MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f303624986bcad8a2b4dcf857b5fc82f54c933082c0849dd633e9c1651afde98. 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
Formbook
Vendor detections: 17
| SHA256 hash: | f303624986bcad8a2b4dcf857b5fc82f54c933082c0849dd633e9c1651afde98 |
|---|---|
| SHA3-384 hash: | 00e5133cb53ad19228e5b8625bf478bcf1206586addf899367b448a82b6a5655332b5ea8fb538d8e45a1f22593426574 |
| SHA1 hash: | 0fd9b3ec5d55916890ce35e8dd47cb6b919576dc |
| MD5 hash: | 523007bc2f106dabe9057f0096aa53c3 |
| humanhash: | single-violet-black-kansas |
| File name: | PO82107048.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 736'264 bytes |
| First seen: | 2024-06-03 12:22:59 UTC |
| Last seen: | 2024-06-03 19:44:03 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:JKqKt/rFfabVtOQvNHMF5iH7cawlJTDGk94h6gXjc6RGc5aJzhkZ+kR:MqKN5ibCQvRG5iH7caMDGgujTR5aJzh+ |
| TLSH | T122F4231137E83B50CBBD87B428689011AB75B62734B9D79D1CE1F0DD1DB1B028A2A79F |
| 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) (4504/4/1) |
| Reporter |  TeamDreier |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
4
# of downloads :
337
Origin country :
DKVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f303624986bcad8a2b4dcf857b5fc82f54c933082c0849dd633e9c1651afde98.exe
Verdict:
Malicious activity
Analysis date:
2024-06-03 12:25:36 UTC
Tags:
evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
Tags:
Encryption Network Static Gensteal
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
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.
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
AI detected suspicious sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Score:
92%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-06-03 09:35:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
21 of 24 (87.50%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla_v4
agenttesla
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
54892a2ad8bf464501e0f825a114b6519212c52586f18025fa7f7b5abb7df3a9
MD5 hash:
516b95a2508a195dcfd17a41016ccead
SHA1 hash:
e50a8ebffd689a4fd76a5aab73819b454ccd56f4
SH256 hash:
9c89c638474b30f8a01bcfc32fba3e2f4ee3b4450d9d89f10f070c9d1aa3b6f6
MD5 hash:
713722af254ec1e0e26cafdf31d59f7e
SHA1 hash:
94321fd51b6914f0cb50b4a552dadfb92401c66b
SH256 hash:
6280fb6b0488e5727f70ca62b7a7b1fe0ba9a91845d1fc34c8ab5439aee500c3
MD5 hash:
5221c37fcfa4070fef770c0d28ea29f5
SHA1 hash:
41d2bc74ea34a124f92ed673bbf84d90f75bd10d
Detections:
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_SUSPICIOUS_EXE_SandboxHookingDLL
INDICATOR_EXE_Packed_GEN01
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
55729815a6ad44739f2af0c7a7096f4153fcc109d440f23d0d609065e96b625e
MD5 hash:
82a8fdab718d8d9c1c82472293a72e3d
SHA1 hash:
042c0d08baf858128d32c01476380e142891456e
SH256 hash:
f303624986bcad8a2b4dcf857b5fc82f54c933082c0849dd633e9c1651afde98
MD5 hash:
523007bc2f106dabe9057f0096aa53c3
SHA1 hash:
0fd9b3ec5d55916890ce35e8dd47cb6b919576dc
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| 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
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 |
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