MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439
SHA3-384 hash: 0e69b0da1909613574bb2ca52febb482142ada8a197a143678498a49c231fcd08ce0116fe48361b0086477aec557221a
SHA1 hash: d06e16fc3b3ff6080952f61ab6c9be081d439d25
MD5 hash: c05c9fb8c87eef62e1a899172a0c895a
humanhash: uniform-two-harry-beer
File name:AWB #2774038374.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:752'128 bytes
First seen:2023-11-20 08:48:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:F/OEuPkLt7p8U0RNfNasMn3yZTIk7u/m8RUcLAwppSJWwbxQluDiSurp:F/OXut7B0QyZTV8FRUcV
TLSH T121F4BFAD72507AEFC86BCC768D692C64EA2064B7830BD247A017169D9E0DAD7CF141F3
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
308
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
AWB #2774038374.exe
Verdict:
Malicious activity
Analysis date:
2023-11-20 08:50:30 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/8de320fb-c0d3-4573-9599-5ecb84813b87

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459270/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439
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/a36d2c35-6446-4855-923a-66494122a7df
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345048
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Contains VNC / remote desktop functionality (version string found)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1345048 Sample: AWB_#2774038374.exe Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 38 smtp.yandex.ru 2->38 40 smtp.yandex.com 2->40 42 2 other IPs or domains 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 8 other signatures 2->54 8 AWB_#2774038374.exe 7 2->8         started        12 bwEhfSX.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\bwEhfSX.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp4E0A.tmp, XML 8->36 dropped 56 Detected unpacking (changes PE section rights) 8->56 58 Detected unpacking (overwrites its own PE header) 8->58 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 68 3 other signatures 8->68 14 RegSvcs.exe 8->14         started        17 powershell.exe 23 8->17         started        19 RegSvcs.exe 15 2 8->19         started        22 schtasks.exe 1 8->22         started        62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Writes to foreign memory regions 12->66 24 RegSvcs.exe 2 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 72 Contains functionality to register a low level keyboard hook 14->72 28 conhost.exe 17->28         started        44 api4.ipify.org 173.231.16.77, 443, 49706, 49708 WEBNXUS United States 19->44 30 conhost.exe 22->30         started        46 smtp.yandex.ru 77.88.21.158, 49711, 49712, 49723 YANDEXRU Russian Federation 24->46 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->74 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Contains VNC / remote desktop functionality (version string found) 24->78 80 2 other signatures 24->80 32 conhost.exe 26->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-16 05:54:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 23 (78.26%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ve5cgsvhbllwo75jjtn7mek7dwzski6msmzxb47b246vn2wjkq4q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231120-kq1saaeg44/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
dea5faecf7ef2a95d78dae201d1534b281a7ef892004a1e5b51a6db6e5eafebc
MD5 hash:
6e3e4cb7e9e41f2018e49aeddd05fc24
SHA1 hash:
d4f27d72e435609d72ae097c096668940c58c6c3
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/ee4bdcf2-ac3b-4baa-bff4-54643e409f71/
Parent samples :
8d73435308ce02c19cf26a6713478da7f50e989301f53589e66cd54fc25d912a
4722cb29b7819a5ac339733693f3d6d8f2203881cde7219dfde83322ac67da5e
a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/ee4bdcf2-ac3b-4baa-bff4-54643e409f71/
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/ee4bdcf2-ac3b-4baa-bff4-54643e409f71/
SH256 hash:
ad12e4d034197c81123cd976cd21010e99bb2dd1c675527c313dd6e7b9aef5e3
MD5 hash:
5161f21b33d624f000c63387165ba949
SHA1 hash:
9a48d8fe050ebd1e6889e285499a2a80e0846586
Link:
https://www.unpac.me/results/ee4bdcf2-ac3b-4baa-bff4-54643e409f71/
SH256 hash:
a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439
MD5 hash:
c05c9fb8c87eef62e1a899172a0c895a
SHA1 hash:
d06e16fc3b3ff6080952f61ab6c9be081d439d25
Link:
https://www.unpac.me/results/ee4bdcf2-ac3b-4baa-bff4-54643e409f71/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a93a234aa70a/report/overview.html
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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Malspam

AgentTesla

Executable exe a93a234aa70ad7677fa94cdbf6115f1db32523cc933370f3e1d73d56eac95439

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459270/

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