MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b01637603c6af3bf5c0024580b4f633ccbe6fd5eddc847f2ec92fe4a9923e40. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b01637603c6af3bf5c0024580b4f633ccbe6fd5eddc847f2ec92fe4a9923e40
SHA3-384 hash: 792dc95b05e05a52485fb61954db87477e859b884c40fad20dbda495c5fef0ebf979f4546c9c05ba2db5dd85feb8e24d
SHA1 hash: 44a3bec08f306cd0c5fcb14396754a1f7064342b
MD5 hash: 91d63fa434c988ac21c4bb2a1a277b24
humanhash: autumn-march-alanine-jersey
File name:91d63fa434c988ac21c4bb2a1a277b24.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:90'832 bytes
First seen:2021-04-09 20:35:28 UTC
Last seen:2021-04-09 21:46:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:Z5FF5Sy69Vw0I4VL/IGBjxxteGnZEOb7RL:Z5FF5eBQaNnZEOb7RL
Threatray 6 similar samples on MalwareBazaar
TLSH 699394EED4F505EEFD99F53BE06135C47220696B01165637C4CE89838AC3AEE3D8C929
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
91d63fa434c988ac21c4bb2a1a277b24.exe
Verdict:
Suspicious activity
Analysis date:
2021-04-09 20:38:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f2c21ff7-445e-4abe-881d-b6398fae226a

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/133460/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36666467.6645.19457.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/95a3ef37-d19e-45aa-8cc1-d914d67592c0
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/671823
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 384856 Sample: NyfnIVrKnB.exe Startdate: 09/04/2021 Architecture: WINDOWS Score: 48 16 Multi AV Scanner detection for submitted file 2->16 6 NyfnIVrKnB.exe 15 2 2->6         started        process3 dnsIp4 14 bubuyaya.ml 6->14 9 WerFault.exe 23 9 6->9         started        process5 file6 12 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 9->12 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b01637603c6af3bf5c0024580b4f633ccbe6fd5eddc847f2ec92fe4a9923e40/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-04-09 12:47:23 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jmawg5qdy2xtx5oaajcybnhwgpgl436v5xoii7zozex6jkmshzaa._file
Verdict:
unknown
Similar samples:
28ff20fae19ae13e88927439e029938f17e0a90fc1311d5e3832f8e98ac47282
AgentTesla
3024e654175b1dca693685f526e364d61337bcd60236c82d5095cec6477c7c0b
AgentTesla
47882b961548cb3a61fed418fdfb4b714498cb53c3db242f3b6378832a32bb04
AgentTesla
671d78fc9cd97baa9a4fd89f6177ef6972640d9b101b24af51d93c87e800919d
AgentTesla
6fa3091f305d9f040aca294e296e92c3590ce397bbf650ee9f26e3bc744d1f6a
AgentTesla
9976d3013192eccd033fd429c7d9a14c2c144b8d1469d2b19fa2d6016aa74a1c
AgentTesla
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/210409-67zj5wxyla/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
4b01637603c6af3bf5c0024580b4f633ccbe6fd5eddc847f2ec92fe4a9923e40
MD5 hash:
91d63fa434c988ac21c4bb2a1a277b24
SHA1 hash:
44a3bec08f306cd0c5fcb14396754a1f7064342b
Link:
https://www.unpac.me/results/3b68d472-7347-4118-9ec0-0e50fc2acb5c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/4b01637603c6af3bf5c0024580b4f633ccbe6fd5eddc847f2ec92fe4a9923e40

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 4b01637603c6af3bf5c0024580b4f633ccbe6fd5eddc847f2ec92fe4a9923e40

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1101031/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/133460/

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