MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b98429d0910af088452746a40124e498aa3c943ce450012c770c990788f7fc89. 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: 10
| SHA256 hash: | b98429d0910af088452746a40124e498aa3c943ce450012c770c990788f7fc89 |
|---|---|
| SHA3-384 hash: | 95cad7a53be268da69b16e22b99e9b487964219a14f6e4a1751e59110dd32da16f39d732a4476ae2863593005f2deec6 |
| SHA1 hash: | 1b615d268159e18f518153cc742b772e7d0402dc |
| MD5 hash: | 733f49adecf3d0fd0dd2677665b0c369 |
| humanhash: | coffee-tango-oregon-violet |
| File name: | 733f49adecf3d0fd0dd2677665b0c369 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 378'880 bytes |
| First seen: | 2021-08-12 08:15:34 UTC |
| Last seen: | 2021-08-12 10:55:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 6144:cqEbugMZb8hOhInFPn7Exq/vuOWABq9VyichGH4GxV5HNG:ZEJGbSOht9OLBqZH4gVm |
| Threatray | 6'911 similar samples on MalwareBazaar |
| TLSH | T12884E04A16C242B5D1988E71B7FD62F842F0A73B9211F76F6D4452E4CF2270E9A076B3 |
| dhash icon | fcdec2c6c6d0d8f8 (8 x AgentTesla, 3 x Formbook) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
733f49adecf3d0fd0dd2677665b0c369
Verdict:
Malicious activity
Analysis date:
2021-08-12 08:17:25 UTC
Tags:
n/a
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
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Sending a UDP request
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-12 08:01:59 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 6'901 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:dd2v rat spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fortmyerscruisevacation.com/dd2v/
Unpacked files
SH256 hash:
b98429d0910af088452746a40124e498aa3c943ce450012c770c990788f7fc89
MD5 hash:
733f49adecf3d0fd0dd2677665b0c369
SHA1 hash:
1b615d268159e18f518153cc742b772e7d0402dc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
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: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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.
Web download
Delivery method
Distributed via web download
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