MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e85f434810652692f3e0a0738d9156899afcbd2bed42a6f328f0092d72a1db34. 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: | e85f434810652692f3e0a0738d9156899afcbd2bed42a6f328f0092d72a1db34 |
|---|---|
| SHA3-384 hash: | 9cce0b541727e91354a1c52ac6ea7fc046cec0c1a9d1ab68f770a88cb95ab6452dc548d1d5cee9fab0a2b5436cbc69a0 |
| SHA1 hash: | 8d257bb18da41104a4cf124c00237d2e59f041ef |
| MD5 hash: | 29448f6e9842a673aa77502015df4f0b |
| humanhash: | louisiana-alaska-artist-saturn |
| File name: | 29448f6e9842a673aa77502015df4f0b.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 423'424 bytes |
| First seen: | 2020-10-05 11:08:14 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 12288:VD4fqRBdy4r3XyMb6U0the+KCBY5RXzRMMEK:1fdNXPm5eXa2WM |
| Threatray | 3'524 similar samples on MalwareBazaar |
| TLSH | 64948D61E443845CC97B47F2626781F0F5BA06C6FA814E0E72DAB3381D07A5F6B1E16B |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-05 07:01:32 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'514 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
Gathers network information
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.smartlinetech.com/r2y/
Unpacked files
SH256 hash:
e85f434810652692f3e0a0738d9156899afcbd2bed42a6f328f0092d72a1db34
MD5 hash:
29448f6e9842a673aa77502015df4f0b
SHA1 hash:
8d257bb18da41104a4cf124c00237d2e59f041ef
SH256 hash:
b80155dbd80f8bc5d3f59e08df47aefa42e73612aac6e8845fad3cae516cbdb0
MD5 hash:
0478256ba4237f2e33b77f8127d9a145
SHA1 hash:
560f2cd098bd81c18174d980652b28a8c90c48e2
SH256 hash:
d065744c83c37b059fd345011b6c21297a5de8bc5ebbc93f05add6315bee770a
MD5 hash:
17d8bbf85363bf3ca0f6b4d0154dfeb7
SHA1 hash:
6295dcb6bfd8907d47b3db14d0d4b230c4f07186
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
SH256 hash:
2f6e4c043d0a126fdce62eb0342650cd5f40622460b80409290d98205f776cbb
MD5 hash:
1ec23c6a2b16aadca3b9cc385bff37cc
SHA1 hash:
61537d3efb37861724a435214c216ce81b44b78d
Detections:
win_formbook_g0
win_formbook_auto
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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