MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a
SHA3-384 hash: 82232fb5efb07cb393c9217aec976b91c8920a868521b423d768cf0897d21ef0fa0ea787b128b32989671c28dc18db98
SHA1 hash: 164a7690e0750d05b746ed2fad923f0d9062e7ad
MD5 hash: 1a8ecce7b0d4656dd009ad1a319ee5f4
humanhash: juliet-queen-washington-comet
File name:SecuriteInfo.com.BehavesLike.Win32.Generic.dc.19990
Download: download sample
Signature AgentTesla
Create hunting rule
File size:986'624 bytes
First seen:2020-10-12 13:45:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:4k1ehgt7dLZDJuHWEyz0NrxH2nIEqtG/p/44AKFGWDCmaHW:4kUSdBZdmWEyz0P2IEq8B/44AKFG2p
Threatray 19 similar samples on MalwareBazaar
TLSH F725234D732D6B17C8BF9ABDF9A02A0647309953713BDB5A1F95C6E9130A3884C123D7
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70087/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.dc.19990.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/488457
Signature
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: RegAsm connects to smtp port
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a/
Threat name:
ByteCode-MSIL.Trojan.Malrep
Create hunting rule
Status:
Malicious
First seen:
2020-10-12 11:23:10 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwftw7yxrvupjjgjugmfxqvn224vd5cj2gafbjicqkvzrueijkfa._file
Verdict:
unknown
Similar samples:
128077c7c2616b13946e1356a9cf02b6b26433c68a211463eb89dc92cca802b8
AgentTesla
1e2a5a244c5f517c008adc35923daad231167dc60d9a388347a061996535b283
AgentTesla
5b5a1a7507d3758b05be55fb8218911b700fb933750fb310b454680e580fc58a
AgentTesla
5f7245f78a3e2949e437076dbff5d4f607d8fc7f961989577031b316e45897a2
AgentTesla
61428a4a145ce3e7e243b22720151e1ac396abca4ecbb0560b29fa75b71859ee
AgentTesla
669def58a14c36be79b412c7333144359ef4b8756105c09994d564a13e487d9f
AgentTesla
859fc8e7cbbba010c53cc2243f5d6c0b5ff9bea3a4e7df40e48eea523b4650d4
AgentTesla
d596d686f2d498b5c26edcbef7e1bcacd99a60d2a2bad7b49234e68afe3b2f40
AgentTesla
f0b8f39cd0fd0a840db7c970362e5bd1e48600c341a97ffd1f742ea37f561bd8
AgentTesla
fce6bfb928dd92b696a1af343d0b98561c3e594387218630db943106fea38776
AgentTesla
+ 9 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/201012-fqcbjazt72/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a
MD5 hash:
1a8ecce7b0d4656dd009ad1a319ee5f4
SHA1 hash:
164a7690e0750d05b746ed2fad923f0d9062e7ad
Link:
https://www.unpac.me/results/46a43974-e313-4150-9052-a6d032d4628e/
SH256 hash:
af6fa90548dc754915ff7caa57c48b009483c820067744eef5695d5e8163efc9
MD5 hash:
c9e5841bc3e45ec5119086a9cd86b76a
SHA1 hash:
5eea3b064ee36f8345a1355a7358ca159c21ea00
Link:
https://www.unpac.me/results/46a43974-e313-4150-9052-a6d032d4628e/
SH256 hash:
0326076b2363e93384c61d13b7144abe8b4369b57a8bb8882a86b77fc914a47e
MD5 hash:
f436e4cef29910f870a89c607b6c1883
SHA1 hash:
87d0a79c340a7434a4c8fbbe0aa8344afe083a30
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/46a43974-e313-4150-9052-a6d032d4628e/
Parent samples :
4550cd933a3377cb684ee448c73853dc7d82f86df263ba5f083b4bed4decfa18
d74793e37eabc74dcde1ad5f44d392e3d9a8a3034b65b49bdee5bed2df0eebbf
e64d00759f3a83d60623f2ead90f2c9558665b0811c9b883a62a95997994db86
c4ed5a9a3b0bbbeccabff717bd902c384c190dca28646bdfa8bdd3a48c6129be
a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a
7ed42f7ef1538a1e13b685f37ed0b2995fdd7151af2a5ae97c68112bb244ef8d
f5341d66214d3735ee48fb7344753c6d4d8d9a8c5d0a3fa3d55fa6ceb7fff74e
b60f7101e7fe4632ce94f03fe039e6ff31d5d4a00b304fff73f7cfd3d9023e4c
0bbacf96ab729cadd901f6053f3279445605754850924ac85809e1b93fc7d4f5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a

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: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.

Web download

AgentTesla

Executable exe a58b3b7f178d68f4a4c9a1985bc2add6b951f449d18050a50282ab98d0884a8a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/683978/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/70087/

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