MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 41aa8f6b8a046cf8eabd3ff57a9554664a7acea1dcd39458eba27c40e2c3c452. 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: 15
| SHA256 hash: | 41aa8f6b8a046cf8eabd3ff57a9554664a7acea1dcd39458eba27c40e2c3c452 |
|---|---|
| SHA3-384 hash: | 63c5b3796e4e27669356af5f80251ea5e1e43acb43f16074c4c8e879a11f4e40b0a945c9d94442c7aae268eaac6a9e09 |
| SHA1 hash: | 58927540fc4a544540c1aebeb579b276c36cb1d5 |
| MD5 hash: | 3872ea073bd7cdc05a6c2892e2dd0a91 |
| humanhash: | beryllium-equal-nineteen-seven |
| File name: | İŞLEM ÖZETİ_524057699-1034 nolu TICAR_PDF.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'102'848 bytes |
| First seen: | 2024-06-13 10:12:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'647 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 24576:f5j2TMqgd2smSonoAiXLB/ugwrCnrGhbYmNsk4jWE:fh2HYzwroGhbBsk4jW |
| TLSH | T1853512A1B3FE1F25DA7C53F01560436407BAE85B50A0E21D0C8379DA3AA6F81D792F67 |
| 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 |  abuse_ch |
| Tags: | exe FormBook geo TUR |
Intelligence
File Origin
# of uploads :
1
# of downloads :
359
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
41aa8f6b8a046cf8eabd3ff57a9554664a7acea1dcd39458eba27c40e2c3c452.exe
Verdict:
Malicious activity
Analysis date:
2024-06-13 10:28:18 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Link:
Tags:
Banker Encryption Execution Static Trojan Nekark Dexter
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Adding an exclusion to Microsoft Defender
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:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Queues an APC in another process (thread injection)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses shutdown.exe to shutdown or reboot the system
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-06-12 10:23:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
8/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f3bd99145baf0d1eec3b5a200d7556313a6010a249a0425f177e20922f48da2b
MD5 hash:
9481f7ea2f458bedb3717e60686dfbb6
SHA1 hash:
c254c9dda4af75a9825b3091055d577de5ecbf58
Detections:
win_formbook_w0
win_formbook_g0
SH256 hash:
6c930aafb95d521a2f65142afb27527cb07492258b8e520b81388758b4ad066d
MD5 hash:
d50c22df5bc525ae86fbe034324165d1
SHA1 hash:
1427f5d6976f909e69e7655dd12bcf47e2711648
SH256 hash:
d67867ef93204c27c126a41fa778fcdbf89e34a3750014d8cc4a9394a1300d96
MD5 hash:
cfddc0c2c035e91ecc76782ff513e30a
SHA1 hash:
efd2f376cd2a3574240be6b03c563f42630a6ef7
SH256 hash:
1feba65bd2aa62dc3cad4b386b25e5a5922cfaaa4f0c1aecff536bf10f54dc12
MD5 hash:
21ca6aa79257797cfcf81faf284a9f89
SHA1 hash:
bb55c21f04bd9a0d6fbd40f7129ec68344bd524e
SH256 hash:
042d16f9ce6e1e377e58873960f1de18b5ae68bc4151d193b3ab4d1a24c46e8a
MD5 hash:
24411aed0e849c31864ed327d1c6e213
SHA1 hash:
684fa2f193fc42834c7cc70fca315f86a983f4f3
SH256 hash:
41aa8f6b8a046cf8eabd3ff57a9554664a7acea1dcd39458eba27c40e2c3c452
MD5 hash:
3872ea073bd7cdc05a6c2892e2dd0a91
SHA1 hash:
58927540fc4a544540c1aebeb579b276c36cb1d5
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: | AgentTesla_DIFF_Common_Strings_01 |
|---|---|
| Author: | schmidtsz |
| Description: | Identify partial Agent Tesla strings |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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.
No further information available
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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