e1e118fb1
AgentTesla
+ 10'575 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-b7aeygyssj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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 136d4087a330691ca7023ada3664f96c87f79a3b7c4da9245a99f17bbc8d590b

AgentTesla

Executable exe b215755caaff6e00b27ce67086db75a7177eddda90c1c3369290a830f7089157

(this sample)

  
Dropped by
MD5 bb48846c342f99b9a0cb2b364d6c2500
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 136d4087a330691ca7023ada3664f96c87f79a3b7c4da9245a99f17bbc8d590b

Comments