MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e633c1c72c197d17226b125498340ad7f76a03496806f2e0deb75c203083b7f. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e633c1c72c197d17226b125498340ad7f76a03496806f2e0deb75c203083b7f
SHA3-384 hash: f91d267f856ea34e93b6210775b6d301b738f409b174e93d8d87551009cdd13a74bc331762bbe1939d2b8d4f8e4e7078
SHA1 hash: 292fd8ddb26a117c992bf707a28783657e0570e7
MD5 hash: 5d6db4841c6a5e271e5047aae5477c6e
humanhash: east-uniform-skylark-california
File name:Pago de factura pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:999'424 bytes
First seen:2021-07-16 13:08:01 UTC
Last seen:2021-07-17 16:36:45 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:VS2xZ0EG3KQyTs4XlhyI/vbUBGKyIIdF6FhG1Rmg8lOXTDbcqDW:VSGKIOhGHyC
Threatray 6'938 similar samples on MalwareBazaar
TLSH T146250E3E6AA42A27B777D2644681C015F8BC91DB36395DD742C7698C390E8027EE7F2C
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pago de factura pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-07-16 13:10:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2c081a50-77e7-44ec-b7d9-10a4633f472b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/172201/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.14366.30224.14068.UNOFFICIAL
Create hunting rule

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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c12b16c6-3892-48c6-ad68-624e337b8695
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817476
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 449887 Sample: Pago de factura pdf.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Yara detected AgentTesla 2->35 37 8 other signatures 2->37 7 Pago de factura pdf.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\Roaming\WBktuEVF.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp9E7B.tmp, XML 7->29 dropped 39 Adds a directory exclusion to Windows Defender 7->39 41 Injects a PE file into a foreign processes 7->41 11 powershell.exe 24 7->11         started        13 powershell.exe 25 7->13         started        15 powershell.exe 23 7->15         started        17 2 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8e633c1c72c197d17226b125498340ad7f76a03496806f2e0deb75c203083b7f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-16 13:08:10 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rzrtyhdsygl5c4rgwesuta2avv7xnibus2ag6lqn5n24eayihn7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0bbef01e3922dfd1c78a50b98fe6af64419a483a9db9ec9acb03d9a93166585f
AgentTesla
1b122d90ecb306cc9067c1ec1623a19aadc0005cb1d31f49120a902d4f26d5df
AgentTesla
1c4cbe5a3adfa0a596eabff32c6a43fe2f5fc2be1dcf71bddbd0c1200d7451a8
AgentTesla
a29b791498d9f70014bfa85d9254c95c3f06ff0e00f2787d61e1d8f634b9eb23
AgentTesla
bf411b461237ce0b5f1cf021af00bf94c0f31a8aac095c9d36581c5095fcc2a7
AgentTesla
cd9f84ae30184bf901f408a2b420fcfea0eb5aef44fd6e9207211bcb4fa0d607
AgentTesla
ef84b2ff04124e92bb1f3cd7d7ea4f8c61d130b0171a66586fb72ce46a28057b
AgentTesla
ff30ebf52489bc096912d3d89259f8f6e44ec3ced1d124094d10f2fbfaa18590
AgentTesla
+ 6'928 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210716-7h7le4crc6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
02969cdda97d42b8b8736676bc9c05f3b8ee9f550e0bc2d6e06cca47c37c2631
MD5 hash:
2c059cbc50b727b6324581ba63bdfb50
SHA1 hash:
fc058cd52317e903c753d1de1b73c19fce39716c
Link:
https://www.unpac.me/results/dd905173-d8bb-4ae3-bd32-addaf4f486e8/
SH256 hash:
82a4065578bf324c5a382d4e43510bfe37dc2d4accaa25792aecea77c7387714
MD5 hash:
ecff0ff8f308ad9a7ab4e8d8c6632f1f
SHA1 hash:
b2149cd8ad0767e9ee467d85f7f5d97494ecb07a
Link:
https://www.unpac.me/results/dd905173-d8bb-4ae3-bd32-addaf4f486e8/
SH256 hash:
6dc76e10358805c117595139f9c8ae90a9cda21d718d1b3e8d44c8068e8b622a
MD5 hash:
fdf0d76fdf2271d8996a429630aad820
SHA1 hash:
7285499d89f064b026f7565d5ed34a2fdada983b
Link:
https://www.unpac.me/results/dd905173-d8bb-4ae3-bd32-addaf4f486e8/
SH256 hash:
88098b1e4565cd8113a64de1fc66f5f1948ec767c990bdbd5efeb7f2b23ca518
MD5 hash:
2a9ae56c097d4a340a61b20ca9f7c3f5
SHA1 hash:
2cfa4b64f40e0985e538af2e8efc31958da94870
Link:
https://www.unpac.me/results/dd905173-d8bb-4ae3-bd32-addaf4f486e8/
SH256 hash:
8e633c1c72c197d17226b125498340ad7f76a03496806f2e0deb75c203083b7f
MD5 hash:
5d6db4841c6a5e271e5047aae5477c6e
SHA1 hash:
292fd8ddb26a117c992bf707a28783657e0570e7
Link:
https://www.unpac.me/results/dd905173-d8bb-4ae3-bd32-addaf4f486e8/
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/8e633c1c72c197d17226b125498340ad7f76a03496806f2e0deb75c203083b7f

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

Executable exe 8e633c1c72c197d17226b125498340ad7f76a03496806f2e0deb75c203083b7f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/172201/

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