MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b86191b306e78dbdfa7128624b5e0117046832d61294c1367e9d1d22cf070aca. 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: 14
| SHA256 hash: | b86191b306e78dbdfa7128624b5e0117046832d61294c1367e9d1d22cf070aca |
|---|---|
| SHA3-384 hash: | 9e606f07c278629ef3ca41f853ddb78ec11d1fad78c259a98e77f99da316c18113e3c9bfb678c4b606f649493c4ce2c2 |
| SHA1 hash: | 5b2231500e9e6d464c80b58d2dde1e8e899a99c0 |
| MD5 hash: | 2c2da3e818661908019ab6b3fca807fe |
| humanhash: | colorado-seven-wolfram-steak |
| File name: | Payment_Advice Pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 2'928'765 bytes |
| First seen: | 2024-07-17 08:45:07 UTC |
| Last seen: | 2024-07-24 20:44:43 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:JCJeRZIE63uD6592Ew/EA1gdfemVd2063E74cxMTpOWStO/+lbRSWYPMnQ6s:953Ew/EA1gdmmVBs8ypoc/+lboWYPB6s |
| Threatray | 185 similar samples on MalwareBazaar |
| TLSH | T168D52356B953AE8FFD411976C6C272F702FE6D2331F4860FDF499D2919219BD02222B4 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  threatcat_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
386
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_Advice Pdf.arj
Verdict:
No threats detected
Analysis date:
2024-07-15 14:26:07 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%
Tags:
Encryption Malware
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade overlay
Verdict:
Malicious
Labled as:
Trojan.GenericFCA.Agent
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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2024-07-15 12:09:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 175 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b86191b306e78dbdfa7128624b5e0117046832d61294c1367e9d1d22cf070aca
MD5 hash:
2c2da3e818661908019ab6b3fca807fe
SHA1 hash:
5b2231500e9e6d464c80b58d2dde1e8e899a99c0
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.89
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: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
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 (GUARD_CF) | high |
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.