MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7ff31ce369f71f183974499cd71f93c3c53384220eca8879e443aad76b3a04da. 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: | 7ff31ce369f71f183974499cd71f93c3c53384220eca8879e443aad76b3a04da |
|---|---|
| SHA3-384 hash: | 90fad3570419c18cdfae19abb80343ab9f6e95a1793a63f5420799e28df5be39e8334128c883bbb0e7e92584215b7cf1 |
| SHA1 hash: | 8c296f8ad0bd4f8a7356c01bc361fec9e488f9e7 |
| MD5 hash: | a700c29af4ef15dea9081384766e41ea |
| humanhash: | vegan-ack-ink-golf |
| File name: | file |
| Download: | download sample |
| Signature | Formbook |
| File size: | 637'952 bytes |
| First seen: | 2022-11-25 15:02:52 UTC |
| Last seen: | 2022-11-25 16:42:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:V9LLpcztNk41LsnOf6Zu5BiKh9rJJUujc4KKuWNIcFDYVr4:ytlMKihQj |
| Threatray | 383 similar samples on MalwareBazaar |
| TLSH | T17CD42A2839AA500DB3729E656BFC75B6C15EF6F226364C7B09F7020621139F0DB9C53A |
| TrID | 56.5% (.EXE) Win64 Executable (generic) (10523/12/4) 11.0% (.ICL) Windows Icons Library (generic) (2059/9) 10.9% (.EXE) OS/2 Executable (generic) (2029/13) 10.7% (.EXE) Generic Win/DOS Executable (2002/3) 10.7% (.EXE) DOS Executable Generic (2000/1) |
| File icon (PE): |  |
| dhash icon | 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla) |
| Reporter |  jstrosch |
| Tags: | .NET exe FormBook MSIL X64 |
Intelligence
File Origin
# of uploads :
2
# of downloads :
499
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2022-11-25 15:07:26 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
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
regsvcs.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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-11-25 15:03:11 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 373 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:tu7g rat spyware stealer 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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7ff31ce369f71f183974499cd71f93c3c53384220eca8879e443aad76b3a04da
MD5 hash:
a700c29af4ef15dea9081384766e41ea
SHA1 hash:
8c296f8ad0bd4f8a7356c01bc361fec9e488f9e7
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
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: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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