MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91a7a9da0f5b9adfa5b7f1b3a296b3ad453c00b050a18b3ddd99f693d4962be3. 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: 18
| SHA256 hash: | 91a7a9da0f5b9adfa5b7f1b3a296b3ad453c00b050a18b3ddd99f693d4962be3 |
|---|---|
| SHA3-384 hash: | 1c6b330f9f41be37007b29082856cccea0b2c4ede5041e97200c1232736e71b1007aeede3c02e1900528fc97eb890b00 |
| SHA1 hash: | 8af9d66439000c5a680dba3c0e25e5e542c81d08 |
| MD5 hash: | dd2041b7c37631c7d6bfc90794584ab4 |
| humanhash: | glucose-lion-missouri-papa |
| File name: | F10623.pdf.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 316'440 bytes |
| First seen: | 2023-06-05 13:18:00 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:FYa6DoDBPTVQopHqq0ck+F+Mw1r3DfbgZnvY3D4IJEBHQ:FYSDRTNh0cN6PsVvAJEBw |
| Threatray | 4'402 similar samples on MalwareBazaar |
| TLSH | T1F9641349BB62C4EFD072473208743B9A7FF6F111B5D0B2876B908B45B6725A0DE09B63 |
| 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 | 48d4f4f0f0f0d8c0 (37 x RedLineStealer, 18 x AgentTesla, 9 x SnakeKeylogger) |
| Reporter |  James_inthe_box |
| Tags: | AgentTesla exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
245
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
F10623.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-05 13:20:45 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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, NSISDropper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-05 03:52:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 36 (66.67%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 4'392 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
f0cbab6a7373bbbd80aca657337aea3c788d114bd5787be9c5a71755759abe39
MD5 hash:
acef3e2813b05adf5589572150972820
SHA1 hash:
a430a7e5ebd9dff32b230e55efb4619e1e4a5ad3
Detections:
AgentTeslaXorStringsNet
SH256 hash:
979c5f165fd8a6c7b3868a36e0e84669aceac71a5f7e56ee8d535b328aa50135
MD5 hash:
e8449af1782106e142475ad67c34c1ac
SHA1 hash:
4d9e86ce6f80c64dd79fa1b308f3f21f311a39a9
SH256 hash:
42687857831cce3c1a05ee21843575c92582cfb8cc70af8c50eedb7a6a5c9431
MD5 hash:
d4235e6209686e27dbccdf8ca1240b11
SHA1 hash:
b70e1dfee7139709e574e892e0f00c73259f1eff
SH256 hash:
91a7a9da0f5b9adfa5b7f1b3a296b3ad453c00b050a18b3ddd99f693d4962be3
MD5 hash:
dd2041b7c37631c7d6bfc90794584ab4
SHA1 hash:
8af9d66439000c5a680dba3c0e25e5e542c81d08
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | MSIL_SUSP_OBFUSC_XorStringsNet |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects XorStringsNET string encryption, and other obfuscators derived from it |
| Reference: | https://github.com/dr4k0nia/yara-rules |
| Rule name: | msil_susp_obf_xorstringsnet |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects XorStringsNET string encryption, and other obfuscators derived from it |
| 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.
Delivery method
Other
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.