MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aefcc5d5448a3fc16f8a0aacd92994424efd650ae9d48bb24006bd254a828c8b. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: aefcc5d5448a3fc16f8a0aacd92994424efd650ae9d48bb24006bd254a828c8b
SHA3-384 hash: f63a35968fe654ad0f6008eef64397e4119fd96a63f0319a346cfb2a26236afb86c1c85bef69f4fee501a3479bffd88e
SHA1 hash: f4422d682dce86361058d94c20e1c5567fbc2005
MD5 hash: c00254fdcafb3a44e4a25f11548d53e7
humanhash: king-ink-table-bakerloo
File name:MV. Ever Brilliant - SHIP PARTICULARS.docx.exe
Download: download sample
Signature AgentTesla
File size:562'176 bytes
First seen:2022-03-28 17:38:41 UTC
Last seen:2022-03-28 18:50:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:RGSsrnUb33Gf72clWYyf+z8T6Qfr5D6SK3T7/PeIaLtthEu5:RdIUb31clWYyfSQISKD7eI
TLSH T1B9C45E5C7A055A62FDCE993249012A14FF6E0B2332B0F9C657CB16CBCB4F4966D16F88
File icon (PE):PE icon
dhash icon c896d8ece4e0f112 (2 x AgentTesla)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Launching a process
Running batch commands
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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 very large array initializations
Binary or sample is protected by dotNetProtector
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598582 Sample: MV. Ever Brilliant - SHIP P... Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 5 other signatures 2->43 7 MV. Ever Brilliant - SHIP PARTICULARS.docx.exe 3 2->7         started        10 ccvbn.exe 2 2->10         started        process3 signatures4 45 Writes to foreign memory regions 7->45 47 Injects a PE file into a foreign processes 7->47 12 vbc.exe 6 7->12         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        49 Multi AV Scanner detection for dropped file 10->49 51 Machine Learning detection for dropped file 10->51 53 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->53 process5 dnsIp6 31 smtp.uk-custom.com 12->31 33 us2.smtp.mailhostbox.com 208.91.198.143, 49781, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->33 35 208.91.199.224, 49789, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->35 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->57 59 Tries to steal Mail credentials (via file / registry access) 12->59 63 3 other signatures 12->63 27 C:\Users\user\AppData\Roaming\...\ccvbn.exe, PE32 16->27 dropped 29 C:\Users\user\...\ccvbn.exe:Zone.Identifier, ASCII 16->29 dropped 21 conhost.exe 16->21         started        61 Uses schtasks.exe or at.exe to add and modify task schedules 19->61 23 conhost.exe 19->23         started        25 schtasks.exe 1 19->25         started        file7 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-28 13:47:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Uses the VBS compiler for execution
Executes dropped EXE
AgentTesla
Unpacked files
SH256 hash:
0eae3e412b4660d29f9c5a2cf905ef88d7636bc8855c73b2592a7b0d7a477be4
MD5 hash:
9a16051f7cd5bdc8365f95a30cdb115b
SHA1 hash:
bd3f77a8ff378c1342f4b872570fa2acff5cea8e
SH256 hash:
aefcc5d5448a3fc16f8a0aacd92994424efd650ae9d48bb24006bd254a828c8b
MD5 hash:
c00254fdcafb3a44e4a25f11548d53e7
SHA1 hash:
f4422d682dce86361058d94c20e1c5567fbc2005
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:INDICATOR_EXE_Packed_Babel
Author:ditekSHen
Description:Detects executables packed with Babel
Rule name:INDICATOR_EXE_Packed_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_Goliath
Author:ditekSHen
Description:Detects executables packed with Goliath
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Comments