MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 84ca5338192be829c40e31b95df0ddd56a46341841ab1d3d65c548c39f383808. 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: 13
| SHA256 hash: | 84ca5338192be829c40e31b95df0ddd56a46341841ab1d3d65c548c39f383808 |
|---|---|
| SHA3-384 hash: | 61b38bc0683c4753ed241e309df5c8991858bef9fc01adf5ab29b64fef7e9cf580392e43b2924b4c7286e2bb8e243858 |
| SHA1 hash: | 1f7f596ca4def8e3573a4eaf87e4b9ecb8d4b6f9 |
| MD5 hash: | 9aec59b424896d32d67711f9eee5eead |
| humanhash: | summer-uniform-skylark-romeo |
| File name: | RFQ__363553435.PDF.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 738'304 bytes |
| First seen: | 2023-02-10 15:07:52 UTC |
| Last seen: | 2023-02-10 16:29:23 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 12288:FzumxS54yYaAaLauA515VQjNgbk1xxyW2wRQ1RZZFgxO3zVHzJ:FBWR2H53GpgQxy/w2fO+zJzJ |
| Threatray | 519 similar samples on MalwareBazaar |
| TLSH | T17EF4129735DA5715D66D627984CF4A7863E3AFDB2233C2893E9837C70D223B34D82648 |
| 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) |
| File icon (PE): |  |
| dhash icon | d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer) |
| Reporter |  lowmal3 |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
194
Origin country :
DEVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ__363553435.PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-02-10 15:10:24 UTC
Tags:
formbook xloader trojan stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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)
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
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 detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Casdet
Status:
Malicious
First seen:
2023-02-10 12:49:19 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
9
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 509 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:ub76 rat spyware stealer trojan
Behaviour
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
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
84ca5338192be829c40e31b95df0ddd56a46341841ab1d3d65c548c39f383808
MD5 hash:
9aec59b424896d32d67711f9eee5eead
SHA1 hash:
1f7f596ca4def8e3573a4eaf87e4b9ecb8d4b6f9
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
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
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