MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 287896fbc23cb4624aca3545cb597cf149fbe84d93a5879d035ae0ef174de008. 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: 13
| SHA256 hash: | 287896fbc23cb4624aca3545cb597cf149fbe84d93a5879d035ae0ef174de008 |
|---|---|
| SHA3-384 hash: | 4b094022af8ddbde3207dc30eaf4c62fe0b9e5419bdabeff5ad44b4095288b7c511ced2e7d717f385111da29e5f87882 |
| SHA1 hash: | c72d9e4f234776d869f5e23b67ff31a65ea8ceb8 |
| MD5 hash: | d17d1dfa34cddfad98e0f3298d25d98c |
| humanhash: | beryllium-violet-eight-two |
| File name: | Custom Declaration.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 844'288 bytes |
| First seen: | 2021-08-22 17:16:48 UTC |
| Last seen: | 2021-08-24 16:43:20 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 24576:RLYBRNbgR62uE21+QYWLslcujXMp/nGIBG:1Yl0R6rjkQYmslHjO/GkG |
| Threatray | 8'741 similar samples on MalwareBazaar |
| TLSH | T1080512BA87DC9E2BC75E60BEC850324047F5C1C26E63F7C85D8D34F61683B256B9905A |
| Reporter |  GovCERT_CH |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
452
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Custom Declaration.exe
Verdict:
Malicious activity
Analysis date:
2021-08-22 17:19:51 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
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.
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-22 15:14:49 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 8'731 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
2550a142e546acc47033f5237e9b9c33d0558ac762bb279398bb25c831100f58
MD5 hash:
3418918715a587f5b31aa2b36440cf89
SHA1 hash:
8822368cc5b9033fc8799a16dafa1188c1bb4afc
SH256 hash:
1c0e80629bbbb2cb155f3e2035dcceeefb5509100f0c1ac14fd575d61bb0c95a
MD5 hash:
a84d856eeb9e8c2159bbe9e236c2f2e9
SHA1 hash:
41a58797f33fd41cda9676153c4a95b2d90839a9
SH256 hash:
287896fbc23cb4624aca3545cb597cf149fbe84d93a5879d035ae0ef174de008
MD5 hash:
d17d1dfa34cddfad98e0f3298d25d98c
SHA1 hash:
c72d9e4f234776d869f5e23b67ff31a65ea8ceb8
Malware family:
Agent Tesla v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | 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
Dropped by
agenttesla
Delivery method
Distributed via e-mail attachment
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