MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 39904c5d67aebdeb68b5bc799559dda7fe7bd9db166fd8dc72e7e4c0ce5d6491. 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: | 39904c5d67aebdeb68b5bc799559dda7fe7bd9db166fd8dc72e7e4c0ce5d6491 |
|---|---|
| SHA3-384 hash: | 12550a2662c43f91b4665934166864fab3eb6b7dc7d24f02aa451d1d8cea472b551d09494f45255df8031d4ea527d6c3 |
| SHA1 hash: | a4c7bcc8d9bc5f4297d9fc53f33aa1e9b2eb4e15 |
| MD5 hash: | 26fca8a736e17f2665b613e1686d4dfc |
| humanhash: | coffee-pennsylvania-wyoming-sweet |
| File name: | 39904c5d67aebdeb68b5bc799559dda7fe7bd9db166fd8dc72e7e4c0ce5d6491 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 185'856 bytes |
| First seen: | 2024-04-03 12:56:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 3072:iPlfxikQCGvR5XR3If1+WN6W5qLirYgq/V9lOK1OEHKTAVeZsKGOSUh:LCENIthN6W5qecXd9NOgKxqJOSi |
| Threatray | 1'199 similar samples on MalwareBazaar |
| TLSH | T1A004AF32D641C435F2B202B4B6BD1BBB483E0D353694A0AAA3F116E16EB45E5F53970F |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
302
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
39904c5d67aebdeb68b5bc799559dda7fe7bd9db166fd8dc72e7e4c0ce5d6491.exe
Verdict:
No threats detected
Analysis date:
2024-04-03 13:32:49 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
config-extracted formbook formbook packed
Verdict:
Malicious
Labled as:
Lazy.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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2024-04-03 12:57:07 UTC
File Type:
PE (Exe)
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 1'189 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:ns03 rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Unpacked files
SH256 hash:
39904c5d67aebdeb68b5bc799559dda7fe7bd9db166fd8dc72e7e4c0ce5d6491
MD5 hash:
26fca8a736e17f2665b613e1686d4dfc
SHA1 hash:
a4c7bcc8d9bc5f4297d9fc53f33aa1e9b2eb4e15
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
Formbook
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: | Formbook |
|---|---|
| Author: | kevoreilly |
| Description: | Formbook Payload |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/formbook-adopts-cab-less-approach |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
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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