MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99f63c91997f38c8ae3816303a4849277863aa91f5e0b268d9989ad877e83deb. 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: | 99f63c91997f38c8ae3816303a4849277863aa91f5e0b268d9989ad877e83deb |
|---|---|
| SHA3-384 hash: | c3cecaaba9a2a04e41b5fd2bd26024a738971347c50ae21084c186c3e35dc5ef79bf284ae20534f802e52bd10e4dbd8b |
| SHA1 hash: | 9bd5756fe2dc423d657b2b62e9b0890b52bf92f6 |
| MD5 hash: | 22035670a6f0e1f2cad7bf0662a1b5da |
| humanhash: | steak-paris-violet-florida |
| File name: | Hesap Hareketleri 11-07-2023pdf.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 810'048 bytes |
| First seen: | 2023-07-12 06:48:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:23mDSXlAL7wFRmC6181evMaIO05k2xIKq9yQ:emDS6L7ARmPvf05k2vKyQ |
| Threatray | 4'773 similar samples on MalwareBazaar |
| TLSH | T1D005230A37868325DD2803B1F0F3535806B3D353A873E6473E8886D25F63759DB69B6A |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe geo TUR |
Intelligence
File Origin
# of uploads :
1
# of downloads :
262
Origin country :
NLVendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Hesap Hareketleri 11-07-2023pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-12 06:54:22 UTC
Tags:
agenttesla stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Creating a window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
overlay packed
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.
Malware family:
Agent Tesla
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
May check the online IP address of the machine
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-07-11 07:10:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 4'763 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1084897738958843984/yxXVxIViPDg7kf5HGR2i3KMIuvrSkqOXhOz45xzzJkay0UJIs_GVQuDipvA_avU7p9vG
Unpacked files
SH256 hash:
f83ac7a1cd8e475cd460f21f626d087994bfcb5d1057e960f48563ba022e26a6
MD5 hash:
dc0bd585aabdc29ba1a63119965f5485
SHA1 hash:
cbde752aa1729e62fea158ed90937e14c7e80a81
SH256 hash:
e70593a74b2157d9d656f4402c30eb1dfa774ed4211779f1999bd7f15cd82535
MD5 hash:
08b796ca0992a5020fbad7847e399e4d
SHA1 hash:
2353d4b187c471143dd089e73bf3f1e89e59ebb4
Detections:
AgentTeslaXorStringsNet
SH256 hash:
99f63c91997f38c8ae3816303a4849277863aa91f5e0b268d9989ad877e83deb
MD5 hash:
22035670a6f0e1f2cad7bf0662a1b5da
SHA1 hash:
9bd5756fe2dc423d657b2b62e9b0890b52bf92f6
Malware family:
AgentTesla
Verdict:
Malicious
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: | AgentTeslaV4 |
|---|---|
| Author: | Rony (r0ny_123) |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| 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_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| 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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