MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8b8d1eeb091a02dfc6019fc94feaef08287385ab9cecb1e05cd613344be8cd35. 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: | 8b8d1eeb091a02dfc6019fc94feaef08287385ab9cecb1e05cd613344be8cd35 |
|---|---|
| SHA3-384 hash: | a2cc0618d48f726529e115dbf6a240cf6da73eadf2324af74ee325d88b85c50f6ed416218e4a4217ab08301ac3c36904 |
| SHA1 hash: | fc27a602976f553985e053e89c91bfa217e685cb |
| MD5 hash: | bf1d64bea29e43b8a75708b26ea268d1 |
| humanhash: | eleven-stairway-glucose-winner |
| File name: | bf1d64bea29e43b8a75708b26ea268d1 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 605'184 bytes |
| First seen: | 2023-07-31 10:28:55 UTC |
| Last seen: | 2023-07-31 11:50:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:t9Qn5f7L/EyN4wcC5+RGQZUc7tZ/e8bfGHmw7KMNa3jlNJm7PH/:LYJLuBw+BCcveVHmwKwUdg// |
| Threatray | 9 similar samples on MalwareBazaar |
| TLSH | T15CD41288AD69AA57D83900FC641C0049D7B6C9B6DB13FBB7CD8D64FA2DC3B55CA0A053 |
| TrID | 40.9% (.EXE) Win64 Executable (generic) (10523/12/4) 19.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.0% (.EXE) Win16/32 Executable Delphi generic (2072/23) 8.0% (.ICL) Windows Icons Library (generic) (2059/9) 7.8% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  zbetcheckin |
| Tags: | 64 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
311
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
bf1d64bea29e43b8a75708b26ea268d1
Verdict:
Malicious activity
Analysis date:
2023-07-31 10:31:20 UTC
Tags:
formbook xloader stealer spyware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Sending a custom TCP request
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed packed
Verdict:
Malicious
Labled as:
MSIL/GenKryptik_AGeneric.ADS trojan
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
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.Swotter
Status:
Malicious
First seen:
2023-07-31 10:29:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:s27k rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
8b8d1eeb091a02dfc6019fc94feaef08287385ab9cecb1e05cd613344be8cd35
MD5 hash:
bf1d64bea29e43b8a75708b26ea268d1
SHA1 hash:
fc27a602976f553985e053e89c91bfa217e685cb
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
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_Fody |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables manipulated with Fody |
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
Comments
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