MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4fe26ebfc5412205231040de3bf8f865da141f2c9c5c2c809e4bf6ceced43e55. 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: 12
| SHA256 hash: | 4fe26ebfc5412205231040de3bf8f865da141f2c9c5c2c809e4bf6ceced43e55 |
|---|---|
| SHA3-384 hash: | 0b27409b2a29c9928430cf8d114eebe7045a2307422c642938c20cfc165bcfbc8b874f6d0584389dc735c6fef7535d35 |
| SHA1 hash: | e784bfd8f5f4514569205bb535ed8bc36ab47f28 |
| MD5 hash: | fa6cb9677ff2254615166747668a72ed |
| humanhash: | three-whiskey-monkey-nineteen |
| File name: | triage_dropped_file |
| Download: | download sample |
| Signature | Formbook |
| File size: | 817'664 bytes |
| First seen: | 2022-05-30 13:09:05 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:m/lw5ct3GObyKfhgbxApXENWUuzvKDt3gDipRTKeW:m/l8kNpgapC3sxkTd |
| Threatray | 11'912 similar samples on MalwareBazaar |
| TLSH | T137058E44B689DEA6D90B1170C866D1F21A14AC7AC641A10F39DCBF7FF6B378D100D9AB |
| TrID | 48.7% (.EXE) Win64 Executable (generic) (10523/12/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | f0c4824ccecef4f8 (7 x AsyncRAT, 5 x XWorm, 3 x Formbook) |
| Reporter |  malwarelabnet |
| Tags: | exe FormBook xloader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
triage_dropped_file
Verdict:
No threats detected
Analysis date:
2022-05-30 13:17:29 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Launching a process
Creating a file
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-05-30 13:10:11 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
161
AV detection:
18 of 26 (69.23%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 11'902 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader campaign:be4o loader persistence rat spyware stealer suricata trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
4fe26ebfc5412205231040de3bf8f865da141f2c9c5c2c809e4bf6ceced43e55
MD5 hash:
fa6cb9677ff2254615166747668a72ed
SHA1 hash:
e784bfd8f5f4514569205bb535ed8bc36ab47f28
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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