MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc
SHA3-384 hash: ed234ddac8dba9a48d6d979f1eb83310c329ca77d40cd6fe47e78e676cee9c3689a084d507c57c826ff193069f7fb902
SHA1 hash: 06267c7fb870efd49f63c620e7ee31a388861bd7
MD5 hash: 0c2a2c00a4c861faa5e40cb2105ffd97
humanhash: tennessee-glucose-floor-nitrogen
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'182'208 bytes
First seen:2020-11-10 10:16:59 UTC
Last seen:2024-07-24 20:07:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:SgqwEHlsnrrsZNQZt8LFetoS1t2328KycWtsiKyOwhs0PXmwLzyiAOO2ahCr3Yur:T8xa23Gyc3iKyOQsQfLuBd2aUr31yb
Threatray 9'793 similar samples on MalwareBazaar
TLSH 7045D03165AAEF83C63D0BF9C09612441FB82C1BC561FB9EADC032E729737454B54A6B
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
6
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc/
Threat name:
ByteCode-MSIL.Trojan.Bluteal
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 16:36:29 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vjzrxlb3vrcwouihfv5cayujt2mz2zbx6cc7re7uuujqpbhbmhoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
15c7c3a3e619c5db49470198804b7a3a6cf925daceeea180fd0b9cc91bb2e4d1
AgentTesla
18f1f0cd31212210131834c74f816f2c7fa78f50019257f714b616dbcb2e2320
AgentTesla
19f27d5a7c6c6804a869bf2ff5dc4d59a3b00c2193184ef6adb58c63d29776fb
AgentTesla
56c026a1b3db5b77e3d01e2ef5f727cae05b34e19fd01055ee1ba374bba3af5f
AgentTesla
56f2c7b9d0efa06b177d87a0617b2a4ccb000d72599d046e3cc014628a4ca497
AgentTesla
7d85dcd63ce189a5b1ab36d5c18063a1a2bf20204d93d1e21c35d825cf4a2585
AgentTesla
93d92806cff2c0d375bf2fcc33e9c6ebb1697fefa8f25a7d481a639b8159da2d
AgentTesla
ddee3ca744c732bbbae51bf179fdd92c59f80f75222ddf219456059886917165
AgentTesla
defbf133c9e7d72102fde035e692158815cf0312c4f96535777e7bbeecd3a796
AgentTesla
f150b76e622e7da135e3d47a20c424aa20a6efeb839b15d301c17233bdcbc9f4
AgentTesla
+ 9'783 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/201110-yfj5a6c4qs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6b64ee3217ed23696613636a0a4f4c065c4eda09de8983516affcaa8683b1f38
MD5 hash:
3853eef5b4e518622025acef90c7e14a
SHA1 hash:
5c13ea412419bf97f9d5f6f6490dff2d50b64a74
Link:
https://www.unpac.me/results/1ebca8b8-bc80-422d-86f5-bd925a542a45/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/1ebca8b8-bc80-422d-86f5-bd925a542a45/
SH256 hash:
0996c1428c74ff777f881a27e673207f924a54930e2f1a9e610c1b38294f18e6
MD5 hash:
6f6eb3eb335ef690988de790176fee79
SHA1 hash:
dbd2e1809680f8f3e7106b4527e47588fb0b7258
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/1ebca8b8-bc80-422d-86f5-bd925a542a45/
Parent samples :
aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc
0692a4e8916df354987539ff2781631f65e7b691df4f558b6b510ab5c63bd070
56b3bea2f71214ea2365ccf150c11c357d4e227db44ca064959243ccc257e9bd
41d8ddd107ac1ed543bfec8a2272414253a51277d75f0802c3c297aa0559c04f
84e74d1f1ef100d88a9880caa9b26502f8cdef09869f27816fa1907086d18db2
8625e20198515d3003559f7c7f56548dbac4919fb0f67f89f90f81f6d926a71d
89203c9d1ba98fde5ac5baad12944bc68d9a8b1a21a0bb61526daaca06d7b189
ea67fc1a3e2c4217cb32d348a38a2ed6f17c2930fd3844a4b6a5109b8bb522ba
6e73eb9db1f552b4fe8a0aeed4caf6cff4abd36f1bfeb7cc670fe02bf0dae4c3
67a6cfdfbba1f1a044490fdb25c1ccd480dc0256ec757dc879babd9772ea685d
3c493947ff53dafec4b6261a9a95638d629c48ee5a7295fa48455bbe1aa61ee5
54997c9767d784fc3d566238940f84541c4b614ec794aceeb84d2bb8a4104bf5
850c25e23cc582bad58318fb70772023c21b36fcb50966a36b659e7199f4cc70
3bd965bfecd32024ac9cbe54e2ef55ed3603398a89514224ac798ed66e1a5d62
78b22dd43ba0c201a7f63a9e7c7c59649395709a86aea45787103ef37c715798
SH256 hash:
aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc
MD5 hash:
0c2a2c00a4c861faa5e40cb2105ffd97
SHA1 hash:
06267c7fb870efd49f63c620e7ee31a388861bd7
Link:
https://www.unpac.me/results/1ebca8b8-bc80-422d-86f5-bd925a542a45/
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_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Create hunting rule
Author:jeFF0Falltrades
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_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
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 a675f442e8c9e5af6e49a4fa0bdf3c3a3c708f8677c12fd539fab7cba1019c1b

AgentTesla

Executable exe aa731bac3bac456751072d7a2062899e999d6437f085f893f4a5130784e161dc

(this sample)

  
Dropped by
MD5 d5847635ebc0564c496e4eb9340fbfef
  
Dropped by
SHA256 a675f442e8c9e5af6e49a4fa0bdf3c3a3c708f8677c12fd539fab7cba1019c1b
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments