MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8c957f9a2e336ad409d493d67bb72a4f56d9abc4b7cf7cd2f998d60fb34b583. 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: 15
| SHA256 hash: | b8c957f9a2e336ad409d493d67bb72a4f56d9abc4b7cf7cd2f998d60fb34b583 |
|---|---|
| SHA3-384 hash: | 36a2dd1ee26463f4ab2d801e4dd53ee08f0f9ae6f782267618ca9fc45d21371438b6f05bee7c995e01585735d8476145 |
| SHA1 hash: | 864d9815c04f3f50b10e58c8a3dfe9f83a3bfea9 |
| MD5 hash: | 1d20f81887bbb46210347844d6edbc48 |
| humanhash: | angel-oklahoma-princess-ohio |
| File name: | SecuriteInfo.com.Win32.PWSX-gen.25512.15994 |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 642'048 bytes |
| First seen: | 2024-01-22 03:33:53 UTC |
| Last seen: | 2024-01-22 09:42:52 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:uaV+1nvUhPmg5EhzYLs4JAhrwaHu3dcq8u70yuZBkce70:BmnMp5UYLbAhcaNu70lfe |
| Threatray | 4'845 similar samples on MalwareBazaar |
| TLSH | T1FCD4220D73FC8F92E4B487F84A2224605BB67636A991F7C81CC725CB1025F895EC1E87 |
| TrID | 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 48485878e0e46c6c (9 x AgentTesla, 1 x AveMariaRAT, 1 x Formbook) |
| Reporter |  SecuriteInfoCom |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
4
# of downloads :
429
Origin country :
FRVendor Threat Intelligence
Detection:
AgentTesla
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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.
Malware family:
Agent Tesla
Verdict:
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
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-01-22 01:44:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 23 (82.61%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 4'835 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
7c40b039e3f3102cc80d3f4412ac4005239199dd9068876b64ebab1b5e65ec0d
MD5 hash:
a522ef9dc1bc8dc5ef5fac4edca6a832
SHA1 hash:
95052b2761b3f0f13b858a4e388d0044da0d05d1
Detections:
AgentTesla
win_agent_tesla_g2
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Agenttesla_type2
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
83db7942ae685176d0f7363b96c3c3520cf16f8baf5663982be5572246cb2882
MD5 hash:
88de26185ee9feff5ea3fb2c73b61247
SHA1 hash:
59cc214111a5fb2a8e7e49aae5dcbedb04fa3c0c
SH256 hash:
d3bcd31629a043254c407c3dffac3a46905f7d57c5c5a994d2d1e7b9a6691dde
MD5 hash:
22cee59915abfc9d51460747f89d7b7e
SHA1 hash:
3aef13d58528f1d0b1c068d8365868caf3b685a6
SH256 hash:
47e0f14a446c450b8c0312ea5170dcae8a1db9df0864b8f4ade5abad8559b0f4
MD5 hash:
cd5c97bc2e3d8a3a41b687cf4324dffa
SHA1 hash:
115ce55cd702e518b7a1410feb0c3ad674ad35cf
SH256 hash:
b8c957f9a2e336ad409d493d67bb72a4f56d9abc4b7cf7cd2f998d60fb34b583
MD5 hash:
1d20f81887bbb46210347844d6edbc48
SHA1 hash:
864d9815c04f3f50b10e58c8a3dfe9f83a3bfea9
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Windows vault credential objects. Observed in infostealers |
| Rule name: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Windows_Trojan_AgentTesla_ebf431a8 |
|---|---|
| Author: | Elastic Security |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.