MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61
SHA3-384 hash: caa0d3715c21b3f658ab78a0c1ae8da910f47066f1bc4f00639bdfa2e505b279430a30d94bc24a6858d535712cbbe889
SHA1 hash: 03c760138144fb6ef7e6925f86cc5113e3725aff
MD5 hash: f7cf3d8ffbcb3969be7fb179bf6cc58b
humanhash: indigo-spaghetti-salami-oven
File name:Payment invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:743'936 bytes
First seen:2023-08-17 13:55:12 UTC
Last seen:2023-08-18 06:55:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:j2iNsXDl+CEaJmZNGjeDDkXqmBjTZRtcwWgemyt9+p0jEj:j1g7uNK/xQmDaY0o
Threatray 5'577 similar samples on MalwareBazaar
TLSH T166F41214B2A66B3DC17D87F674A099113FB8460BD066EE661FD879CB203AB6001D7B73
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
305
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Payment invoice.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 13:56:45 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/0e49bb5a-5744-49cd-88a5-95921b02c725

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/443216/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64de26f3a29d57e20384e3ff/reports/f9a08940-ca49-4178-b4c3-f1740d737f41/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b96d4e80-b7d8-474a-8f2e-c37cb7939514
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1292804
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-17 13:26:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xc72s3nyihfzk4r7l6delzmnnhfgh3flbtovbueox24gj3dgvzqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1b91aa318e9c011abed18662e8c577ddcb12499de26e2fd19bfb4a4ea81f7450
AgentTesla
50671a5bf0d58b9a8aa7fd42a637c27d6db8f2e35a6a1faef249a7b6a779fcb1
AgentTesla
58fd81b3dab9a0a782d4ba5add432bec81dfcbe752287fbb16cbcf165aca3fa1
AgentTesla
6a43a145806aa6aeef3f5c73d915281a6ea092e254ffa4fa8c2d14b0133eb603
AgentTesla
91f0f5e6c276a0545b4008f3401571966295ae33e492678f9115dfaaa0111df5
AgentTesla
b299c276e1ba44a84bc6150b96323929e76db0db1dda3f31867734c3bdb68b06
AgentTesla
b9a72ccaad2c22150062d59d79744e1ab3aa5a106aa0837bdde9e05ccb39c91e
AgentTesla
c39ad96c11ee253b9a3f70dddfaa8620adee27308432a5f0f4c4489bf4ba1eec
AgentTesla
cbabe9d8d2218ede4d631e216f8e0fbe7efab01ad9f52dc2652df994f7950922
AgentTesla
ccb3e41aff5b7db4edec1584d33f82daee7b1869a25ca6f4283b42a04b897c82
AgentTesla
+ 5'567 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230817-q8ntbsbd21/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
72870e8fc15644e0476ddf392284205bc0394c0730d6f8aeb93eb6e698571f35
MD5 hash:
57010367f5ad55788977ee08ab438eda
SHA1 hash:
e5b303d190cd7f7c720318b9f15953007b744d41
Link:
https://www.unpac.me/results/689fcf23-ba26-4cb3-a6a8-8ee72c642412/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/689fcf23-ba26-4cb3-a6a8-8ee72c642412/
SH256 hash:
84b5490f404b3f65759a7f7eaf4aec91ec84d7af956d6d90644b543f67294211
MD5 hash:
71e9dd3d9cf992ad8ffffe1ab675315e
SHA1 hash:
5c50993853ab27b148e30f41515d41e48ebaeadd
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/689fcf23-ba26-4cb3-a6a8-8ee72c642412/
Parent samples :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 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
Link:
https://www.unpac.me/results/689fcf23-ba26-4cb3-a6a8-8ee72c642412/
SH256 hash:
b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61
MD5 hash:
f7cf3d8ffbcb3969be7fb179bf6cc58b
SHA1 hash:
03c760138144fb6ef7e6925f86cc5113e3725aff
Link:
https://www.unpac.me/results/689fcf23-ba26-4cb3-a6a8-8ee72c642412/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b8bfa96db841/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61

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:NET
Create hunting rule
Author:malware-lu
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 b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443216/

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