MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 243a6741377a1894730149b89811628dc45bb13cd1db221b08cd684adfb9a372. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 243a6741377a1894730149b89811628dc45bb13cd1db221b08cd684adfb9a372
SHA3-384 hash: 4cbe28fcfaaa39092bc70e5840ffa5bb04cef8553f0c1dccf00c48f56a6e7bd7781cea73c5c1bf6b5006924e741920e7
SHA1 hash: c67fb80e5f563284c18e838fe037b9cd156a3082
MD5 hash: d6d0dfc445c15fd75983f186ce35e9d9
humanhash: wolfram-uncle-carolina-friend
File name:Signed Doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:884'224 bytes
First seen:2023-07-04 14:57:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Ub3nsa9x1LsqbKfGweTdLMq7fvHXtBu4aEzJ3OdrfQju6nR9:zfGw0L/tBuazJArfmu6b
Threatray 4'514 similar samples on MalwareBazaar
TLSH T10415633D68CAA526D138F7B6C420EBD6F25377423783C94A7FC21AADB41232976D518C
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 malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
317
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Signed Doc.exe
Verdict:
Malicious activity
Analysis date:
2023-07-04 14:59:44 UTC
Tags:
rat agenttesla
Link:
https://app.any.run/tasks/ec9cae5e-b839-41b4-8e16-28146b86b9b3

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/406825/
Detection(s):
SecuriteInfo.com.Heur.Variadic.A.410.1.23403.8193.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd lolbin packed replace
Link:
https://www.filescan.io/uploads/64a4337b2299d2688264af8f/reports/ef82f522-b6ab-4486-acb9-d9736e9c7f02/overview
Verdict:
Malicious
Labled as:
Variadic.A.410.Generic
Link:
https://www.hybrid-analysis.com/sample/243a6741377a1894730149b89811628dc45bb13cd1db221b08cd684adfb9a372
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/8c284106-ee41-4956-b616-a37049e6f821
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1266709
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1266709 Sample: Signed_Doc.exe Startdate: 04/07/2023 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 Sample uses string decryption to hide its real strings 2->47 49 2 other signatures 2->49 6 Signed_Doc.exe 3 2->6         started        10 jaga.exe 2 2->10         started        12 jaga.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\Signed_Doc.exe.log, ASCII 6->23 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 May check the online IP address of the machine 6->53 14 Signed_Doc.exe 17 5 6->14         started        19 Signed_Doc.exe 6->19         started        21 Signed_Doc.exe 6->21         started        55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 signatures5 process6 dnsIp7 29 api4.ipify.org 64.185.227.156, 443, 49697 WEBNXUS United States 14->29 31 smtpout.us-phx.vox.secureserver.net 173.201.193.229, 49698, 587 AS-26496-GO-DADDY-COM-LLCUS United States 14->31 33 3 other IPs or domains 14->33 25 C:\Users\user\AppData\Roaming\jaga\jaga.exe, PE32 14->25 dropped 27 C:\Users\user\...\jaga.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file / registry access) 14->37 39 Tries to harvest and steal browser information (history, passwords, etc) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/243a6741377a1894730149b89811628dc45bb13cd1db221b08cd684adfb9a372/
Threat name:
Win32.Trojan.Variadic
Create hunting rule
Status:
Malicious
First seen:
2023-07-04 14:58:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eq5goqjxpimji4ybjg4jqelcrxcfxmj42hnsegyizvuevx5zunza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
5b1d470fd0b7b2edef114e5834f29e6fbe844c292a449a7d32bc402b8840f697
AgentTesla
5f6f7213190e70f29facc25878e3a95958f48e78796dd01410a2c633314bf229
AgentTesla
6e4b2204ab34ef1534d3c80e379e200f37a05e04ed2856d2df2f5983e9351ce6
AgentTesla
73bb3aadb9432efe0971a8211681ed2df1d891997fbcd1add6f4960eb05cda43
AgentTesla
7b6ab4ef4d38378572556f67ccc9052b05725c42da497b24272c9b452b6893c9
AgentTesla
84ebd97fd1765dc6341db835a8dc4cff8edefd8f263f87e7b1c89b9d60167447
AgentTesla
ea016352c5d29278244cf4a0ce4188c199863ba6bfef978c9dee5804fe9c8f79
AgentTesla
+ 4'504 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230704-sb53fseb86/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
AgentTesla
Unpacked files
SH256 hash:
07e2b42eb5c92cb79972397de463d3ca19edb481ca385c6a762b987151c45894
MD5 hash:
78f430f30692d313557857d1282a7cac
SHA1 hash:
eab8518fe68bece6d528c4c62657d399dcadef8f
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
4571ff925f117345c74824f3fb4f00721e191c2b778660b2ab369e05bf8d40a6
MD5 hash:
0665a7c9f30fece3313a07197f8b68ea
SHA1 hash:
409288aab2956243bed281f83c898f9d6f1a7753
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
07e2b42eb5c92cb79972397de463d3ca19edb481ca385c6a762b987151c45894
MD5 hash:
78f430f30692d313557857d1282a7cac
SHA1 hash:
eab8518fe68bece6d528c4c62657d399dcadef8f
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
4571ff925f117345c74824f3fb4f00721e191c2b778660b2ab369e05bf8d40a6
MD5 hash:
0665a7c9f30fece3313a07197f8b68ea
SHA1 hash:
409288aab2956243bed281f83c898f9d6f1a7753
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
07e2b42eb5c92cb79972397de463d3ca19edb481ca385c6a762b987151c45894
MD5 hash:
78f430f30692d313557857d1282a7cac
SHA1 hash:
eab8518fe68bece6d528c4c62657d399dcadef8f
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
4571ff925f117345c74824f3fb4f00721e191c2b778660b2ab369e05bf8d40a6
MD5 hash:
0665a7c9f30fece3313a07197f8b68ea
SHA1 hash:
409288aab2956243bed281f83c898f9d6f1a7753
Detections:
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
SH256 hash:
243a6741377a1894730149b89811628dc45bb13cd1db221b08cd684adfb9a372
MD5 hash:
d6d0dfc445c15fd75983f186ce35e9d9
SHA1 hash:
c67fb80e5f563284c18e838fe037b9cd156a3082
Link:
https://www.unpac.me/results/656e613b-b978-439f-9179-398ca602e3bb/
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Cape
Cape
https://www.capesandbox.com/analysis/406825/

Comments