MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c971d8ddd27af4e2b0e476a24e40e6422ced3b862499b8692b3a869e035905b9. 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: 12
| SHA256 hash: | c971d8ddd27af4e2b0e476a24e40e6422ced3b862499b8692b3a869e035905b9 |
|---|---|
| SHA3-384 hash: | 3df5fbac376f5ff1525a0c0e9d524a2e36b3bcaa50ef8c9a35e02e454da2efa04473ae2e21cacf56cf4cba921823a2c4 |
| SHA1 hash: | c37cad780a7271c4b16fa254c9f915e425dfbdb8 |
| MD5 hash: | 6706163be8265d3f1d2542d710d29ad9 |
| humanhash: | alaska-colorado-bacon-violet |
| File name: | INQ#876567_AWBMATERIAL_TCW_tresnds_inc_PDF.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 496'416 bytes |
| First seen: | 2023-12-13 11:55:21 UTC |
| Last seen: | 2023-12-13 13:24:50 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 12288:AYGvkSaFMOHJU0EQ2C2wrAQMYHa5/+o7Uied75eHdt:AYGvQRpiRYAQbHap+w1eJw/ |
| Threatray | 1'787 similar samples on MalwareBazaar |
| TLSH | T1BDB423151A90E86BDA438E701EBD67E39F63E1118CB48A0B17506FAEBC717807B5EB50 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe signed |
Code Signing Certificate
| Organisation: | Spands |
|---|---|
| Issuer: | Spands |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-05-11T23:13:29Z |
| Valid to: | 2026-05-10T23:13:29Z |
| Serial number: | 3b7c3eb95147977f868bf79bcd339babe0a5b4f1 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | f52188a494bb415a956fadde1efec7afe01ed86e361148bfa8fa0b881cc2758d |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
319
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Creating a process from a recently created file
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
installer masquerade overlay packed
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.
Verdict:
Malicious
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Suspicious powershell command line found
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)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-12-13 01:40:13 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 1'777 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Guloader,Cloudeye
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1183395967563747379/uiR-L8sCPAbmIk762kRjA9KmM-l1_wr48uBrF5rgQJmviD0L7w1EJt85eDdGByNRZnXH
Unpacked files
SH256 hash:
c971d8ddd27af4e2b0e476a24e40e6422ced3b862499b8692b3a869e035905b9
MD5 hash:
6706163be8265d3f1d2542d710d29ad9
SHA1 hash:
c37cad780a7271c4b16fa254c9f915e425dfbdb8
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: | 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_DiscordURL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables Discord URL observed in first stage droppers |
| 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_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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
Delivery method
Distributed via e-mail attachment
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