MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cfe669ff40d1958d9566346fb1875fd88f910a4e8cdde92de5ade9a5e9b08f02. 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: 17
| SHA256 hash: | cfe669ff40d1958d9566346fb1875fd88f910a4e8cdde92de5ade9a5e9b08f02 |
|---|---|
| SHA3-384 hash: | 535f86c6705020e3ec939c4ad2d5aefa10094e7c82fda1b7478564dc44e7825e4e879d07257ee95a11f85d5baf4dffb2 |
| SHA1 hash: | 7e57a316d051a2c560783e59bb7d5ebe658380f4 |
| MD5 hash: | acb0acfc7c97d9cdbe9bcd8deccc2113 |
| humanhash: | early-bluebird-south-spaghetti |
| File name: | Remittance Advice.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 600'576 bytes |
| First seen: | 2024-06-19 09:44:46 UTC |
| Last seen: | 2024-06-19 10:23:50 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger) |
| ssdeep | 12288:fYV6MorX7qzuC3QHO9FQVHPF51jgcQjA71nXExRjnpM7B:sBXu9HGaVHLBXExNqF |
| Threatray | 184 similar samples on MalwareBazaar |
| TLSH | T1E9D422C54ED1DCAAC4A233B6C5338C401572B871CBD83B598389F51EB879B8398575AF |
| TrID | 31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6) 30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 12.1% (.EXE) Win64 Executable (generic) (10523/12/4) 7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.8% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla) |
| Reporter |  threatcat_ch |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
370
Origin country :
CHVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
cfe669ff40d1958d9566346fb1875fd88f910a4e8cdde92de5ade9a5e9b08f02.exe
Verdict:
Malicious activity
Analysis date:
2024-06-19 09:45:59 UTC
Tags:
evasion smtp agenttesla stealer exfiltration
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Link:
Tags:
Generic Network Agent Tesla
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.Generic
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.
Verdict:
Unknown
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-06-18 09:40:52 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
21 of 24 (87.50%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Similar samples:
+ 174 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
AutoIT Executable
Suspicious use of SetThreadContext
Looks up external IP address via web service
UPX packed file
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
bea706b3e17a286168ab03796328f8c5a31c1523950cf0f3f108e897c86fcae4
MD5 hash:
6e2883ec6182cc29dd04409ce9f612f4
SHA1 hash:
e5625f588b57d0c5af588b9cb0826afabffabb57
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:
4f18b55e8e2a843388247055b886f8ce3d1d8e836a72b6b9554bf0d6d8572f34
MD5 hash:
230e218f673dbf954c9fd57fd96d8617
SHA1 hash:
e340501f0c8262b67f964ba40ebb89fe84504a5c
Detections:
AutoIT_Compiled
SH256 hash:
cfe669ff40d1958d9566346fb1875fd88f910a4e8cdde92de5ade9a5e9b08f02
MD5 hash:
acb0acfc7c97d9cdbe9bcd8deccc2113
SHA1 hash:
7e57a316d051a2c560783e59bb7d5ebe658380f4
Detections:
SUSP_Imphash_Mar23_3
Malware family:
AgentTesla
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | AgentTeslaV5 |
|---|---|
| Author: | ClaudioWayne |
| Description: | AgentTeslaV5 infostealer payload |
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| 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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_Imphash_Mar23_3 |
|---|---|
| Author: | Arnim Rupp (https://github.com/ruppde) |
| Description: | Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits |
| Reference: | Internal Research |
| Rule name: | UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser |
|---|---|
| Author: | malware-lu |
| Rule name: | Windows_Generic_Threat_9f4a80b2 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_AgentTesla_ebf431a8 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| AUTH_API | Manipulates User Authorization | ADVAPI32.dll::GetAce |
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::timeGetTime |
| WIN_BASE_API | Uses Win Base API | KERNEL32.DLL::LoadLibraryA |
| WIN_NETWORK_API | Supports Windows Networking | MPR.dll::WNetUseConnectionW |
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