MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d
SHA3-384 hash: ff4ace85c627bf239e6ecfdfc3a8f073a443d1a04870b7fae2681bd881950375f34adc72da1e5f80f2a622cd18edc0e4
SHA1 hash: 3707dbcfa346e2f075bde656d7ac6f1de2c59070
MD5 hash: 6f3273921e70bf7793b9bce9b3f8afeb
humanhash: black-enemy-magnesium-utah
File name:42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d
Download: download sample
Signature AgentTesla
Create hunting rule
File size:653'824 bytes
First seen:2023-05-09 13:39:12 UTC
Last seen:2023-05-13 22:42:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:zc2yW/LAdapvscCs83H9ZLrguQGLy146kRn9UjDiNQCvf4HRJk/uegQVtN:zXyWToaycH83HfyGL24XRSnoQCoHRJk/
Threatray 1'014 similar samples on MalwareBazaar
TLSH T138D49D535065CD1FFE2ADBB1D1B4FF55A6F1F07324E190242BB92189CBA9F012E8C52A
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 adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d
Verdict:
Malicious activity
Analysis date:
2023-05-09 13:38:57 UTC
Tags:
rat agenttesla
Link:
https://app.any.run/tasks/0ac3f3b6-2112-4015-9a6f-62b259515cd3

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/387852/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/645a4d34d860ee3e1ca6780b/reports/397d579c-c802-4781-958e-cf58e2eba563/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d
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/6f1c0c7e-7073-45c7-8bb4-a47cc2feb1c0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229228
Signature
.NET source code contains potential unpacker
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
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 862212 Sample: 5anXynzwDY.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 57 api4.ipify.org 2->57 59 api.ipify.org 2->59 75 Snort IDS alert for network traffic 2->75 77 Sigma detected: Scheduled temp file as task from temp location 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 4 other signatures 2->81 8 5anXynzwDY.exe 7 2->8         started        12 zRshgsL.exe 5 2->12         started        14 zRshgsL.exe 2->14         started        16 ayiwZnwFXXKrI.exe 3 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\ayiwZnwFXXKrI.exe, PE32 8->49 dropped 51 C:\...\ayiwZnwFXXKrI.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmpBA30.tmp, XML 8->53 dropped 55 C:\Users\user\AppData\...\5anXynzwDY.exe.log, ASCII 8->55 dropped 91 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->91 93 May check the online IP address of the machine 8->93 95 Uses schtasks.exe or at.exe to add and modify task schedules 8->95 97 Adds a directory exclusion to Windows Defender 8->97 18 5anXynzwDY.exe 17 10 8->18         started        23 powershell.exe 21 8->23         started        25 schtasks.exe 1 8->25         started        99 Multi AV Scanner detection for dropped file 12->99 101 Machine Learning detection for dropped file 12->101 103 Injects a PE file into a foreign processes 12->103 27 zRshgsL.exe 12->27         started        29 schtasks.exe 12->29         started        31 zRshgsL.exe 12->31         started        33 zRshgsL.exe 14->33         started        35 schtasks.exe 14->35         started        signatures6 process7 dnsIp8 61 208.91.199.223, 49702, 49707, 49708 PUBLIC-DOMAIN-REGISTRYUS United States 18->61 63 api4.ipify.org 64.185.227.155, 443, 49700, 49704 WEBNXUS United States 18->63 69 3 other IPs or domains 18->69 45 C:\Users\user\AppData\Roaming\...\zRshgsL.exe, PE32 18->45 dropped 47 C:\Users\user\...\zRshgsL.exe:Zone.Identifier, ASCII 18->47 dropped 83 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->83 85 Tries to steal Mail credentials (via file / registry access) 18->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->87 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        65 208.91.199.224, 49705, 49706, 587 PUBLIC-DOMAIN-REGISTRYUS United States 27->65 67 173.231.16.77, 443, 49703 WEBNXUS United States 27->67 71 2 other IPs or domains 27->71 41 conhost.exe 29->41         started        73 2 other IPs or domains 33->73 89 Tries to harvest and steal browser information (history, passwords, etc) 33->89 43 conhost.exe 35->43         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-04-29 09:56:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikq3cmzvaxei66ikp66fyomfn6kmxxno575fxyu24oh3l5lhgugq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
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cdca513e22701403a62e153f5d197a4d7e3f0fb3ed18f66021e00b7b3720713a
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AgentTesla
+ 1'004 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/230509-qyh54aaa6v/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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:
f9dbcbda23bf972f9fd41786cc7865e1124c45d7e765b163d869fd90956a1d46
MD5 hash:
53bd449ce16d61a633f3f931fed6e1d5
SHA1 hash:
ecf7c3a8b00a4cbef60dc775fd7fb2d7228cf6ac
Link:
https://www.unpac.me/results/b8343ef4-3481-4c69-bf38-2df640fbf649/
SH256 hash:
af0925e4c632166ff87032bc43ea4f85a3805db3782a49724d125f44c0731114
MD5 hash:
b9897ba5e468e516e162fd3790a9ddbc
SHA1 hash:
db264c796e4a36a45af11e8a7bf71cf0dadce0f0
Link:
https://www.unpac.me/results/b8343ef4-3481-4c69-bf38-2df640fbf649/
SH256 hash:
ffcd822177bbbbe132f183ac6f323c5bc4859b1c01741adeacf9dd8c29eee778
MD5 hash:
9eaa311256a5192ee7288d577e562523
SHA1 hash:
a0f94f167e678e93cd7c6809db5806c1a0bb7488
Link:
https://www.unpac.me/results/b8343ef4-3481-4c69-bf38-2df640fbf649/
SH256 hash:
6f014ed5f2492c1e4dba51ba00e7f3278feabf9882d295f6d4e650c992508444
MD5 hash:
5509a68357957231d48ff31d09ca324e
SHA1 hash:
37b4933abead0fc2de7d2fcc161c3e5b883b6777
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/b8343ef4-3481-4c69-bf38-2df640fbf649/
Parent samples :
ff93a2e2fc9a3ff0bfe4ae5b9bef84478972cc403c1c68ce1de414e19acfa6ea
f58fea7363083d8ad73358f871c6483ab17d804ce34eb6558c62b3350ad368df
42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d
021cfdac35b7f0cb8f6ba460a33994d0128883ad281812b380978bc5127abbbc
ea5d05e0b638ccc55cf1c7d641e6ca67ceb79ac5e4be6ed178402cad263efc7e
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
Link:
https://www.unpac.me/results/b8343ef4-3481-4c69-bf38-2df640fbf649/
SH256 hash:
42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d
MD5 hash:
6f3273921e70bf7793b9bce9b3f8afeb
SHA1 hash:
3707dbcfa346e2f075bde656d7ac6f1de2c59070
Link:
https://www.unpac.me/results/b8343ef4-3481-4c69-bf38-2df640fbf649/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/42a1b1333505/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/42a1b1333505c88f790a7fbc5c39856f94cbddaeeffa5be29ae38fb5f567350d

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/387852/

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