MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbd3f38398e3b53093eb6223b8c239215cdbd671992b62607aa792ca3af6a288. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbd3f38398e3b53093eb6223b8c239215cdbd671992b62607aa792ca3af6a288
SHA3-384 hash: 58f64daf2edcf2f9b908a1572f219526fab411ba1722e93928340c2dd3944152afd69c040ed5b6d0d0fb864f4821337c
SHA1 hash: db5f189c76df0eb2f609d8cbefb2097f8d44ec21
MD5 hash: 8ab90dc039ed2d6419872f42ed4557b7
humanhash: oranges-hawaii-mockingbird-india
File name:8ab90dc039ed2d6419872f42ed4557b7.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:750'592 bytes
First seen:2021-09-30 15:19:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:pP1NAccVHbQ+X8+UiDLbRHahnUMLBrFxuUMIDztEKTsAUN5qA0OiPdoEVnesFdOv:pDbCbQ+X8+UiDLbRHahnUyFxuUdTTrUd
Threatray 10'546 similar samples on MalwareBazaar
TLSH T1CAF49D54F11CD2B9FE0822B1253DFCD826F82EA8147DF91BB997B1E224B9E3154B0197
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8ab90dc039ed2d6419872f42ed4557b7.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-30 21:15:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/da7cdab0-4b6e-4bef-8cca-8b8a1d252c4a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/193722/
Detection(s):
SecuriteInfo.com.Variant.Fonctuzim.1.13267.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9fe2afab-c055-43d4-8473-c343f724796b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/862043
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 494470 Sample: sGVF7yleCQ.exe Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 38 api.telegram.org 2->38 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected AgentTesla 2->50 52 Yara detected Telegram RAT 2->52 54 6 other signatures 2->54 8 sGVF7yleCQ.exe 4 2->8         started        12 winfiles.exe 4 2->12         started        14 winfiles.exe 2 2->14         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\sGVF7yleCQ.exe.log, ASCII 8->36 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->58 60 Adds a directory exclusion to Windows Defender 8->60 16 sGVF7yleCQ.exe 17 5 8->16         started        20 powershell.exe 25 8->20         started        62 Multi AV Scanner detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 22 powershell.exe 12->22         started        24 winfiles.exe 12->24         started        26 winfiles.exe 12->26         started        signatures6 process7 file8 32 C:\Users\user\AppData\...\winfiles.exe, PE32 16->32 dropped 34 C:\Users\...\winfiles.exe:Zone.Identifier, ASCII 16->34 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->40 42 Tries to steal Mail credentials (via file access) 16->42 44 Tries to harvest and steal ftp login credentials 16->44 46 2 other signatures 16->46 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fbd3f38398e3b53093eb6223b8c239215cdbd671992b62607aa792ca3af6a288/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-30 11:11:15 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
39823b2744892f886cca256d6f56b3f3b706a095e2ee11ee8656067680f9acbf
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3c36046f192e925f9e4a7fd97776991de38db4727a5ac105ede76aabb08f6d90
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8e48befb34606371ee714b3ab3853f86a836dd25069342e923dae732bd9a19b4
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989f330817cadbe60308cdd0977792aa3ee8fd2f55b2e92ed32d2416de16c32d
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98ed86d837b442f105a469449651fdd24102b6e6b02fcff1a3e08730671210d3
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b96e5b8548a31fc43385a31b1c23a9ad95440309ccc6baa10dced1833e118d5e
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d47da005885b968328d25d493a11e0fe3a146c9103f24b0de735a02b117c6a4b
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d8df180f1f880ef3d7d0066d76d717bec1bfb74073765895c4192895abc57d26
AgentTesla
f3285a6428db2448d8133c3caa3815148f41b25a2af7ad87d1ced24396c56c2d
AgentTesla
+ 10'536 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/210930-sqrtdaabdn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2011876152:AAE2-KS2icrnTIfs2BShfFL-azbHdJ_0afc/sendDocument
Unpacked files
SH256 hash:
5e6de8c6d7fbc4799e14878c580ac2e8fa64c265741252ae9494a0eeb649b948
MD5 hash:
719f761f36a7eae0b906af2f79d74997
SHA1 hash:
8b08256316ca39df775f9403ba2b741b8d41aa2c
Link:
https://www.unpac.me/results/c52a9b1a-09ff-432d-8dda-053efe4ee431/
SH256 hash:
fb9f721fd4d02fc382dec378a1a52319273872adb2028e3daef7d36d109b424f
MD5 hash:
733612e1ba27ae7e024a1fc02c9eccf9
SHA1 hash:
7ae092d1af349b77f012c4532967f132c3a49301
Link:
https://www.unpac.me/results/c52a9b1a-09ff-432d-8dda-053efe4ee431/
SH256 hash:
6fef8420a8bd6a90cfe7ac8aeb0e3811422b9b6cb9e0b14ea03f5236438f72ba
MD5 hash:
10c7772f435231d58046e0dc34def127
SHA1 hash:
38c8f9ffb5136848d62582ef41bab6c810121c74
Link:
https://www.unpac.me/results/c52a9b1a-09ff-432d-8dda-053efe4ee431/
SH256 hash:
f7d272daf3522f99ca67b99bfe557564baba239104c7f20cef842f2e870bdf28
MD5 hash:
cceaca53d81061c0f1c6cf35ca7bf34b
SHA1 hash:
23ba45b249e0e4bdc5a8d4b4b07e2f7509cf85be
Link:
https://www.unpac.me/results/c52a9b1a-09ff-432d-8dda-053efe4ee431/
SH256 hash:
b53ac3a6de27baaedd5c2f283ea8c3a20cd32459f1cf3a7cba6eb519d1141955
MD5 hash:
f2210e7004cb39841cda5c09df28961e
SHA1 hash:
23821b7af36caa755790da26da8d4e7cf0cf9565
Link:
https://www.unpac.me/results/c52a9b1a-09ff-432d-8dda-053efe4ee431/
SH256 hash:
fbd3f38398e3b53093eb6223b8c239215cdbd671992b62607aa792ca3af6a288
MD5 hash:
8ab90dc039ed2d6419872f42ed4557b7
SHA1 hash:
db5f189c76df0eb2f609d8cbefb2097f8d44ec21
Link:
https://www.unpac.me/results/c52a9b1a-09ff-432d-8dda-053efe4ee431/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fbd3f38398e3/report/overview.html
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/fbd3f38398e3b53093eb6223b8c239215cdbd671992b62607aa792ca3af6a288

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: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.

Web download

AgentTesla

Executable exe fbd3f38398e3b53093eb6223b8c239215cdbd671992b62607aa792ca3af6a288

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/193722/
  
URLhaus
https://urlhaus.abuse.ch/url/1638497/
  
Delivery method
Distributed via web download

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