MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1c4b4441e3216049a7c0a8807bdaa0304a2162e0ae6d38b2c1bdb76003fe20f8. 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: 9
| SHA256 hash: | 1c4b4441e3216049a7c0a8807bdaa0304a2162e0ae6d38b2c1bdb76003fe20f8 |
|---|---|
| SHA3-384 hash: | b7d37996980e9a7ccd7f75e656179f94f321c3d25531db2aff83167b11bff4115374d98ea8421ce66bea1a8ebabd1ac6 |
| SHA1 hash: | bb21cf2e390906f06e4279f8a583431246135982 |
| MD5 hash: | e8f7486e21533cc37eba827b47ab06ca |
| humanhash: | river-low-nuts-missouri |
| File name: | OS3USGL7.EXE |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 803'328 bytes |
| First seen: | 2021-03-31 05:55:13 UTC |
| Last seen: | 2021-03-31 06:50:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:SW1JBTMQhCFJpu1AQU4McFdMaKrTqJGTbK:Dn/TUlSX+K |
| Threatray | 27 similar samples on MalwareBazaar |
| TLSH | 8A05E014321ABD91E43A87F240DD1B4263F39BC58315D93DBC90D1849EE3AC7BADAAC5 |
| Reporter |  cocaman |
| Tags: | AgentTesla exe SWIFT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
OS3USGL7.EXE
Verdict:
Malicious activity
Analysis date:
2021-03-31 05:58:15 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
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)
Sigma detected: Scheduled temp file as task from temp location
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
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 17 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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
SH256 hash:
1c4b4441e3216049a7c0a8807bdaa0304a2162e0ae6d38b2c1bdb76003fe20f8
MD5 hash:
e8f7486e21533cc37eba827b47ab06ca
SHA1 hash:
bb21cf2e390906f06e4279f8a583431246135982
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
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: | ach_AgentTesla_20200929 |
|---|---|
| Author: | abuse.ch |
| Description: | Detects AgentTesla PE |
| Rule name: | MALWARE_Win_AgentTeslaV3 |
|---|---|
| Author: | ditekSHen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | win_agent_tesla_v1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects Agent Tesla |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Other
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