MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290
SHA3-384 hash: 2e033889684cdffce7fdbea4adf49529c3895c56b1d0cd2495b4585fe4ead9d3811da76eb36246e1407ea44ef0e14869
SHA1 hash: 2dba24ec72dcd704d98d96de2b93d4c9c3f82f26
MD5 hash: 8fb77e0a72fd58877460ae734179d388
humanhash: winter-fourteen-mirror-bravo
File name:SecuriteInfo.com.MSIL.Agent.BBC.tr.20382.30346
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'222'080 bytes
First seen:2023-11-25 03:16:50 UTC
Last seen:2023-11-25 08:07:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:XVSZZ9WBVVjJNOUrrbsyc2TP0DHEwb3zxG6R:hrrDwbzxG
Threatray 2'388 similar samples on MalwareBazaar
TLSH T113A5C633BE97C6E3D1895736C5B715108370E881E723DB9A398A23B94843F775E4262B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 489669d8d8699648 (53 x AgentTesla, 24 x SnakeKeylogger, 16 x AveMariaRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
331
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.MSIL.Agent.BBC.tr.20382.30346
Verdict:
Malicious activity
Analysis date:
2023-11-25 03:17:44 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/9c0b2634-2ed2-46ff-b7b2-6df8212586d0

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/460116/
Detection(s):
SecuriteInfo.com.MSIL.Agent.BBC.tr.20382.30346.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
DNS request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a window
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin macros-on-open replace
Link:
https://www.filescan.io/uploads/6561672fbcca970107cb71e0/reports/4a9e28fb-14bd-40a0-98d7-8e094a732457/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290
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:
Unknown
Link:
https://analyze.intezer.com/analyses/0b5e222c-3f45-42d5-89f7-c3866e4148ec
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1347660
Signature
.NET source code contains potential unpacker
Contains functionality to log keystrokes (.Net Source)
Drops PE files to the document folder of the user
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
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: Drops script at startup location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1347660 Sample: SecuriteInfo.com.MSIL.Agent... Startdate: 25/11/2023 Architecture: WINDOWS Score: 100 74 mail.bezzleauto.com 2->74 88 Snort IDS alert for network traffic 2->88 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 6 other signatures 2->94 10 SecuriteInfo.com.MSIL.Agent.BBC.tr.20382.30346.exe 7 2->10         started        14 wscript.exe 1 2->14         started        16 svchost.exe 1 2 2->16         started        signatures3 process4 dnsIp5 68 C:\Users\user\Documents\pdf.exe, PE32 10->68 dropped 70 C:\Users\user\AppData\Roaming\...\pdf.vbs, ASCII 10->70 dropped 116 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->116 118 Drops PE files to the document folder of the user 10->118 120 Drops VBS files to the startup folder 10->120 124 3 other signatures 10->124 19 SecuriteInfo.com.MSIL.Agent.BBC.tr.20382.30346.exe 2 10->19         started        23 cmd.exe 1 10->23         started        25 powershell.exe 23 10->25         started        27 cmd.exe 1 10->27         started        122 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->122 29 pdf.exe 14->29         started        72 127.0.0.1 unknown unknown 16->72 file6 signatures7 process8 dnsIp9 76 mail.bezzleauto.com 45.151.123.240, 25, 49794, 49809 STUMPNERNETDE Germany 19->76 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->96 98 Tries to steal Mail credentials (via file / registry access) 19->98 100 Uses ipconfig to lookup or modify the Windows network settings 23->100 31 conhost.exe 23->31         started        33 ipconfig.exe 1 23->33         started        35 chrome.exe 1 25->35         started        38 conhost.exe 25->38         started        49 2 other processes 27->49 102 Multi AV Scanner detection for dropped file 29->102 104 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 29->104 106 Encrypted powershell cmdline option found 29->106 108 Injects a PE file into a foreign processes 29->108 40 pdf.exe 29->40         started        43 powershell.exe 29->43         started        45 cmd.exe 29->45         started        47 cmd.exe 29->47         started        signatures10 process11 dnsIp12 78 192.168.2.4, 138, 25, 443 unknown unknown 35->78 80 239.255.255.250 unknown Reserved 35->80 51 chrome.exe 35->51         started        110 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 40->110 112 Tries to steal Mail credentials (via file / registry access) 40->112 114 Tries to harvest and steal browser information (history, passwords, etc) 40->114 54 chrome.exe 43->54         started        56 conhost.exe 43->56         started        58 conhost.exe 45->58         started        60 ipconfig.exe 45->60         started        62 conhost.exe 47->62         started        64 ipconfig.exe 47->64         started        signatures13 process14 dnsIp15 82 plus.l.google.com 142.251.16.101, 443, 49763 GOOGLEUS United States 51->82 84 www.google.com 142.251.16.106, 443, 49740, 49741 GOOGLEUS United States 51->84 86 13 other IPs or domains 51->86 66 chrome.exe 54->66         started        process16
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-24 22:46:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
14 of 23 (60.87%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mgxvzphyiuwuttlkf6pfmk7lzvk2kyfgrk5hx4ovshybxo44akia._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
0f6154350e73fcd971f98f7bf3fd43773edd1cca24c16d259a4c755958970332
AgentTesla
20b4ef8e8decc7e48f1ce33615ea9280c20f6ff81efafa86cf5f9bd7de4ebcdd
AgentTesla
aebcd6039f3bfcf9ddfadaee2d5e631afb676e36e1497036283b24c73b810800
AgentTesla
b78001c65caffc4ff2cf300a7b2c2924a00720b34a38e5d021d115dfa419cbd5
AgentTesla
df5e129f51b16e5dec57270b57c8c742242d83d3fe7c556184cb004ef353eea5
AgentTesla
e5a39d95388a1324e37c31b9bc6a527941dd0c0736a0971ead7ec611474d2eb7
AgentTesla
+ 2'378 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231125-ds2c9sha21/
Behaviour
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
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:
61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290
MD5 hash:
8fb77e0a72fd58877460ae734179d388
SHA1 hash:
2dba24ec72dcd704d98d96de2b93d4c9c3f82f26
Link:
https://www.unpac.me/results/b7751f10-3aa0-40a3-a446-777441e60579/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/61af5cbcf845/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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

7z de4e820acefc7e02387b335cc0db0b10d9bb724880836ba237b7fac41912f15f

AgentTesla

Executable exe 61af5cbcf8452d49cd6a2f9e562bebcd55a560a68aba7bf1d591f01bbb9c0290

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/460116/
  
Dropped by
SHA256 de4e820acefc7e02387b335cc0db0b10d9bb724880836ba237b7fac41912f15f
  
Dropped by
MD5 6f726d571c05354dad7906926fec4b5a

Comments