MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 66a8f1bba4215a2cf2998019488ab48385b8486d906d703f2e6899101d121397. 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: | 66a8f1bba4215a2cf2998019488ab48385b8486d906d703f2e6899101d121397 |
|---|---|
| SHA3-384 hash: | 1a80591afca626882d1dd5d480f3d956bbae9d4fc171d1b741b269797dcf1e9adef4f9cfaa101c64ae6ebb279270e7c1 |
| SHA1 hash: | 635e88b95039c059cf88eb48955509f2605bec9b |
| MD5 hash: | 157017e519444296803ac581261f37b4 |
| humanhash: | lemon-april-oxygen-fillet |
| File name: | 66a8f1bba4215a2cf2998019488ab48385b8486d906d703f2e6899101d121397 |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 660'992 bytes |
| First seen: | 2020-11-11 11:36:18 UTC |
| Last seen: | 2020-11-12 14:33:09 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:XyWwt8LFmIrAC4d5hJMPhApXhwCshjdpKnUwXINSb/0XD/Sw:A8fF4FcIZgrIUSsT |
| Threatray | 10'893 similar samples on MalwareBazaar |
| TLSH | 99E402357A42BE8FCB6B9C76C4D43D800E50A967C712E24EBC9F129D628D65ACF015F2 |
| Reporter |  seifreed |
| Tags: | AgentTesla |
Intelligence
File Origin
# of uploads :
2
# of downloads :
56
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2020-11-09 06:50:49 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 10'883 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
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:
66a8f1bba4215a2cf2998019488ab48385b8486d906d703f2e6899101d121397
MD5 hash:
157017e519444296803ac581261f37b4
SHA1 hash:
635e88b95039c059cf88eb48955509f2605bec9b
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
SH256 hash:
8f552e5faab5b50cdea3af5401916e6570b6ccbe4cb10b6497566c14de36805a
MD5 hash:
83a96d73f804b68da0bc97f5b12d7753
SHA1 hash:
9d822d4742d855c3b1d36e037e581b8fd6c90138
Detections:
win_agent_tesla_w1
SH256 hash:
8acf4507ee8777c382cdf742c97f823bac9a598e3a4115e70a339007b37a8811
MD5 hash:
ef7e31be0ec04f2a9a4fbfdca3a2e88c
SHA1 hash:
bbbd4583934b87217052794483d39525965557f1
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: | AgentTesla_extracted_bin |
|---|---|
| Author: | James_inthe_box |
| Description: | AgentTesla extracted |
| Rule name: | AgentTesla_mod_tough_bin |
|---|---|
| Author: | James_inthe_box |
| Reference: | https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/ |
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | agent_tesla_2019 |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | MALWARE_Win_AgentTeslaV2 |
|---|---|
| Author: | ditekSHen |
| Description: | AgenetTesla Type 2 Keylogger payload |
| 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 |
| Rule name: | win_agent_tesla_w1 |
|---|---|
| Author: | govcert_ch |
| Description: | Detect Agent Tesla based on common .NET code sequences |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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