MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 05d567307393895ec32ac3ba2baade59a8a4bc95795fb15045c5c1b3569f95df. 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: | 05d567307393895ec32ac3ba2baade59a8a4bc95795fb15045c5c1b3569f95df |
|---|---|
| SHA3-384 hash: | ce53047114f74f43e810cc19471b0b962de86234fcaf01ea2fac7a2beb3f7f5aca147cb45036c5b7293c087ad483562d |
| SHA1 hash: | e927ce662e478d029a20c90b9d04226cf51b1b43 |
| MD5 hash: | e04955a11edd4011c3b7e304df78e098 |
| humanhash: | pizza-music-twelve-kilo |
| File name: | 2009222141373554_PDF.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 509'952 bytes |
| First seen: | 2020-10-09 06:34:35 UTC |
| Last seen: | 2020-10-09 08:02:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:gSi5Za+LXdkcmt21Ru6dT5WRYFn4A/udAKeS6vrAhT+eiB0E/88WMZTU:gSivlLmcmILdT5WCN4A/MANRb//WMZo |
| Threatray | 190 similar samples on MalwareBazaar |
| TLSH | 76B49C736842889DCE5A46704CB585F1F9760ECE3F97490E72DE730E2A31A47731A26E |
| Reporter |  abuse_ch |
| Tags: | ESP exe FormBook geo |
abuse_ch
Malspam distributing Formbook:HELO: vps.olmeda-il.co
Sending IP: 45.95.169.76
From: Ibercaja - Servicio Central de Mensajeria <Ibericaja_Mail@ibercaja.es>
Subject: Correspondencia IberCaja (REF. MAIL-2009222141373554)
Attachment: 2009222141373554_PDF.ISO (contains "2009222141373554_PDF.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
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
Unauthorized injection to a recently created process by context flags manipulation
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
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
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.Wacatac
Status:
Malicious
First seen:
2020-10-08 12:37:14 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 180 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.ingfathailand.com/rsu/
Unpacked files
SH256 hash:
05d567307393895ec32ac3ba2baade59a8a4bc95795fb15045c5c1b3569f95df
MD5 hash:
e04955a11edd4011c3b7e304df78e098
SHA1 hash:
e927ce662e478d029a20c90b9d04226cf51b1b43
SH256 hash:
89aa143c91d8cace96581d1ad1e4a67060238498168d9e412227019a838574a3
MD5 hash:
beadcc53a3524ce380a7b07b4da47d57
SHA1 hash:
7014b2381ef1ca0f0c8f1b0884315260dc73932f
SH256 hash:
19d9922060be89a70b76e5c0056e751f1baa5d41819235c92cf4f5d7668e1267
MD5 hash:
811864a0b06c529af894a7fec6ddbf47
SHA1 hash:
d35b82933eb06a6ec60e8cbbdb65eb6cdcaeb6d2
SH256 hash:
f8bee4108a324df32ad5a2ebafa6b7f411402a21e2598cf9db66486970f80fdd
MD5 hash:
a92da98ff6f5ae608503d074617bcc2a
SHA1 hash:
d3eafcccca011bb3a7a5ae52dd9704ceafcde472
SH256 hash:
d75bac073b7e40037bb02e30bfa66dfde876e1f91e0bbda29e8c2b3854b66263
MD5 hash:
046e878e4e27cba28fca8de49dc9da9f
SHA1 hash:
cfe0a5111574dc5125b10d12a92279dd4b8ce227
Detections:
win_formbook_g0
win_formbook_auto
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.
Malspam
Delivery method
Distributed via e-mail attachment
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