MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b5fdd54d03568aa937bc3e4bebb8972f40860192f38348e0cd97f61f8ab00f7. 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

SHA256 hash: 8b5fdd54d03568aa937bc3e4bebb8972f40860192f38348e0cd97f61f8ab00f7
SHA3-384 hash: b1451a0ebdef3b7742de65419d3e73fef32f68af387de71d296cce33af41d610a27f0d9d9184626d352506f121f57036
SHA1 hash: bd1f04b52df8a34cb211a254b1351303abd44a88
MD5 hash: e85d6008f4fdbf93b39ec5dc8e5e0b68
humanhash: lion-delaware-cola-kansas
File name:BTA-SI-TR-23-03 Proforma Invoice 10376491.exe
Download: download sample
Signature AgentTesla
File size:677'888 bytes
First seen:2023-04-19 05:41:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:F2sExolENV0cikgqOFm28delPxBk80u6u7JJ1XM6zw06/:F2BbgL8deFxlpJoow06
Threatray 152 similar samples on MalwareBazaar
TLSH T144E49C7E798F8166E139C6B39F97F464F37D852B702D7C2924D71A0082CA94BB0C85AD
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 1313474544444347 (8 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
220
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
BTA-SI-TR-23-03 Proforma Invoice 10376491.exe
Verdict:
Malicious activity
Analysis date:
2023-04-19 05:41:46 UTC
Tags:
agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
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)
Moves itself to temp directory
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp 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 steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 849446 Sample: BTA-SI-TR-23-03_Proforma_In... Startdate: 19/04/2023 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 11 other signatures 2->46 7 BTA-SI-TR-23-03_Proforma_Invoice_10376491.exe 6 2->7         started        11 OXBdEOS.exe 5 2->11         started        process3 file4 32 C:\Users\user\AppData\Roaming\OXBdEOS.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp112D.tmp, XML 7->34 dropped 36 BTA-SI-TR-23-03_Pr...ce_10376491.exe.log, ASCII 7->36 dropped 48 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 13 BTA-SI-TR-23-03_Proforma_Invoice_10376491.exe 15 2 7->13         started        17 schtasks.exe 1 7->17         started        54 Machine Learning detection for dropped file 11->54 56 Injects a PE file into a foreign processes 11->56 19 OXBdEOS.exe 14 2 11->19         started        22 schtasks.exe 1 11->22         started        24 OXBdEOS.exe 11->24         started        signatures5 process6 dnsIp7 38 api.telegram.org 149.154.167.220, 443, 49698, 49699 TELEGRAMRU United Kingdom 13->38 58 Moves itself to temp directory 13->58 26 conhost.exe 17->26         started        30 C:\Users\user\AppData\...\tmpG644.tmp (copy), PE32 19->30 dropped 60 Tries to steal Mail credentials (via file / registry access) 19->60 62 Tries to harvest and steal browser information (history, passwords, etc) 19->62 64 Installs a global keyboard hook 19->64 28 conhost.exe 22->28         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-04-19 02:38:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5409839916:AAEYUYZy0IhJQAm4VXi620si4okGW8FDL2w/
Unpacked files
SH256 hash:
fb216f85fa1f3027333d464677d5281469bdb4c917a5146dba2110a83102e94d
MD5 hash:
3ef26cbaa09931fee19d59d0a2720f1d
SHA1 hash:
f7cf690a6dc955a77427f8b92d652be31e062584
SH256 hash:
10fbf76f5b6f715fc3c136103b5e4b757d184fd2b77d64fc5304c36eaea063d1
MD5 hash:
6894612b52ce435495ea7e5ee9415add
SHA1 hash:
bd772aaee326db17ff27df0359f77c8091c2914a
Detections:
AgentTesla
Parent samples :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 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
SH256 hash:
8b5fdd54d03568aa937bc3e4bebb8972f40860192f38348e0cd97f61f8ab00f7
MD5 hash:
e85d6008f4fdbf93b39ec5dc8e5e0b68
SHA1 hash:
bd1f04b52df8a34cb211a254b1351303abd44a88
Malware family:
AgentTesla.v3
Verdict:
Malicious
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
Rule name:Skystars_Malware_Imphash
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 8b5fdd54d03568aa937bc3e4bebb8972f40860192f38348e0cd97f61f8ab00f7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments