MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758. 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: 9
| SHA256 hash: | cb1b1d99cbf6d7bb1a30ec1c7ee31c36b8e19230751046688ad1a14b2fec4758 |
|---|---|
| SHA3-384 hash: | 2a3f9683d5d79ceb90ad0dd3921f1146cb0d886853856f2d88b353f38a87410b5ecf3c60afb55b874260200222ca2bdf |
| SHA1 hash: | 83fe695a745fe1a0f81cf1ec71cde74a9d4b424d |
| MD5 hash: | 9cabc06c47b82704fd1b7f2bc179a3a8 |
| humanhash: | angel-july-pizza-july |
| File name: | PDFSLP232.exe |
| Download: | download sample |
| Signature | FormBook |
| File size: | 702'464 bytes |
| First seen: | 2020-09-21 11:15:00 UTC |
| Last seen: | 2020-09-21 11:53:49 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:dl0++rKR6dSkULoqZ/b+sVUaGMUgdiSMa4Nk:dl0RrW6qtbuc4Nk |
| Threatray | 2'270 similar samples on MalwareBazaar |
| TLSH | 74E46B0932602787F0681BB486697D75C3A018787691D7D8BB9772BFA9E1BD13C3270B |
| Reporter |  JAMESWT_WT |
| Tags: | FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-21 11:10:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'260 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.regulars6.com/3iw/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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